8f879d031041b092438350311423f478ea0f57a5225cd8686d6bb42722d6ddfc

Analysis

max time kernel
122s
max time network
156s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 22:40

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General

Target

05e6f9c2c83bac8748277f1b1426eac3.dll
Size

60KB
MD5

05e6f9c2c83bac8748277f1b1426eac3
SHA1

1da78b870b200adc018dc3717eb08eb49e481942
SHA256

8f879d031041b092438350311423f478ea0f57a5225cd8686d6bb42722d6ddfc
SHA512

af676ecdbd64b319268f1b353d1d0f325f27e37813e5567ce33125ae48b421c7d051f8ef5d21fb434e23e5a35d166d7c9e89c6db59b14a4f24ff1b246f4c669c
SSDEEP

1536:9JiYU3BtpCdtWMrd4IJfzc5TOtnVxhxMU:9Jil3BHCdtWxSLMTOtVxgU

Score

8^/10

persistence vmprotect

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2664-0-0x0000000010000000-0x000000001000F000-memory.dmp	vmprotect
behavioral1/memory/2664-1-0x0000000010000000-0x000000001000F000-memory.dmp	vmprotect

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
528	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	rundll32.exe
2664	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2664	2184	rundll32.exe	28
PID 2184 wrote to memory of 2664	2184	rundll32.exe	28
PID 2184 wrote to memory of 2664	2184	rundll32.exe	28
PID 2184 wrote to memory of 2664	2184	rundll32.exe	28
PID 2184 wrote to memory of 2664	2184	rundll32.exe	28
PID 2184 wrote to memory of 2664	2184	rundll32.exe	28
PID 2184 wrote to memory of 2664	2184	rundll32.exe	28
PID 2664 wrote to memory of 2516	2664	rundll32.exe	29
PID 2664 wrote to memory of 2516	2664	rundll32.exe	29
PID 2664 wrote to memory of 2516	2664	rundll32.exe	29
PID 2664 wrote to memory of 2516	2664	rundll32.exe	29
PID 2516 wrote to memory of 528	2516	cmd.exe	31
PID 2516 wrote to memory of 528	2516	cmd.exe	31
PID 2516 wrote to memory of 528	2516	cmd.exe	31
PID 2516 wrote to memory of 528	2516	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e6f9c2c83bac8748277f1b1426eac3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e6f9c2c83bac8748277f1b1426eac3.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2516
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/2664-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/2664-1-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download