8904d96a473dd52cd5255e046d47148eb27cc778395fff4f220bbb9509f643d8

Analysis

max time kernel
359s
max time network
360s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 00:05

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General

Target

IDTOIPBYR_0.pdb
Size

17KB
MD5

eaade6e9725fad7772315e2b9d1e82aa
SHA1

bd643be28415cbfda78d9e9dc685cee28cbf3651
SHA256

664257f7eaea44c12ce83162d278a046cbdc743c21d68ceddb551f7ff7fa030f
SHA512

39fbdbb7e34a342695769816f3437eed4fe4d677322a878c561d159bf43f8fb6ed9e1625ccd2405c2e5d2a9234b9e3e3ed38fdeebd6f170543e538d2704d508c
SSDEEP

384:Df8jdHvTyslX+A60a09v2osS0HZtOGjBO7QUMbpBkPMg/cpX4rfH8f6Awb3LjBAv:SH7yTTOUeGbpBk0gEUBAv

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2580 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2580 AcroRd32.exe
2580 AcroRd32.exe

pid	process
2580	AcroRd32.exe

pid	process
2580	AcroRd32.exe
2580	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2268 wrote to memory of 2536	2268	cmd.exe	rundll32.exe
PID 2268 wrote to memory of 2536	2268	cmd.exe	rundll32.exe
PID 2268 wrote to memory of 2536	2268	cmd.exe	rundll32.exe
PID 2536 wrote to memory of 2580	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2580	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2580	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2580	2536	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\IDTOIPBYR_0.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:2268

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\IDTOIPBYR_0.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2536

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\IDTOIPBYR_0.pdb"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2580

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
e8633b280d14e1ff8fbb486fcf8e3ba8

SHA1
f97b37631eb5e796ba4e83a8187b50648c10bb3f

SHA256
d4fa118b5f425d48072d6741de6a900c6abe7765b2fde241fc2fb7c692e2fdf5

SHA512
d1da523955b5bc5c44849e0e31c442f56139f2954e28319d7ad17d0c083d9aa765726921cecb3965a874f488a93f8a77df77c3118a7000806d0e4a44991deb58

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