vkeylogger | 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965

Analysis

max time kernel
92s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
09-03-2022 21:51

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General

Target

SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe
Size

74KB
MD5

ba4380237e7a0f220deaaada1fddff73
SHA1

394b852855574cffa26a66bec083792a21f87f79
SHA256

57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965
SHA512

5e70426b3547020f93c62764f418ff7d475f4bf772130b056f33884e7b155b9675a4af292b356bd9897c5e6c665488989d7400dfb452d8544d1252b3e3798142

Score

10^/10

vkeylogger keylogger persistence stealer

Malware Config

Signatures

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

VKeylogger Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3912-130-0x0000000000370000-0x0000000000382000-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-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\grerg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yrty = "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 1 IoCs

Processes:

SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe

description pid process target process

PID 4376 set thread context of 3912 4376 SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exeexplorer.exe

pid process

4376 SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe
3912 explorer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

explorer.exe

pid process

3912 explorer.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

3912 explorer.exe

description	pid	process	target process
PID 4376 set thread context of 3912	4376	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	explorer.exe

pid	process
4376	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe
3912	explorer.exe

pid	process
3912	explorer.exe

pid	process
3912	explorer.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe

description	pid	process	target process
PID 4376 wrote to memory of 3912	4376	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	explorer.exe
PID 4376 wrote to memory of 3912	4376	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	explorer.exe
PID 4376 wrote to memory of 3912	4376	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4376

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3912-130-0x0000000000370000-0x0000000000382000-memory.dmp

Filesize
72KB

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