snakekeylogger | 40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77

General

Target

40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe
Size

956KB
MD5

fa3d6390bb87448cc33cadec460e06ca
SHA1

6366ce303561a46b5893f14e78458d68b58f1289
SHA256

40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77
SHA512

6780888b14b71c176ccd307b11910b067ea73d1fbfca654556e9708db3dccc42bd4d9d4b727e3b9db9d6a8751bf1a3aba6f7500190e0da833195da9758ef551f
SSDEEP

24576:wu6J33O0c+JY5UZ+XC0kGso6Fa71MBvlIWY:6u0c++OCvkGs9Fa71MdlY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8123813718:AAE7xhJKgiVtPaoPZCfcx9AxRJoEs0MjRtc/sendMessage?chat_id=7607163233

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2716-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-14-0x0000000000400000-0x0000000000426000-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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\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
10	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	1656	WerFault.exe	29

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	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2716	RegSvcs.exe
2716	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe
1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe
1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2716	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	30
PID 1656 wrote to memory of 2752	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	31
PID 1656 wrote to memory of 2752	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	31
PID 1656 wrote to memory of 2752	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	31
PID 1656 wrote to memory of 2752	1656	40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe
"C:\Users\Admin\AppData\Local\Temp\40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\40de7a4f28d65cd030aa0a65d22b32b812bffbfd66b959a4cc5821677a9e6b77.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:2716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 312
  2⤵
  - Program crash
  PID:2752

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/1656-11-0x0000000000160000-0x0000000000164000-memory.dmp

Filesize
16KB

Download
memory/2716-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-17-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2716-18-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2716-19-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2716-20-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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