snakekeylogger | 915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99

General

Target

915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe
Size

497KB
MD5

7dd5da0fe50d0c14b4bd2f4ae265e34e
SHA1

82f5595d0c3d61c80eba41e9da640b8e7d7d7ca2
SHA256

915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99
SHA512

09c0438b0fab4c6a81781b0099101815d4f3403f412bc726107980b58d16230c273a4e8202c39f9d2f4f2b689322d1daa352088cf8b5c3f86fb56b0d4a098ae7
SSDEEP

6144:oSDMpra6/Ri8nfqYo7Xxp9WGQeg8bhI5PPL14:Kp1Ji8fRyB7WE2L1

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1335107831:AAGZPoo67JukV78LJI16BeQqy3whx-zI59g/sendMessage?chat_id=1294593001

Signatures

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

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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

9 freegeoip.app
4 checkip.dyndns.org
8 freegeoip.app

flow	ioc
9	freegeoip.app
4	checkip.dyndns.org
8	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

Processes:

915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe

description	pid	process	target process
PID 1476 set thread context of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

528 844 WerFault.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

844 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 844 RegAsm.exe

pid	pid_target	process	target process
528	844	WerFault.exe	RegAsm.exe

pid	process
844	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	844	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exeRegAsm.exe

description	pid	process	target process
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 1476 wrote to memory of 844	1476	915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe	RegAsm.exe
PID 844 wrote to memory of 528	844	RegAsm.exe	WerFault.exe
PID 844 wrote to memory of 528	844	RegAsm.exe	WerFault.exe
PID 844 wrote to memory of 528	844	RegAsm.exe	WerFault.exe
PID 844 wrote to memory of 528	844	RegAsm.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe
"C:\Users\Admin\AppData\Local\Temp\915bf45c516f6cf10dec4441b47efb8ce11bd3db44569521e98912fe7d839f99.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 1664
3⤵
- Program crash
PID:528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/528-70-0x0000000000000000-mapping.dmp

Download
memory/844-63-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/844-58-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/844-59-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/844-61-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/844-62-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/844-64-0x0000000000463D7E-mapping.dmp

Download
memory/844-66-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/844-68-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1476-56-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/1476-57-0x00000000002C0000-0x00000000002D6000-memory.dmp

Filesize
88KB

Download
memory/1476-54-0x0000000000D70000-0x0000000000DF2000-memory.dmp

Filesize
520KB

Download
memory/1476-55-0x00000000005B0000-0x000000000062C000-memory.dmp

Filesize
496KB

Download
memory/1476-71-0x0000000000CA5000-0x0000000000CB6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads