snakekeylogger | 03461c2a07431aed5ff68bbcf42d7ef82f32190b44ba140befd3f474614b5f3d

General

Target

taskhostws.exe
Size

938KB
MD5

b47e4f366b08fe509c2a8f9ee7251f51
SHA1

3338dd3e335d1e8e6ee0d4c0c607248d333c25c1
SHA256

03461c2a07431aed5ff68bbcf42d7ef82f32190b44ba140befd3f474614b5f3d
SHA512

277032b371ca4992657c172995186b4593197a91c784e84b1b5652478d462b84792e8b10480ecf0eb05e4ce4130575c59f0f14d197d4e0d77c70c0bd6989aaec
SSDEEP

24576:ffmMv6Ckr7Mny5QLLxANAeGFvgGZ7O1nk5ns:f3v+7/5QLtWAeG6GUC5ns

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7913958792:AAFOhfKo5L7M50XG6odxxQQwJAeD3zGEuJU/sendMessage?chat_id=7004340450

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4384-3-0x0000000000770000-0x0000000000796000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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
15	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4568 set thread context of 4384	4568	taskhostws.exe	87

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4384	RegSvcs.exe
4384	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4568	taskhostws.exe
4568	taskhostws.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4384	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4568	taskhostws.exe
4568	taskhostws.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4568	taskhostws.exe
4568	taskhostws.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4384	4568	taskhostws.exe	87
PID 4568 wrote to memory of 4384	4568	taskhostws.exe	87
PID 4568 wrote to memory of 4384	4568	taskhostws.exe	87
PID 4568 wrote to memory of 4384	4568	taskhostws.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\taskhostws.exe
"C:\Users\Admin\AppData\Local\Temp\taskhostws.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\taskhostws.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:4384

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

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Downloads

memory/4384-3-0x0000000000770000-0x0000000000796000-memory.dmp

Filesize
152KB

Download
memory/4384-4-0x00000000752FE000-0x00000000752FF000-memory.dmp

Filesize
4KB

Download
memory/4384-5-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/4384-6-0x0000000004DD0000-0x0000000004E6C000-memory.dmp

Filesize
624KB

Download
memory/4384-7-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4384-8-0x00000000752FE000-0x00000000752FF000-memory.dmp

Filesize
4KB

Download
memory/4384-9-0x0000000005F90000-0x0000000005FE0000-memory.dmp

Filesize
320KB

Download
memory/4384-10-0x00000000061B0000-0x0000000006372000-memory.dmp

Filesize
1.8MB

Download
memory/4384-11-0x0000000006080000-0x0000000006112000-memory.dmp

Filesize
584KB

Download
memory/4384-12-0x0000000006040000-0x000000000604A000-memory.dmp

Filesize
40KB

Download
memory/4384-13-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4568-2-0x0000000003FF0000-0x00000000041F0000-memory.dmp

Filesize
2.0MB

Download

Analysis

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