snakekeylogger | 46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32

General

Target

46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe
Size

478KB
MD5

afdc908cc5972fc98ea8d8c1ec6a1a20
SHA1

2a53ca86feb606238bfc1e0d33e18560b198a069
SHA256

46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32
SHA512

03ba6516cf7b27ace802c35a0129eebe0d21bebb38cecf46875883d71d0f6253c9748fd7fb1e474e74049c752382fc111e27f037fbaa32ab7c1a8856e80270cf
SSDEEP

12288:ams10/1QwuU3B+WoJwqIQXuYc8AbiRR7EujnkmHs+ElAdV/feinF:aS1XzR5ouqISAGzf/feKF

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7924749806:AAG-WJhqQVHwMR7UVUYahs5tVC-3tNXnruE/sendMessage?chat_id=7009913093

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2400-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2400-6-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2400-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2400-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2400-11-0x0000000000400000-0x0000000000426000-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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.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 3060 set thread context of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32

System Location Discovery: System Language Discovery 1 TTPs 1 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	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2400	installutil.exe
2400	installutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	installutil.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2400	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	32
PID 3060 wrote to memory of 2628	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	33
PID 3060 wrote to memory of 2628	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	33
PID 3060 wrote to memory of 2628	3060	46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

C:\Users\Admin\AppData\Local\Temp\46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe
"C:\Users\Admin\AppData\Local\Temp\46c26cc083a8e984e06a2e1e670487f60e1c340b819ce566ca349ca04d01ec32.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.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:2400
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3060 -s 620
  2⤵
  PID:2628

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/2400-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-18-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-17-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2400-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2400-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-15-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-14-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2400-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3060-1-0x0000000000890000-0x000000000090A000-memory.dmp

Filesize
488KB

Download
memory/3060-2-0x00000000006F0000-0x000000000076A000-memory.dmp

Filesize
488KB

Download
memory/3060-16-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

Download
memory/3060-3-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

Download
memory/3060-0-0x000007FEF5873000-0x000007FEF5874000-memory.dmp

Filesize
4KB

Download

Analysis

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