snakekeylogger | 4f0b01acb78ac9daaa0aa4a4ea8d189c1e815c474cda04c8d97591b754cf9375

General

Target

Swift pdf.exe
Size

13KB
MD5

219b51d27650e58e806ecbea4a5464d2
SHA1

72cb9e74cd88eea0e18a02e54ca7e54557b0932b
SHA256

4f0b01acb78ac9daaa0aa4a4ea8d189c1e815c474cda04c8d97591b754cf9375
SHA512

2c413f65f672ac7225c8a2fd92063beda19caa914f416173f69eb4985a785291951aaaf292f2e9bf3489a70b4c228cc86d2f5d98b4f01cdfc491f6289d7b2cbd

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5412895406:AAEj-XWjEH6Xgz-M_j2Kpqqdv6KOeN4GaH0/sendMessage?chat_id=1467583453

Signatures

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

Snake Keylogger Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4660-142-0x0000000000400000-0x0000000000426000-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

Processes:

Swift pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Swift pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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.

Processes:

flow ioc

82 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Swift pdf.exe

description pid process target process

PID 2360 set thread context of 4660 2360 Swift pdf.exe InstallUtil.exe
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 5 IoCs

Processes:

powershell.exeSwift pdf.exeInstallUtil.exe

pid process

1416 powershell.exe
1416 powershell.exe
2360 Swift pdf.exe
2360 Swift pdf.exe
4660 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Swift pdf.exepowershell.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 2360 Swift pdf.exe
Token: SeDebugPrivilege 1416 powershell.exe
Token: SeDebugPrivilege 4660 InstallUtil.exe

flow	ioc
82	checkip.dyndns.org

description	pid	process	target process
PID 2360 set thread context of 4660	2360	Swift pdf.exe	InstallUtil.exe

pid	process
1416	powershell.exe
1416	powershell.exe
2360	Swift pdf.exe
2360	Swift pdf.exe
4660	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2360	Swift pdf.exe
Token: SeDebugPrivilege	1416	powershell.exe
Token: SeDebugPrivilege	4660	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Swift pdf.exe

description	pid	process	target process
PID 2360 wrote to memory of 1416	2360	Swift pdf.exe	powershell.exe
PID 2360 wrote to memory of 1416	2360	Swift pdf.exe	powershell.exe
PID 2360 wrote to memory of 1416	2360	Swift pdf.exe	powershell.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe
PID 2360 wrote to memory of 4660	2360	Swift pdf.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Swift pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Swift pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAOAAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1416-138-0x0000000007870000-0x0000000007EEA000-memory.dmp

Filesize
6.5MB

Download
memory/1416-134-0x0000000005410000-0x0000000005A38000-memory.dmp

Filesize
6.2MB

Download
memory/1416-137-0x0000000006210000-0x000000000622E000-memory.dmp

Filesize
120KB

Download
memory/1416-133-0x0000000002C30000-0x0000000002C66000-memory.dmp

Filesize
216KB

Download
memory/1416-139-0x0000000006720000-0x000000000673A000-memory.dmp

Filesize
104KB

Download
memory/1416-135-0x0000000005250000-0x0000000005272000-memory.dmp

Filesize
136KB

Download
memory/1416-136-0x0000000005B40000-0x0000000005BA6000-memory.dmp

Filesize
408KB

Download
memory/1416-132-0x0000000000000000-mapping.dmp

Download
memory/2360-140-0x0000000001360000-0x00000000013F2000-memory.dmp

Filesize
584KB

Download
memory/2360-131-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/2360-130-0x0000000000AE0000-0x0000000000AEA000-memory.dmp

Filesize
40KB

Download
memory/4660-141-0x0000000000000000-mapping.dmp

Download
memory/4660-142-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4660-143-0x0000000005C70000-0x0000000006214000-memory.dmp

Filesize
5.6MB

Download
memory/4660-144-0x00000000056C0000-0x000000000575C000-memory.dmp

Filesize
624KB

Download
memory/4660-145-0x0000000006700000-0x00000000068C2000-memory.dmp

Filesize
1.8MB

Download
memory/4660-146-0x0000000006690000-0x000000000669A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads