snakekeylogger | 1d80a3621d8d936a6a5d902ff6158705b950346031b233274b9707a6e430df3a

General

Target

8038.exe
Size

938KB
MD5

474fe2de28e815dcd525a3189150c7d8
SHA1

9d854ffaaac15bf2d135feb419a1de6420ce5f67
SHA256

1d80a3621d8d936a6a5d902ff6158705b950346031b233274b9707a6e430df3a
SHA512

606eae85305cd7a2ec6c577afe7af6a852400a89c133912c6708ec4a16440ef191f2fde657ae893ef927104c847d4cb8bf037441b5012e52be5ee62089f43cce
SSDEEP

24576:ffmMv6Ckr7Mny5QLQdw3Zi4OfCvltztQgI:f3v+7/5QLhJAfCvl8v

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7887381131:AAH4jHJ7Kc0dolQ_x2jW8rTr7XHsdKKLTaM/sendMessage?chat_id=6557702940

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/3052-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3052-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3052-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1620 set thread context of 3052	1620	8038.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8038.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3052	RegSvcs.exe
3052	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1620	8038.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 3052	1620	8038.exe	30
PID 1620 wrote to memory of 3052	1620	8038.exe	30
PID 1620 wrote to memory of 3052	1620	8038.exe	30
PID 1620 wrote to memory of 3052	1620	8038.exe	30
PID 1620 wrote to memory of 3052	1620	8038.exe	30
PID 1620 wrote to memory of 3052	1620	8038.exe	30
PID 1620 wrote to memory of 3052	1620	8038.exe	30
PID 1620 wrote to memory of 3052	1620	8038.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\8038.exe
"C:\Users\Admin\AppData\Local\Temp\8038.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\8038.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1620-2-0x00000000033C0000-0x00000000037C0000-memory.dmp

Filesize
4.0MB

Download
memory/3052-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3052-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3052-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3052-8-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/3052-9-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/3052-10-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/3052-11-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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