dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
118s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 19:17

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General

Target

BO2 TU18/en_zm_transit_dr_loc.ff
Size

18KB
MD5

239dea7c51803da15a2ae34c0ba8a93e
SHA1

5f7b142d8dd07803e9f160db7adefd09df38d34b
SHA256

073e81464ed6c12cae66ce0d79de590b7d3f9618b0ece0bcb08a81fedcdcb1a5
SHA512

7aba2ebb81919f62eb6e49b2ce5d08a607db7d7797a46300ee97abf50d1015b1a5f763e8808c54892cdb6f4c823a51a4c04e03c498d1e74a6ed240234196d726
SSDEEP

384:tHBSzHM0bgb7aj1NlwfUoRviasSk9K9K9K9K9K9K9K9K9K9SPKNBdquxGO5Gf:tHBOs0Ubc1N+fRJiaQ4444444449LRxK

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.ff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2584	AcroRd32.exe
2584	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2728	2508	cmd.exe	29
PID 2508 wrote to memory of 2728	2508	cmd.exe	29
PID 2508 wrote to memory of 2728	2508	cmd.exe	29
PID 2728 wrote to memory of 2584	2728	rundll32.exe	30
PID 2728 wrote to memory of 2584	2728	rundll32.exe	30
PID 2728 wrote to memory of 2584	2728	rundll32.exe	30
PID 2728 wrote to memory of 2584	2728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\en_zm_transit_dr_loc.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\BO2 TU18\en_zm_transit_dr_loc.ff
  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\BO2 TU18\en_zm_transit_dr_loc.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2584

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
9324429ccffb41b5e71ecaea1cc616a9

SHA1
092cb2ae305f33d89770c510b5ceb9cdb1279d0e

SHA256
4819f64e6ff47ad1f5478f2888daeaa70334998aff1a94729a2b963e69512173

SHA512
34563389f6141951d6131060341cbbf139398b1bab238dd058c99208b0eeedea7a9c1f6746fa5a3cdc2e6fc13d5b989e60af2b90027732854a38f38ee330aa14

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