snakekeylogger | 84e348e49442b996738cb0d3d4fcd275e3db781fe805045e139736d9eeeca695

General

Target

Zasneipp.exe
Size

7KB
MD5

c035e1bc5f37c474441db456d903eea0
SHA1

bc6992a6e31b6d67b6732c142ec47bebde49fee1
SHA256

84e348e49442b996738cb0d3d4fcd275e3db781fe805045e139736d9eeeca695
SHA512

845f22b8b4f6a75d96f63e5546c7f719de57d54b4f15a9789f4156e1156fb6fbe54d61aded8da54a1ef0e8e2d9e55192f18ee032d43d1f2c6c5fd675a3150373
SSDEEP

96:iUBTdcgDszgY1KsXrXhRQYYB3Tt4BtEkdexegbFnU:iUBhUdRQYYFGzAkZ

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5824924248:AAF4WKjJ8FxpNsC2HwCM114EP_g8rFkC4wQ/sendMessage?chat_id=2054148913

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2616-143-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	Zasneipp.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
24	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 2616	4712	Zasneipp.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1816	powershell.exe
1816	powershell.exe
2616	MSBuild.exe
2616	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	Zasneipp.exe
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeDebugPrivilege	2616	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 1816	4712	Zasneipp.exe	81
PID 4712 wrote to memory of 1816	4712	Zasneipp.exe	81
PID 4712 wrote to memory of 1816	4712	Zasneipp.exe	81
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87
PID 4712 wrote to memory of 2616	4712	Zasneipp.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Zasneipp.exe
"C:\Users\Admin\AppData\Local\Temp\Zasneipp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1816
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1816-140-0x0000000007A50000-0x00000000080CA000-memory.dmp

Filesize
6.5MB

Download
memory/1816-136-0x0000000005420000-0x0000000005A48000-memory.dmp

Filesize
6.2MB

Download
memory/1816-139-0x0000000006210000-0x000000000622E000-memory.dmp

Filesize
120KB

Download
memory/1816-135-0x0000000004C50000-0x0000000004C86000-memory.dmp

Filesize
216KB

Download
memory/1816-141-0x0000000006700000-0x000000000671A000-memory.dmp

Filesize
104KB

Download
memory/1816-137-0x0000000005B20000-0x0000000005B86000-memory.dmp

Filesize
408KB

Download
memory/1816-138-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/2616-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2616-144-0x0000000005CA0000-0x0000000006244000-memory.dmp

Filesize
5.6MB

Download
memory/2616-145-0x0000000005790000-0x000000000582C000-memory.dmp

Filesize
624KB

Download
memory/2616-146-0x0000000006960000-0x0000000006B22000-memory.dmp

Filesize
1.8MB

Download
memory/2616-147-0x0000000006840000-0x00000000068D2000-memory.dmp

Filesize
584KB

Download
memory/2616-148-0x0000000006820000-0x000000000682A000-memory.dmp

Filesize
40KB

Download
memory/4712-133-0x0000000007100000-0x0000000007122000-memory.dmp

Filesize
136KB

Download
memory/4712-132-0x0000000000F10000-0x0000000000F18000-memory.dmp

Filesize
32KB

Download

Analysis

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