snakekeylogger | 4e8b17d34495b7e4397939448da55c81d186794fa6a1f00a5e3cbd4659dd74ac

General

Target

SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe
Size

432KB
MD5

705f530ccf09e70691a0cd93c5a15bd4
SHA1

3c17db1f545254560323dba0aabd18978d21f063
SHA256

4e8b17d34495b7e4397939448da55c81d186794fa6a1f00a5e3cbd4659dd74ac
SHA512

c9c19726178e1aef01805d30c9eb562eef1f43f906eea9ec6af7bf599edc7d289d89a294f1e30db30d6035928615e426056fd4a5feafba4df549f4cda6b4bdb7
SSDEEP

12288:E2t+axyVJLYNnZa693JxwTIAqf2HQGRw6Y9:vwVJLYNno695x+I32LY9

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2864-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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

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

Processes:

SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe

description pid process target process

PID 1960 set thread context of 2864 1960 SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Powershell.exeRegAsm.exe

pid process

2796 Powershell.exe
2864 RegAsm.exe
2864 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2796 Powershell.exe
Token: SeDebugPrivilege 2864 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 1960 set thread context of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe

pid	process
2796	Powershell.exe
2864	RegAsm.exe
2864	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2796	Powershell.exe
Token: SeDebugPrivilege	2864	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe

description	pid	process	target process
PID 1960 wrote to memory of 2796	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	Powershell.exe
PID 1960 wrote to memory of 2796	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	Powershell.exe
PID 1960 wrote to memory of 2796	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	Powershell.exe
PID 1960 wrote to memory of 2796	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	Powershell.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe
PID 1960 wrote to memory of 2864	1960	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1960

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44277.27482.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2796

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
- outlook_office_path
- outlook_win_path
PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-20-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1960-1-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1960-2-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download
memory/1960-3-0x0000000002010000-0x0000000002066000-memory.dmp

Filesize
344KB

Download
memory/1960-4-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1960-5-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download
memory/1960-11-0x0000000000440000-0x0000000000448000-memory.dmp

Filesize
32KB

Download
memory/1960-0-0x00000000001A0000-0x0000000000212000-memory.dmp

Filesize
456KB

Download
memory/2796-8-0x000000006FD00000-0x00000000702AB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-9-0x000000006FD00000-0x00000000702AB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-10-0x0000000002730000-0x0000000002770000-memory.dmp

Filesize
256KB

Download
memory/2796-25-0x000000006FD00000-0x00000000702AB000-memory.dmp

Filesize
5.7MB

Download
memory/2864-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads