snakekeylogger | 66701f767a4daa10d667500feaa7aed5448ec49c2059a7bd4bea4b5b6f30cd22

General

Target

Ealho.exe
Size

9KB
MD5

05565d31314385712fbdd9817995654f
SHA1

1040a93c8875f02a6821dc816c570fc6559d81ce
SHA256

66701f767a4daa10d667500feaa7aed5448ec49c2059a7bd4bea4b5b6f30cd22
SHA512

7a19d1325adfdceca55569aa1cae3f88117f02ce6be4e9f61a43bfd31783432ea9888987b40a50b0e9e1e2bbfcbdd86245db57ddb02df8aa254dc5c85b40a561
SSDEEP

96:Tdk0bLDwuZCDwVAeHWGbiYyX+7s0iitl5dj7Pqkh9V7VX9Y35xjL2HO0EUTszNt:TpDTTOTX+7sI7KAOXLAW

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5542941782:AAFlsn_FCfYT7D_ZthXK_Udd4a15AE58_Wg/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/2460-143-0x0000000000400000-0x0000000000426000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	Ealho.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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
33	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5076 set thread context of 2460	5076	Ealho.exe	90

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4796	powershell.exe
4796	powershell.exe
2460	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	Ealho.exe
Token: SeDebugPrivilege	4796	powershell.exe
Token: SeDebugPrivilege	2460	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4796	5076	Ealho.exe	84
PID 5076 wrote to memory of 4796	5076	Ealho.exe	84
PID 5076 wrote to memory of 4796	5076	Ealho.exe	84
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90
PID 5076 wrote to memory of 2460	5076	Ealho.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Ealho.exe
"C:\Users\Admin\AppData\Local\Temp\Ealho.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2460

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

Replay Monitor

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Downloads

memory/2460-148-0x0000000005ED0000-0x0000000005EDA000-memory.dmp

Filesize
40KB

Download
memory/2460-147-0x0000000006120000-0x00000000061B2000-memory.dmp

Filesize
584KB

Download
memory/2460-146-0x0000000005F50000-0x0000000006112000-memory.dmp

Filesize
1.8MB

Download
memory/2460-145-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

Filesize
624KB

Download
memory/2460-144-0x0000000005450000-0x00000000059F4000-memory.dmp

Filesize
5.6MB

Download
memory/2460-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4796-136-0x0000000005780000-0x0000000005DA8000-memory.dmp

Filesize
6.2MB

Download
memory/4796-140-0x0000000007C30000-0x00000000082AA000-memory.dmp

Filesize
6.5MB

Download
memory/4796-141-0x0000000006AA0000-0x0000000006ABA000-memory.dmp

Filesize
104KB

Download
memory/4796-139-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/4796-138-0x0000000005F80000-0x0000000005FE6000-memory.dmp

Filesize
408KB

Download
memory/4796-137-0x0000000005E20000-0x0000000005E86000-memory.dmp

Filesize
408KB

Download
memory/4796-135-0x0000000005000000-0x0000000005036000-memory.dmp

Filesize
216KB

Download
memory/5076-132-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/5076-133-0x00000000058B0000-0x00000000058D2000-memory.dmp

Filesize
136KB

Download

Analysis

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