dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
119s
max time network
134s
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_patch_loc_mp.ff
Size

105KB
MD5

540a71cc0c0cbf5ae3dfb9e1d44c7335
SHA1

9eadce036a8d17e2bf012427d7bd6e75a6ef5042
SHA256

8e68941703c92e699e7df589749e65f5d3c1bd3f3a526a151d9336449f3ecd59
SHA512

3a94f59a26a470d716c8cf45336ed2aab437830841eb3f8799c8e9e9478cc526d7cd32d7db9cfa837eda2bb6bf7390dbc88ca811ecb0f06ace9bea7a4b554a2d
SSDEEP

3072:zYyGo3LjooSEhismdC7DmRgRLkpvtrtH7moNISN:zYmLjIEhEdcDm2WLrB1KSN

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-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\ff_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_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-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\ff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\ff_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.ff	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2372	AcroRd32.exe
2372	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2572	2176	cmd.exe	29
PID 2176 wrote to memory of 2572	2176	cmd.exe	29
PID 2176 wrote to memory of 2572	2176	cmd.exe	29
PID 2572 wrote to memory of 2372	2572	rundll32.exe	30
PID 2572 wrote to memory of 2372	2572	rundll32.exe	30
PID 2572 wrote to memory of 2372	2572	rundll32.exe	30
PID 2572 wrote to memory of 2372	2572	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\en_patch_loc_mp.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- 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_loc_mp.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2572
- - 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_loc_mp.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2372

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
79974488a4acb7f9ea67f7edd77a5ac8

SHA1
d6a00aa66ed5cda245a41c40cd292366e69d2be3

SHA256
c12dbee9c4fe393f033978e2bdd8d4ba3d7b8eb4b13057b28e32e989bbc4fe0b

SHA512
62ede079b4648f4785d0a8cd27aa51ac670b46abf0477609108fa9f7f0f315558ccdb99016995e84a90bee0476d203db40c6669c610ec852150fa562e38ded2c

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