snakekeylogger | ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea

General

Target

8038.exe
Size

942KB
MD5

eea62ff363757124e1dc52e2d73a4595
SHA1

92716a1f8b0b7f2cbe6a09057e45c510587affd0
SHA256

ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea
SHA512

1f3164818109c48aba0e122293234a6f8c232770195f18172a855222cfb31f684cb1740492081bf3ac8eb0e86328a02f441d7ecaf156ba874250a8ba500422e7
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLRQdDQYZ6DO42c/yRUpsFJF:ffmMv6Ckr7Mny5QLRQdDlZ664l/ySpsp

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7887381131:AAH4jHJ7Kc0dolQ_x2jW8rTr7XHsdKKLTaM/sendMessage?chat_id=6557702940

Signatures

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

Snake Keylogger payload 4 IoCs

resource	yara_rule
behavioral1/memory/2564-12-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2564-9-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2564-5-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2564-4-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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 2280 set thread context of 2564	2280	8038.exe	30

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	8038.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2564	RegSvcs.exe
2564	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2280	8038.exe
2280	8038.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2564	2280	8038.exe	30
PID 2280 wrote to memory of 2564	2280	8038.exe	30
PID 2280 wrote to memory of 2564	2280	8038.exe	30
PID 2280 wrote to memory of 2564	2280	8038.exe	30
PID 2280 wrote to memory of 2564	2280	8038.exe	30
PID 2280 wrote to memory of 2564	2280	8038.exe	30
PID 2280 wrote to memory of 2564	2280	8038.exe	30
PID 2280 wrote to memory of 2564	2280	8038.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\8038.exe
"C:\Users\Admin\AppData\Local\Temp\8038.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\8038.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:2564

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

Loading Replay Monitor...

Downloads

memory/2280-2-0x0000000003B40000-0x0000000003D40000-memory.dmp

Filesize
2.0MB

Download
memory/2564-12-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2564-9-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2564-5-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2564-4-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2564-13-0x000000007376E000-0x000000007376F000-memory.dmp

Filesize
4KB

Download
memory/2564-14-0x0000000073760000-0x0000000073E4E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-15-0x000000007376E000-0x000000007376F000-memory.dmp

Filesize
4KB

Download
memory/2564-16-0x0000000073760000-0x0000000073E4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing