Malware Analysis Report

2025-04-13 10:39

Sample ID 221229-pfgnwagb5v
Target file.exe
SHA256 8e3c53be955a39706853a6fa0d3e11d12c57092d6fdc5926bd5d9b1875551341
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

8e3c53be955a39706853a6fa0d3e11d12c57092d6fdc5926bd5d9b1875551341

Threat Level: Known bad

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

Malicious Activity Summary

nymaim discovery trojan

NyMaim

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

Drops file in Program Files directory

Enumerates physical storage devices

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-12-29 12:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-29 12:16

Reported

2022-12-29 12:18

Platform

win7-20220812-en

Max time kernel

64s

Max time network

66s

Command Line

"C:\Users\Admin\AppData\Local\Temp\file.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-QKNAB.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-VQN0E.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-M6AGA.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-MGJG9.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-MNKEN.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-1NK85.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-SHT4C.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-BQJ65.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-B8J3E.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-0QBGG.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-CPM12.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\is-RTBLV.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-13H1P.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-KCH40.tmp C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.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-LIACU.tmp\is-ETKNS.tmp N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1112 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp
PID 1112 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp
PID 1112 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp
PID 1112 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp
PID 1112 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp
PID 1112 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp
PID 1112 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp
PID 308 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 308 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 308 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 308 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 308 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 308 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 308 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp C:\Program Files (x86)\Split Files\SplitFiles124.exe
PID 2044 wrote to memory of 2000 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe
PID 2044 wrote to memory of 2000 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe
PID 2044 wrote to memory of 2000 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe
PID 2044 wrote to memory of 2000 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe
PID 2044 wrote to memory of 2000 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe
PID 2044 wrote to memory of 2000 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe
PID 2044 wrote to memory of 2000 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe
PID 2044 wrote to memory of 1216 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 2044 wrote to memory of 1216 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 2044 wrote to memory of 1216 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 2044 wrote to memory of 1216 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 2044 wrote to memory of 1216 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 2044 wrote to memory of 1216 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 2044 wrote to memory of 1216 N/A C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Windows\SysWOW64\cmd.exe
PID 1216 wrote to memory of 1084 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1216 wrote to memory of 1084 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1216 wrote to memory of 1084 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1216 wrote to memory of 1084 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1216 wrote to memory of 1084 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1216 wrote to memory of 1084 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1216 wrote to memory of 1084 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp" /SL4 $60126 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1672094 166400

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}\wEN1bzsOyy.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/1112-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

memory/1112-55-0x0000000000400000-0x000000000042F000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp

MD5 88c7387a76635a30298c1fea18eb963d
SHA1 8a01e609d9f076fd09ec9eec99b512c3571efdbc
SHA256 0cf25da416c0de0814b116f3b917412415e285622149b82d6ee701d94316427b
SHA512 e3d7736fa09f81ff239ce20b9c7cfacc171b63a215f5658c0de9f57dfbb4b9fb7dd96875ecacd7e652d06ff100fa4f7fca63ba2688d48b122bf03c8dbd08ad2b

memory/308-58-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp

MD5 88c7387a76635a30298c1fea18eb963d
SHA1 8a01e609d9f076fd09ec9eec99b512c3571efdbc
SHA256 0cf25da416c0de0814b116f3b917412415e285622149b82d6ee701d94316427b
SHA512 e3d7736fa09f81ff239ce20b9c7cfacc171b63a215f5658c0de9f57dfbb4b9fb7dd96875ecacd7e652d06ff100fa4f7fca63ba2688d48b122bf03c8dbd08ad2b

C:\Users\Admin\AppData\Local\Temp\is-LIACU.tmp\is-ETKNS.tmp

MD5 88c7387a76635a30298c1fea18eb963d
SHA1 8a01e609d9f076fd09ec9eec99b512c3571efdbc
SHA256 0cf25da416c0de0814b116f3b917412415e285622149b82d6ee701d94316427b
SHA512 e3d7736fa09f81ff239ce20b9c7cfacc171b63a215f5658c0de9f57dfbb4b9fb7dd96875ecacd7e652d06ff100fa4f7fca63ba2688d48b122bf03c8dbd08ad2b

\Users\Admin\AppData\Local\Temp\is-F033B.tmp\_isetup\_shfoldr.dll

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

\Users\Admin\AppData\Local\Temp\is-F033B.tmp\_isetup\_shfoldr.dll

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

\Users\Admin\AppData\Local\Temp\is-F033B.tmp\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 b232e442fc2fc2ac7b0708471ca032e3
SHA1 10759971918b313c4866168e1681625308f9b8b9
SHA256 dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512 b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e

memory/2044-66-0x0000000000000000-mapping.dmp

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

MD5 b232e442fc2fc2ac7b0708471ca032e3
SHA1 10759971918b313c4866168e1681625308f9b8b9
SHA256 dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512 b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e

memory/1112-68-0x0000000000400000-0x000000000042F000-memory.dmp

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

MD5 b232e442fc2fc2ac7b0708471ca032e3
SHA1 10759971918b313c4866168e1681625308f9b8b9
SHA256 dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512 b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e

