snakekeylogger | 3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11

General

Target

3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe
Size

943KB
MD5

8a957444b30bd6f6d4045b4633cdcb06
SHA1

5a93c152c9c461fb72df00b5fd1e05bb9b152015
SHA256

3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11
SHA512

738b25ae595316603546f7214aa14b9b22e198a4336e921d42b88f28154bc2f64017bc30c8924dcbd3d6d4704793a2c44eb8dd607e81b69a5b41fb519ac32cc1
SSDEEP

24576:mu6J33O0c+JY5UZ+XC0kGso6Fa2VBuKeueWWY:ou0c++OCvkGs9Fa2V0KeuiY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7642426347:AAGSeSxq5k4FDfR4y4K2IgfQVKVyrQbxxuY/sendMessage?chat_id=6557702940

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2220-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2220-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2220-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1060 set thread context of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30

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	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2220	RegSvcs.exe
2220	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe
1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe
1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30
PID 1060 wrote to memory of 2220	1060	3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.exe
"C:\Users\Admin\AppData\Local\Temp\3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.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:1060
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\3c5c50b3ba1fb0a871e832829b9464f2d26e67d4cf99da936b1642663173fd11.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:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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/1060-11-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download
memory/2220-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2220-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2220-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2220-17-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/2220-18-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-19-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/2220-20-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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