snakekeylogger | 1df360694e4b54909b416b5ef5095e54827c8e53d77885032df144272508f013

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
04-06-2023 15:37

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General

Target

A.exe
Size

443KB
MD5

706c4e397de8260d889cf83ba6707e7c
SHA1

dd4510b6e29157b56b894e06cc8f8687f4af7143
SHA256

1df360694e4b54909b416b5ef5095e54827c8e53d77885032df144272508f013
SHA512

d3c55835ff9bc6b00de4e82fc4318baf66a63733c7c88d8a5cd87430038fe7dd35a547dd1978a372dee9b59b8ba9a10e2ed5f35a146342ae4eba8c46da8893e3
SSDEEP

6144:Ih7kAkJ0xZuuRlxnUDcWZXA3Zz9mTFLHjhzypfbVb4vG8nYH5d7cwSthf64lv:IJLkJARWIyXa5ULHjIZKYH5VvStRTJ

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot6184780923:AAHbCGrBU_2zg9A-73yTyKKCMGf1tkzUFbM/sendMessage?chat_id=759814203

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/2936-134-0x0000000000400000-0x000000000041E000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.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

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

Processes:

A.exe

description pid process target process

PID 3280 set thread context of 2936 3280 A.exe Caspol.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4064 2936 WerFault.exe Caspol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Caspol.exe

pid process

2936 Caspol.exe
2936 Caspol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Caspol.exe

description pid process

Token: SeDebugPrivilege 2936 Caspol.exe

flow	ioc
8	checkip.dyndns.org

description	pid	process	target process
PID 3280 set thread context of 2936	3280	A.exe	Caspol.exe

pid	pid_target	process	target process
4064	2936	WerFault.exe	Caspol.exe

pid	process
2936	Caspol.exe
2936	Caspol.exe

description	pid	process
Token: SeDebugPrivilege	2936	Caspol.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

A.exe

description	pid	process	target process
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe
PID 3280 wrote to memory of 2936	3280	A.exe	Caspol.exe

outlook_office_path 1 IoCs

Processes:

Caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

Processes:

Caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\A.exe
"C:\Users\Admin\AppData\Local\Temp\A.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3280

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 1588
3⤵
- Program crash
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 2936 -ip 2936
1⤵
PID:3084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/2936-134-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2936-136-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/2936-137-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/2936-138-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/3280-133-0x000001ED69670000-0x000001ED696E4000-memory.dmp

Filesize
464KB

Download