snakekeylogger | 1bd8f3260eef97220ff4fbf88e4e4005832becf5a74742c2bd2fbf542e446972

General

Target

Signed po_000165.exe
Size

1.1MB
MD5

c125d39a5c36ceb3561c38c86c0f74ff
SHA1

ee54939ec90d947049e2be343de7c42f9472df02
SHA256

1bd8f3260eef97220ff4fbf88e4e4005832becf5a74742c2bd2fbf542e446972
SHA512

a5cdd216d6cb680c3415b88c9bc4c2accec6301f6d38c57d81d14bad74c1cfb9b5605b4384f095b3375bb03a90f3591eb5a79900c47defd5e2d5665f8af43d35
SSDEEP

24576:vA5QvV9xxFzUYAMTZ8Mysn3HeFD8UW4Uw6ATp1wUb1QiD:Y5cxD4VCLyk3ev5p6A8x8

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.muktaaspa.com
Port:
587
Username:
inquiry@muktaaspa.com
Password:
%!G&w4007t]O

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1692-67-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/1692-68-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/1692-70-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/1692-72-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/1692-74-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/1576-77-0x0000000002460000-0x00000000024A0000-memory.dmp	family_snakekeylogger

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

Processes:

Signed po_000165.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Signed po_000165.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Signed po_000165.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Signed po_000165.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

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

Processes:

Signed po_000165.exe

description pid process target process

PID 1524 set thread context of 1692 1524 Signed po_000165.exe Signed po_000165.exe
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

Processes:

schtasks.exe

pid process

728 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Signed po_000165.exeSigned po_000165.exepowershell.exe

pid process

1524 Signed po_000165.exe
1524 Signed po_000165.exe
1692 Signed po_000165.exe
1576 powershell.exe
1692 Signed po_000165.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1524 set thread context of 1692	1524	Signed po_000165.exe	Signed po_000165.exe

pid	process
728	schtasks.exe

pid	process
1524	Signed po_000165.exe
1524	Signed po_000165.exe
1692	Signed po_000165.exe
1576	powershell.exe
1692	Signed po_000165.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Signed po_000165.exeSigned po_000165.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1524	Signed po_000165.exe
Token: SeDebugPrivilege	1692	Signed po_000165.exe
Token: SeDebugPrivilege	1576	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Signed po_000165.exe

description	pid	process	target process
PID 1524 wrote to memory of 1576	1524	Signed po_000165.exe	powershell.exe
PID 1524 wrote to memory of 1576	1524	Signed po_000165.exe	powershell.exe
PID 1524 wrote to memory of 1576	1524	Signed po_000165.exe	powershell.exe
PID 1524 wrote to memory of 1576	1524	Signed po_000165.exe	powershell.exe
PID 1524 wrote to memory of 728	1524	Signed po_000165.exe	schtasks.exe
PID 1524 wrote to memory of 728	1524	Signed po_000165.exe	schtasks.exe
PID 1524 wrote to memory of 728	1524	Signed po_000165.exe	schtasks.exe
PID 1524 wrote to memory of 728	1524	Signed po_000165.exe	schtasks.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe
PID 1524 wrote to memory of 1692	1524	Signed po_000165.exe	Signed po_000165.exe

outlook_office_path 1 IoCs

Processes:

Signed po_000165.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Signed po_000165.exe

outlook_win_path 1 IoCs

Processes:

Signed po_000165.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Signed po_000165.exe

C:\Users\Admin\AppData\Local\Temp\Signed po_000165.exe
"C:\Users\Admin\AppData\Local\Temp\Signed po_000165.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FUzeyuwl.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1576

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FUzeyuwl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp199A.tmp"
2⤵
- Creates scheduled task(s)
PID:728

C:\Users\Admin\AppData\Local\Temp\Signed po_000165.exe
"C:\Users\Admin\AppData\Local\Temp\Signed po_000165.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1692

Network

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp199A.tmp
Filesize
1KB

MD5
55828ce541600a018b905caa87e5b747

SHA1
777e7513339556e6f25141afcb7c1909382af886

SHA256
2b86a2ddbcb25acc605685a0327bc1469372dd147c8dfc95ef807d68a6a35480

SHA512
a5171cf4b99208a55115da0ff986c1956b2ff1ab0e485231ec6cdf48292365823b1ac581e55f55c7dd7a7ed0b1a4cd4c7b857c2635b69a249a0c01040471b08e

Download Submit
memory/1524-55-0x0000000002190000-0x00000000021D0000-memory.dmp

Filesize
256KB

Download
memory/1524-56-0x0000000000580000-0x00000000005A0000-memory.dmp

Filesize
128KB

Download
memory/1524-57-0x00000000005B0000-0x00000000005BC000-memory.dmp

Filesize
48KB

Download
memory/1524-58-0x00000000058C0000-0x00000000059B8000-memory.dmp

Filesize
992KB

Download
memory/1524-64-0x0000000005CA0000-0x0000000005D20000-memory.dmp

Filesize
512KB

Download
memory/1524-54-0x0000000000150000-0x000000000026C000-memory.dmp

Filesize
1.1MB

Download
memory/1576-77-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/1576-78-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/1692-66-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1692-68-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1692-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1692-70-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1692-72-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1692-74-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1692-67-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1692-65-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1692-79-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/1692-80-0x0000000004480000-0x00000000044E6000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads