07548b3bd8978a673ba74f5949d438685b8e569e092d057d04f305655714494b

Resubmissions

13/02/2024, 03:28

240213-d1bskshe72 7

13/02/2024, 03:26

240213-dzfp5shd54 7

Analysis

max time kernel
118s
max time network
120s
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/info.tfx
Size

13KB
MD5

c64663d7d07f18e0ed83855737b78e15
SHA1

db4e00e7f4faa4cc797e461c486d5932d2f209e6
SHA256

f210cc82e990ab535ec0e305af16b8d9f9f2a5edd33d705eecd1fe924aae1251
SHA512

c672301b75f04fd65c8e9c524ae996be80f48a2a8e1c2fdb5521bf2a3ecca58bfe52e8a720f1a550104218bc40ad8f709e68a600dab3b2a114eb2d6d226d09d3
SSDEEP

384:hlcMUca8eWQ83zLrlLZ3Um1PJXsmRP5TG1MSlcMUca8eWQ83zLrlLZ3Um1PJXsmm:hlcMUca8eWQ83zLrlLZ3Um1PJXsmRP5P

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-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\tfx_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\tfx_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\tfx_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_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-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\tfx_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.tfx	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.tfx\ = "tfx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\tfx_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2044	3044	cmd.exe	29
PID 3044 wrote to memory of 2044	3044	cmd.exe	29
PID 3044 wrote to memory of 2044	3044	cmd.exe	29
PID 2044 wrote to memory of 2728	2044	rundll32.exe	30
PID 2044 wrote to memory of 2728	2044	rundll32.exe	30
PID 2044 wrote to memory of 2728	2044	rundll32.exe	30
PID 2044 wrote to memory of 2728	2044	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Lucifer\branding\info.tfx
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- 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\info.tfx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2044
- - 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\info.tfx"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2728

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
1c998d641af19d3cb81e2be57a152388

SHA1
bdfe31224492193ed1afe2b94e66ca23f6db3cef

SHA256
2085a7ddf36f451cdb2c7a16c38f718bc1df5028acf2ab69d71b5d209d610f82

SHA512
58d7c6d8178456559eba88f73407b86036e78ce302b83d7ff16b4b958ab354a0d91bb82d7715ead4c32d7947de8b1a05358ca06bd21ff4add34565c8901fb000

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