snakekeylogger | d6b55f9a2ba4d6af0dc95d605e7bf7183c50128f5e1a4ce989c8aeef42d06d45

General

Target

MTO of Valves balongan minus.exe
Size

723KB
MD5

e8ac142097057e54c67c573ffc4b5200
SHA1

e853bad28e0fabc35e2a14788a6bde6fd28095c1
SHA256

ae07c4e8171fb3f7b72d667d9af8924f762d92ff71d1264c9afec1a7dfbc604d
SHA512

904be41ed9d42e2de44e3c43d200eab88b068a4789cebf0180a636bdc9eb6f775ca809050b0f06b86b7d7c477848bd117840013c84b1a446ee53cb6da86affa9
SSDEEP

12288:+lE9vdcyerVbCx3YNgn0QH72F3JfMNtGVp6yLUYKw7/vAWwFiacwdiHUJ1t6rR:WE9verVbCx3YNgngRppj7/EwacwQ0Jr6

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2748-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2728	powershell.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MTO of Valves balongan minus.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MTO of Valves balongan minus.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MTO of Valves balongan minus.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 1712 set thread context of 2748	1712	MTO of Valves balongan minus.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 3 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	MTO of Valves balongan minus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MTO of Valves balongan minus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1712	MTO of Valves balongan minus.exe
1712	MTO of Valves balongan minus.exe
2748	MTO of Valves balongan minus.exe
2728	powershell.exe
2748	MTO of Valves balongan minus.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	MTO of Valves balongan minus.exe
Token: SeDebugPrivilege	2748	MTO of Valves balongan minus.exe
Token: SeDebugPrivilege	2728	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2728	1712	MTO of Valves balongan minus.exe	29
PID 1712 wrote to memory of 2728	1712	MTO of Valves balongan minus.exe	29
PID 1712 wrote to memory of 2728	1712	MTO of Valves balongan minus.exe	29
PID 1712 wrote to memory of 2728	1712	MTO of Valves balongan minus.exe	29
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31
PID 1712 wrote to memory of 2748	1712	MTO of Valves balongan minus.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MTO of Valves balongan minus.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MTO of Valves balongan minus.exe

C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe
"C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe
  "C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.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:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1712-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/1712-1-0x00000000012F0000-0x00000000013AC000-memory.dmp

Filesize
752KB

Download
memory/1712-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-3-0x0000000000310000-0x0000000000322000-memory.dmp

Filesize
72KB

Download
memory/1712-4-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/1712-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-6-0x0000000005330000-0x00000000053AC000-memory.dmp

Filesize
496KB

Download
memory/1712-19-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-18-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-20-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-23-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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