snakekeylogger | 136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4

General

Target

136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
Size

537KB
MD5

930955d0b312fc683f0481fe7e1ea2f3
SHA1

f45109d7a4d6efec3ca0d7f446475e1e9f1798e6
SHA256

136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4
SHA512

2166e575e9869e257b6894299ef5241b779f348a887e056fc1c2c9ffbe80757a0a0b0be5eb9b135ddad3ea556bcdd106ec8eae2f223cae540206459333add4fd
SSDEEP

12288:4S8bQbddyK0Bopoa89nadgPlW1sDlZnLlpO0PHlS:4hIzyKIK0adgr5ZppO0I

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/2348-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2348-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2348-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2348-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2348-18-0x0000000000400000-0x0000000000426000-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
2540	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.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 1728 set thread context of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32

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	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
2348	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
2540	powershell.exe
2348	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2348	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
Token: SeDebugPrivilege	2348	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
Token: SeDebugPrivilege	2540	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2540	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	30
PID 1728 wrote to memory of 2540	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	30
PID 1728 wrote to memory of 2540	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	30
PID 1728 wrote to memory of 2540	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	30
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32
PID 1728 wrote to memory of 2348	1728	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe

C:\Users\Admin\AppData\Local\Temp\136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
"C:\Users\Admin\AppData\Local\Temp\136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- 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\136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2540
- C:\Users\Admin\AppData\Local\Temp\136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe
  "C:\Users\Admin\AppData\Local\Temp\136351dfc04d6749ec6922958903035b80e7bfcb2eee7527e9fdf72bcd8561e4.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2348

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/1728-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x0000000000DC0000-0x0000000000E4C000-memory.dmp

Filesize
560KB

Download
memory/1728-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-3-0x0000000000310000-0x0000000000322000-memory.dmp

Filesize
72KB

Download
memory/1728-4-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/1728-5-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-6-0x00000000047C0000-0x0000000004828000-memory.dmp

Filesize
416KB

Download
memory/1728-21-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2348-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2348-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-20-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2348-19-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2348-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-24-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2348-25-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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