snakekeylogger | e82aa9f8f95f53d306db35e28e6fdd4dd16eba7d7437971f929d3cf5470267b7

General

Target

file.exe
Size

935KB
MD5

daaa8ac3995fb610eda2e52a639d191f
SHA1

2a26a631b79878c461248d5c03a33fb312aedb05
SHA256

e82aa9f8f95f53d306db35e28e6fdd4dd16eba7d7437971f929d3cf5470267b7
SHA512

808c18d514439aead5759bd3d1bfbfb1b31cfb6c03a147db8525aa8f7dec30fb4b73a12b4e4310f97b9917f6513594d917184434f49ff9a5ee1870c46ae75157
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL2wiaLQQbtWvZNrtLFAL6B2meNN0d:ffmMv6Ckr7Mny5QLL5b4l5N2mxd

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7913958792:AAFOhfKo5L7M50XG6odxxQQwJAeD3zGEuJU/sendMessage?chat_id=7004340450

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2876-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2876-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2876-4-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\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 540 set thread context of 2876	540	file.exe	31

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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2876	RegSvcs.exe
2876	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
540	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2876	540	file.exe	31
PID 540 wrote to memory of 2876	540	file.exe	31
PID 540 wrote to memory of 2876	540	file.exe	31
PID 540 wrote to memory of 2876	540	file.exe	31
PID 540 wrote to memory of 2876	540	file.exe	31
PID 540 wrote to memory of 2876	540	file.exe	31
PID 540 wrote to memory of 2876	540	file.exe	31
PID 540 wrote to memory of 2876	540	file.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\file.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:2876

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

Replay Monitor

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Downloads

memory/540-2-0x0000000002D60000-0x0000000002F60000-memory.dmp

Filesize
2.0MB

Download
memory/2876-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-8-0x000000007400E000-0x000000007400F000-memory.dmp

Filesize
4KB

Download
memory/2876-9-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-10-0x000000007400E000-0x000000007400F000-memory.dmp

Filesize
4KB

Download
memory/2876-11-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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