b8fd45bf4d8c210d7a107a915ec2629ecd51ed745969274b6aa46d89808814d4

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 18:32

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General

Target

.reloc
Size

4KB
MD5

d035e2aaf2ca623d94a572821f95b139
SHA1

6bb7b7ee94273c539cab25f3c6d5ff1d833296fc
SHA256

93f45aa45baedcfd4ff9d69146bd5b7c60f7394f81bb48ff605e6de27befd153
SHA512

8211cce35080ff547d17e0712b75afa1794def4969a210b05e168300f9ca4c83733df43c8b6ec775442e24e12310bae594c93d4a190aa9952b2ab66291fddd56

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-1-5-21-1163522206-1469769407-485553996-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2272	1872	cmd.exe	31
PID 1872 wrote to memory of 2272	1872	cmd.exe	31
PID 1872 wrote to memory of 2272	1872	cmd.exe	31
PID 2272 wrote to memory of 2804	2272	rundll32.exe	33
PID 2272 wrote to memory of 2804	2272	rundll32.exe	33
PID 2272 wrote to memory of 2804	2272	rundll32.exe	33
PID 2272 wrote to memory of 2804	2272	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\.reloc
1⤵
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.reloc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2272
- - 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\.reloc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2804

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
31dd38db1097458b10225d107b12542f

SHA1
21e130a68166e8938b347f13afbe40954dc9e073

SHA256
858fc0d870cb30ab5ba6481b3a5c4bbc80d11c92aca86a5e62773b1ba0e83cc0

SHA512
c906919584fae85aa19e988bf4643ba2917f9d951d8dabcc3ffaf2e3782602f1279c852919838cda758ac9d9482f164430ec6371769ee6393f3dda3eeda85914

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