snakekeylogger | c99b050645ebbc138018a9dcb4c3029bc1a9aa9376e7541c1011e815942948e1

Resubmissions

01-02-2023 17:02

230201-vj6p3aah39 10

01-02-2023 17:00

230201-vjf5eacg4s 10

01-02-2023 16:57

230201-vgbrxacg2y 10

Analysis

max time kernel
505s
max time network
507s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2023 17:02

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General

Target

9dc5600bedda76a29aa0e33da951fc30.exe
Size

504KB
MD5

9dc5600bedda76a29aa0e33da951fc30
SHA1

9daa8192ef8b03ee276de60e656a56b88ec2d074
SHA256

e966cd1651a960bc88f3582b328d274b2cbf2b84d59df761cbcd1702c38d5a14
SHA512

96e37c9a6342d09799138a97e1928d595aabf36ee5a250d7bba5c3397117a6bb0d19063cf305e1af6799aad6fbeb9257d429454340953203118fa288a0f74804
SSDEEP

12288:8RFO4oYvuoQouswXH06WAx5HSbr8z9i7+pvdCWtO:8TO4UdrE6J4r8zw6Rsh

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
francode@newwinbelt-cn.com
Password:
ROe!AB$3

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral6/memory/4568-143-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	9dc5600bedda76a29aa0e33da951fc30.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.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

26 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description pid process target process

PID 4848 set thread context of 4568 4848 9dc5600bedda76a29aa0e33da951fc30.exe 9dc5600bedda76a29aa0e33da951fc30.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2024 schtasks.exe

flow	ioc
26	checkip.dyndns.org

description	pid	process	target process
PID 4848 set thread context of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe

pid	process
2024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe9dc5600bedda76a29aa0e33da951fc30.exepowershell.exe

pid	process
4848	9dc5600bedda76a29aa0e33da951fc30.exe
4848	9dc5600bedda76a29aa0e33da951fc30.exe
4568	9dc5600bedda76a29aa0e33da951fc30.exe
1616	powershell.exe
1616	powershell.exe
4568	9dc5600bedda76a29aa0e33da951fc30.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exepowershell.exe9dc5600bedda76a29aa0e33da951fc30.exe

description	pid	process
Token: SeDebugPrivilege	4848	9dc5600bedda76a29aa0e33da951fc30.exe
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	4568	9dc5600bedda76a29aa0e33da951fc30.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	pid	process	target process
PID 4848 wrote to memory of 1616	4848	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 4848 wrote to memory of 1616	4848	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 4848 wrote to memory of 1616	4848	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 4848 wrote to memory of 2024	4848	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 4848 wrote to memory of 2024	4848	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 4848 wrote to memory of 2024	4848	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 4848 wrote to memory of 4568	4848	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe

outlook_office_path 1 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe

outlook_win_path 1 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe

C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe
"C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDBgQhSevZPJlf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDBgQhSevZPJlf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp995.tmp"
2⤵
- Creates scheduled task(s)
PID:2024

C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe
"C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp995.tmp
Filesize
1KB

MD5
d1179ce6436f309d5918611196341e77

SHA1
b9ca3207709f56ecbe614c3c39f66855394b50aa

SHA256
7150406761e072c460cd6fcbf503d48ae9d4829eee6e99fa68984906ebd9b2ec

SHA512
3f6b0cc430438ab9273a1c89ecdfbdcedd01395642c8f18f7022b17c54364464032acc723c2fc4e4016f7ae4e15f2b94edad2fd44b0bd1557a2844d3f014fd37

Download Submit
memory/1616-150-0x0000000006A90000-0x0000000006AAE000-memory.dmp

Filesize
120KB

Download
memory/1616-144-0x0000000005520000-0x0000000005542000-memory.dmp

Filesize
136KB

Download
memory/1616-146-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/1616-147-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/1616-137-0x0000000000000000-mapping.dmp

Download
memory/1616-153-0x0000000007850000-0x000000000785A000-memory.dmp

Filesize
40KB

Download
memory/1616-139-0x0000000004F00000-0x0000000004F36000-memory.dmp

Filesize
216KB

Download
memory/1616-145-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/1616-141-0x0000000005670000-0x0000000005C98000-memory.dmp

Filesize
6.2MB

Download
memory/1616-152-0x00000000077E0000-0x00000000077FA000-memory.dmp

Filesize
104KB

Download
memory/1616-151-0x0000000007E20000-0x000000000849A000-memory.dmp

Filesize
6.5MB

Download
memory/1616-154-0x0000000007A60000-0x0000000007AF6000-memory.dmp

Filesize
600KB

Download
memory/1616-155-0x0000000007A10000-0x0000000007A1E000-memory.dmp

Filesize
56KB

Download
memory/1616-157-0x0000000007B00000-0x0000000007B08000-memory.dmp

Filesize
32KB

Download
memory/1616-156-0x0000000007B20000-0x0000000007B3A000-memory.dmp

Filesize
104KB

Download
memory/1616-148-0x0000000006AD0000-0x0000000006B02000-memory.dmp

Filesize
200KB

Download
memory/1616-149-0x0000000070C80000-0x0000000070CCC000-memory.dmp

Filesize
304KB

Download
memory/2024-138-0x0000000000000000-mapping.dmp

Download
memory/4568-158-0x00000000065F0000-0x00000000067B2000-memory.dmp

Filesize
1.8MB

Download
memory/4568-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4568-142-0x0000000000000000-mapping.dmp

Download
memory/4848-133-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/4848-132-0x0000000000B50000-0x0000000000BD2000-memory.dmp

Filesize
520KB

Download
memory/4848-136-0x0000000007D50000-0x0000000007DEC000-memory.dmp

Filesize
624KB

Download
memory/4848-135-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download
memory/4848-134-0x00000000055C0000-0x0000000005652000-memory.dmp

Filesize
584KB

Download