snakekeylogger | 70c021052ad4b72188bf5d6c960e668524c7d538e9d30e4991269f7a5e79a566

General

Target

vbc.exe
Size

374KB
MD5

24e89d07e1071f93c8f8e0a03eeb7b9a
SHA1

981c5c627491a6952c14921289e7d60ba819f019
SHA256

70c021052ad4b72188bf5d6c960e668524c7d538e9d30e4991269f7a5e79a566
SHA512

84b617ab92a58122c5167a13c67fed43ac3e336e7dcd2d73370a2f54c8a903d047bffd5a97a4dc08f1460ba685db9fc4daafd7edadebc2430f77666d5c0afb2f

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5471298201:AAGFh758keN2eA73SQlIsmB91r4EW74GWCo/sendMessage?chat_id=5144477649

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/4580-142-0x0000000000400000-0x0000000000426000-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:

vbc.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	vbc.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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

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

Processes:

vbc.exe

description pid process target process

PID 1552 set thread context of 4580 1552 vbc.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:

powershell.exevbc.exeMSBuild.exe

pid process

4288 powershell.exe
4288 powershell.exe
1552 vbc.exe
1552 vbc.exe
4580 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exepowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1552 vbc.exe
Token: SeDebugPrivilege 4288 powershell.exe
Token: SeDebugPrivilege 4580 MSBuild.exe

flow	ioc
16	checkip.dyndns.org

description	pid	process	target process
PID 1552 set thread context of 4580	1552	vbc.exe	MSBuild.exe

pid	process
4288	powershell.exe
4288	powershell.exe
1552	vbc.exe
1552	vbc.exe
4580	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1552	vbc.exe
Token: SeDebugPrivilege	4288	powershell.exe
Token: SeDebugPrivilege	4580	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

vbc.exeMSBuild.exe

description	pid	process	target process
PID 1552 wrote to memory of 4288	1552	vbc.exe	powershell.exe
PID 1552 wrote to memory of 4288	1552	vbc.exe	powershell.exe
PID 1552 wrote to memory of 4288	1552	vbc.exe	powershell.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 1552 wrote to memory of 4580	1552	vbc.exe	MSBuild.exe
PID 4580 wrote to memory of 3972	4580	MSBuild.exe	netsh.exe
PID 4580 wrote to memory of 3972	4580	MSBuild.exe	netsh.exe
PID 4580 wrote to memory of 3972	4580	MSBuild.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288

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
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4580

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

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/1552-130-0x00000000001A0000-0x0000000000204000-memory.dmp

Filesize
400KB

Download
memory/1552-140-0x0000000005EF0000-0x0000000005F82000-memory.dmp

Filesize
584KB

Download
memory/3972-145-0x0000000000000000-mapping.dmp

Download
memory/4288-138-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/4288-132-0x0000000004A80000-0x0000000004AB6000-memory.dmp

Filesize
216KB

Download
memory/4288-135-0x00000000051F0000-0x0000000005256000-memory.dmp

Filesize
408KB

Download
memory/4288-136-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/4288-137-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/4288-133-0x0000000005260000-0x0000000005888000-memory.dmp

Filesize
6.2MB

Download
memory/4288-139-0x0000000006510000-0x000000000652A000-memory.dmp

Filesize
104KB

Download
memory/4288-134-0x0000000005050000-0x0000000005072000-memory.dmp

Filesize
136KB

Download
memory/4288-131-0x0000000000000000-mapping.dmp

Download
memory/4580-142-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4580-143-0x0000000005AF0000-0x0000000006094000-memory.dmp

Filesize
5.6MB

Download
memory/4580-144-0x00000000055E0000-0x000000000567C000-memory.dmp

Filesize
624KB

Download
memory/4580-141-0x0000000000000000-mapping.dmp

Download
memory/4580-146-0x0000000006630000-0x00000000067F2000-memory.dmp

Filesize
1.8MB

Download
memory/4580-147-0x00000000065F0000-0x00000000065FA000-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