1d9a3c8728d6868857aaa0d0817bcffab975fdaed769b2d70a750972280c8c72

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 20:09

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General

Target

resources.pak
Size

5.0MB
MD5

31c7d4b11ad95dfe539dd098e0fab736
SHA1

5418682d939ce8485ecc9125b872c14ffec662c2
SHA256

a251019eb08f1e695e935d224544bda37c5ae092ba68a89fa1fe3bd19bde4f5c
SHA512

f868a4afa4e0d5c561873d2a728e267f98da2df3fb90966e5736d496b6a24e71769a02b0346b27b7dcce11cbe07248e309f50a89977dc8e5bbc06d6cc31bf738
SSDEEP

98304:9LYsbEcnNWz49PDq2Awkmqmcph1Dd42cjrwrbHw4o0DPelwG3RC:90WcMButpphpd4jkrU4oeelrRC

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

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe
Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2440 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2440 AcroRd32.exe
2440 AcroRd32.exe

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

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe

pid	process
2440	AcroRd32.exe

pid	process
2440	AcroRd32.exe
2440	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2736 wrote to memory of 2724	2736	cmd.exe	rundll32.exe
PID 2736 wrote to memory of 2724	2736	cmd.exe	rundll32.exe
PID 2736 wrote to memory of 2724	2736	cmd.exe	rundll32.exe
PID 2724 wrote to memory of 2440	2724	rundll32.exe	AcroRd32.exe
PID 2724 wrote to memory of 2440	2724	rundll32.exe	AcroRd32.exe
PID 2724 wrote to memory of 2440	2724	rundll32.exe	AcroRd32.exe
PID 2724 wrote to memory of 2440	2724	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\resources.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\resources.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\resources.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2440

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
0b760b2619e6ed69aff4e7355bc39934

SHA1
c328431028058e02ea0f97ec0332717b58b26722

SHA256
405cdcd878234ca810069a214bc2b1e8266f70521ef6fa02c09cb8dd9979b338

SHA512
f42a018dc6edc3da37afecb54836d1f851d7680857039955970fecbf9a6564356116b21e55f6d47eed04b6cec3e8943bda836ee1476a156e95a2fa3578b3b70b

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