snakekeylogger | 3f8d58b5e8d799b4bed5863564c2253873c2a8c0a3009d33cb358989dee2bfe8

General

Target

MB268382625AE.pdf.exe
Size

739KB
MD5

17e2b9c140aff9e3922ecba5a9f61372
SHA1

9d5fc910c29d028973957bb1e4c8444213bb765e
SHA256

feb88db931480ec059519f47eabc2f1e1365e08e8e412c62efb1e6683cd38565
SHA512

2d15847f0418c52b4163cd338c5b51bafc12e98da7fad897dbffc7d6ad5b35ed5c616539fde439cf1cd42cd18902da28af4a4f9e7da8c990dd7147d105489e62
SSDEEP

12288:52sv+SGjpA3yKUUo6aoIi5xFV60+Q3/gVOpD4G1c0icP6A9ONDJFc7TMVCfCvzCf:52xjy95xvH+Q3mcD4GB3CDJqhKLCnYnk

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: ftp
Host:
ftp://cpanel2-nl.thcservers.com/
Port:
21
Username:
[email protected]
Password:
Uvob2G1Tc73ZCus02X

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2560-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2560-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2560-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2560-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2560-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2872	powershell.exe

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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MB268382625AE.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MB268382625AE.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MB268382625AE.pdf.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 2140 set thread context of 2560	2140	MB268382625AE.pdf.exe	34

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 4 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	MB268382625AE.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MB268382625AE.pdf.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2560	MB268382625AE.pdf.exe
2872	powershell.exe
2560	MB268382625AE.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	MB268382625AE.pdf.exe
Token: SeDebugPrivilege	2872	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2872	2140	MB268382625AE.pdf.exe	30
PID 2140 wrote to memory of 2872	2140	MB268382625AE.pdf.exe	30
PID 2140 wrote to memory of 2872	2140	MB268382625AE.pdf.exe	30
PID 2140 wrote to memory of 2872	2140	MB268382625AE.pdf.exe	30
PID 2140 wrote to memory of 2564	2140	MB268382625AE.pdf.exe	31
PID 2140 wrote to memory of 2564	2140	MB268382625AE.pdf.exe	31
PID 2140 wrote to memory of 2564	2140	MB268382625AE.pdf.exe	31
PID 2140 wrote to memory of 2564	2140	MB268382625AE.pdf.exe	31
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34
PID 2140 wrote to memory of 2560	2140	MB268382625AE.pdf.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MB268382625AE.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MB268382625AE.pdf.exe

C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DgSLpOOJmrZjXK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2872
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DgSLpOOJmrZjXK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp54E4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2564
- C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.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:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp54E4.tmp

Filesize
1KB

MD5
88fb62f4ef05364161e7bb5b046d6475

SHA1
973ffc6f1b302dd75cae31713a3a5d64056a8756

SHA256
78f0fd05004d95de0e723b2ef5d1e18f8c0de3a3789de2fe3a53fee7c5e624f4

SHA512
c010e4f0015e505d4fd320fe6487387e3b5a929bbad1e57c815eb8523d9fc8dd43b18a2e8484168254128e4aa841f10cf088905613705fc3aacfd02c1253a5a9

Download Submit
memory/2140-26-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-1-0x0000000000190000-0x000000000024E000-memory.dmp

Filesize
760KB

Download
memory/2140-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-3-0x0000000000440000-0x0000000000458000-memory.dmp

Filesize
96KB

Download
memory/2140-4-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2140-5-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-6-0x00000000051B0000-0x000000000521C000-memory.dmp

Filesize
432KB

Download
memory/2140-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2560-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2560-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2560-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2560-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2560-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2560-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2560-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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