47f1c8fcd3a11775de3d3a486947d8b924ea1ab1882a1f32272b206a872a1a56

Analysis

max time kernel
132s
max time network
33s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
03-07-2023 18:50

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General

Target

T4XS.66.86.0.15.rom
Size

22.1MB
MD5

2b243f92f93c668b136095b12c40d40e
SHA1

2eff966f4969ba06f236134821e46c70fadad7e8
SHA256

47f1c8fcd3a11775de3d3a486947d8b924ea1ab1882a1f32272b206a872a1a56
SHA512

b0a24f66a6b8c747ce8789bb77e87fda69ae6a4e81e628908d3c0e8bf8a976c756578952ddc3ca914771fae679006f5e9b4cf80122b6caf85fa0ce05e58ffe2a
SSDEEP

393216:JRdZjEzBtLh8PnA7zSFCiIxvUlBZvDTEKPI44BiNjOeL1MxwpTy1EEhYI0HTmdAK:JLmzB9Oo78tkMlBZvDTfIxMS2T9VHTm5

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\.rom	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\.rom\ = "rom_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rom_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rom_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rom_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rom_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rom_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rom_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 480	2320	cmd.exe	29
PID 2320 wrote to memory of 480	2320	cmd.exe	29
PID 2320 wrote to memory of 480	2320	cmd.exe	29
PID 480 wrote to memory of 636	480	rundll32.exe	30
PID 480 wrote to memory of 636	480	rundll32.exe	30
PID 480 wrote to memory of 636	480	rundll32.exe	30
PID 480 wrote to memory of 636	480	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\T4XS.66.86.0.15.rom
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\T4XS.66.86.0.15.rom
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:480
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\T4XS.66.86.0.15.rom"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
0a4ab1cd11ad678ef4ef81ecaf8397c8

SHA1
ed2648278130d0b629b4f7e877231d8dae3829c9

SHA256
e53d1035ae82d6b31abfe4cf77702d112ed5cada4ae53993fd1ce021b75e1521

SHA512
b1b6140254fc405d69c4cc97287966b2ba8ec49103a0b852c4e005d542c171eaab63539022a151c358ab9b72283ed3ff4e5ad522bacb549e215a41f6169913d7

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