snakekeylogger | a1d5e7e9410ec987b5399ae5f8f970b5e051efc97307188f02572ecdd7b9f516

General

Target

VSP469620.exe
Size

983KB
MD5

b8204c2309bbbaf3473266f2dcf3851e
SHA1

65d51529e0698579378a26d537b6d0d4b6602e5a
SHA256

a1d5e7e9410ec987b5399ae5f8f970b5e051efc97307188f02572ecdd7b9f516
SHA512

3db8f19c13fec07cf4542446f9d15e62b0c1c4af4efd200bfe8f99662f145aef04ea75599c7c4a5802b4ef993990d7cc663b9ba7b6e8957a9ab7c4961fe9cfe6
SSDEEP

24576:9tb20pkaCqT5TBWgNQ7anGrAEKqFf76A:uVg5tQ7anGrALID5

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7591642187:AAF3F6-zxp3HwWsP9s4_QJW4W-aEGhjsvDI/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/756-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/756-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/756-9-0x0000000000400000-0x0000000000426000-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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
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

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 2092 set thread context of 756	2092	VSP469620.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	VSP469620.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
756	RegSvcs.exe
756	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2092	VSP469620.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30
PID 2092 wrote to memory of 756	2092	VSP469620.exe	30

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\VSP469620.exe
"C:\Users\Admin\AppData\Local\Temp\VSP469620.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\VSP469620.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:756

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/756-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/756-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/756-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/756-12-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/756-13-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/756-14-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/756-15-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2092-6-0x0000000000B50000-0x0000000000F50000-memory.dmp

Filesize
4.0MB

Download

Analysis

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