Analysis
- max time kernel
187s - max time network
197s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
15/03/2022, 19:24
Static task
static1
Behavioral task
behavioral1
Sample
JR_FHM_DAB7400006479004597_147-637593641117581330.exe
Resource
win7-20220310-en
Behavioral task
behavioral2
Sample
JR_FHM_DAB7400006479004597_147-637593641117581330.exe
Resource
win10v2004-en-20220113
General
- Target JR_FHM_DAB7400006479004597_147-637593641117581330.exe
- Size 911KB
- Sample220315-x4ehesddfl
- SHA256 063c4ae42d64081d50fecb5ee3d0f5ed835c8351964e32ae2bc222172d7e0b3c
- MD5 1198534eff0ca700ece37457ad5e2b2d
- SHA1 728daf9d3a51c5382e24fbe3bef9e2c350062193
- SHA512 7a35c17701615450cee682a88a0172253cf701d363c823aab1ec830d0a1499439d82805cb136756728790cc6365bae9c245cbc78c5770b5bc1746e2c30a44886
- MD5 SHA1 SHA512
Malware Config
Extracted
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Protocol
smtp
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Host
detaymarble.com
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Port
587
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Username
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Password
1029384756Krm*
Extracted
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snakekeylogger
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Protocol
smtp
-
Host
detaymarble.com
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Port
587
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Username
-
Password
1029384756Krm*
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 1 IoCs
resource yara_rule behavioral2/memory/1820-147-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation JR_FHM_DAB7400006479004597_147-637593641117581330.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JR_FHM_DAB7400006479004597_147-637593641117581330.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JR_FHM_DAB7400006479004597_147-637593641117581330.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JR_FHM_DAB7400006479004597_147-637593641117581330.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 40 checkip.dyndns.org 42 freegeoip.app 43 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2032 set thread context of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2280 schtasks.exe - Modifies data under HKEY_USERS 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 4260 powershell.exe 1820 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 4260 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 1820 JR_FHM_DAB7400006479004597_147-637593641117581330.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1820 JR_FHM_DAB7400006479004597_147-637593641117581330.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2032 wrote to memory of 4260 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 91 PID 2032 wrote to memory of 4260 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 91 PID 2032 wrote to memory of 4260 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 91 PID 2032 wrote to memory of 2280 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 93 PID 2032 wrote to memory of 2280 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 93 PID 2032 wrote to memory of 2280 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 93 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 PID 2032 wrote to memory of 1820 2032 JR_FHM_DAB7400006479004597_147-637593641117581330.exe 95 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JR_FHM_DAB7400006479004597_147-637593641117581330.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JR_FHM_DAB7400006479004597_147-637593641117581330.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JR_FHM_DAB7400006479004597_147-637593641117581330.exe"C:\Users\Admin\AppData\Local\Temp\JR_FHM_DAB7400006479004597_147-637593641117581330.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QrVfKYwSHjjLso.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4260
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QrVfKYwSHjjLso" /XML "C:\Users\Admin\AppData\Local\Temp\tmp256E.tmp"2⤵
- Creates scheduled task(s)
PID:2280
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C:\Users\Admin\AppData\Local\Temp\JR_FHM_DAB7400006479004597_147-637593641117581330.exe"C:\Users\Admin\AppData\Local\Temp\JR_FHM_DAB7400006479004597_147-637593641117581330.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1820
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
PID:2464