snakekeylogger | 41ec6096bbedc3527a97d8a427988cd2885bb23eebefbe17c563a1e5aff52586

General

Target

BL Draft Copy.exe
Size

863KB
MD5

5f76ec4261e9ee6104cadf963e1fdefe
SHA1

4bd2b0895e37e92d70f5ae463aafbc7e912cb07a
SHA256

41ec6096bbedc3527a97d8a427988cd2885bb23eebefbe17c563a1e5aff52586
SHA512

15770c50185e4594f64a2cc16b641093a347845ce68d701b65d3981967ba3f4a797656bcc7d4382d17d358be61dbe53833dfd1e8680af7195768c8e4479324a7
SSDEEP

24576:76AnFoJiY3TZ5ae0lVw+BBUWxn48qKoe:7dFW8e0ggBUg9qKoe

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
kiamotors-khyber.com
Port:
587
Username:
[email protected]
Password:
Bno-MD&$40Kjy(Yd

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/972-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-70-0x000000000042072E-mapping.dmp	family_snakekeylogger
behavioral1/memory/972-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL Draft Copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL Draft Copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL Draft Copy.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vvkzfazu = "\"C:\\Users\\Admin\\AppData\\Roaming\\Lowaerfe\\Vvkzfazu.exe\""	BL Draft Copy.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 1344 set thread context of 972	1344	BL Draft Copy.exe	28

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
728	powershell.exe
972	BL Draft Copy.exe
972	BL Draft Copy.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1344	BL Draft Copy.exe
Token: SeDebugPrivilege	728	powershell.exe
Token: SeDebugPrivilege	972	BL Draft Copy.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 728	1344	BL Draft Copy.exe	26
PID 1344 wrote to memory of 728	1344	BL Draft Copy.exe	26
PID 1344 wrote to memory of 728	1344	BL Draft Copy.exe	26
PID 1344 wrote to memory of 728	1344	BL Draft Copy.exe	26
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28
PID 1344 wrote to memory of 972	1344	BL Draft Copy.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL Draft Copy.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL Draft Copy.exe

C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe
"C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344
- 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:728
- C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe
  "C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:972

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/728-62-0x000000006E830000-0x000000006EDDB000-memory.dmp

Filesize
5.7MB

Download
memory/728-61-0x000000006E830000-0x000000006EDDB000-memory.dmp

Filesize
5.7MB

Download
memory/728-60-0x000000006E830000-0x000000006EDDB000-memory.dmp

Filesize
5.7MB

Download
memory/972-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/972-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/972-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/972-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/972-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/972-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/972-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1344-57-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/1344-56-0x0000000005170000-0x0000000005216000-memory.dmp

Filesize
664KB

Download
memory/1344-55-0x0000000074F41000-0x0000000074F43000-memory.dmp

Filesize
8KB

Download
memory/1344-54-0x0000000000970000-0x0000000000A4E000-memory.dmp

Filesize
888KB

Download

Analysis

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