d0aef9bd02b6dfdaf6e71a485057728b55c8336391f1fbaa414d06f66c593329

Resubmissions

28/05/2024, 14:14

240528-rj642sge8v 3

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 14:14

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General

Target

d0aef9bd02b6dfdaf6e71a485057728b55c8336391f1fbaa414d06f66c593329.unknown
Size

7.9MB
MD5

e12e34cb0d5a5bb8436ce599e079633d
SHA1

f16bcfa23462863d1e12f51a5e430b95571fbecf
SHA256

d0aef9bd02b6dfdaf6e71a485057728b55c8336391f1fbaa414d06f66c593329
SHA512

c5ee81b940fb8f476cd9c275653b5894baf3fbf4384c1b0c088b3c890bc6b739e0154123bfa2545847dc18c08dfbd4eb2b066e9d90e37193b37f916563df68c9
SSDEEP

196608:A7sOwL4bELEoLL56ZRaMcJeLG9KAbpvGHzpiM/K/U/IO5DTcT1G:AsOwL4MfLL5QaMcJeUZbpvopiM/K+b5B

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-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\unknown_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.unknown	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.unknown\ = "unknown_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\unknown_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\unknown_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\unknown_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\unknown_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\unknown_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2640	AcroRd32.exe
2640	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2644	2980	cmd.exe	29
PID 2980 wrote to memory of 2644	2980	cmd.exe	29
PID 2980 wrote to memory of 2644	2980	cmd.exe	29
PID 2644 wrote to memory of 2640	2644	rundll32.exe	30
PID 2644 wrote to memory of 2640	2644	rundll32.exe	30
PID 2644 wrote to memory of 2640	2644	rundll32.exe	30
PID 2644 wrote to memory of 2640	2644	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\d0aef9bd02b6dfdaf6e71a485057728b55c8336391f1fbaa414d06f66c593329.unknown
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\d0aef9bd02b6dfdaf6e71a485057728b55c8336391f1fbaa414d06f66c593329.unknown
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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\d0aef9bd02b6dfdaf6e71a485057728b55c8336391f1fbaa414d06f66c593329.unknown"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2640

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
1b03856ae471aee4b91458087ac5a041

SHA1
4ecd5985dbd8c60282934fec1f934ca40d19ebdf

SHA256
e849de0bb40824173bfe9a27e13857a677a27c4b0201600680b23eeee9cdeaf6

SHA512
9a93814334a09f70a864f2fee97275593cd622b6779baa51137c5ee8e0478badcf17af025154748481a109c9675014b54ce42472a8f7d782955b2a79f93b67fb

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