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
128s
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

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General

Target

Lucifer/branding/tools.tfx
Size

16KB
MD5

92d1d945d43fd377fde2dcd710e0f4b1
SHA1

d0fd62870e5cba1c7fe0184f87ede580979456c1
SHA256

e7ab4393867edac46f0f8a3334b8cfa0c659f76254404c57c0f6f1eca6407520
SHA512

bef4edce4b2a82e93bc3e92693fc064fa57984df1fb3b7faf9f6e27162d7baa64277ca1784a3b1167a97d2ea4909047022f3960068303f2c9cad242d89c60fcc
SSDEEP

384:hlcM5ca8eTx+wKIrlIwkhkQAESAqxLGkOhkqdlcM5ca8eTx+wKIrlIwkhkQAESAf:hlcM5ca8eTx+wKIrlIwkhkQAESAqxLGQ

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-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\tfx_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\tfx_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\.tfx	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\.tfx\ = "tfx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\tfx_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_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-1-5-21-2444714103-3190537498-3629098939-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\tfx_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\tfx_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2700	AcroRd32.exe
2700	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2724	1456	cmd.exe	29
PID 1456 wrote to memory of 2724	1456	cmd.exe	29
PID 1456 wrote to memory of 2724	1456	cmd.exe	29
PID 2724 wrote to memory of 2700	2724	rundll32.exe	30
PID 2724 wrote to memory of 2700	2724	rundll32.exe	30
PID 2724 wrote to memory of 2700	2724	rundll32.exe	30
PID 2724 wrote to memory of 2700	2724	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Lucifer\branding\tools.tfx
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- 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\tools.tfx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\tools.tfx"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2700

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

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Downloads

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

Filesize
3KB

MD5
e0115928e95a25663b0d957c97cea538

SHA1
801e043e9403a8dede53f28143ef3bd9f6eb6d2e

SHA256
7f79e13528934abe3f688d10b12a2ce4410058e13d17e8dc4ad4db285e7ff811

SHA512
b2ca25b5bd8a7948b08258eac2fc60954393ae678f19be9660ef1b44a0223aa039b350d25abc9110f788362be37e8935fb4bcf8e403315b3ae47f99201bbc2e2

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