snakekeylogger | b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8

General

Target

NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe
Size

366KB
MD5

1a691869fcecce8373212a390d1fa3e3
SHA1

a952c873d4b825940b012e2d0ceb849dd9634d64
SHA256

b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8
SHA512

6bcac7d3fd19a60fb7c6a52d67cc0a6d8f7684f0a2fa428647a0cc1a03fb2d25c9a0b75b215de432df81113e951c2442ec1b793c93e68f6b99ae6ef7ba62fe5e
SSDEEP

6144:L0nJBIKD2SJMz2dR8rZNlvzbV+dHhZdZcZmPaFTPM+OAHhBMdk6ceh9X3P9t0G:sJfD2S+nRbV+dHhZdZcZm2TPZHhBak6I

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6243209595:AAGECSmdSqJiVZcdFoBvotoaKcKT9Lz5Gvw/sendMessage?chat_id=1070926352

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/2344-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-20-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2344-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_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
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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\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

flow	ioc
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe

description	pid	process	target process
PID 2264 set thread context of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2344 RegAsm.exe
2344 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2344 RegAsm.exe

pid	process
2344	RegAsm.exe
2344	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2344	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe

description	pid	process	target process
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe
PID 2264 wrote to memory of 2344	2264	NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b423c0f05afa1b0e32ba18a552ac0d4020bb69a055602c94323d5bbd4c9cefa8exe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2264

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:2344

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

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Downloads

memory/2264-18-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2264-0-0x00000000003D0000-0x0000000000432000-memory.dmp

Filesize
392KB

Download
memory/2264-2-0x0000000001F20000-0x0000000001F74000-memory.dmp

Filesize
336KB

Download
memory/2264-3-0x0000000004AD0000-0x0000000004B10000-memory.dmp

Filesize
256KB

Download
memory/2264-4-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/2264-1-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2344-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2344-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2344-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2344-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2344-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2344-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads