c91917696b589529ae0794d2277d1f64dbeca7a359ea027e9e62dc82857cdd7c

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 00:50

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General

Target

data/auto_messages.json
Size

2B
MD5

99914b932bd37a50b983c5e7c90ae93b
SHA1

bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
SHA256

44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
SHA512

27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2996	AcroRd32.exe
2996	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2752	2016	cmd.exe	31
PID 2016 wrote to memory of 2752	2016	cmd.exe	31
PID 2016 wrote to memory of 2752	2016	cmd.exe	31
PID 2752 wrote to memory of 2996	2752	rundll32.exe	32
PID 2752 wrote to memory of 2996	2752	rundll32.exe	32
PID 2752 wrote to memory of 2996	2752	rundll32.exe	32
PID 2752 wrote to memory of 2996	2752	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\auto_messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data\auto_messages.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2752
- - 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\data\auto_messages.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2996

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
b1413b897808d6c3f4058fa80316feb9

SHA1
8e52efe5438a838163dcad284e53edf9b8ba40e6

SHA256
dc8eb26e3d55398682a169f035a2a12812ae222b8c8b357686b9fe38e13f61b9

SHA512
217537a5df0c6f5ba304727ce0bcb4c489d09a10ee3b654a76cd6840627d0f64172540a71704e564aa9f826b9245cf8c18343b441e5b50e46b373a3201c95947

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