snakekeylogger | f74aa66c0a64b0bc95576d70551981e1d0e65de9662885cb4dde19e81bce76e2

General

Target

kduYCOzG3unrjuS.exe
Size

971KB
MD5

d3a0ba21324645f871848f12087c22f8
SHA1

465af54531dbf6f506429c64ab89bebb217ca63e
SHA256

f74aa66c0a64b0bc95576d70551981e1d0e65de9662885cb4dde19e81bce76e2
SHA512

0e0c09f95b7bce088bbc0ccba42462c7812dad9a9becc92f4bba96e2d291c2fde4a99ee5bdda1ab56487439a1240da8ecd02db25f8a086730050d866deee3bc9
SSDEEP

24576:LQaHUIAwQ3L+TziY36qAMBiFbwH4yyzim0CY8iMo6bt:kaHUIAwS9GCuH4yyg8iMJ

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8146065464:AAFmO8RMLpJgd1BLjqm9MO8V-EzP0a6-JD4/sendMessage?chat_id=6306771742

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2344-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-15-0x0000000000400000-0x0000000000426000-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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
9	reallyfreegeoip.org
10	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2344	2988	kduYCOzG3unrjuS.exe	31

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	kduYCOzG3unrjuS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2344	RegSvcs.exe
2344	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31
PID 2988 wrote to memory of 2344	2988	kduYCOzG3unrjuS.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\kduYCOzG3unrjuS.exe
"C:\Users\Admin\AppData\Local\Temp\kduYCOzG3unrjuS.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- 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:2344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2344-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2344-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2344-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2344-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-20-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-19-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2344-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2344-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2344-21-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2988-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2988-1-0x0000000000C10000-0x0000000000D08000-memory.dmp

Filesize
992KB

Download
memory/2988-18-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-6-0x00000000001B0000-0x000000000021A000-memory.dmp

Filesize
424KB

Download
memory/2988-5-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-4-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2988-3-0x00000000003C0000-0x00000000003DE000-memory.dmp

Filesize
120KB

Download

Analysis

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