snakekeylogger | 5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1

General

Target

NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe
Size

447KB
MD5

219d233c4c50db433d953f5f7fdffed5
SHA1

49079a1e8bbba9e82a4ae8e9aaf098ae5691a458
SHA256

5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1
SHA512

7664b48fe58471fdc36b8a610ccbe4cbddaab0407f892d523686f53ded89e8f864e29938e05121966c1e860b5f40e2193be3c87c8b76c8e74333d0c698e69b70
SSDEEP

12288:mJfD2S+nRXKQV+dHhZdZcZm2TPZHhBak6ceXu0mOFH2m:GbzgRXKm+dHhZdZcZmyEk6Lz

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/1088-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1088-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1088-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1088-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1088-20-0x0000000000400000-0x0000000000424000-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\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
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\15.0\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.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe

description	pid	process	target process
PID 2152 set thread context of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1088 RegAsm.exe
1088 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1088 RegAsm.exe

pid	process
1088	RegAsm.exe
1088	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1088	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe

description	pid	process	target process
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe	RegAsm.exe
PID 2152 wrote to memory of 1088	2152	NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_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.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5304e329eb59cd3685412e48275824e7a235f28186493d08935c9db576d6c2a1exe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2152

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:1088

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/1088-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1088-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1088-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2152-1-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-0-0x00000000013C0000-0x0000000001436000-memory.dmp

Filesize
472KB

Download
memory/2152-4-0x0000000000590000-0x000000000059A000-memory.dmp

Filesize
40KB

Download
memory/2152-3-0x00000000049B0000-0x00000000049F0000-memory.dmp

Filesize
256KB

Download
memory/2152-19-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-2-0x00000000005E0000-0x0000000000634000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads