3a15890bedd42d2f1212ace0369dce19f30f85ac65faf3f094933b3be7a6372b

Resubmissions

24/06/2024, 08:15

240624-j5zm4asera 10

10/06/2024, 16:22

240610-tvfscatcnn 10

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
10/06/2024, 16:22

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General

Target

.pdata
Size

6KB
MD5

b92600020598df54e12836223aa5fd89
SHA1

ccb0f339822e0245fc3d37cb61a641cf95e84d8f
SHA256

0cf54fb7ddbddd6645886e6c1d6533517e9c6d9a5dfad52c922db1b3d149aa46
SHA512

6c932171f53d125296efcbc769942f58c925e4b61dbc73d1324a5601fc6d8e0020ed15f6812a89fafd6ced02d24c41787f37382927cab43e81219325c164025a
SSDEEP

96:BbqesG8R/AUtcKLXgYb2PZjjYj8w6BbmMRyZnDjeMZAF0OteSdX3/4:BbJsG8uUtcKsg2P2jl6BKheLwM

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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdata_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdata_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdata_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdata_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pdata	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pdata\ = "pdata_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdata_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdata_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
2600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2788	2344	cmd.exe	29
PID 2344 wrote to memory of 2788	2344	cmd.exe	29
PID 2344 wrote to memory of 2788	2344	cmd.exe	29
PID 2788 wrote to memory of 2600	2788	rundll32.exe	30
PID 2788 wrote to memory of 2600	2788	rundll32.exe	30
PID 2788 wrote to memory of 2600	2788	rundll32.exe	30
PID 2788 wrote to memory of 2600	2788	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\.pdata
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.pdata
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\.pdata"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2600

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
23aacd09c793b78ba481cb72a03523b6

SHA1
42dc015301f6e44a7e13055f2fc55d6cfe4cd55b

SHA256
dcb2496d30a239253d73dc89d116cceb98aaadc074325b2bf9a1c7dc0b882ba8

SHA512
8528863aafeb05a71c9bea6a7927d5bf00d448e72e3279b983ab8e81a9b95765c36f4b14af49e582e87d12fae1507ee8054371b09554d156922aec91986db786

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