snakekeylogger | 4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51

General

Target

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
Size

404KB
MD5

0510813ffec6988f2259fb1ca510140f
SHA1

22e331320f6a81af1026c9fedf1d974454d9479b
SHA256

4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51
SHA512

9e9c4f25622a79efd3bae64b044456dae9ab25a811da4379f6c30a561e526a0216e5be4e3c80de7d37dec611d14c66d3a346ab03295446061d0397b629c101dd
SSDEEP

12288:v1cNNUaPs5nNmKRC/QYKpXTAQQ0M4R7VNcdYF+oCHzwap:tX7C/oDAQW4vNcdE+oCTD

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6451035249:AAF4aXcjE9hZyAlDoFqRoxDvaCcVNGM1SGQ/sendMessage?chat_id=6527793614

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3836-8-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/3836-13-0x00000000056B0000-0x00000000056C0000-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:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Npvlav = "C:\\Users\\Admin\\AppData\\Roaming\\Npvlav.exe"	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.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

7 checkip.dyndns.org

flow	ioc
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

description	pid	process	target process
PID 1040 set thread context of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

pid	process
3836	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
3836	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exeNEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

description	pid	process
Token: SeDebugPrivilege	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
Token: SeDebugPrivilege	3836	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

description	pid	process	target process
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
PID 1040 wrote to memory of 3836	1040	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

outlook_office_path 1 IoCs

Processes:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

outlook_win_path 1 IoCs

Processes:

NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040

C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS4c076ca3a33549fac8442be24c36aa480b6659e65816aa2a2a0292c1fe7a4a51exeexeexe_JC.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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/1040-0-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-1-0x00000000003E0000-0x000000000044C000-memory.dmp

Filesize
432KB

Download
memory/1040-2-0x0000000004CC0000-0x0000000004D08000-memory.dmp

Filesize
288KB

Download
memory/1040-3-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/1040-4-0x0000000004D10000-0x0000000004D46000-memory.dmp

Filesize
216KB

Download
memory/1040-5-0x0000000004D50000-0x0000000004D9C000-memory.dmp

Filesize
304KB

Download
memory/1040-6-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/1040-11-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/3836-10-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/3836-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3836-12-0x0000000005360000-0x00000000053FC000-memory.dmp

Filesize
624KB

Download
memory/3836-13-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/3836-14-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/3836-15-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/3836-16-0x00000000011F0000-0x0000000001240000-memory.dmp

Filesize
320KB

Download
memory/3836-17-0x00000000067F0000-0x00000000069B2000-memory.dmp

Filesize
1.8MB

Download
memory/3836-18-0x00000000069C0000-0x0000000006A52000-memory.dmp

Filesize
584KB

Download
memory/3836-19-0x0000000005350000-0x000000000535A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads