snakekeylogger | e691ec947eca2d0cceec93a841a639238c1a69f96860fcbcd864c59a36dfac58

General

Target

Hzgbdtv.exe
Size

7KB
MD5

13f56221e7b4ef51feaa422a92804aaf
SHA1

c0dc841f1683b4588106ab80e46e7767cebcc354
SHA256

e691ec947eca2d0cceec93a841a639238c1a69f96860fcbcd864c59a36dfac58
SHA512

1c3d3a571f8eb4225bdd16b729663f3cca8b373f09e607b032641c1adedd0af3b34f0b3b9cb90a54c89afd761ec6d0d8ee88d6b8dcc05117b84341702dbe0fca
SSDEEP

96:OfGUTjV1Cs/61o2AlTYHSJ+A2BqtmWQHtEkOCJjVEIBRxzNt:OfT/V1Zxl32IcWQHzOCjJ/T

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5824924248:AAF4WKjJ8FxpNsC2HwCM114EP_g8rFkC4wQ/sendMessage?chat_id=2054148913

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/5060-143-0x0000000000400000-0x0000000000426000-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:

Hzgbdtv.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

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

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

Processes:

Hzgbdtv.exe

description pid process target process

PID 4736 set thread context of 5060 4736 Hzgbdtv.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 4 IoCs

Processes:

powershell.exeMSBuild.exe

pid process

1516 powershell.exe
1516 powershell.exe
5060 MSBuild.exe
5060 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Hzgbdtv.exepowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 4736 Hzgbdtv.exe
Token: SeDebugPrivilege 1516 powershell.exe
Token: SeDebugPrivilege 5060 MSBuild.exe

flow	ioc
13	checkip.dyndns.org

description	pid	process	target process
PID 4736 set thread context of 5060	4736	Hzgbdtv.exe	MSBuild.exe

pid	process
1516	powershell.exe
1516	powershell.exe
5060	MSBuild.exe
5060	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4736	Hzgbdtv.exe
Token: SeDebugPrivilege	1516	powershell.exe
Token: SeDebugPrivilege	5060	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Hzgbdtv.exe

description	pid	process	target process
PID 4736 wrote to memory of 1516	4736	Hzgbdtv.exe	powershell.exe
PID 4736 wrote to memory of 1516	4736	Hzgbdtv.exe	powershell.exe
PID 4736 wrote to memory of 1516	4736	Hzgbdtv.exe	powershell.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe
PID 4736 wrote to memory of 5060	4736	Hzgbdtv.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.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	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.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	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Hzgbdtv.exe
"C:\Users\Admin\AppData\Local\Temp\Hzgbdtv.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1516

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:5060

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1516-140-0x0000000007E30000-0x00000000084AA000-memory.dmp

Filesize
6.5MB

Download
memory/1516-136-0x0000000005840000-0x0000000005E68000-memory.dmp

Filesize
6.2MB

Download
memory/1516-139-0x00000000065D0000-0x00000000065EE000-memory.dmp

Filesize
120KB

Download
memory/1516-135-0x0000000002FE0000-0x0000000003016000-memory.dmp

Filesize
216KB

Download
memory/1516-141-0x0000000006AB0000-0x0000000006ACA000-memory.dmp

Filesize
104KB

Download
memory/1516-137-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Filesize
408KB

Download
memory/1516-138-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/1516-134-0x0000000000000000-mapping.dmp

Download
memory/4736-133-0x0000000006330000-0x0000000006352000-memory.dmp

Filesize
136KB

Download
memory/4736-132-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/5060-142-0x0000000000000000-mapping.dmp

Download
memory/5060-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5060-144-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/5060-145-0x0000000005370000-0x000000000540C000-memory.dmp

Filesize
624KB

Download
memory/5060-146-0x0000000006400000-0x00000000065C2000-memory.dmp

Filesize
1.8MB

Download
memory/5060-147-0x00000000065D0000-0x0000000006662000-memory.dmp

Filesize
584KB

Download
memory/5060-148-0x00000000063B0000-0x00000000063BA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads