snakekeylogger | 7b066ceeb76489b6ee174bde0247e50f335338d12a68001b483f8dc7fa487cbe

Analysis

max time kernel
127s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 16:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

quotation.pdf.exe
Size

584KB
MD5

cae995edd90312264f9faa534874894f
SHA1

2a71f016765dc5fa825ca1f437e1df02c32611a0
SHA256

5226c6707f7f1430f49c6c7cd637375b00004be37d815d82804257a8ca563841
SHA512

6bd8c914fbdc8b04bdf12a8a60eb61324e4e06dfdd7525d29418c861247dda366e367992afd4d285a15b8ca71df5d28ddc1056cb91df3d9d1461c888bce8d594
SSDEEP

12288:HrLfSC/W39Rfyyii2nYUNm8AEr8aNZibViwt5XHF:LLbcyyii2nYUm8AErTsiw5V

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot6086388911:AAGHpITQe4oLJhzRR86O2JB3Tmd1xG2gIqM/sendMessage?chat_id=1932526247

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/916-44-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1984	powershell.exe
4132	powershell.exe

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	quotation.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
16	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4488 set thread context of 916	4488	quotation.pdf.exe	99

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 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	quotation.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
1552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4132	powershell.exe
1984	powershell.exe
916	RegSvcs.exe
4132	powershell.exe
1984	powershell.exe
916	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4132	powershell.exe
Token: SeDebugPrivilege	1984	powershell.exe
Token: SeDebugPrivilege	916	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 1984	4488	quotation.pdf.exe	93
PID 4488 wrote to memory of 1984	4488	quotation.pdf.exe	93
PID 4488 wrote to memory of 1984	4488	quotation.pdf.exe	93
PID 4488 wrote to memory of 4132	4488	quotation.pdf.exe	95
PID 4488 wrote to memory of 4132	4488	quotation.pdf.exe	95
PID 4488 wrote to memory of 4132	4488	quotation.pdf.exe	95
PID 4488 wrote to memory of 1552	4488	quotation.pdf.exe	97
PID 4488 wrote to memory of 1552	4488	quotation.pdf.exe	97
PID 4488 wrote to memory of 1552	4488	quotation.pdf.exe	97
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99
PID 4488 wrote to memory of 916	4488	quotation.pdf.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1984
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VBwlAonrdTz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4132
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBwlAonrdTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC709.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1552
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o2hrvr4h.opk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC709.tmp

Filesize
1KB

MD5
845f769e4fca73d46df0122c36f2f910

SHA1
887705f4db06b437e8825e376a97135f85f6ff20

SHA256
b812ef48ff46fa88a4e1fbd924ae42a67d500a282cd42471a6ad2c947d86903a

SHA512
5ab1a3de9af922d3e6a8763ee26bea676015a10a2edd91036f3b01dd415cb3e065e9cc079ac605d25c85637c47f9e65d177529f3a9fb313d00dfd39e1c525149

Download Submit
memory/916-88-0x0000000006970000-0x0000000006B32000-memory.dmp

Filesize
1.8MB

Download
memory/916-87-0x0000000006750000-0x00000000067A0000-memory.dmp

Filesize
320KB

Download
memory/916-44-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1984-42-0x0000000006390000-0x00000000066E4000-memory.dmp

Filesize
3.3MB

Download
memory/1984-51-0x0000000007A70000-0x0000000007AA2000-memory.dmp

Filesize
200KB

Download
memory/1984-86-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1984-82-0x0000000007F10000-0x0000000007F18000-memory.dmp

Filesize
32KB

Download
memory/1984-79-0x0000000007E20000-0x0000000007E2E000-memory.dmp

Filesize
56KB

Download
memory/1984-77-0x0000000007E70000-0x0000000007F06000-memory.dmp

Filesize
600KB

Download
memory/1984-15-0x0000000005320000-0x0000000005356000-memory.dmp

Filesize
216KB

Download
memory/1984-16-0x0000000005A00000-0x0000000006028000-memory.dmp

Filesize
6.2MB

Download
memory/1984-17-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1984-18-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1984-76-0x0000000007C60000-0x0000000007C6A000-memory.dmp

Filesize
40KB

Download
memory/1984-75-0x0000000008240000-0x00000000088BA000-memory.dmp

Filesize
6.5MB

Download
memory/1984-52-0x0000000070D60000-0x0000000070DAC000-memory.dmp

Filesize
304KB

Download
memory/1984-73-0x0000000007AC0000-0x0000000007B63000-memory.dmp

Filesize
652KB

Download
memory/1984-63-0x0000000007A50000-0x0000000007A6E000-memory.dmp

Filesize
120KB

Download
memory/1984-48-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1984-21-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/1984-22-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/1984-20-0x0000000005900000-0x0000000005922000-memory.dmp

Filesize
136KB

Download
memory/4132-74-0x0000000007960000-0x000000000797A000-memory.dmp

Filesize
104KB

Download
memory/4132-80-0x0000000007BB0000-0x0000000007BC4000-memory.dmp

Filesize
80KB

Download
memory/4132-49-0x0000000006650000-0x000000000666E000-memory.dmp

Filesize
120KB

Download
memory/4132-85-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4132-81-0x0000000007CB0000-0x0000000007CCA000-memory.dmp

Filesize
104KB

Download
memory/4132-46-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4132-50-0x00000000066E0000-0x000000000672C000-memory.dmp

Filesize
304KB

Download
memory/4132-78-0x0000000007B70000-0x0000000007B81000-memory.dmp

Filesize
68KB

Download
memory/4132-60-0x0000000070D60000-0x0000000070DAC000-memory.dmp

Filesize
304KB

Download
memory/4132-41-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4132-43-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4488-3-0x0000000004D00000-0x0000000004D92000-memory.dmp

Filesize
584KB

Download
memory/4488-4-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4488-10-0x0000000008CB0000-0x0000000008D4C000-memory.dmp

Filesize
624KB

Download
memory/4488-6-0x0000000006690000-0x00000000066A0000-memory.dmp

Filesize
64KB

Download
memory/4488-9-0x00000000061E0000-0x0000000006248000-memory.dmp

Filesize
416KB

Download
memory/4488-5-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/4488-8-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4488-47-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4488-7-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/4488-0-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/4488-2-0x00000000053C0000-0x0000000005964000-memory.dmp

Filesize
5.6MB

Download
memory/4488-1-0x00000000002A0000-0x0000000000338000-memory.dmp

Filesize
608KB

Download