Malware Analysis Report

2025-08-05 13:26

Sample ID 221204-f53szaaf69
Target ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76
SHA256 ad1a4fce7d853c118f301f7e878d4adef8a4c609eaf1a718ff5a5c63f61324af
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

ad1a4fce7d853c118f301f7e878d4adef8a4c609eaf1a718ff5a5c63f61324af

Threat Level: Known bad

The file ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76 was found to be: Known bad.

Malicious Activity Summary

nymaim discovery trojan

NyMaim

Executes dropped EXE

Checks computer location settings

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

2022-12-04 05:28

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-04 05:28

Reported

2022-12-04 05:31

Platform

win7-20220812-en

Max time kernel

90s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe"

Signatures

NyMaim

trojan nymaim

Checks installed software on the system

discovery

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File created C:\Program Files (x86)\PrintFolders\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-CTV4L.tmp C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-CMNMN.tmp C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-G5MN9.tmp C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-6UEP9.tmp C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-46VVK.tmp C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-8LQCK.tmp C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.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)\PrintFolders\PrintFolders.exe N/A
N/A N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe N/A
N/A N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1224 wrote to memory of 1816 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp
PID 1224 wrote to memory of 1816 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp
PID 1224 wrote to memory of 1816 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp
PID 1224 wrote to memory of 1816 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp
PID 1224 wrote to memory of 1816 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp
PID 1224 wrote to memory of 1816 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp
PID 1224 wrote to memory of 1816 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp
PID 1816 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1816 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1816 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1816 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1816 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1816 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1816 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1584 wrote to memory of 1492 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe
PID 1584 wrote to memory of 1492 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe
PID 1584 wrote to memory of 1492 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe
PID 1584 wrote to memory of 1492 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe
PID 1584 wrote to memory of 1492 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe
PID 1584 wrote to memory of 1492 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe
PID 1584 wrote to memory of 1492 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe
PID 1584 wrote to memory of 1156 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 1584 wrote to memory of 1156 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 1584 wrote to memory of 1156 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 1584 wrote to memory of 1156 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 1584 wrote to memory of 1156 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 1584 wrote to memory of 1156 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 1584 wrote to memory of 1156 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 1156 wrote to memory of 1532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1156 wrote to memory of 1532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1156 wrote to memory of 1532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1156 wrote to memory of 1532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1156 wrote to memory of 1532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1156 wrote to memory of 1532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1156 wrote to memory of 1532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe

"C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe"

C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp

"C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp" /SL4 $90120 "C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe" 3390380 51712

C:\Program Files (x86)\PrintFolders\PrintFolders.exe

"C:\Program Files (x86)\PrintFolders\PrintFolders.exe"

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "PrintFolders.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/1224-54-0x0000000076041000-0x0000000076043000-memory.dmp

memory/1224-55-0x0000000000400000-0x0000000000413000-memory.dmp

memory/1224-57-0x0000000000400000-0x0000000000413000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp

MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70

memory/1816-59-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp

MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70

C:\Users\Admin\AppData\Local\Temp\is-DGGG2.tmp\is-COTQ7.tmp

MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70

\Users\Admin\AppData\Local\Temp\is-BQM7M.tmp\_isetup\_shfoldr.dll

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

\Users\Admin\AppData\Local\Temp\is-BQM7M.tmp\_isetup\_shfoldr.dll

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

\Users\Admin\AppData\Local\Temp\is-BQM7M.tmp\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

\Program Files (x86)\PrintFolders\PrintFolders.exe

MD5 4e7679edaf4d602e12ed7749df9fd85c
SHA1 21b468a02465ac596dd6aa4bba966ca84851afb8
SHA256 dfaed150acc7e50f8bc314b89dc0ad25786fffe377bdcf0c05aea800e7b0fcf4
SHA512 a265d12e9fb9c7ef3b28c1d65645f7fc28130c0acb49f2b21ddc20cab2a45b91d9166e135d371f5ba3f3f2cd9539304f08b0b6af122a64f8ea471f2a2689d9e9

