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
129s
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/admin.tfx
Size

15KB
MD5

d936f331bf5b8c9b477d31007eab21c1
SHA1

2f96622785fe208135e5b4475f0ba1aac57a4dac
SHA256

6055ce50b13b10ec337477517933775e7aabe55d7f38d04ecdac7c2c4baf6f5e
SHA512

623d94d825354643c3888d90a888109fd26f7c6d427769c938b7b4748580b3826d55c361f5af542db0858e26d80ecb1309d8ad689f5ba687274266064a57921a
SSDEEP

384:hlcpaqx5BeTQ83g6wPELZ3UmOrdESAnRap1LlRlcpaqx5BeTQ83g6wPELZ3UmOr/:hlcpaqx5BeTQ83g6wPELZ3UmOrdESAnH

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2740	2668	cmd.exe	29
PID 2668 wrote to memory of 2740	2668	cmd.exe	29
PID 2668 wrote to memory of 2740	2668	cmd.exe	29
PID 2740 wrote to memory of 2616	2740	rundll32.exe	30
PID 2740 wrote to memory of 2616	2740	rundll32.exe	30
PID 2740 wrote to memory of 2616	2740	rundll32.exe	30
PID 2740 wrote to memory of 2616	2740	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Lucifer\branding\admin.tfx
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- 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\admin.tfx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2740
- - 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\admin.tfx"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2616

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
7cccefdc140697eeb75b45a27f28d2f4

SHA1
312fa56ee2a09beb5b74ab910738c92e6252d0e3

SHA256
b69410dccf0fad1cc563f41e899baaf6e399ee5d7ae5aac6b0900a6fa433dcbe

SHA512
463f75910c027e2b22f037523d35c4e8944018ba3c5860892b53f7836b95912ca266ea031251da9f05763b1514316fa8a93c746fcbfbd456618b14398fbd0132

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