vkeylogger | 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-en-20211208
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

resource	yara_rule
behavioral1/memory/1740-58-0x0000000000080000-0x0000000000092000-memory.dmp	family_vkeylogger

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\grerg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 480 set thread context of 1740	480	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	27

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
480	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe
1740	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1740	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1740	explorer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 480 wrote to memory of 1740	480	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	27
PID 480 wrote to memory of 1740	480	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	27
PID 480 wrote to memory of 1740	480	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	27
PID 480 wrote to memory of 1740	480	SecuriteInfo.com.BackDoor.Siggen2.3475.2384.exe	27

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:480
- 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:1740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/480-55-0x0000000074EC1000-0x0000000074EC3000-memory.dmp

Filesize
8KB

Download
memory/1740-57-0x0000000074A11000-0x0000000074A13000-memory.dmp

Filesize
8KB

Download
memory/1740-58-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

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