snakekeylogger | 15d126878e7c07d9781f95c92add5c8927292f04bdc19cc1e54e75c78ad6ddda

General

Target

Inspection sample.exe
Size

641KB
MD5

a672b8f0cd4cc6aebfdb889074e39822
SHA1

3a167c22503866b00270de06448ae2eb60a4a857
SHA256

08a20e7023a3e5c544e0d48c67d6a50cf22aedc680b85237fa91b9fa315275cd
SHA512

3cf5e2268917ef65964e3303a37ed296f2fc20ed897fb947e9717690a7b6dd3361b2069691f8252b320b21ef56c64149971313f93f858662a4577fa4ef874039
SSDEEP

12288:zAd9fTeWCB3SGK64Cpd8SIEu+ysWLyA+gW:Md9fXNrOP8yuwWLyA

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7771414253:AAEI6ViUbLcxoGeVLOmbEoP7NXWSkDDW9Fo/sendMessage?chat_id=1695799026

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2476-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2476-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 848 set thread context of 2476	848	Inspection sample.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Inspection sample.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
848	Inspection sample.exe
848	Inspection sample.exe
2476	RegSvcs.exe
2476	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	848	Inspection sample.exe
Token: SeDebugPrivilege	2476	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31
PID 848 wrote to memory of 2476	848	Inspection sample.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Inspection sample.exe
"C:\Users\Admin\AppData\Local\Temp\Inspection sample.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/848-1-0x00000000013E0000-0x0000000001486000-memory.dmp

Filesize
664KB

Download
memory/848-2-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/848-3-0x00000000005B0000-0x00000000005C8000-memory.dmp

Filesize
96KB

Download
memory/848-4-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/848-5-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/848-6-0x0000000004E80000-0x0000000004EEC000-memory.dmp

Filesize
432KB

Download
memory/848-21-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2476-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2476-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-20-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2476-22-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2476-23-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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