snakekeylogger | b5ed033b1ab59838dd5f9abdad008e1fadda3a2fad7220308cf123390c4d882a

General

Target

Xgfawytdsuh.exe
Size

7KB
MD5

1291626bc1a52f6913048b6bae46ea32
SHA1

bdbc938c60af4e16b17accfadf54b31b85bf3ab0
SHA256

b5ed033b1ab59838dd5f9abdad008e1fadda3a2fad7220308cf123390c4d882a
SHA512

90b4393e11f87a02e3d850ee27fadd3a7b2a7f8e632d6f3e8c72963bced6371411269476dc4a16782e109f6acefd052cb15a6c0fdbae53788fbef2e9365e1f86
SSDEEP

96:CiIpKgeeUOobOyO4yfF9eLo/4jtUW5RL07kLLkDkPftlYRzNt:j8w/O4yXeLogjtX5ykLLkYPf0z

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5824924248:AAF4WKjJ8FxpNsC2HwCM114EP_g8rFkC4wQ/sendMessage?chat_id=2054148913

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/3548-145-0x0000000000400000-0x0000000000426000-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:

Xgfawytdsuh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Xgfawytdsuh.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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

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

Processes:

Xgfawytdsuh.exe

description pid process target process

PID 1012 set thread context of 3548 1012 Xgfawytdsuh.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeMSBuild.exe

pid process

2052 powershell.exe
2052 powershell.exe
3548 MSBuild.exe
3548 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Xgfawytdsuh.exepowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1012 Xgfawytdsuh.exe
Token: SeDebugPrivilege 2052 powershell.exe
Token: SeDebugPrivilege 3548 MSBuild.exe

flow	ioc
17	checkip.dyndns.org

description	pid	process	target process
PID 1012 set thread context of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe

pid	process
2052	powershell.exe
2052	powershell.exe
3548	MSBuild.exe
3548	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1012	Xgfawytdsuh.exe
Token: SeDebugPrivilege	2052	powershell.exe
Token: SeDebugPrivilege	3548	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Xgfawytdsuh.exe

description	pid	process	target process
PID 1012 wrote to memory of 2052	1012	Xgfawytdsuh.exe	powershell.exe
PID 1012 wrote to memory of 2052	1012	Xgfawytdsuh.exe	powershell.exe
PID 1012 wrote to memory of 2052	1012	Xgfawytdsuh.exe	powershell.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe
PID 1012 wrote to memory of 3548	1012	Xgfawytdsuh.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Xgfawytdsuh.exe
"C:\Users\Admin\AppData\Local\Temp\Xgfawytdsuh.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2052

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1012-132-0x0000000000700000-0x0000000000708000-memory.dmp

Filesize
32KB

Download
memory/1012-133-0x0000000006800000-0x0000000006DA4000-memory.dmp

Filesize
5.6MB

Download
memory/1012-134-0x0000000006350000-0x00000000063E2000-memory.dmp

Filesize
584KB

Download
memory/1012-135-0x00000000064E0000-0x0000000006502000-memory.dmp

Filesize
136KB

Download
memory/2052-136-0x0000000000000000-mapping.dmp

Download
memory/2052-137-0x0000000004F10000-0x0000000004F46000-memory.dmp

Filesize
216KB

Download
memory/2052-138-0x00000000056A0000-0x0000000005CC8000-memory.dmp

Filesize
6.2MB

Download
memory/2052-139-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/2052-140-0x0000000005E60000-0x0000000005EC6000-memory.dmp

Filesize
408KB

Download
memory/2052-141-0x00000000064B0000-0x00000000064CE000-memory.dmp

Filesize
120KB

Download
memory/2052-142-0x0000000007AE0000-0x000000000815A000-memory.dmp

Filesize
6.5MB

Download
memory/2052-143-0x00000000069B0000-0x00000000069CA000-memory.dmp

Filesize
104KB

Download
memory/3548-144-0x0000000000000000-mapping.dmp

Download
memory/3548-145-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3548-146-0x0000000005050000-0x00000000050EC000-memory.dmp

Filesize
624KB

Download
memory/3548-147-0x0000000006220000-0x00000000063E2000-memory.dmp

Filesize
1.8MB

Download
memory/3548-148-0x00000000061E0000-0x00000000061EA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads