snakekeylogger | d305aa9539f2074ac6b663b385cd9e3905dd3f9b1755cf8d9d3b724c3831a16e

General

Target

scan_invoice08022022.exe
Size

987KB
MD5

74b81196baf04c9ca3c20b05c209535a
SHA1

3472af8b7fba4eed2e22d1603ffcdd2c1913f2d5
SHA256

d305aa9539f2074ac6b663b385cd9e3905dd3f9b1755cf8d9d3b724c3831a16e
SHA512

81ede5795f9411f9acc35084c947b06e54d95eec7bd217080c8cd3d82622f3f6e065a630f6115e7c9f82f170bf3755da9812d26acaa9d97d410b082eb0c5ac7a
SSDEEP

24576:IhLuyyepsA0mIBGHmujp66s7l/mpfUp60L:sLuyye2AGQGuYZwps0

Score

10^/10

snakekeylogger collection evasion keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5633295549:AAH9lzzrf8Ep6i2K5UISY92DSUSu9k_w37Y/sendMessage?chat_id=5671926480

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/924-143-0x0000000000400000-0x0000000000436000-memory.dmp	family_snakekeylogger

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

scan_invoice08022022.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions scan_invoice08022022.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

scan_invoice08022022.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools scan_invoice08022022.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	scan_invoice08022022.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	scan_invoice08022022.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:

scan_invoice08022022.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	scan_invoice08022022.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	scan_invoice08022022.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:

scan_invoice08022022.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	scan_invoice08022022.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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

34 checkip.dyndns.org

flow	ioc
34	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:

scan_invoice08022022.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	scan_invoice08022022.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	scan_invoice08022022.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

scan_invoice08022022.exe

description pid process target process

PID 2540 set thread context of 924 2540 scan_invoice08022022.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

scan_invoice08022022.exepowershell.exeMSBuild.exe

pid process

2540 scan_invoice08022022.exe
2540 scan_invoice08022022.exe
2728 powershell.exe
924 MSBuild.exe
2728 powershell.exe

description	pid	process	target process
PID 2540 set thread context of 924	2540	scan_invoice08022022.exe	MSBuild.exe

pid	process
2540	scan_invoice08022022.exe
2540	scan_invoice08022022.exe
2728	powershell.exe
924	MSBuild.exe
2728	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

scan_invoice08022022.exepowershell.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2540	scan_invoice08022022.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	924	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

scan_invoice08022022.exe

description	pid	process	target process
PID 2540 wrote to memory of 2728	2540	scan_invoice08022022.exe	powershell.exe
PID 2540 wrote to memory of 2728	2540	scan_invoice08022022.exe	powershell.exe
PID 2540 wrote to memory of 2728	2540	scan_invoice08022022.exe	powershell.exe
PID 2540 wrote to memory of 3652	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 3652	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 3652	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe
PID 2540 wrote to memory of 924	2540	scan_invoice08022022.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\scan_invoice08022022.exe
"C:\Users\Admin\AppData\Local\Temp\scan_invoice08022022.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:2540

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\scan_invoice08022022.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:3652

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:924

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

5

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/924-142-0x0000000000000000-mapping.dmp

Download
memory/924-147-0x00000000062E0000-0x00000000064A2000-memory.dmp

Filesize
1.8MB

Download
memory/924-143-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2540-133-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/2540-134-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/2540-135-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/2540-136-0x00000000090F0000-0x000000000918C000-memory.dmp

Filesize
624KB

Download
memory/2540-137-0x0000000009200000-0x0000000009266000-memory.dmp

Filesize
408KB

Download
memory/2540-132-0x00000000003A0000-0x000000000049C000-memory.dmp

Filesize
1008KB

Download
memory/2728-144-0x00000000054F0000-0x0000000005512000-memory.dmp

Filesize
136KB

Download
memory/2728-150-0x0000000007330000-0x000000000734E000-memory.dmp

Filesize
120KB

Download
memory/2728-140-0x00000000055D0000-0x0000000005BF8000-memory.dmp

Filesize
6.2MB

Download
memory/2728-139-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

Filesize
216KB

Download
memory/2728-145-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/2728-146-0x00000000063A0000-0x00000000063BE000-memory.dmp

Filesize
120KB

Download
memory/2728-138-0x0000000000000000-mapping.dmp

Download
memory/2728-148-0x0000000007370000-0x00000000073A2000-memory.dmp

Filesize
200KB

Download
memory/2728-149-0x000000006FE80000-0x000000006FECC000-memory.dmp

Filesize
304KB

Download
memory/2728-157-0x00000000079E0000-0x00000000079E8000-memory.dmp

Filesize
32KB

Download
memory/2728-151-0x0000000007D00000-0x000000000837A000-memory.dmp

Filesize
6.5MB

Download
memory/2728-152-0x00000000076C0000-0x00000000076DA000-memory.dmp

Filesize
104KB

Download
memory/2728-153-0x0000000007730000-0x000000000773A000-memory.dmp

Filesize
40KB

Download
memory/2728-154-0x0000000007940000-0x00000000079D6000-memory.dmp

Filesize
600KB

Download
memory/2728-155-0x00000000078F0000-0x00000000078FE000-memory.dmp

Filesize
56KB

Download
memory/2728-156-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/3652-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads