97d7996c657dac39497001683776ea390ba3f3f70f31da017547bbd4590701d7

Analysis

max time kernel
16s
max time network
22s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/08/2024, 23:22

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General

Target

acf7fs.7z
Size

7.2MB
MD5

3d82083f0584cfdf9636cd9dbffa3b50
SHA1

dcc5cb5ab5a52f8216bcec2c6ad8e9d08a712724
SHA256

97d7996c657dac39497001683776ea390ba3f3f70f31da017547bbd4590701d7
SHA512

37a2e19f6350fb0bc2c52abdfbdf01c4914f7a1d09a041d50715e109fc4c39b3c68f92ddb0e797939810935d1ec1faffa9cf663e365ef9cc78d90c72308fc895
SSDEEP

196608:ROmEQvI1Ca9aAOEVwOZZQYHRhEA9fdpDW9:ROlQvdAAnwbj5dp6

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3056	AcroRd32.exe
3056	AcroRd32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2956	2080	cmd.exe	31
PID 2080 wrote to memory of 2956	2080	cmd.exe	31
PID 2080 wrote to memory of 2956	2080	cmd.exe	31
PID 2956 wrote to memory of 2708	2956	rundll32.exe	32
PID 2956 wrote to memory of 2708	2956	rundll32.exe	32
PID 2956 wrote to memory of 2708	2956	rundll32.exe	32
PID 2708 wrote to memory of 3056	2708	rundll32.exe	34
PID 2708 wrote to memory of 3056	2708	rundll32.exe	34
PID 2708 wrote to memory of 3056	2708	rundll32.exe	34
PID 2708 wrote to memory of 3056	2708	rundll32.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\acf7fs.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\acf7fs.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\acf7fs.7z
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - 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\acf7fs.7z"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:3056

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2252

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

Windows 7 deprecation

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