snakekeylogger | 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364

General

Target

taskhostw.exe
Size

931KB
MD5

58ff14d476f2bbaab31b12587c09559e
SHA1

ea9c7ce65a67f2a2d4e1ca4a2c3ac6785021fc94
SHA256

1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364
SHA512

a75d4bd80620a9441783131812780397fb0c3b1c6d6b9147d65ece23d9cc9384c148f6c491794cfbc012c290e3266e06a76357b84141b843929a295c2649613a
SSDEEP

24576:ffmMv6Ckr7Mny5QLiFrZo5cPsD+tOM5m4dxEMP:f3v+7/5QLiFrZycPBOP6Eg

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.purityontap.com
Port:
587
Username:
[email protected]
Password:
mail55
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2536-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2536-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2536-4-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\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 2304 set thread context of 2536	2304	taskhostw.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	taskhostw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2536	RegSvcs.exe
2536	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2304	taskhostw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30
PID 2304 wrote to memory of 2536	2304	taskhostw.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\taskhostw.exe
"C:\Users\Admin\AppData\Local\Temp\taskhostw.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\taskhostw.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:2536

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

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Downloads

memory/2304-2-0x0000000003AA0000-0x0000000003CA0000-memory.dmp

Filesize
2.0MB

Download
memory/2536-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2536-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2536-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2536-8-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/2536-9-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-10-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/2536-11-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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