dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
120s
max time network
132s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

BO2 TU18/fr_patch_ui_loc_mp.ff
Size

1KB
MD5

3e95bdb271173d44510051ebe2a96b53
SHA1

930b1af147a8ebbc6282860049237624dfb68053
SHA256

d18561f009c5ed3db5b3dc87cc383f85ed2daae1b77b95de83d637fc4d88a69f
SHA512

1bf0ab16a49f68d0601fff0bf44c0243c4b2f7a4dc48b8e95dc62ac5046d14a1bf910f008e3c18792a4f388cdb4693038f51e84e56f40ea9a3541be08c2a273d

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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.ff	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2932	AcroRd32.exe
2932	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2648	2924	cmd.exe	29
PID 2924 wrote to memory of 2648	2924	cmd.exe	29
PID 2924 wrote to memory of 2648	2924	cmd.exe	29
PID 2648 wrote to memory of 2932	2648	rundll32.exe	30
PID 2648 wrote to memory of 2932	2648	rundll32.exe	30
PID 2648 wrote to memory of 2932	2648	rundll32.exe	30
PID 2648 wrote to memory of 2932	2648	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\fr_patch_ui_loc_mp.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2924
- 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\fr_patch_ui_loc_mp.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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\fr_patch_ui_loc_mp.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2932

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
3b90688b36cced175e3e88eade9a6954

SHA1
bbff7cd16460098e8305d308b55bb3916d1f1972

SHA256
fff71f4832fe2e3667075a4ee4ca83736b836b68ca3f6b057bf163568c9170a8

SHA512
cdf40fccfe1da4ae6df20a6ce7b7269998aa2c6fb3e18ed02dc45b6955788b108b28a01596c23ff7cdaa692a2d86643d32899f6478d2445cf6e7e2fcf715c90f

Download Submit