snakekeylogger | f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee

General

Target

f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
Size

715KB
MD5

35e0396ebde8f6d11e45f398ea0bbc22
SHA1

0854342c7c67e459ce51b913a5ff37368d7afaaf
SHA256

f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee
SHA512

ae2eb2cabfea0a377d3770abd5b1919552b9eadb2c2cb2317d090417414f6835cf77c9c4380bbe13f5bc7774a357ea4a6a0f424738f78fc8e7fa5475184115da
SSDEEP

12288:4Tv8CCDmr86qJEqwz6WOfZj1cLvmj+hhV1BUwngO:Uv8Lqv8cLvJhhV1B3ng

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/304-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/304-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/304-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/304-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/304-19-0x0000000000400000-0x0000000000426000-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
2140	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.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 1720 set thread context of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33

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	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
304	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
2140	powershell.exe
304	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
Token: SeDebugPrivilege	304	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
Token: SeDebugPrivilege	2140	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2140	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	31
PID 1720 wrote to memory of 2140	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	31
PID 1720 wrote to memory of 2140	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	31
PID 1720 wrote to memory of 2140	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	31
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33
PID 1720 wrote to memory of 304	1720	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe

C:\Users\Admin\AppData\Local\Temp\f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
"C:\Users\Admin\AppData\Local\Temp\f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
- 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\f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2140
- C:\Users\Admin\AppData\Local\Temp\f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.exe
  "C:\Users\Admin\AppData\Local\Temp\f25dc80bfc742a0e8091d216ecbc033d93e71d43b31bbefb3ec9ef6cfc637cee.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:304

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/304-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/304-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/304-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/304-27-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/304-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/304-24-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/304-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/304-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/304-28-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/304-22-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/304-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/304-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1720-5-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-23-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-6-0x0000000000A50000-0x0000000000AB8000-memory.dmp

Filesize
416KB

Download
memory/1720-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/1720-1-0x0000000000E00000-0x0000000000EB8000-memory.dmp

Filesize
736KB

Download
memory/1720-4-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/1720-3-0x0000000000620000-0x000000000063E000-memory.dmp

Filesize
120KB

Download
memory/1720-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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