snakekeylogger | 0be2de9cb1b88789cfcf593dde44292617d69ed8ad95e51fb586db704a234273

General

Target

TI1021730205.exe
Size

6KB
MD5

2f7c143029eb268cb65ce2fe51adfb2d
SHA1

d7d1f8ddfaa2c7395bd9453d52a89272b06bf626
SHA256

0be2de9cb1b88789cfcf593dde44292617d69ed8ad95e51fb586db704a234273
SHA512

44232d929bfd3b66adea2f1258ca7e8ecf82fa8317b2b52446aad3d86b8cc3745e75f28425045a54dce10548d33f0c0ab3de1ecd68d9633c441466753f9c4025
SSDEEP

96:bwR1vQas9tCRL5GbkRqtIdYB6Jo5dwtwtQ5zNt:bES9tCLYbkUtoMTLwtwm7

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/sendMessage?chat_id=1443320838

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3872-145-0x0000000000400000-0x0000000000426000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	TI1021730205.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TI1021730205.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TI1021730205.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TI1021730205.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rxzbzv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Mhytaah\\Rxzbzv.exe\""	TI1021730205.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
32	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4084 set thread context of 3872	4084	TI1021730205.exe	88

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 3 IoCs

pid	Process
4544	powershell.exe
4544	powershell.exe
3872	TI1021730205.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4084	TI1021730205.exe
Token: SeDebugPrivilege	4544	powershell.exe
Token: SeDebugPrivilege	3872	TI1021730205.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 4544	4084	TI1021730205.exe	82
PID 4084 wrote to memory of 4544	4084	TI1021730205.exe	82
PID 4084 wrote to memory of 4544	4084	TI1021730205.exe	82
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88
PID 4084 wrote to memory of 3872	4084	TI1021730205.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TI1021730205.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TI1021730205.exe

C:\Users\Admin\AppData\Local\Temp\TI1021730205.exe
"C:\Users\Admin\AppData\Local\Temp\TI1021730205.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAyAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4544
- C:\Users\Admin\AppData\Local\Temp\TI1021730205.exe
  C:\Users\Admin\AppData\Local\Temp\TI1021730205.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TI1021730205.exe.log

Filesize
1KB

MD5
ef95a426c7cadbe261c528f59813e6ab

SHA1
5edc710e2a90db2d262dd4d10d6f09d20e823007

SHA256
b481e9bf0515a6beb15cb252f60847275d978eba72691d5d8fa1c6a79b5cda9a

SHA512
53039306141608f7a606a1500f61193be16e97e53724b0d76721106c8dc7a5a8406c96019b9c32d0800d011bd2e55f46d34d2d74ed9b2661c7e006e329c45180

Download Submit
memory/3872-149-0x0000000006820000-0x000000000682A000-memory.dmp

Filesize
40KB

Download
memory/3872-148-0x00000000068A0000-0x0000000006A62000-memory.dmp

Filesize
1.8MB

Download
memory/3872-147-0x0000000005600000-0x000000000569C000-memory.dmp

Filesize
624KB

Download
memory/3872-145-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4084-142-0x000000000D430000-0x000000000D4C2000-memory.dmp

Filesize
584KB

Download
memory/4084-133-0x0000000009910000-0x0000000009932000-memory.dmp

Filesize
136KB

Download
memory/4084-132-0x0000000000660000-0x0000000000668000-memory.dmp

Filesize
32KB

Download
memory/4084-143-0x000000000E030000-0x000000000E5D4000-memory.dmp

Filesize
5.6MB

Download
memory/4544-136-0x0000000005A90000-0x00000000060B8000-memory.dmp

Filesize
6.2MB

Download
memory/4544-141-0x0000000006C90000-0x0000000006CAA000-memory.dmp

Filesize
104KB

Download
memory/4544-140-0x0000000007E00000-0x000000000847A000-memory.dmp

Filesize
6.5MB

Download
memory/4544-139-0x00000000067B0000-0x00000000067CE000-memory.dmp

Filesize
120KB

Download
memory/4544-138-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/4544-137-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/4544-135-0x0000000002EA0000-0x0000000002ED6000-memory.dmp

Filesize
216KB

Download

Analysis

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