snakekeylogger | 7bb1f961ffae2e3ffa422d151c2290d281b02f8be9279a52bae179fb47d817ce

General

Target

Aatch.exe
Size

13KB
MD5

e7489df1b705021efba74ee65fa7761d
SHA1

96b5f2cdb4fe43e12ea02fd1ba95fca84e196e3e
SHA256

7bb1f961ffae2e3ffa422d151c2290d281b02f8be9279a52bae179fb47d817ce
SHA512

cb51dc678e292b6d1cc9e7a0ca10b8f2c90dc6bd21fbba5bd0f30663acdf47282e7cd6f442a8ba6cea2fcc430a6f9175693d4fe02a345c744768c2591da3d66c
SSDEEP

192:dze8OfffffhasFbb7eApmL9eenvEd/oYnvS/Ywm:dzeLfffffhFbbVpmL9eevejvSw

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5880456490:AAFr-YgeGPyCCU-BDrqTxMMPTvuAWcxgJcE/sendMessage?chat_id=2054148913

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral2/memory/2748-155-0x0000000140000000-0x0000000140024000-memory.dmp	family_snakekeylogger
behavioral2/memory/2748-159-0x000002875ADA0000-0x000002875ADB0000-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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	Aatch.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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
27	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3960 set thread context of 2748	3960	Aatch.exe	91

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
2156	powershell.exe
2156	powershell.exe
2748	MSBuild.exe
2748	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3960	Aatch.exe
Token: SeDebugPrivilege	2156	powershell.exe
Token: SeDebugPrivilege	2748	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 2156	3960	Aatch.exe	83
PID 3960 wrote to memory of 2156	3960	Aatch.exe	83
PID 3960 wrote to memory of 2748	3960	Aatch.exe	91
PID 3960 wrote to memory of 2748	3960	Aatch.exe	91
PID 3960 wrote to memory of 2748	3960	Aatch.exe	91
PID 3960 wrote to memory of 2748	3960	Aatch.exe	91
PID 3960 wrote to memory of 2748	3960	Aatch.exe	91
PID 3960 wrote to memory of 2748	3960	Aatch.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Aatch.exe
"C:\Users\Admin\AppData\Local\Temp\Aatch.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960
- 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:2156
- 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:2748

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_idm4ti50.hvl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2156-147-0x0000010648FE0000-0x0000010648FF0000-memory.dmp

Filesize
64KB

Download
memory/2156-149-0x0000010648FE0000-0x0000010648FF0000-memory.dmp

Filesize
64KB

Download
memory/2156-151-0x0000010648FE0000-0x0000010648FF0000-memory.dmp

Filesize
64KB

Download
memory/2156-145-0x0000010648FE0000-0x0000010648FF0000-memory.dmp

Filesize
64KB

Download
memory/2156-146-0x0000010648FE0000-0x0000010648FF0000-memory.dmp

Filesize
64KB

Download
memory/2156-150-0x0000010648FE0000-0x0000010648FF0000-memory.dmp

Filesize
64KB

Download
memory/2748-155-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/2748-157-0x000002875ADA0000-0x000002875ADB0000-memory.dmp

Filesize
64KB

Download
memory/2748-158-0x000002875B2B0000-0x000002875B472000-memory.dmp

Filesize
1.8MB

Download
memory/2748-159-0x000002875ADA0000-0x000002875ADB0000-memory.dmp

Filesize
64KB

Download
memory/3960-148-0x0000026A630D0000-0x0000026A630E0000-memory.dmp

Filesize
64KB

Download
memory/3960-135-0x0000026A7BBC0000-0x0000026A7BBE2000-memory.dmp

Filesize
136KB

Download
memory/3960-133-0x0000026A613A0000-0x0000026A613AA000-memory.dmp

Filesize
40KB

Download
memory/3960-134-0x0000026A630D0000-0x0000026A630E0000-memory.dmp

Filesize
64KB

Download

Analysis

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