snakekeylogger | 16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738

General

Target

NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe
Size

366KB
MD5

3c1ade1441ef11aed8496b742eab197b
SHA1

06ebde82c367791c03196888fb2fcc7721296564
SHA256

16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738
SHA512

79f35c1f552040fd3f5273aa288bbcc86662a325dc9fd5c1817d127568a5edd3337c9b124583c3e09d07c446dcdc2b6b515227ec0d987b6b8444f342046715a6
SSDEEP

6144:L0nJBIKD2SJMz2dR8rZNlvzGSTo5xBB9VVh8YZWUBwDPlj3y4QTdk6ceh9X3P92D:sJfD2S+nRqx39Xh88VBIlzy4Qpk6ceXx

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4880-8-0x0000000000400000-0x0000000000424000-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-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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

18 checkip.dyndns.org

flow	ioc
18	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe

description	pid	process	target process
PID 3848 set thread context of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

4880 RegAsm.exe
4880 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4880 RegAsm.exe

pid	process
4880	RegAsm.exe
4880	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4880	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe

description	pid	process	target process
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe
PID 3848 wrote to memory of 4880	3848	NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.16f9ece070a18550dedbb5e3bb6f256d79e9853b2d3e049dba379cba0ea4b738exe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3848

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:4880

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/3848-11-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/3848-1-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/3848-2-0x0000000004D30000-0x0000000004D84000-memory.dmp

Filesize
336KB

Download
memory/3848-3-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/3848-4-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/3848-5-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/3848-6-0x0000000005020000-0x00000000050BC000-memory.dmp

Filesize
624KB

Download
memory/3848-7-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/3848-0-0x0000000000370000-0x00000000003D2000-memory.dmp

Filesize
392KB

Download
memory/4880-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4880-10-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4880-12-0x0000000004CF0000-0x0000000004D00000-memory.dmp

Filesize
64KB

Download
memory/4880-13-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4880-14-0x0000000004CF0000-0x0000000004D00000-memory.dmp

Filesize
64KB

Download
memory/4880-15-0x0000000005AB0000-0x0000000005B00000-memory.dmp

Filesize
320KB

Download
memory/4880-16-0x0000000005CD0000-0x0000000005E92000-memory.dmp

Filesize
1.8MB

Download
memory/4880-17-0x0000000005C70000-0x0000000005C7A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads