snakekeylogger | ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea

General

Target

ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.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 3 IoCs

resource	yara_rule
behavioral1/memory/2040-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2040-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2040-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\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 572 set thread context of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.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	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2040	RegSvcs.exe
2040	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30
PID 572 wrote to memory of 2040	572	ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe
"C:\Users\Admin\AppData\Local\Temp\ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\ef52c9a19d3b35f63eb2b85cc82cff61c9ff6c828d99c9adbe120fa568e111ea.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:2040

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/572-2-0x0000000003380000-0x0000000003580000-memory.dmp

Filesize
2.0MB

Download
memory/2040-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2040-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2040-8-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2040-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2040-9-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2040-10-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2040-11-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing