snakekeylogger | bbfe7d997d95f5693051b2c6bb3cfe9150ea690329ac0c51131c0825358892bd

General

Target

quotation.7722164.pdf.exe
Size

789KB
MD5

57866cacbb7df3fa371dd9590c0e4a9c
SHA1

834cbc1234e09775d6d4549ae6c4d2e3b48993ec
SHA256

bbfe7d997d95f5693051b2c6bb3cfe9150ea690329ac0c51131c0825358892bd
SHA512

0e699b14eab99812306bf160c307a891135cf9f7651e1fe9d098428a583dd2207f4b26a9ca010f0101b6988fb0e594aa95f3b77d351f96b15a54070aca29c272
SSDEEP

12288:wEp//7/aUQYbMDE6jKbl/+zVSyHBploNOkXy3NaI:T79DbMANGfHBQNOkX+B

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5643064068:AAHUW-qjYqjmbklVdTKS8RtESPH3MP5FLbM/sendMessage?chat_id=5120307802

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/960-145-0x0000000000400000-0x0000000000426000-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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	quotation.7722164.pdf.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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.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
39	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 864 set thread context of 960	864	quotation.7722164.pdf.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1304	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5088	powershell.exe
960	quotation.7722164.pdf.exe
5088	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	powershell.exe
Token: SeDebugPrivilege	960	quotation.7722164.pdf.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 5088	864	quotation.7722164.pdf.exe	90
PID 864 wrote to memory of 5088	864	quotation.7722164.pdf.exe	90
PID 864 wrote to memory of 5088	864	quotation.7722164.pdf.exe	90
PID 864 wrote to memory of 1304	864	quotation.7722164.pdf.exe	92
PID 864 wrote to memory of 1304	864	quotation.7722164.pdf.exe	92
PID 864 wrote to memory of 1304	864	quotation.7722164.pdf.exe	92
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94
PID 864 wrote to memory of 960	864	quotation.7722164.pdf.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe

C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vImrgjPRBTO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5088
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vImrgjPRBTO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D9E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1304
- C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\Temp\tmp6D9E.tmp

Filesize
1KB

MD5
61a246fa2f79edd7f877c2fc77a7cfc5

SHA1
b9454934060f8940514fab361b85302ffdbeb8fc

SHA256
51a6192fb219af640a78999e31595189dd8e66c75eb550bac5a77f4ef8c29ff1

SHA512
127baa5b4ed9f7813a8e28845f851ab3fc9afb3a724403f2ab3a0fd2089c305bc4d505e2f2912b3e8cc241cc36298c65552b6a8aa97c2e5db8b44a021e623d39

Download Submit
memory/864-133-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/864-134-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/864-135-0x00000000063E0000-0x00000000069F8000-memory.dmp

Filesize
6.1MB

Download
memory/864-136-0x00000000057F0000-0x00000000057FA000-memory.dmp

Filesize
40KB

Download
memory/864-137-0x000000000AA80000-0x000000000AB1C000-memory.dmp

Filesize
624KB

Download
memory/864-138-0x000000000AB20000-0x000000000AB86000-memory.dmp

Filesize
408KB

Download
memory/864-132-0x00000000007E0000-0x00000000008AC000-memory.dmp

Filesize
816KB

Download
memory/960-149-0x0000000006780000-0x0000000006942000-memory.dmp

Filesize
1.8MB

Download
memory/960-145-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5088-146-0x0000000005F90000-0x0000000005FB2000-memory.dmp

Filesize
136KB

Download
memory/5088-151-0x00000000706B0000-0x00000000706FC000-memory.dmp

Filesize
304KB

Download
memory/5088-141-0x0000000005110000-0x0000000005146000-memory.dmp

Filesize
216KB

Download
memory/5088-147-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/5088-148-0x00000000066B0000-0x00000000066CE000-memory.dmp

Filesize
120KB

Download
memory/5088-150-0x0000000006CC0000-0x0000000006CF2000-memory.dmp

Filesize
200KB

Download
memory/5088-143-0x0000000005780000-0x0000000005DA8000-memory.dmp

Filesize
6.2MB

Download
memory/5088-152-0x0000000006C50000-0x0000000006C6E000-memory.dmp

Filesize
120KB

Download
memory/5088-153-0x0000000008000000-0x000000000867A000-memory.dmp

Filesize
6.5MB

Download
memory/5088-154-0x00000000079C0000-0x00000000079DA000-memory.dmp

Filesize
104KB

Download
memory/5088-155-0x0000000007A30000-0x0000000007A3A000-memory.dmp

Filesize
40KB

Download
memory/5088-156-0x0000000007C40000-0x0000000007CD6000-memory.dmp

Filesize
600KB

Download
memory/5088-157-0x0000000007BF0000-0x0000000007BFE000-memory.dmp

Filesize
56KB

Download
memory/5088-158-0x0000000007D00000-0x0000000007D1A000-memory.dmp

Filesize
104KB

Download
memory/5088-159-0x0000000007CE0000-0x0000000007CE8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads