Malware Analysis Report

2025-04-13 10:39

Sample ID 221229-pkgjnsda54
Target aad7787a0a697a883ada1a7e82ca9050.exe
SHA256 40d054629a498bc0d0d9f21d241d719da13b6d873aa6ad1dcb7ef95c3170d620
Tags
nymaim discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

40d054629a498bc0d0d9f21d241d719da13b6d873aa6ad1dcb7ef95c3170d620

Threat Level: Known bad

The file aad7787a0a697a883ada1a7e82ca9050.exe was found to be: Known bad.

Malicious Activity Summary

nymaim discovery trojan

NyMaim

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Checks installed software on the system

Drops file in Program Files directory

Enumerates physical storage devices

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-12-29 12:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-29 12:23

Reported

2022-12-29 12:25

Platform

win7-20220812-en

Max time kernel

60s

Max time network

62s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe"

Signatures

NyMaim

trojan nymaim

Checks installed software on the system

discovery

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Split Files\language\is-QKJ54.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-A6U0A.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-U19BF.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-626D5.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-B1A3E.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-VG124.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\is-MQ81K.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\is-3IT2Q.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\is-8ISKR.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-TMC3C.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\is-NGI7R.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\is-DCA9M.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-B9JJH.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-MURO4.tmp C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe N/A
N/A N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe N/A
N/A N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1048 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp
PID 1048 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp
PID 1048 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp
PID 1048 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp
PID 1048 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp
PID 1048 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp
PID 1048 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp
PID 1996 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 1996 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 1996 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 1996 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 1996 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 1996 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 1996 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 1420 wrote to memory of 1004 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe
PID 1420 wrote to memory of 1004 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe
PID 1420 wrote to memory of 1004 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe
PID 1420 wrote to memory of 1004 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe
PID 1420 wrote to memory of 1004 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe
PID 1420 wrote to memory of 1004 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe
PID 1420 wrote to memory of 1004 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe
PID 1420 wrote to memory of 1840 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1420 wrote to memory of 1840 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1420 wrote to memory of 1840 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1420 wrote to memory of 1840 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1420 wrote to memory of 1840 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1420 wrote to memory of 1840 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1420 wrote to memory of 1840 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1840 wrote to memory of 1652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1840 wrote to memory of 1652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1840 wrote to memory of 1652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1840 wrote to memory of 1652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1840 wrote to memory of 1652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1840 wrote to memory of 1652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1840 wrote to memory of 1652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe

"C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe"

C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp

"C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp" /SL4 $60122 "C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe" 1781150 96768

C:\Program Files (x86)\Split Files\SplitFiles124.exe

"C:\Program Files (x86)\Split Files\SplitFiles124.exe"

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles124.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles124.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "SplitFiles124.exe" /f

Network

Country Destination Domain Proto
N/A 45.139.105.171:80 45.139.105.171 tcp
N/A 107.182.129.235:80 107.182.129.235 tcp
N/A 171.22.30.106:80 171.22.30.106 tcp

Files

memory/1048-54-0x0000000076171000-0x0000000076173000-memory.dmp

memory/1048-55-0x0000000000400000-0x000000000041E000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp

MD5 807603f3a565337ee2ac3e819b25ee58
SHA1 5cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256 682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512 252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d

memory/1996-58-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp

MD5 807603f3a565337ee2ac3e819b25ee58
SHA1 5cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256 682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512 252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d

C:\Users\Admin\AppData\Local\Temp\is-7TFDD.tmp\is-GJV0F.tmp

MD5 807603f3a565337ee2ac3e819b25ee58
SHA1 5cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256 682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512 252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d

\Users\Admin\AppData\Local\Temp\is-9GIDS.tmp\_isetup\_shfoldr.dll

MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

\Users\Admin\AppData\Local\Temp\is-9GIDS.tmp\_isetup\_shfoldr.dll

MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

\Users\Admin\AppData\Local\Temp\is-9GIDS.tmp\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

\Program Files (x86)\Split Files\SplitFiles124.exe

MD5 06fec979118967cee23ba7b10e41efd5
SHA1 ac1e55d9058671eb34af7a3b6bdfdea9b74125f6
SHA256 8c2aad572700b50f3b3792b4a1827ed036e68502f02d1230e19cc4d3896a25df
SHA512 d7fa49c0e92bdaa430a31ae52cfd384f804f7753a1ec9c52d981ba0bcccae6258563fff3faa03ac1bb849f249d88514d10a75e06c5e98f12cd0264023750db85

