snakekeylogger | 29748957e43758e0a59ec98a377f55bbdd4f25fdd4ba10bae8d6ec997f580d1e

General

Target

Hjhkcx.scr
Size

2.0MB
MD5

8ba4d8afe4e893752efe87e60ca906c7
SHA1

3ef4ad6579868be2cb954a02003e5838e7195d50
SHA256

29748957e43758e0a59ec98a377f55bbdd4f25fdd4ba10bae8d6ec997f580d1e
SHA512

687932d3ad807589e254b3c89e7f77cc8d10e1275c05e0673fa26c58de037979cb75263cc3b1b8ded890b65508f94274255e3b76d828a9a73afb374c7295b4ad

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5599749594:AAH_jG8ISPD--cSrsStzuOm8r68iVeJzryU/sendMessage?chat_id=2054148913

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/660-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/660-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/660-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/660-69-0x000000000042015E-mapping.dmp	family_snakekeylogger
behavioral1/memory/660-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/660-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\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.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Hjhkcx.scr

description pid process target process

PID 1908 set thread context of 660 1908 Hjhkcx.scr MSBuild.exe
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

Processes:

powershell.exeHjhkcx.scrMSBuild.exe

pid process

1640 powershell.exe
1908 Hjhkcx.scr
660 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Hjhkcx.scrpowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1908 Hjhkcx.scr
Token: SeDebugPrivilege 1640 powershell.exe
Token: SeDebugPrivilege 660 MSBuild.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1908 set thread context of 660	1908	Hjhkcx.scr	MSBuild.exe

pid	process
1640	powershell.exe
1908	Hjhkcx.scr
660	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1908	Hjhkcx.scr
Token: SeDebugPrivilege	1640	powershell.exe
Token: SeDebugPrivilege	660	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Hjhkcx.scr

description	pid	process	target process
PID 1908 wrote to memory of 1640	1908	Hjhkcx.scr	powershell.exe
PID 1908 wrote to memory of 1640	1908	Hjhkcx.scr	powershell.exe
PID 1908 wrote to memory of 1640	1908	Hjhkcx.scr	powershell.exe
PID 1908 wrote to memory of 1640	1908	Hjhkcx.scr	powershell.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe
PID 1908 wrote to memory of 660	1908	Hjhkcx.scr	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Hjhkcx.scr
"C:\Users\Admin\AppData\Local\Temp\Hjhkcx.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAOAAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1640
- 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:660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/660-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/660-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/660-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/660-69-0x000000000042015E-mapping.dmp

Download
memory/660-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/660-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/660-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/660-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1640-57-0x0000000000000000-mapping.dmp

Download
memory/1640-61-0x000000006EFB0000-0x000000006F55B000-memory.dmp

Filesize
5.7MB

Download
memory/1640-60-0x000000006EFB0000-0x000000006F55B000-memory.dmp

Filesize
5.7MB

Download
memory/1640-59-0x000000006EFB0000-0x000000006F55B000-memory.dmp

Filesize
5.7MB

Download
memory/1908-54-0x0000000000B80000-0x0000000000D90000-memory.dmp

Filesize
2.1MB

Download
memory/1908-56-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/1908-55-0x0000000004910000-0x0000000004B1E000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads