dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
119s
max time network
124s
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/fr_patch_loc.ff
Size

193KB
MD5

068e56b6853fcd65be182731bd5f2912
SHA1

6d0fc708d6c1ca14cbb71f41a55d4a03c9fa6514
SHA256

0904a9ce53a157eab5b7fcc58965f4ab96a6a5228e76d08567ce50e3e0b94ee9
SHA512

c559d28d9b85bc2e946a7dab0874cb102601b29d8b40249f16b27cb1869cf88b19275774cff4758d83121e1c648292d4f17fdfb9914e1559b6df40808af29cce
SSDEEP

3072:2kLVLlvluGQov+B4xBLCaiDCp7nsnlsURuvhD2o3XPPvO6S9hx/DhKKScTfO1L9k:NhvluGQj4TLAqlD2o3XP49hBbkLy

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\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_auto_file\shell\Read\command	rundll32.exe
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	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	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_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2600	2592	cmd.exe	29
PID 2592 wrote to memory of 2600	2592	cmd.exe	29
PID 2592 wrote to memory of 2600	2592	cmd.exe	29
PID 2600 wrote to memory of 2720	2600	rundll32.exe	30
PID 2600 wrote to memory of 2720	2600	rundll32.exe	30
PID 2600 wrote to memory of 2720	2600	rundll32.exe	30
PID 2600 wrote to memory of 2720	2600	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\fr_patch_loc.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- 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_loc.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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_loc.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
4e6d1f9795ff68735311a6029a1e10ea

SHA1
dad0495b866a86cd0d497dbe1ccc18effb2666dd

SHA256
e0c1feb73619d99f98f052e219b02a6ace9bfeab6ff870b1171ba44e4279cc07

SHA512
9327a53f437200f022cbc120d358f0663ed417f392c10f5d0240da583d3b6f76501f3e63271182fdeaffdd844d1a69cd794925e2e99220bad7129ce921a06bd9

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