dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 19:17

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General

Target

BO2 TU18/en_patch_ui_loc_mp.ff
Size

1KB
MD5

fffce4fe2d9e694d18ba25ebd2ae4cf6
SHA1

9bd1019bec473c3d613c96aca9f8cb57a1a78769
SHA256

a078136789f358a89e9492aca13ab5c50e2701629a447d267a55a90d03ba58f4
SHA512

4ac19c98263ad84558bdc426c6c2ee5c9d433ac531a7e7d72978f6c71589c376c51ae85183cac1202711bf49826506945935aeb9b8b43eedad55cbffcf1d38a6

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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ff_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ff_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.ff	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2824	1936	cmd.exe	29
PID 1936 wrote to memory of 2824	1936	cmd.exe	29
PID 1936 wrote to memory of 2824	1936	cmd.exe	29
PID 2824 wrote to memory of 2592	2824	rundll32.exe	30
PID 2824 wrote to memory of 2592	2824	rundll32.exe	30
PID 2824 wrote to memory of 2592	2824	rundll32.exe	30
PID 2824 wrote to memory of 2592	2824	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\en_patch_ui_loc_mp.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- 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_patch_ui_loc_mp.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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_patch_ui_loc_mp.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2592

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
0cdfa66535581a0a25bce5dbfa7a8c73

SHA1
7285f624fe0c9c7de496196eb39369dc582ed5fa

SHA256
944fa9e64c5cd7553f2d87f7ce5c7c3beaef35e20b423561a86accf9a36b2ec1

SHA512
4da584ce3368dd2d3049e566496e103a015a8b07f3b1c167fcbd0f90571ec0f3ca169519504da1ef277e8531b36f0575884e327fcb2b79807e02229cde643d32

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