snakekeylogger | 1e0cd5804ef4947f77e9c4d74aad36b7248e1802bed673363243f9bb9ad0f73a

General

Target

Tzhwq.exe
Size

42KB
MD5

c9b5783bc626451ab2d0c27b9c9ac76d
SHA1

bac23adef5e496237cf7640f83b460055be1ee69
SHA256

1e0cd5804ef4947f77e9c4d74aad36b7248e1802bed673363243f9bb9ad0f73a
SHA512

718c8ea362353c9e987913b514c5d4ebc5b34c4dac0ae08b9c2bded0e5cb03e342b7195cf6f0be0ff7b1e78e5c3b0bd3bbb0347fa8e3a32bfe812bee6a1fd1fa
SSDEEP

768:j/bdC1bypS0BSpwX5K+LhtvirD+9BvPdD7Ypy:9O0+enLHqnYXdKy

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6566589691:AAFApTT4-vdsgK7fcVU9cwFelVxNx3knl8M/sendMessage?chat_id=5582419717

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4468-9-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mmmmmm = "C:\\Users\\Admin\\AppData\\Roaming\\mmmmmm.exe"	Tzhwq.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.

flow	ioc
46	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 788 set thread context of 4468	788	Tzhwq.exe	89

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
788	Tzhwq.exe
4468	MSBuild.exe
4468	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	788	Tzhwq.exe
Token: SeDebugPrivilege	4468	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 4468	788	Tzhwq.exe	89
PID 788 wrote to memory of 4468	788	Tzhwq.exe	89
PID 788 wrote to memory of 4468	788	Tzhwq.exe	89
PID 788 wrote to memory of 4468	788	Tzhwq.exe	89
PID 788 wrote to memory of 4468	788	Tzhwq.exe	89
PID 788 wrote to memory of 4468	788	Tzhwq.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Tzhwq.exe
"C:\Users\Admin\AppData\Local\Temp\Tzhwq.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/788-6-0x00007FFBC9930000-0x00007FFBCA3F1000-memory.dmp

Filesize
10.8MB

Download
memory/788-11-0x00007FFBC9930000-0x00007FFBCA3F1000-memory.dmp

Filesize
10.8MB

Download
memory/788-2-0x000001F020160000-0x000001F020170000-memory.dmp

Filesize
64KB

Download
memory/788-3-0x000001F020170000-0x000001F0201B8000-memory.dmp

Filesize
288KB

Download
memory/788-4-0x000001F038A10000-0x000001F038A46000-memory.dmp

Filesize
216KB

Download
memory/788-5-0x000001F038AC0000-0x000001F038B0C000-memory.dmp

Filesize
304KB

Download
memory/788-1-0x00007FFBC9930000-0x00007FFBCA3F1000-memory.dmp

Filesize
10.8MB

Download
memory/788-7-0x000001F020160000-0x000001F020170000-memory.dmp

Filesize
64KB

Download
memory/788-0-0x000001F01E310000-0x000001F01E320000-memory.dmp

Filesize
64KB

Download
memory/4468-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/4468-12-0x00007FFBC9930000-0x00007FFBCA3F1000-memory.dmp

Filesize
10.8MB

Download
memory/4468-13-0x000001F6EA560000-0x000001F6EA570000-memory.dmp

Filesize
64KB

Download
memory/4468-14-0x00007FFBC9930000-0x00007FFBCA3F1000-memory.dmp

Filesize
10.8MB

Download
memory/4468-15-0x000001F6D1C00000-0x000001F6D1C50000-memory.dmp

Filesize
320KB

Download
memory/4468-16-0x000001F6EA990000-0x000001F6EAB52000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads