vkeylogger | 7325d304e8560ff643a656fd3689adcaec39650840efa8273c4556f6532e98d5

General

Target

41d46166752bc1ca3251f45caaab670c.exe
Size

337KB
MD5

41d46166752bc1ca3251f45caaab670c
SHA1

bde17b99bd1502e04c644548f40fdb6212db2aa7
SHA256

7325d304e8560ff643a656fd3689adcaec39650840efa8273c4556f6532e98d5
SHA512

6606c144a73d59cf68080bfa58f8e26401d768be614bd94843a2eb003e457ee53487b0e9284e4dffaea9befeae1c57edd39f9e84d0c1df261b31372473077741

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

resource	yara_rule
behavioral1/memory/1084-56-0x0000000000220000-0x000000000022E000-memory.dmp	family_vkeylogger
behavioral1/memory/1084-58-0x0000000000400000-0x00000000004D5000-memory.dmp	family_vkeylogger
behavioral1/memory/1968-61-0x0000000000080000-0x000000000008F000-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-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run\fefgre = "C:\\Users\\Admin\\AppData\\Local\\Temp\\41d46166752bc1ca3251f45caaab670c.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run\ytyr = "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

description	pid	Process	procid_target
PID 1084 set thread context of 1968	1084	41d46166752bc1ca3251f45caaab670c.exe	27

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1084	41d46166752bc1ca3251f45caaab670c.exe
1968	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1968	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1968	explorer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1968	1084	41d46166752bc1ca3251f45caaab670c.exe	27
PID 1084 wrote to memory of 1968	1084	41d46166752bc1ca3251f45caaab670c.exe	27
PID 1084 wrote to memory of 1968	1084	41d46166752bc1ca3251f45caaab670c.exe	27
PID 1084 wrote to memory of 1968	1084	41d46166752bc1ca3251f45caaab670c.exe	27

C:\Users\Admin\AppData\Local\Temp\41d46166752bc1ca3251f45caaab670c.exe
"C:\Users\Admin\AppData\Local\Temp\41d46166752bc1ca3251f45caaab670c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1084
- 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:1968

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1084-54-0x000000000069B000-0x00000000006AC000-memory.dmp

Filesize
68KB

Download
memory/1084-55-0x000000000069B000-0x00000000006AC000-memory.dmp

Filesize
68KB

Download
memory/1084-56-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/1084-57-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1084-58-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/1968-60-0x0000000074F91000-0x0000000074F93000-memory.dmp

Filesize
8KB

Download
memory/1968-61-0x0000000000080000-0x000000000008F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing