snakekeylogger | 0dd0c3082323a331ad2d5d36f5f7f3ac11826772077df7462da3229525d97862

General

Target

Sunfloww.exe
Size

458KB
MD5

9336e1b94359080686ac7d96212cd60c
SHA1

8cccdb6b4fbd9eee8ba4fe398c32da41f160b6f3
SHA256

0dd0c3082323a331ad2d5d36f5f7f3ac11826772077df7462da3229525d97862
SHA512

5a3ccf855581e51a188eee350928dbb56293ba345490b188207101f0ddb4162b5ca0eae12d0a65aedb6255be9e989c25d33d25a21a2d238b064892af24563ba1
SSDEEP

6144:Rk5+kbkZJ0aU7BfOp+1nRReEgNac8E9baVa0+f9g819Ri9WFYop10:Rk5Zki1pPOocCVax919RaW+w2

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.gulfparksuites.com
Port:
587
Username:
[email protected]
Password:
Dammam2020

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/2760-7-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2760-8-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2760-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2760-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2760-16-0x0000000000400000-0x0000000000424000-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-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Sunfloww.exe

description pid process target process

PID 1872 set thread context of 2760 1872 Sunfloww.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2760 RegAsm.exe
2760 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2760 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 1872 set thread context of 2760	1872	Sunfloww.exe	RegAsm.exe

pid	process
2760	RegAsm.exe
2760	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2760	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Sunfloww.exe

description	pid	process	target process
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe
PID 1872 wrote to memory of 2760	1872	Sunfloww.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\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-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Sunfloww.exe
"C:\Users\Admin\AppData\Local\Temp\Sunfloww.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1872

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:2760

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/1872-0-0x0000000001030000-0x00000000010A8000-memory.dmp

Filesize
480KB

Download
memory/1872-1-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/1872-2-0x0000000000440000-0x0000000000476000-memory.dmp

Filesize
216KB

Download
memory/1872-3-0x0000000004E10000-0x0000000004E50000-memory.dmp

Filesize
256KB

Download
memory/1872-4-0x0000000000270000-0x000000000027A000-memory.dmp

Filesize
40KB

Download
memory/1872-14-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-6-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2760-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2760-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2760-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2760-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2760-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2760-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads