snakekeylogger | ae40f7b3fff0366f2c3f857b120d68a1b406bb0c887b515dbfb4db7efde2ff1e

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-en-20211014
submitted
25/11/2021, 06:32

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General

Target
464144898 Docs.exe
Size 636KB
Sample211125-hamvdaedfk
SHA256 551ba1376b60bc3db5419ed3bf6f174d6ed86e54aee8c85058944df5b22e525e
MD5 e84095f8df598bbc86aeb790db2c0237
SHA1 37f24497b7089b3161732d943799846617d89dab
SHA512 94010d318e52214c25683eba76e527ab89d6bc3bc1b110a9dd46ab462b19c8389bccfc0e547ef75502b8ffc21a03608a0a5c0cf0204172424d70e228de915784
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
krsmakina.com
Port
587
Username
[email protected]
Password
9Kk~b[2G^F?e

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	464144898 Docs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	464144898 Docs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	464144898 Docs.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1256 set thread context of 1520	1256	464144898 Docs.exe	36

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1256	464144898 Docs.exe
1256	464144898 Docs.exe
1256	464144898 Docs.exe
1256	464144898 Docs.exe
1256	464144898 Docs.exe
1256	464144898 Docs.exe
1256	464144898 Docs.exe
1256	464144898 Docs.exe
1520	464144898 Docs.exe
1980	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1256	464144898 Docs.exe
Token: SeDebugPrivilege	1520	464144898 Docs.exe
Token: SeDebugPrivilege	1980	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 1980	1256	464144898 Docs.exe	28
PID 1256 wrote to memory of 1980	1256	464144898 Docs.exe	28
PID 1256 wrote to memory of 1980	1256	464144898 Docs.exe	28
PID 1256 wrote to memory of 1980	1256	464144898 Docs.exe	28
PID 1256 wrote to memory of 1192	1256	464144898 Docs.exe	30
PID 1256 wrote to memory of 1192	1256	464144898 Docs.exe	30
PID 1256 wrote to memory of 1192	1256	464144898 Docs.exe	30
PID 1256 wrote to memory of 1192	1256	464144898 Docs.exe	30
PID 1256 wrote to memory of 956	1256	464144898 Docs.exe	32
PID 1256 wrote to memory of 956	1256	464144898 Docs.exe	32
PID 1256 wrote to memory of 956	1256	464144898 Docs.exe	32
PID 1256 wrote to memory of 956	1256	464144898 Docs.exe	32
PID 1256 wrote to memory of 792	1256	464144898 Docs.exe	33
PID 1256 wrote to memory of 792	1256	464144898 Docs.exe	33
PID 1256 wrote to memory of 792	1256	464144898 Docs.exe	33
PID 1256 wrote to memory of 792	1256	464144898 Docs.exe	33
PID 1256 wrote to memory of 968	1256	464144898 Docs.exe	34
PID 1256 wrote to memory of 968	1256	464144898 Docs.exe	34
PID 1256 wrote to memory of 968	1256	464144898 Docs.exe	34
PID 1256 wrote to memory of 968	1256	464144898 Docs.exe	34
PID 1256 wrote to memory of 1528	1256	464144898 Docs.exe	35
PID 1256 wrote to memory of 1528	1256	464144898 Docs.exe	35
PID 1256 wrote to memory of 1528	1256	464144898 Docs.exe	35
PID 1256 wrote to memory of 1528	1256	464144898 Docs.exe	35
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36
PID 1256 wrote to memory of 1520	1256	464144898 Docs.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	464144898 Docs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	464144898 Docs.exe

C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe
"C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AEFyQvzIHbdrf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1980
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AEFyQvzIHbdrf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8FC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1192
- C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe
  "C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe"
  2⤵
  PID:956
- C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe
  "C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe"
  2⤵
  PID:792
- C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe
  "C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe"
  2⤵
  PID:968
- C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe
  "C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe"
  2⤵
  PID:1528
- C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe
  "C:\Users\Admin\AppData\Local\Temp\464144898 Docs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1256-57-0x0000000075B71000-0x0000000075B73000-memory.dmp

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memory/1256-58-0x00000000003D0000-0x00000000003D8000-memory.dmp

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memory/1256-59-0x0000000005010000-0x0000000005011000-memory.dmp

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memory/1256-60-0x00000000042A0000-0x000000000430A000-memory.dmp

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memory/1256-55-0x0000000000240000-0x0000000000241000-memory.dmp

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memory/1520-65-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1520-66-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1520-67-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1520-68-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1520-69-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1520-71-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1520-74-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

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memory/1980-73-0x00000000023F0000-0x000000000303A000-memory.dmp

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memory/1980-75-0x00000000023F0000-0x000000000303A000-memory.dmp

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memory/1980-76-0x00000000023F0000-0x000000000303A000-memory.dmp

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