88e5ade2ec431b3a7398b1f81dfc4ed6119a9e95657c29a9d6646fb396f3761b

Resubmissions

29/06/2024, 22:21

240629-19544s1epm 7

29/06/2024, 22:13

240629-145amaxfjc 7

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 22:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

chrome_100_percent.pak
Size

132KB
MD5

a0e681fdd4613e0fff6fb8bf33a00ef1
SHA1

6789bacfe0b244ab6872bd3acc1e92030276011e
SHA256

86f6b8ffa8788603a433d425a4bc3c4031e5d394762fd53257b0d4b1cfb2ffa2
SHA512

6f6a1a8bfe3d33f3fa5f6134dac7cd8c017e38e5e2a75a93a958addbb17a601c5707d99a2af67e52c0a3d5206142209703701cd3fab44e0323a4553caee86196
SSDEEP

3072:tezwJCGIekwf9W2bg3yhPaL2o418Gb0+VRLf0ld0GY3cQ3ERVm2I:tezw1Iek+42k3yMK18Gb0OV8ld0GecQJ

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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_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
2700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2700	AcroRd32.exe
2700	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2440	2432	cmd.exe	29
PID 2432 wrote to memory of 2440	2432	cmd.exe	29
PID 2432 wrote to memory of 2440	2432	cmd.exe	29
PID 2440 wrote to memory of 2700	2440	rundll32.exe	30
PID 2440 wrote to memory of 2700	2440	rundll32.exe	30
PID 2440 wrote to memory of 2700	2440	rundll32.exe	30
PID 2440 wrote to memory of 2700	2440	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2440
- - 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\chrome_100_percent.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2700

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
8988c350d6b642f013759177ed45c8c6

SHA1
5267a87960b6c599252b03132d226557504c55b6

SHA256
104e3f0403efb3d0bd9607317f854a8800b712a23639bf24508d24aec0c6e961

SHA512
5d2ecfdcf556918b8fef8d89740ebc0fdfedb2e61359c68e878133668e7a058358cfb8587c0a958ba8b72cde6ecc2be8387fc4b3267b4808613a6955a008a88f

Download Submit