07548b3bd8978a673ba74f5949d438685b8e569e092d057d04f305655714494b

Resubmissions

13/02/2024, 03:28

240213-d1bskshe72 7

13/02/2024, 03:26

240213-dzfp5shd54 7

Analysis

max time kernel
119s
max time network
124s
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/banner.tfx
Size

112B
MD5

04d661d0cc3b349f9a3ea796a4fe12a1
SHA1

4905436d6d26cac3dd87fbe8d329dea735ba927e
SHA256

257483c3af4a0eec05a3901a91af0e1f85d379f22b362a7018facbd2f1ab4697
SHA512

5133b6d298b774f6303892c06ca439452a83fee2b68e93f6ec77dc19edfc219b284a27befd6e10840f9659ebcd432855e57027342104d8c839a0284cac5cf321

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-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.tfx	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\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\tfx_auto_file\	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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2728	2188	cmd.exe	29
PID 2188 wrote to memory of 2728	2188	cmd.exe	29
PID 2188 wrote to memory of 2728	2188	cmd.exe	29
PID 2728 wrote to memory of 2820	2728	rundll32.exe	30
PID 2728 wrote to memory of 2820	2728	rundll32.exe	30
PID 2728 wrote to memory of 2820	2728	rundll32.exe	30
PID 2728 wrote to memory of 2820	2728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Lucifer\branding\banner.tfx
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- 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\banner.tfx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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\banner.tfx"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2820

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
f309243e265ade424b34a8f005c5af1b

SHA1
144c177fe15912aeb467e44456d3932a043a5583

SHA256
eef3fbbec142f95d02d2560c61019ad500e52204b5c228e87e8ad9b0f1d44283

SHA512
0e73a4a3002c9403f560fa8240d09c83c5c6ff8edd5fb2976e851661450fecff56297559c2389907c3c7f7bf7c7d45edeae0aaaf1f3e861ecfbb0cf73ca8d3cb

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