vkeylogger | 734045009f0b155db1692141832332bb4fdc4511399a67a5e22835a2b72fc7bd

General

Target

tmp/dgt.exe
Size

245KB
MD5

b0e4ad8a749f5a154420e5f6d3eadbe0
SHA1

d9597f8e4d1b35acf9fed9622548946b83947bda
SHA256

734045009f0b155db1692141832332bb4fdc4511399a67a5e22835a2b72fc7bd
SHA512

dde672033bf3d426a6cedcb774bdca7815f3afab8fcdf8dc93016d3362c85a2e0134505747b96bab2e729533e91add660165aa3de106a5e701f2dbda2b0c8071

Score

10^/10

vkeylogger keylogger persistence stealer

Malware Config

Signatures

VKeylogger
A keylogger first seen in Nov 2020.
stealer keylogger vkeylogger

VKeylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3188-115-0x0000000000620000-0x000000000062F000-memory.dmp	family_vkeylogger
behavioral2/memory/3188-121-0x0000000000623500-mapping.dmp	family_vkeylogger
behavioral2/memory/2324-123-0x00000000036D0000-0x00000000036DF000-memory.dmp	family_vkeylogger

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeDriver = "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegSvcs.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\Firefox_update = "C:\\Windows\\system32\\mshta.exe javascript:x=new%20ActiveXObject(\"wscript.shell\");v=x.RegRead(\"HKCU\\\\Software\\\\Microsoft\\\\SMSvcHost\\\\ComponentID\");eval(v);"	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

dgt.exeRegSvcs.exe

description	pid	process	target process
PID 2480 set thread context of 3188	2480	dgt.exe	RegSvcs.exe
PID 3188 set thread context of 2324	3188	RegSvcs.exe	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

RegSvcs.exeexplorer.exe

pid process

3188 RegSvcs.exe
2324 explorer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

explorer.exe

pid process

2324 explorer.exe

pid	process
3188	RegSvcs.exe
2324	explorer.exe

pid	process
2324	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

dgt.exeRegSvcs.exe

description	pid	process	target process
PID 2480 wrote to memory of 3188	2480	dgt.exe	RegSvcs.exe
PID 2480 wrote to memory of 3188	2480	dgt.exe	RegSvcs.exe
PID 2480 wrote to memory of 3188	2480	dgt.exe	RegSvcs.exe
PID 2480 wrote to memory of 3188	2480	dgt.exe	RegSvcs.exe
PID 2480 wrote to memory of 3188	2480	dgt.exe	RegSvcs.exe
PID 3188 wrote to memory of 2324	3188	RegSvcs.exe	explorer.exe
PID 3188 wrote to memory of 2324	3188	RegSvcs.exe	explorer.exe
PID 3188 wrote to memory of 2324	3188	RegSvcs.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\tmp\dgt.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\dgt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2480

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3188

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
3⤵
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
PID:2324

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2324-122-0x00000000036D2E90-mapping.dmp

Download
memory/2324-123-0x00000000036D0000-0x00000000036DF000-memory.dmp

Filesize
60KB

Download
memory/3188-115-0x0000000000620000-0x000000000062F000-memory.dmp

Filesize
60KB

Download
memory/3188-121-0x0000000000623500-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads