41bce9227076b64d51fb5e86958d8ac231535982b487111b2a4d9d9e7e1c24ac

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 01:01

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General

Target

91dfcbce7b2011145d9de4c989492314f6e133723f67f2edd8cbcc4eeef90da0.sh
Size

775B
MD5

20c188bd72095fac821b394fac79cecd
SHA1

a7217584b9cfb88f93fe05a157d19fb852124fc3
SHA256

91dfcbce7b2011145d9de4c989492314f6e133723f67f2edd8cbcc4eeef90da0
SHA512

abd4da5f5005008f5b8ffd1f7043c92ca257a200a3e3b68326d6ec29c40319f097468f9827553b01eca3581f71a5b3ee012905f0c39325e5f9519e6a0a25a705

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\sh_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2348	2280	cmd.exe	31
PID 2280 wrote to memory of 2348	2280	cmd.exe	31
PID 2280 wrote to memory of 2348	2280	cmd.exe	31
PID 2348 wrote to memory of 2812	2348	rundll32.exe	32
PID 2348 wrote to memory of 2812	2348	rundll32.exe	32
PID 2348 wrote to memory of 2812	2348	rundll32.exe	32
PID 2348 wrote to memory of 2812	2348	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\91dfcbce7b2011145d9de4c989492314f6e133723f67f2edd8cbcc4eeef90da0.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\91dfcbce7b2011145d9de4c989492314f6e133723f67f2edd8cbcc4eeef90da0.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2348
- - 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\91dfcbce7b2011145d9de4c989492314f6e133723f67f2edd8cbcc4eeef90da0.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
73ddad1a4e87612765b072499124497f

SHA1
f18b9ed54e3b8b37aeca4df0331a912f781b582e

SHA256
5f49d9f1ae6b41af35ef3d45f4d3c6656c2609ca5dec2ef1ba95200061b48359

SHA512
6ae45ed03574b3be13319b401231ded067e0fc7263e7619eee6ccbd0d65145041a1e425779d23b0c4900a8e41400bdf35773b5ab91060f97b9a067f5331c0775

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