snakekeylogger | 8994753df988a18e391508dcf4c6ebe31b2c73132fc601ed78ec19ccfb8bf049

General

Target

purchase order_pdf________________________________.exe
Size

1010KB
MD5

69f7d10e43b53f1add0bc6cd34a09e08
SHA1

82c75b93584d1066ff423f9d452bfb1627fbd111
SHA256

8994753df988a18e391508dcf4c6ebe31b2c73132fc601ed78ec19ccfb8bf049
SHA512

f1db89b2fe9db62711bb5ffdbda178641cc0f19658eb5c918e2993ed90c22061dca9b37d6429a08e5b6f74cecbfc54a16a1e8934357d4fbc70996e33f6f159e5

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1592-8-0x00000000004643BE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1592-7-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1592-9-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1592-10-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

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
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

5 checkip.dyndns.org

flow	ioc
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase order_pdf________________________________.exe

description	pid	process	target process
PID 476 set thread context of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

552 1592 WerFault.exe purchase order_pdf________________________________.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

purchase order_pdf________________________________.exeWerFault.exe

pid process

1592 purchase order_pdf________________________________.exe
552 WerFault.exe
552 WerFault.exe
552 WerFault.exe
552 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

552 WerFault.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

purchase order_pdf________________________________.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1592 purchase order_pdf________________________________.exe
Token: SeDebugPrivilege 552 WerFault.exe

pid	pid_target	process	target process
552	1592	WerFault.exe	purchase order_pdf________________________________.exe

pid	process
1592	purchase order_pdf________________________________.exe
552	WerFault.exe
552	WerFault.exe
552	WerFault.exe
552	WerFault.exe

pid	process
552	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1592	purchase order_pdf________________________________.exe
Token: SeDebugPrivilege	552	WerFault.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

purchase order_pdf________________________________.exepurchase order_pdf________________________________.exe

description	pid	process	target process
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 476 wrote to memory of 1592	476	purchase order_pdf________________________________.exe	purchase order_pdf________________________________.exe
PID 1592 wrote to memory of 552	1592	purchase order_pdf________________________________.exe	WerFault.exe
PID 1592 wrote to memory of 552	1592	purchase order_pdf________________________________.exe	WerFault.exe
PID 1592 wrote to memory of 552	1592	purchase order_pdf________________________________.exe	WerFault.exe
PID 1592 wrote to memory of 552	1592	purchase order_pdf________________________________.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\purchase order_pdf________________________________.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order_pdf________________________________.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:476

C:\Users\Admin\AppData\Local\Temp\purchase order_pdf________________________________.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order_pdf________________________________.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1080
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:552

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/476-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/476-3-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

Download
memory/476-5-0x0000000000930000-0x0000000000942000-memory.dmp

Filesize
72KB

Download
memory/476-6-0x0000000005460000-0x00000000054FB000-memory.dmp

Filesize
620KB

Download
memory/552-14-0x0000000000000000-mapping.dmp

Download
memory/552-15-0x0000000001FF0000-0x0000000002001000-memory.dmp

Filesize
68KB

Download
memory/1592-8-0x00000000004643BE-mapping.dmp

Download
memory/1592-7-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1592-9-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1592-10-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1592-11-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads