72b5e76a8256cf479be8ab736165302405cc399be066f8b9d7eb1ba52520e3c1

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03/02/2024, 06:55

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03/02/2024, 06:46

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Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 06:46

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Report Analysis Logs

General

Target

RAM_Data/il2cpp_data/Resources/mscorlib.dll-resources.dat
Size

329KB
MD5

21d06dbc8af6432b2b49536ed30609af
SHA1

11a1c0e2ab2f8c06fe4507535ed47e0dd279a60d
SHA256

c5baa176a5b72cd545266340e42102d393a5e43d38c95796bc828918bb95277f
SHA512

2971f54eaa14c3ce6e2352e5a1aea5b044f0894bf4eac92de8cd92515b6473b5ca56ebfcad4369a9d4935cbefea2540a83f332fd4d832c37768310e8776ceb5e
SSDEEP

3072:c5j+evAPQ48RhHkXKSmLZsumnWpevI1kMqXkD3by+BEL:crvS8rHXSmJmnjvXkSr

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.dat	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 2744	1568	cmd.exe	29
PID 1568 wrote to memory of 2744	1568	cmd.exe	29
PID 1568 wrote to memory of 2744	1568	cmd.exe	29
PID 2744 wrote to memory of 2816	2744	rundll32.exe	30
PID 2744 wrote to memory of 2816	2744	rundll32.exe	30
PID 2744 wrote to memory of 2816	2744	rundll32.exe	30
PID 2744 wrote to memory of 2816	2744	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RAM_Data\il2cpp_data\Resources\mscorlib.dll-resources.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RAM_Data\il2cpp_data\Resources\mscorlib.dll-resources.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2744
- - 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\RAM_Data\il2cpp_data\Resources\mscorlib.dll-resources.dat"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

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
98a0ce48a6f33968bab0766863935f70

SHA1
a2589691f338bf5395b0f999b11bba5eae6f52e4

SHA256
7802b386ec56ebdce2ce81cb2ea106a9c46cd4f3cbb2d17b54b472f1ac76dcce

SHA512
7f9a19f7d4e934abdb063feaac1b87502d2b4055dcdd9cec5b3852621ba1604e55564dbcff0c9e075e6ceaa1735177c7c9a7417021d16070a7ff79c1a307e0bf

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