memory/1584-67-0x0000000000000000-mapping.dmp

C:\Program Files (x86)\PrintFolders\PrintFolders.exe

MD5 4e7679edaf4d602e12ed7749df9fd85c
SHA1 21b468a02465ac596dd6aa4bba966ca84851afb8
SHA256 dfaed150acc7e50f8bc314b89dc0ad25786fffe377bdcf0c05aea800e7b0fcf4
SHA512 a265d12e9fb9c7ef3b28c1d65645f7fc28130c0acb49f2b21ddc20cab2a45b91d9166e135d371f5ba3f3f2cd9539304f08b0b6af122a64f8ea471f2a2689d9e9

memory/1816-70-0x0000000002F20000-0x00000000042DD000-memory.dmp

C:\Program Files (x86)\PrintFolders\PrintFolders.exe

MD5 4e7679edaf4d602e12ed7749df9fd85c
SHA1 21b468a02465ac596dd6aa4bba966ca84851afb8
SHA256 dfaed150acc7e50f8bc314b89dc0ad25786fffe377bdcf0c05aea800e7b0fcf4
SHA512 a265d12e9fb9c7ef3b28c1d65645f7fc28130c0acb49f2b21ddc20cab2a45b91d9166e135d371f5ba3f3f2cd9539304f08b0b6af122a64f8ea471f2a2689d9e9

\Program Files (x86)\PrintFolders\PrintFolders.exe

MD5 4e7679edaf4d602e12ed7749df9fd85c
SHA1 21b468a02465ac596dd6aa4bba966ca84851afb8
SHA256 dfaed150acc7e50f8bc314b89dc0ad25786fffe377bdcf0c05aea800e7b0fcf4
SHA512 a265d12e9fb9c7ef3b28c1d65645f7fc28130c0acb49f2b21ddc20cab2a45b91d9166e135d371f5ba3f3f2cd9539304f08b0b6af122a64f8ea471f2a2689d9e9

memory/1584-74-0x0000000000400000-0x00000000017BD000-memory.dmp

\Program Files (x86)\PrintFolders\PrintFolders.exe

MD5 4e7679edaf4d602e12ed7749df9fd85c
SHA1 21b468a02465ac596dd6aa4bba966ca84851afb8
SHA256 dfaed150acc7e50f8bc314b89dc0ad25786fffe377bdcf0c05aea800e7b0fcf4
SHA512 a265d12e9fb9c7ef3b28c1d65645f7fc28130c0acb49f2b21ddc20cab2a45b91d9166e135d371f5ba3f3f2cd9539304f08b0b6af122a64f8ea471f2a2689d9e9

memory/1584-75-0x0000000001C60000-0x000000000301D000-memory.dmp

memory/1584-76-0x0000000001C60000-0x000000000301D000-memory.dmp

memory/1584-77-0x0000000000400000-0x00000000017BD000-memory.dmp

memory/1224-78-0x0000000000400000-0x0000000000413000-memory.dmp

memory/1816-79-0x0000000002F20000-0x00000000042DD000-memory.dmp

memory/1584-80-0x0000000000400000-0x00000000017BD000-memory.dmp

memory/1584-81-0x0000000001C60000-0x000000000301D000-memory.dmp

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe

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

memory/1584-84-0x0000000001C60000-0x000000000301D000-memory.dmp

memory/1492-83-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe

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

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe

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

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe

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

\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qQwLEva6.exe

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

memory/1584-90-0x0000000000400000-0x00000000017BD000-memory.dmp

memory/1584-91-0x0000000010000000-0x000000001001B000-memory.dmp

memory/1156-95-0x0000000000000000-mapping.dmp

memory/1584-98-0x0000000000400000-0x00000000017BD000-memory.dmp

memory/1532-97-0x0000000000000000-mapping.dmp

memory/1224-99-0x0000000000400000-0x0000000000413000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-04 05:28

Reported

2022-12-04 05:30

Platform

win10v2004-20220901-en

Max time kernel

82s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe"

Signatures

NyMaim

trojan nymaim

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation C:\Program Files (x86)\PrintFolders\PrintFolders.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.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)\PrintFolders\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-2ER3O.tmp C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-RBO93.tmp C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-1SPPE.tmp C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-4FI7L.tmp C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-OO3HP.tmp C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File created C:\Program Files (x86)\PrintFolders\is-K7FQI.tmp C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp N/A
File opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.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 4348 wrote to memory of 1716 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp
PID 4348 wrote to memory of 1716 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp
PID 4348 wrote to memory of 1716 N/A C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp
PID 1716 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1716 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 1716 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp C:\Program Files (x86)\PrintFolders\PrintFolders.exe
PID 4712 wrote to memory of 1044 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\IgKc3.exe
PID 4712 wrote to memory of 1044 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\IgKc3.exe
PID 4712 wrote to memory of 1044 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\IgKc3.exe
PID 4712 wrote to memory of 4976 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 4712 wrote to memory of 4976 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 4712 wrote to memory of 4976 N/A C:\Program Files (x86)\PrintFolders\PrintFolders.exe C:\Windows\SysWOW64\cmd.exe
PID 4976 wrote to memory of 3908 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4976 wrote to memory of 3908 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4976 wrote to memory of 3908 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe

"C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe"

C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp

"C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp" /SL4 $8006A "C:\Users\Admin\AppData\Local\Temp\ce8c362b149741c5d5430d2bd6947cf6e0675e5ff13efbd9b2d497fadcb37f76.exe" 3390380 51712

C:\Program Files (x86)\PrintFolders\PrintFolders.exe

"C:\Program Files (x86)\PrintFolders\PrintFolders.exe"

C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\IgKc3.exe

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "PrintFolders.exe" /f

Network

Country Destination Domain Proto
N/A 72.21.91.29:80 tcp
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 20.42.73.24:443 tcp
N/A 2.18.109.224:443 tcp
N/A 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
N/A 87.248.202.1:80 tcp
N/A 88.221.25.155:80 tcp

Files

memory/4348-132-0x0000000000400000-0x0000000000413000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp

MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70

C:\Users\Admin\AppData\Local\Temp\is-79U48.tmp\is-UJR26.tmp

MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70

memory/1716-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\is-F22U8.tmp\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4348-138-0x0000000000400000-0x0000000000413000-memory.dmp

memory/4712-139-0x0000000000000000-mapping.dmp

C:\Program Files (x86)\PrintFolders\PrintFolders.exe

MD5 4e7679edaf4d602e12ed7749df9fd85c
SHA1 21b468a02465ac596dd6aa4bba966ca84851afb8
SHA256 dfaed150acc7e50f8bc314b89dc0ad25786fffe377bdcf0c05aea800e7b0fcf4
SHA512 a265d12e9fb9c7ef3b28c1d65645f7fc28130c0acb49f2b21ddc20cab2a45b91d9166e135d371f5ba3f3f2cd9539304f08b0b6af122a64f8ea471f2a2689d9e9

C:\Program Files (x86)\PrintFolders\PrintFolders.exe

MD5 4e7679edaf4d602e12ed7749df9fd85c
SHA1 21b468a02465ac596dd6aa4bba966ca84851afb8
SHA256 dfaed150acc7e50f8bc314b89dc0ad25786fffe377bdcf0c05aea800e7b0fcf4
SHA512 a265d12e9fb9c7ef3b28c1d65645f7fc28130c0acb49f2b21ddc20cab2a45b91d9166e135d371f5ba3f3f2cd9539304f08b0b6af122a64f8ea471f2a2689d9e9

memory/4712-142-0x0000000000400000-0x00000000017BD000-memory.dmp

memory/4712-143-0x0000000000400000-0x00000000017BD000-memory.dmp

C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\IgKc3.exe

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

C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\IgKc3.exe

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

memory/1044-144-0x0000000000000000-mapping.dmp

memory/4712-147-0x0000000010000000-0x000000001001B000-memory.dmp

memory/4712-151-0x0000000000400000-0x00000000017BD000-memory.dmp

memory/4976-152-0x0000000000000000-mapping.dmp

memory/3908-153-0x0000000000000000-mapping.dmp

memory/4712-154-0x0000000000400000-0x00000000017BD000-memory.dmp

memory/4348-155-0x0000000000400000-0x0000000000413000-memory.dmp