07548b3bd8978a673ba74f5949d438685b8e569e092d057d04f305655714494b

Resubmissions

13/02/2024, 03:28

240213-d1bskshe72 7

13/02/2024, 03:26

240213-dzfp5shd54 7

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 03:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Lucifer/branding/expiredmsg.tfx
Size

97B
MD5

ce50d8435c76d1689db6cabaaa25bdb2
SHA1

66f0efd7975e14413f18760fec43a10672381ef9
SHA256

498fcede2ecb5c1562c2ce93b2ad9ba5de9045a9150bfee45ea24619065f8728
SHA512

5d14be47c0965e3f1de4d6314aea03bb26f85324a4e82991f10d0fe2e55afd110c3b94a13b8806a3f6bdccb3e27388d612017eccc6805a5b725106feea038e10

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
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.tfx	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.tfx\ = "tfx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2720	1980	cmd.exe	29
PID 1980 wrote to memory of 2720	1980	cmd.exe	29
PID 1980 wrote to memory of 2720	1980	cmd.exe	29
PID 2720 wrote to memory of 2604	2720	rundll32.exe	30
PID 2720 wrote to memory of 2604	2720	rundll32.exe	30
PID 2720 wrote to memory of 2604	2720	rundll32.exe	30
PID 2720 wrote to memory of 2604	2720	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Lucifer\branding\expiredmsg.tfx
1⤵
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Lucifer\branding\expiredmsg.tfx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2720
- - 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\Lucifer\branding\expiredmsg.tfx"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
d25fa78a23804704e263189b750713e8

SHA1
24dd636519718d83b888792aa05afb90f6dce09b

SHA256
de56446487e466ba537b0f8c3d4b935e45e57f69a1c8523ddbe12ac57bdf6765

SHA512
9ddf96353fa3859b854265ad5cd0699c3bb908de17fcf11eb38d0ec92c5a670370fb68c7c13985776cbe52a904ad68df2450d476dcd35e38b1d8721b7f361d6f

Download Submit