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 1 IoCs

resource	yara_rule
behavioral2/memory/2036-147-0x0000000000400000-0x0000000000426000-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	BL Draft Copy.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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL Draft Copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL Draft Copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-4246620582-653642754-1174164128-1000\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
24	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4188 set thread context of 2036	4188	BL Draft Copy.exe	92

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 6 IoCs

pid	Process
840	powershell.exe
840	powershell.exe
4188	BL Draft Copy.exe
4188	BL Draft Copy.exe
2036	BL Draft Copy.exe
2036	BL Draft Copy.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4188	BL Draft Copy.exe
Token: SeDebugPrivilege	840	powershell.exe
Token: SeDebugPrivilege	2036	BL Draft Copy.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 840	4188	BL Draft Copy.exe	85
PID 4188 wrote to memory of 840	4188	BL Draft Copy.exe	85
PID 4188 wrote to memory of 840	4188	BL Draft Copy.exe	85
PID 4188 wrote to memory of 4376	4188	BL Draft Copy.exe	91
PID 4188 wrote to memory of 4376	4188	BL Draft Copy.exe	91
PID 4188 wrote to memory of 4376	4188	BL Draft Copy.exe	91
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92
PID 4188 wrote to memory of 2036	4188	BL Draft Copy.exe	92

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	BL Draft Copy.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	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⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4188
- 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:840
- C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe
  "C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe"
  2⤵
  PID:4376
- 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:2036

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BL Draft Copy.exe.log

Filesize
1KB

MD5
4f3fab3e5f44399e7f4162fd367eca2d

SHA1
adada0591db5f53bcc0565942047156de3464e6e

SHA256
5db52f2a6a0fbfaa29e27418a1b72b660298dfa58a12ac0f12897a06e557caef

SHA512
d8c3fe3a91e572627e31a44d88a71fc3072786b074d04484ff6aacfeab43e0d29ec88bf6ad2af2a5f8e70f0c0eea95dcea59a8159adf4c642e5f8fd5fc632db7

Download Submit
memory/840-144-0x0000000006D10000-0x0000000006D2A000-memory.dmp

Filesize
104KB

Download
memory/840-143-0x0000000008090000-0x000000000870A000-memory.dmp

Filesize
6.5MB

Download
memory/840-142-0x0000000006820000-0x000000000683E000-memory.dmp

Filesize
120KB

Download
memory/840-141-0x00000000061E0000-0x0000000006246000-memory.dmp

Filesize
408KB

Download
memory/840-138-0x0000000002EF0000-0x0000000002F26000-memory.dmp

Filesize
216KB

Download
memory/840-139-0x0000000005AC0000-0x00000000060E8000-memory.dmp

Filesize
6.2MB

Download
memory/840-140-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/2036-147-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2036-149-0x00000000055F0000-0x000000000568C000-memory.dmp

Filesize
624KB

Download
memory/2036-150-0x00000000069A0000-0x0000000006B62000-memory.dmp

Filesize
1.8MB

Download
memory/4188-134-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/4188-136-0x0000000007900000-0x0000000007922000-memory.dmp

Filesize
136KB

Download
memory/4188-135-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/4188-132-0x00000000007A0000-0x000000000087E000-memory.dmp

Filesize
888KB

Download
memory/4188-133-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download

Analysis

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