C:\Program Files (x86)\Split Files\SplitFiles124.exe

MD5 06fec979118967cee23ba7b10e41efd5
SHA1 ac1e55d9058671eb34af7a3b6bdfdea9b74125f6
SHA256 8c2aad572700b50f3b3792b4a1827ed036e68502f02d1230e19cc4d3896a25df
SHA512 d7fa49c0e92bdaa430a31ae52cfd384f804f7753a1ec9c52d981ba0bcccae6258563fff3faa03ac1bb849f249d88514d10a75e06c5e98f12cd0264023750db85

memory/1420-66-0x0000000000000000-mapping.dmp

\Program Files (x86)\Split Files\SplitFiles124.exe

MD5 06fec979118967cee23ba7b10e41efd5
SHA1 ac1e55d9058671eb34af7a3b6bdfdea9b74125f6
SHA256 8c2aad572700b50f3b3792b4a1827ed036e68502f02d1230e19cc4d3896a25df
SHA512 d7fa49c0e92bdaa430a31ae52cfd384f804f7753a1ec9c52d981ba0bcccae6258563fff3faa03ac1bb849f249d88514d10a75e06c5e98f12cd0264023750db85

\Program Files (x86)\Split Files\SplitFiles124.exe

MD5 06fec979118967cee23ba7b10e41efd5
SHA1 ac1e55d9058671eb34af7a3b6bdfdea9b74125f6
SHA256 8c2aad572700b50f3b3792b4a1827ed036e68502f02d1230e19cc4d3896a25df
SHA512 d7fa49c0e92bdaa430a31ae52cfd384f804f7753a1ec9c52d981ba0bcccae6258563fff3faa03ac1bb849f249d88514d10a75e06c5e98f12cd0264023750db85

C:\Program Files (x86)\Split Files\SplitFiles124.exe

MD5 06fec979118967cee23ba7b10e41efd5
SHA1 ac1e55d9058671eb34af7a3b6bdfdea9b74125f6
SHA256 8c2aad572700b50f3b3792b4a1827ed036e68502f02d1230e19cc4d3896a25df
SHA512 d7fa49c0e92bdaa430a31ae52cfd384f804f7753a1ec9c52d981ba0bcccae6258563fff3faa03ac1bb849f249d88514d10a75e06c5e98f12cd0264023750db85

memory/1048-69-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1996-73-0x0000000003990000-0x0000000004ADC000-memory.dmp

memory/1420-74-0x0000000000400000-0x000000000154C000-memory.dmp

memory/1420-75-0x0000000001CB0000-0x0000000002DFC000-memory.dmp

memory/1420-76-0x0000000001CB0000-0x0000000002DFC000-memory.dmp

memory/1420-77-0x0000000000400000-0x000000000154C000-memory.dmp

memory/1420-78-0x0000000000400000-0x000000000154C000-memory.dmp

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

memory/1004-80-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\v17ED5glVDS8.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

memory/1420-86-0x0000000010000000-0x000000001001B000-memory.dmp

memory/1996-90-0x0000000003990000-0x0000000004ADC000-memory.dmp

memory/1420-91-0x0000000000400000-0x000000000154C000-memory.dmp

memory/1420-92-0x0000000001CB0000-0x0000000002DFC000-memory.dmp

memory/1420-93-0x0000000001CB0000-0x0000000002DFC000-memory.dmp

memory/1840-94-0x0000000000000000-mapping.dmp

memory/1652-96-0x0000000000000000-mapping.dmp

memory/1420-98-0x0000000000400000-0x000000000154C000-memory.dmp

memory/1048-99-0x0000000000400000-0x000000000041E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-29 12:23

Reported

2022-12-29 12:25

Platform

win10v2004-20221111-en

Max time kernel

77s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe"

Signatures

NyMaim

trojan nymaim

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation C:\Program Files (x86)\Split Files\SplitFiles124.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A

Checks installed software on the system

discovery

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Split Files\language\is-3171G.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-LIBAL.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-MD8CS.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-APIFH.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-7TI4R.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-MNIB6.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-T55HG.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-DBOCS.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-KHVT4.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-9A0TT.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-ECDE5.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-LSU4S.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-28TK4.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-JMIP3.tmp C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp N/A

Enumerates physical storage devices

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1712 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp
PID 1712 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp
PID 1712 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp
PID 4736 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 4736 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 4736 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 4340 wrote to memory of 2700 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{6eb576c0-6208-11ed-9190-806e6f6e6963}\WWCIsnXXe.exe
PID 4340 wrote to memory of 2700 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{6eb576c0-6208-11ed-9190-806e6f6e6963}\WWCIsnXXe.exe
PID 4340 wrote to memory of 2700 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{6eb576c0-6208-11ed-9190-806e6f6e6963}\WWCIsnXXe.exe
PID 4340 wrote to memory of 3596 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 4340 wrote to memory of 3596 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 4340 wrote to memory of 3596 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 3596 wrote to memory of 4152 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 3596 wrote to memory of 4152 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 3596 wrote to memory of 4152 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe

"C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe"

C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp

"C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp" /SL4 $701CA "C:\Users\Admin\AppData\Local\Temp\aad7787a0a697a883ada1a7e82ca9050.exe" 1781150 96768

C:\Program Files (x86)\Split Files\SplitFiles124.exe

"C:\Program Files (x86)\Split Files\SplitFiles124.exe"

C:\Users\Admin\AppData\Roaming\{6eb576c0-6208-11ed-9190-806e6f6e6963}\WWCIsnXXe.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles124.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles124.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "SplitFiles124.exe" /f

Network

Country Destination Domain Proto
N/A 45.139.105.171:80 45.139.105.171 tcp
N/A 107.182.129.235:80 107.182.129.235 tcp
N/A 171.22.30.106:80 171.22.30.106 tcp
N/A 20.42.65.84:443 tcp
N/A 178.79.208.1:80 tcp
N/A 178.79.208.1:80 tcp

Files

memory/1712-132-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4736-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp

MD5 807603f3a565337ee2ac3e819b25ee58
SHA1 5cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256 682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512 252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d

C:\Users\Admin\AppData\Local\Temp\is-FKQNJ.tmp\is-PLVTS.tmp

MD5 807603f3a565337ee2ac3e819b25ee58
SHA1 5cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256 682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512 252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d

memory/1712-137-0x0000000000400000-0x000000000041E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-MH3HC.tmp\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4340-139-0x0000000000000000-mapping.dmp

C:\Program Files (x86)\Split Files\SplitFiles124.exe

MD5 06fec979118967cee23ba7b10e41efd5
SHA1 ac1e55d9058671eb34af7a3b6bdfdea9b74125f6
SHA256 8c2aad572700b50f3b3792b4a1827ed036e68502f02d1230e19cc4d3896a25df
SHA512 d7fa49c0e92bdaa430a31ae52cfd384f804f7753a1ec9c52d981ba0bcccae6258563fff3faa03ac1bb849f249d88514d10a75e06c5e98f12cd0264023750db85

C:\Program Files (x86)\Split Files\SplitFiles124.exe

MD5 06fec979118967cee23ba7b10e41efd5
SHA1 ac1e55d9058671eb34af7a3b6bdfdea9b74125f6
SHA256 8c2aad572700b50f3b3792b4a1827ed036e68502f02d1230e19cc4d3896a25df
SHA512 d7fa49c0e92bdaa430a31ae52cfd384f804f7753a1ec9c52d981ba0bcccae6258563fff3faa03ac1bb849f249d88514d10a75e06c5e98f12cd0264023750db85

memory/4340-142-0x0000000000400000-0x000000000154C000-memory.dmp

memory/4340-143-0x0000000000400000-0x000000000154C000-memory.dmp

memory/2700-144-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\{6eb576c0-6208-11ed-9190-806e6f6e6963}\WWCIsnXXe.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

C:\Users\Admin\AppData\Roaming\{6eb576c0-6208-11ed-9190-806e6f6e6963}\WWCIsnXXe.exe

MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

memory/4340-147-0x0000000010000000-0x000000001001B000-memory.dmp

memory/4340-151-0x0000000000400000-0x000000000154C000-memory.dmp

memory/3596-152-0x0000000000000000-mapping.dmp

memory/4152-153-0x0000000000000000-mapping.dmp

memory/4340-154-0x0000000000400000-0x000000000154C000-memory.dmp

memory/1712-155-0x0000000000400000-0x000000000041E000-memory.dmp