snakekeylogger | 184242c7b4ac6db3091d2f2ac4cbfc80aa4306b9e2e5a2b4d258f315b6e5d4bc

General

Target

rcontractorder.exe
Size

985KB
MD5

d79e5ae8cb5e88fefe9c626ca870c1c8
SHA1

7381a5481f7047be4853c2cbad7fe8e51964b619
SHA256

184242c7b4ac6db3091d2f2ac4cbfc80aa4306b9e2e5a2b4d258f315b6e5d4bc
SHA512

9ac62818b33104b0d3d5b42e0625d44dc9c734dceccf05354c45a72685cbbca5d8e13961996ada0e0931ebc1c32ef1a7521e10b96ef57c6d09daf0abf84618be
SSDEEP

24576:RRmJkcoQricOIQxiZY1ia7u+RhkGg9RU9:eJZoQrbTFZY1ia7ugg9RU9

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.invesxteu.info
Port:
587
Username:
[email protected]
Password:
rwe87$%21q

C2

https://api.telegram.org/bot5361912293:AAGLRU8lOnvgedEVLW84nw6uJBR8KKRq6f4/sendMessage?chat_id=5103867363

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2840-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 2428 set thread context of 2840	2428	rcontractorder.exe	31

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 2 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	rcontractorder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2840	RegSvcs.exe
2840	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2428	rcontractorder.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	RegSvcs.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe
2428	rcontractorder.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31
PID 2428 wrote to memory of 2840	2428	rcontractorder.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\rcontractorder.exe
"C:\Users\Admin\AppData\Local\Temp\rcontractorder.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\rcontractorder.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:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/2428-2-0x0000000003A70000-0x0000000003E70000-memory.dmp

Filesize
4.0MB

Download
memory/2840-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-8-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2840-9-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-10-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2840-11-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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