snakekeylogger | cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db

General

Target

29e69c25d02c5a45e62f038f7aa7a716.exe
Size

174KB
MD5

29e69c25d02c5a45e62f038f7aa7a716
SHA1

9aa09cd4c4126cd410a2674a37d34d1d7575d8b0
SHA256

cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db
SHA512

b626b753d4e9daf4ab42e0fe00213600a12874822703c7d7c9fb6a2c8548885ad6f30b341c317780146ac5c7dacf11331071cc721c0cc9a411c4386dc6ee00e9

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1707668650:AAFJBUcmT6aGlXwy3-beDARhm0ji930DCzM/sendMessage?chat_id=-772314354

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2644-143-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

29e69c25d02c5a45e62f038f7aa7a716.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	29e69c25d02c5a45e62f038f7aa7a716.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

29e69c25d02c5a45e62f038f7aa7a716.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rrfta = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hbxhwj\\Rrfta.exe\""	29e69c25d02c5a45e62f038f7aa7a716.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

18 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

29e69c25d02c5a45e62f038f7aa7a716.exe

description pid process target process

PID 2000 set thread context of 2644 2000 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	ioc
18	checkip.dyndns.org

description	pid	process	target process
PID 2000 set thread context of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exe29e69c25d02c5a45e62f038f7aa7a716.exeInstallUtil.exe

pid	process
3812	powershell.exe
3812	powershell.exe
2000	29e69c25d02c5a45e62f038f7aa7a716.exe
2000	29e69c25d02c5a45e62f038f7aa7a716.exe
2000	29e69c25d02c5a45e62f038f7aa7a716.exe
2000	29e69c25d02c5a45e62f038f7aa7a716.exe
2000	29e69c25d02c5a45e62f038f7aa7a716.exe
2000	29e69c25d02c5a45e62f038f7aa7a716.exe
2644	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

29e69c25d02c5a45e62f038f7aa7a716.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2000	29e69c25d02c5a45e62f038f7aa7a716.exe
Token: SeDebugPrivilege	3812	powershell.exe
Token: SeDebugPrivilege	2644	InstallUtil.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

29e69c25d02c5a45e62f038f7aa7a716.exe

description	pid	process	target process
PID 2000 wrote to memory of 3812	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	powershell.exe
PID 2000 wrote to memory of 3812	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	powershell.exe
PID 2000 wrote to memory of 3812	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	powershell.exe
PID 2000 wrote to memory of 4064	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 4064	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 4064	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe
PID 2000 wrote to memory of 2644	2000	29e69c25d02c5a45e62f038f7aa7a716.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\29e69c25d02c5a45e62f038f7aa7a716.exe
"C:\Users\Admin\AppData\Local\Temp\29e69c25d02c5a45e62f038f7aa7a716.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3812

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:4064

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2644

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2000-140-0x000000002B050000-0x000000002B0E2000-memory.dmp

Filesize
584KB

Download
memory/2000-130-0x0000000000030000-0x0000000000062000-memory.dmp

Filesize
200KB

Download
memory/2644-147-0x0000000006670000-0x000000000667A000-memory.dmp

Filesize
40KB

Download
memory/2644-146-0x00000000066F0000-0x00000000068B2000-memory.dmp

Filesize
1.8MB

Download
memory/2644-145-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/2644-144-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/2644-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2644-142-0x0000000000000000-mapping.dmp

Download
memory/3812-134-0x0000000005100000-0x0000000005122000-memory.dmp

Filesize
136KB

Download
memory/3812-139-0x00000000065C0000-0x00000000065DA000-memory.dmp

Filesize
104KB

Download
memory/3812-138-0x0000000007940000-0x0000000007FBA000-memory.dmp

Filesize
6.5MB

Download
memory/3812-137-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/3812-136-0x0000000005A50000-0x0000000005AB6000-memory.dmp

Filesize
408KB

Download
memory/3812-135-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/3812-133-0x0000000005240000-0x0000000005868000-memory.dmp

Filesize
6.2MB

Download
memory/3812-132-0x00000000027B0000-0x00000000027E6000-memory.dmp

Filesize
216KB

Download
memory/3812-131-0x0000000000000000-mapping.dmp

Download
memory/4064-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads