snakekeylogger | 1159798d7b0504960fd5b45cf68a8589c9b3d28e56b372a93195dd009cc45f55

General

Target

Pjlbwitnky.exe
Size

30KB
MD5

2dcabf443b7d1abcc0c2de16ecec90bc
SHA1

e82d2533f5f7f64f0d15960dcbbf9b5b30d585c2
SHA256

1159798d7b0504960fd5b45cf68a8589c9b3d28e56b372a93195dd009cc45f55
SHA512

638e4986489be8a850b2991874249995764885232a344be34c2655f79aeb5aff58f674b87d8dc64afd3d9e4992f1843cc2938e493055ac391e387ea181a5dfb8
SSDEEP

384:Yt+fcBiL2sQvTNfqMLoLb7HE3/Afi7B02PZpBvgOeHItoUtPx+0HYX:YtJerY7cb7HEvAfS/PZp92fOp+3X

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5996089921:AAFFEnbgTY8Gt8G5jJy6llKhDg_Ha193t7c/sendMessage?chat_id=2054148913

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1208-154-0x0000000140000000-0x0000000140024000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	Pjlbwitnky.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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.

flow	ioc
37	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 1208	2040	Pjlbwitnky.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
228	powershell.exe
228	powershell.exe
1208	MSBuild.exe
1208	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	Pjlbwitnky.exe
Token: SeDebugPrivilege	228	powershell.exe
Token: SeDebugPrivilege	1208	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 228	2040	Pjlbwitnky.exe	85
PID 2040 wrote to memory of 228	2040	Pjlbwitnky.exe	85
PID 2040 wrote to memory of 1208	2040	Pjlbwitnky.exe	94
PID 2040 wrote to memory of 1208	2040	Pjlbwitnky.exe	94
PID 2040 wrote to memory of 1208	2040	Pjlbwitnky.exe	94
PID 2040 wrote to memory of 1208	2040	Pjlbwitnky.exe	94
PID 2040 wrote to memory of 1208	2040	Pjlbwitnky.exe	94
PID 2040 wrote to memory of 1208	2040	Pjlbwitnky.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Pjlbwitnky.exe
"C:\Users\Admin\AppData\Local\Temp\Pjlbwitnky.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:228
- 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:1208

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0zray5im.3dr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/228-150-0x00000243BF1A0000-0x00000243BF1B0000-memory.dmp

Filesize
64KB

Download
memory/228-145-0x00000243BF1A0000-0x00000243BF1B0000-memory.dmp

Filesize
64KB

Download
memory/228-146-0x00000243BF1A0000-0x00000243BF1B0000-memory.dmp

Filesize
64KB

Download
memory/228-148-0x00000243BF1A0000-0x00000243BF1B0000-memory.dmp

Filesize
64KB

Download
memory/228-149-0x00000243BF1A0000-0x00000243BF1B0000-memory.dmp

Filesize
64KB

Download
memory/1208-154-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/1208-156-0x000001D526A20000-0x000001D526A30000-memory.dmp

Filesize
64KB

Download
memory/1208-157-0x000001D526D00000-0x000001D526EC2000-memory.dmp

Filesize
1.8MB

Download
memory/1208-158-0x000001D526A20000-0x000001D526A30000-memory.dmp

Filesize
64KB

Download
memory/2040-135-0x000000001D3C0000-0x000000001D3E2000-memory.dmp

Filesize
136KB

Download
memory/2040-134-0x000000001B860000-0x000000001B870000-memory.dmp

Filesize
64KB

Download
memory/2040-147-0x000000001B860000-0x000000001B870000-memory.dmp

Filesize
64KB

Download
memory/2040-133-0x0000000000BA0000-0x0000000000BAC000-memory.dmp

Filesize
48KB

Download

Analysis

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