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

MD5 b232e442fc2fc2ac7b0708471ca032e3
SHA1 10759971918b313c4866168e1681625308f9b8b9
SHA256 dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512 b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e

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

MD5 b232e442fc2fc2ac7b0708471ca032e3
SHA1 10759971918b313c4866168e1681625308f9b8b9
SHA256 dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512 b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e

memory/308-73-0x0000000003960000-0x0000000004A8C000-memory.dmp

memory/2044-74-0x0000000000400000-0x000000000152C000-memory.dmp

memory/2044-75-0x0000000001C80000-0x0000000002DAC000-memory.dmp

memory/2044-76-0x0000000001C80000-0x0000000002DAC000-memory.dmp

memory/2044-77-0x0000000000400000-0x000000000152C000-memory.dmp

memory/2044-78-0x0000000000400000-0x000000000152C000-memory.dmp

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe

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

memory/2000-80-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe

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

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe

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

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe

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

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\wEN1bzsOyy.exe

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

memory/308-86-0x0000000003960000-0x0000000004A8C000-memory.dmp

memory/2044-87-0x0000000000400000-0x000000000152C000-memory.dmp

memory/2044-88-0x0000000001C80000-0x0000000002DAC000-memory.dmp

memory/2044-89-0x0000000001C80000-0x0000000002DAC000-memory.dmp

memory/2044-90-0x0000000010000000-0x000000001001B000-memory.dmp

memory/2044-94-0x0000000000400000-0x000000000152C000-memory.dmp

memory/1216-95-0x0000000000000000-mapping.dmp

memory/1084-97-0x0000000000000000-mapping.dmp

memory/2044-99-0x0000000000400000-0x000000000152C000-memory.dmp

memory/1112-100-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-29 12:16

Reported

2022-12-29 12:18

Platform

win10v2004-20221111-en

Max time kernel

90s

Max time network

153s

Command Line

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

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
N/A N/A 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-UP9VC.tmp\is-K50BJ.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-SOUE4.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-O8S87.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-VLCO1.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\is-2C4BT.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\is-O5N7C.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-M3B74.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-H0C38.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-JVQEH.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\is-DK16B.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File opened for modification C:\Program Files (x86)\Split Files\SplitFiles124.exe C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-27G9A.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-2JSFT.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\is-S92JU.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\is-KCLMK.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A
File created C:\Program Files (x86)\Split Files\language\is-VPGI0.tmp C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp N/A

Enumerates physical storage devices

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp

"C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp" /SL4 $B004C "C:\Users\Admin\AppData\Local\Temp\file.exe" 1672094 166400

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

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

Network

Country Destination Domain Proto
N/A 209.197.3.8:80 tcp
N/A 20.189.173.12:443 tcp
N/A 8.8.8.8:53 106.89.54.20.in-addr.arpa udp
N/A 87.248.202.1:80 tcp
N/A 104.80.225.205:443 tcp

Files

memory/4180-132-0x0000000000400000-0x000000000042F000-memory.dmp

memory/868-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp

MD5 88c7387a76635a30298c1fea18eb963d
SHA1 8a01e609d9f076fd09ec9eec99b512c3571efdbc
SHA256 0cf25da416c0de0814b116f3b917412415e285622149b82d6ee701d94316427b
SHA512 e3d7736fa09f81ff239ce20b9c7cfacc171b63a215f5658c0de9f57dfbb4b9fb7dd96875ecacd7e652d06ff100fa4f7fca63ba2688d48b122bf03c8dbd08ad2b

C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp

MD5 88c7387a76635a30298c1fea18eb963d
SHA1 8a01e609d9f076fd09ec9eec99b512c3571efdbc
SHA256 0cf25da416c0de0814b116f3b917412415e285622149b82d6ee701d94316427b
SHA512 e3d7736fa09f81ff239ce20b9c7cfacc171b63a215f5658c0de9f57dfbb4b9fb7dd96875ecacd7e652d06ff100fa4f7fca63ba2688d48b122bf03c8dbd08ad2b

C:\Users\Admin\AppData\Local\Temp\is-NB6LJ.tmp\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4180-138-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4192-139-0x0000000000000000-mapping.dmp

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

MD5 b232e442fc2fc2ac7b0708471ca032e3
SHA1 10759971918b313c4866168e1681625308f9b8b9
SHA256 dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512 b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e

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

MD5 b232e442fc2fc2ac7b0708471ca032e3
SHA1 10759971918b313c4866168e1681625308f9b8b9
SHA256 dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512 b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e

memory/4192-142-0x0000000000400000-0x000000000152C000-memory.dmp

memory/4180-143-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4192-144-0x0000000000400000-0x000000000152C000-memory.dmp