snakekeylogger | 85ba590703be8d34e03c30174d9998a460e19344f4fadcd85e964a7f3d8a03e3

General

Target

MSDS.exe
Size

757KB
MD5

384a95dec71c1e1ed31fdc9ad73a2cc9
SHA1

2a8ac435a88370321fed8c1b926c2a0776432390
SHA256

85ba590703be8d34e03c30174d9998a460e19344f4fadcd85e964a7f3d8a03e3
SHA512

9f7e80ae4ae33cdd7c35cf4c1da08640cd83156628a9f8222fe58884366b79e42cad4798826076506ad2aa3fff3462ef0c577e52f955baec453807e8fde49297
SSDEEP

12288:FA5CB0OOJBefPNJSigcqFEVSKyZXV+U2KhMLKnVexXXEnMuI0jtARUiIMso+aSrp:FA5aIJBefPn66vIMZLKnYXVuyRHa1D

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
}eQA)VL2!$V}

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/276-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/276-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/276-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/276-77-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/276-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1148-78-0x0000000002640000-0x0000000002680000-memory.dmp	family_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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSDS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSDS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSDS.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 1976 set thread context of 276	1976	MSDS.exe	33

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
1144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1976	MSDS.exe
1976	MSDS.exe
1976	MSDS.exe
1976	MSDS.exe
276	MSDS.exe
1148	powershell.exe
276	MSDS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	MSDS.exe
Token: SeDebugPrivilege	276	MSDS.exe
Token: SeDebugPrivilege	1148	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1148	1976	MSDS.exe	28
PID 1976 wrote to memory of 1148	1976	MSDS.exe	28
PID 1976 wrote to memory of 1148	1976	MSDS.exe	28
PID 1976 wrote to memory of 1148	1976	MSDS.exe	28
PID 1976 wrote to memory of 1144	1976	MSDS.exe	30
PID 1976 wrote to memory of 1144	1976	MSDS.exe	30
PID 1976 wrote to memory of 1144	1976	MSDS.exe	30
PID 1976 wrote to memory of 1144	1976	MSDS.exe	30
PID 1976 wrote to memory of 1632	1976	MSDS.exe	32
PID 1976 wrote to memory of 1632	1976	MSDS.exe	32
PID 1976 wrote to memory of 1632	1976	MSDS.exe	32
PID 1976 wrote to memory of 1632	1976	MSDS.exe	32
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33
PID 1976 wrote to memory of 276	1976	MSDS.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSDS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSDS.exe

C:\Users\Admin\AppData\Local\Temp\MSDS.exe
"C:\Users\Admin\AppData\Local\Temp\MSDS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qjpslZJuuhF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1148
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qjpslZJuuhF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF98.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1144
- C:\Users\Admin\AppData\Local\Temp\MSDS.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDS.exe"
  2⤵
  PID:1632
- C:\Users\Admin\AppData\Local\Temp\MSDS.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDS.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:276

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBF98.tmp

Filesize
1KB

MD5
743c91dc72946770bcc84f3aeb6868f1

SHA1
e17dfd072da70b8a4a006287b3984744ce0887b8

SHA256
e168dd2584cbe5752c62ff43cbf8feb590c94d8af79c7958bd643eca11a8187a

SHA512
b112ccaeff4c6608e5b3f7975740cd95034f7f115960e7963a7467205db137673986d2b6e338187e68ae2944b0b5c3d8e4c23ed0937c6afb77c08d7151f24903

Download Submit
memory/276-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/276-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/276-75-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/276-77-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/276-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/276-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/276-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/276-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1148-78-0x0000000002640000-0x0000000002680000-memory.dmp

Filesize
256KB

Download
memory/1976-59-0x0000000005680000-0x0000000005722000-memory.dmp

Filesize
648KB

Download
memory/1976-67-0x0000000001230000-0x0000000001258000-memory.dmp

Filesize
160KB

Download
memory/1976-56-0x0000000000530000-0x0000000000550000-memory.dmp

Filesize
128KB

Download
memory/1976-54-0x0000000001310000-0x00000000013D2000-memory.dmp

Filesize
776KB

Download
memory/1976-55-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/1976-58-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download
memory/1976-57-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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