snakekeylogger | 37e2d7561400f8872ec3c2f4f484a5275c36fb82ee98580e2dfe3b71ba1629bd

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
05-07-2022 12:02

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General

Target

4214190838420220705 09222727 HesapO.exe
Size

797KB
MD5

130ed2e738b249c2b1957aaa561008f5
SHA1

9ea02b6e8fb044eb486a34cc05b380145d51de30
SHA256

37e2d7561400f8872ec3c2f4f484a5275c36fb82ee98580e2dfe3b71ba1629bd
SHA512

3142ecfb0a263cbd4d04c142258723c72ae4f2edd989ebb178a80b49f8b0aaed9413d3af48144ef14fefad31902b04d94000c4c292f13327f43d599a34db8fbc

Score

10^/10

snakekeylogger collection evasion keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5412042498:AAH4OVSAlB-9yvO0MxObTPVF8mPej6Ln4M4/sendMessage?chat_id=5573520537

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/1192-142-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

4214190838420220705 09222727 HesapO.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions 4214190838420220705 09222727 HesapO.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

4214190838420220705 09222727 HesapO.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools 4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	4214190838420220705 09222727 HesapO.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4214190838420220705 09222727 HesapO.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4214190838420220705 09222727 HesapO.exe

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:

4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	4214190838420220705 09222727 HesapO.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:

4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4214190838420220705 09222727 HesapO.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4214190838420220705 09222727 HesapO.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4214190838420220705 09222727 HesapO.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

41 checkip.dyndns.org

flow	ioc
41	checkip.dyndns.org

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4214190838420220705 09222727 HesapO.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4214190838420220705 09222727 HesapO.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4214190838420220705 09222727 HesapO.exe

description	pid	process	target process
PID 1528 set thread context of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.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

2732 schtasks.exe

pid	process
2732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

4214190838420220705 09222727 HesapO.exepowershell.exe4214190838420220705 09222727 HesapO.exe

pid	process
1528	4214190838420220705 09222727 HesapO.exe
1528	4214190838420220705 09222727 HesapO.exe
1528	4214190838420220705 09222727 HesapO.exe
432	powershell.exe
1528	4214190838420220705 09222727 HesapO.exe
1192	4214190838420220705 09222727 HesapO.exe
432	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4214190838420220705 09222727 HesapO.exepowershell.exe4214190838420220705 09222727 HesapO.exe

description	pid	process
Token: SeDebugPrivilege	1528	4214190838420220705 09222727 HesapO.exe
Token: SeDebugPrivilege	432	powershell.exe
Token: SeDebugPrivilege	1192	4214190838420220705 09222727 HesapO.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

4214190838420220705 09222727 HesapO.exe

description	pid	process	target process
PID 1528 wrote to memory of 432	1528	4214190838420220705 09222727 HesapO.exe	powershell.exe
PID 1528 wrote to memory of 432	1528	4214190838420220705 09222727 HesapO.exe	powershell.exe
PID 1528 wrote to memory of 432	1528	4214190838420220705 09222727 HesapO.exe	powershell.exe
PID 1528 wrote to memory of 2732	1528	4214190838420220705 09222727 HesapO.exe	schtasks.exe
PID 1528 wrote to memory of 2732	1528	4214190838420220705 09222727 HesapO.exe	schtasks.exe
PID 1528 wrote to memory of 2732	1528	4214190838420220705 09222727 HesapO.exe	schtasks.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe
PID 1528 wrote to memory of 1192	1528	4214190838420220705 09222727 HesapO.exe	4214190838420220705 09222727 HesapO.exe

outlook_office_path 1 IoCs

Processes:

4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4214190838420220705 09222727 HesapO.exe

outlook_win_path 1 IoCs

Processes:

4214190838420220705 09222727 HesapO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4214190838420220705 09222727 HesapO.exe

C:\Users\Admin\AppData\Local\Temp\4214190838420220705 09222727 HesapO.exe
"C:\Users\Admin\AppData\Local\Temp\4214190838420220705 09222727 HesapO.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gdboFfFRcT.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:432

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gdboFfFRcT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4527.tmp"
2⤵
- Creates scheduled task(s)
PID:2732

C:\Users\Admin\AppData\Local\Temp\4214190838420220705 09222727 HesapO.exe
"C:\Users\Admin\AppData\Local\Temp\4214190838420220705 09222727 HesapO.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1192

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

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\tmp4527.tmp
Filesize
1KB

MD5
c68c359ebce62ab66972987a2ec8e800

SHA1
3ea16adc4b91840f6c24509c742888745e7dfba5

SHA256
3901146c417ea045d2201ac22ebf5d3310d0df745412b736e9f1de523f32d4ce

SHA512
a97975bb5f360992f3790533044fb20c421354a13f7ffa3f5b480d7a00002d7567c976fe5a279f07d8abd3c047bd6cbd2f7c3aa7a231e7ccd5034f716afee050

Download Submit
memory/432-148-0x00000000706C0000-0x000000007070C000-memory.dmp

Filesize
304KB

Download
memory/432-150-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/432-144-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download
memory/432-145-0x0000000005F50000-0x0000000005F6E000-memory.dmp

Filesize
120KB

Download
memory/432-155-0x00000000075A0000-0x00000000075BA000-memory.dmp

Filesize
104KB

Download
memory/432-136-0x0000000000000000-mapping.dmp

Download
memory/432-154-0x0000000007490000-0x000000000749E000-memory.dmp

Filesize
56KB

Download
memory/432-138-0x00000000049B0000-0x00000000049E6000-memory.dmp

Filesize
216KB

Download
memory/432-153-0x00000000074D0000-0x0000000007566000-memory.dmp

Filesize
600KB

Download
memory/432-140-0x0000000005020000-0x0000000005648000-memory.dmp

Filesize
6.2MB

Download
memory/432-143-0x0000000004F80000-0x0000000004FA2000-memory.dmp

Filesize
136KB

Download
memory/432-152-0x00000000072C0000-0x00000000072CA000-memory.dmp

Filesize
40KB

Download
memory/432-156-0x0000000007580000-0x0000000007588000-memory.dmp

Filesize
32KB

Download
memory/432-151-0x0000000007250000-0x000000000726A000-memory.dmp

Filesize
104KB

Download
memory/432-149-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/432-147-0x0000000006F20000-0x0000000006F52000-memory.dmp

Filesize
200KB

Download
memory/1192-146-0x0000000006C50000-0x0000000006E12000-memory.dmp

Filesize
1.8MB

Download
memory/1192-141-0x0000000000000000-mapping.dmp

Download
memory/1192-142-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1528-130-0x0000000000530000-0x00000000005FC000-memory.dmp

Filesize
816KB

Download
memory/1528-134-0x0000000008D50000-0x0000000008DEC000-memory.dmp

Filesize
624KB

Download
memory/1528-132-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/1528-133-0x0000000004F90000-0x0000000004F9A000-memory.dmp

Filesize
40KB

Download
memory/1528-131-0x0000000005470000-0x0000000005A14000-memory.dmp

Filesize
5.6MB

Download
memory/1528-135-0x0000000009090000-0x00000000090F6000-memory.dmp

Filesize
408KB

Download
memory/2732-137-0x0000000000000000-mapping.dmp

Download