snakekeylogger | 0f57eaac051c7f259290f747b71e93068fdc6dcd5ce2a4d513c096e4f60a71b4

General

Target

Shipment document.exe
Size

16KB
MD5

063765a246e5de199afcac8a77a1138e
SHA1

6ee29c38d9942f0026845e8c26d77f1ec051d0cc
SHA256

0f57eaac051c7f259290f747b71e93068fdc6dcd5ce2a4d513c096e4f60a71b4
SHA512

75c07c20c513d725b315cc24f772c375ba2c41951e0370f19d66a3323e72039b4beae1319109b557fae54987635892ba1d57b90be0db278f77dcdc12ffc73ec9

Score

10^/10

snakekeylogger evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/928-18-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/928-19-0x0000000000464B6E-mapping.dmp	family_snakekeylogger
behavioral1/memory/928-21-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

Shipment document.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	Shipment document.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	Shipment document.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe = "0"	Shipment document.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Shipment document.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\fPMsfirPJUZahDGj = "explorer.exe \"C:\\Windows\\Cursors\\vnCEdXRVxLvZmFp\\svchost.exe\""	Shipment document.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

10 checkip.dyndns.org
15 freegeoip.app
16 freegeoip.app

flow	ioc
10	checkip.dyndns.org
15	freegeoip.app
16	freegeoip.app

Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs

Processes:

Shipment document.exe

pid	process
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Shipment document.exe

description pid process target process

PID 892 set thread context of 928 892 Shipment document.exe Shipment document.exe

description	pid	process	target process
PID 892 set thread context of 928	892	Shipment document.exe	Shipment document.exe

Drops file in Windows directory 2 IoCs

Processes:

Shipment document.exe

description	ioc	process
File created	C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe	Shipment document.exe
File opened for modification	C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe	Shipment document.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1916 892 WerFault.exe Shipment document.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1160 timeout.exe

pid	pid_target	process	target process
1916	892	WerFault.exe	Shipment document.exe

pid	process
1160	timeout.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

powershell.exeShipment document.exeShipment document.exeWerFault.exe

pid	process
1720	powershell.exe
1720	powershell.exe
892	Shipment document.exe
892	Shipment document.exe
892	Shipment document.exe
928	Shipment document.exe
1916	WerFault.exe
1916	WerFault.exe
1916	WerFault.exe
1916	WerFault.exe
1916	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Shipment document.exepowershell.exeShipment document.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	892	Shipment document.exe
Token: SeDebugPrivilege	1720	powershell.exe
Token: SeDebugPrivilege	928	Shipment document.exe
Token: SeDebugPrivilege	1916	WerFault.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Shipment document.exe

pid process

928 Shipment document.exe

pid	process
928	Shipment document.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

Shipment document.execmd.exe

description	pid	process	target process
PID 892 wrote to memory of 1720	892	Shipment document.exe	powershell.exe
PID 892 wrote to memory of 1720	892	Shipment document.exe	powershell.exe
PID 892 wrote to memory of 1720	892	Shipment document.exe	powershell.exe
PID 892 wrote to memory of 1720	892	Shipment document.exe	powershell.exe
PID 892 wrote to memory of 276	892	Shipment document.exe	cmd.exe
PID 892 wrote to memory of 276	892	Shipment document.exe	cmd.exe
PID 892 wrote to memory of 276	892	Shipment document.exe	cmd.exe
PID 892 wrote to memory of 276	892	Shipment document.exe	cmd.exe
PID 276 wrote to memory of 1160	276	cmd.exe	timeout.exe
PID 276 wrote to memory of 1160	276	cmd.exe	timeout.exe
PID 276 wrote to memory of 1160	276	cmd.exe	timeout.exe
PID 276 wrote to memory of 1160	276	cmd.exe	timeout.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 928	892	Shipment document.exe	Shipment document.exe
PID 892 wrote to memory of 1916	892	Shipment document.exe	WerFault.exe
PID 892 wrote to memory of 1916	892	Shipment document.exe	WerFault.exe
PID 892 wrote to memory of 1916	892	Shipment document.exe	WerFault.exe
PID 892 wrote to memory of 1916	892	Shipment document.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Shipment document.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment document.exe"
1⤵
- Windows security modification
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:276

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1160

C:\Users\Admin\AppData\Local\Temp\Shipment document.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment document.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 1308
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

2

T1089

Modify Registry

3

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/276-12-0x0000000000000000-mapping.dmp

Download
memory/892-3-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/892-5-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/892-6-0x0000000004F00000-0x0000000004FD7000-memory.dmp

Filesize
860KB

Download
memory/892-2-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/928-33-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/928-21-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/928-20-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/928-19-0x0000000000464B6E-mapping.dmp

Download
memory/928-18-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1160-13-0x0000000000000000-mapping.dmp

Download
memory/1720-17-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download
memory/1720-15-0x00000000023E2000-0x00000000023E3000-memory.dmp

Filesize
4KB

Download
memory/1720-16-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/1720-14-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/1720-11-0x0000000004850000-0x0000000004851000-memory.dmp

Filesize
4KB

Download
memory/1720-10-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1720-9-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/1720-8-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1720-59-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/1720-44-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1720-27-0x0000000006060000-0x0000000006061000-memory.dmp

Filesize
4KB

Download
memory/1720-32-0x00000000060A0000-0x00000000060A1000-memory.dmp

Filesize
4KB

Download
memory/1720-7-0x0000000000000000-mapping.dmp

Download
memory/1720-58-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/1720-35-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1720-36-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download
memory/1720-43-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/1916-24-0x00000000009C0000-0x00000000009D1000-memory.dmp

Filesize
68KB

Download
memory/1916-34-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1916-23-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads