snakekeylogger | dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01e

General

Target

dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe
Size

526KB
MD5

d25d303ca9ec88e005cbab9f35d4d210
SHA1

3c037df248b5b25e139cc7fc6142e6cd371446a3
SHA256

dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01e
SHA512

fe416e58f5f32c7807bba84bd3c33376130a841e89afc7b4c3fd10d38c779d1fb1636a4f85501d69e99e8b9aca06ec65538667daa64ccdb259522e584feb00c1
SSDEEP

12288:xf0D4BQWzdAUxsfSWSLne4ZdzkpnRmkYwhX83X4Nu1jW:xhQQZxmoze47KRmkYwxmXk6S

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6515689087:AAEnerpIS1xuf83Wz7mf2-PPkvlmor9Mt7U/sendMessage?chat_id=1015404316

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1948-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2596	powershell.exe
2616	powershell.exe

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	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 2468 set thread context of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36

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 5 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	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe
2596	powershell.exe
2616	powershell.exe
2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe
1948	RegSvcs.exe
1948	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	1948	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2596	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	30
PID 2468 wrote to memory of 2596	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	30
PID 2468 wrote to memory of 2596	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	30
PID 2468 wrote to memory of 2596	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	30
PID 2468 wrote to memory of 2616	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	32
PID 2468 wrote to memory of 2616	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	32
PID 2468 wrote to memory of 2616	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	32
PID 2468 wrote to memory of 2616	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	32
PID 2468 wrote to memory of 2676	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	34
PID 2468 wrote to memory of 2676	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	34
PID 2468 wrote to memory of 2676	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	34
PID 2468 wrote to memory of 2676	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	34
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36
PID 2468 wrote to memory of 1948	2468	dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe	36

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	RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe
"C:\Users\Admin\AppData\Local\Temp\dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2468
- 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\dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01eN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xPtoEZCT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2616
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xPtoEZCT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp71E5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2676
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:1948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp71E5.tmp

Filesize
1KB

MD5
ce737f291d7009e672a3b3ea944a4ea2

SHA1
3e556c69a1052905d33bf79f6c37dca82a607ab0

SHA256
07fd7a42dae615fa6e475d0f27bbbeb0e99094e5dd84475a3b59a3e0340cd1ad

SHA512
bccd16c08c05cfd7a8451c1a665a16e0c528b01c1ee036d797c93cfb306bce734b891c9fafcb2208845c11d3bec8b0cd4b0baf7e606eb05df9554dcbd122709a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
314555d7768589692744dfc5978407bb

SHA1
39eac6ae39102f59c56b2cafe2803714eebbb6df

SHA256
6610c0741b41ad6afede44e9f48721347d13846cf7802e364d54c98faceac952

SHA512
f34112f74e6c3df53226f9f566cd872c0437237feded512fdc95093c599c3283e0f75df0f41fd9353e3bcc85063c14e6c13c481c66b0ac8f74920bea44b8f00b

Download Submit
memory/1948-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1948-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2468-6-0x00000000050F0000-0x0000000005158000-memory.dmp

Filesize
416KB

Download
memory/2468-1-0x00000000013A0000-0x000000000142A000-memory.dmp

Filesize
552KB

Download
memory/2468-0-0x000000007417E000-0x000000007417F000-memory.dmp

Filesize
4KB

Download
memory/2468-2-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2468-3-0x0000000000660000-0x0000000000678000-memory.dmp

Filesize
96KB

Download
memory/2468-5-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2468-4-0x000000007417E000-0x000000007417F000-memory.dmp

Filesize
4KB

Download
memory/2468-31-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads