ed73cc9cd1933cb0f4751cd8af6cf7cb44d3c6f88b80596b0b1a699510b679f4

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/03/2025, 09:46

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General

Target

Cphn-MultiTool/start.bat
Size

105B
MD5

7e1cceb0065441e20af5026339b7ba1a
SHA1

eb7bb7e2f2e7da7122c10d00723a813ef458131e
SHA256

f7c6a30cbd217f779117ab2ca0eaa605181ca8ff78009bc69bf95a4aeb55a40d
SHA512

2f8aa83e3063321d6653d7ba579076cbf1642c9a8c829014cc68b6c5e37bcc5f952af712d1c73e27084b588eb71bf3b2753bb0ae5c5c2c1fbcdf070ac5a4fc6b

Score

7^/10

discovery upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2952	upx.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral5/files/0x000400000001d7c9-136.dat	upx
behavioral5/memory/2952-138-0x000007FEF6120000-0x000007FEF658E000-memory.dmp	upx

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-1-5-21-2039016743-699959520-214465309-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1604	AcroRd32.exe
1604	AcroRd32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1508	2316	cmd.exe	32
PID 2316 wrote to memory of 1508	2316	cmd.exe	32
PID 2316 wrote to memory of 1508	2316	cmd.exe	32
PID 2316 wrote to memory of 2816	2316	cmd.exe	33
PID 2316 wrote to memory of 2816	2316	cmd.exe	33
PID 2316 wrote to memory of 2816	2316	cmd.exe	33
PID 2316 wrote to memory of 2072	2316	cmd.exe	34
PID 2316 wrote to memory of 2072	2316	cmd.exe	34
PID 2316 wrote to memory of 2072	2316	cmd.exe	34
PID 2072 wrote to memory of 2952	2072	upx.exe	35
PID 2072 wrote to memory of 2952	2072	upx.exe	35
PID 2072 wrote to memory of 2952	2072	upx.exe	35
PID 2816 wrote to memory of 1604	2816	rundll32.exe	36
PID 2816 wrote to memory of 1604	2816	rundll32.exe	36
PID 2816 wrote to memory of 1604	2816	rundll32.exe	36
PID 2816 wrote to memory of 1604	2816	rundll32.exe	36

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Cphn-MultiTool\start.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\system32\mode.com
  mode con: cols=100 lines=30
  2⤵
  PID:1508
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Cphn-MultiTool\src\main.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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\Cphn-MultiTool\src\main.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1604
- C:\Users\Admin\AppData\Local\Temp\Cphn-MultiTool\src\utils\upx.exe
  src/utils/upx
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Users\Admin\AppData\Local\Temp\Cphn-MultiTool\src\utils\upx.exe
    src/utils/upx
    3⤵
    - Loads dropped DLL
    PID:2952

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\Local\Temp\_MEI20722\python310.dll

Filesize
1.4MB

MD5
69d4f13fbaeee9b551c2d9a4a94d4458

SHA1
69540d8dfc0ee299a7ff6585018c7db0662aa629

SHA256
801317463bd116e603878c7c106093ba7db2bece11e691793e93065223fc7046

SHA512
8e632f141daf44bc470f8ee677c6f0fdcbcacbfce1472d928576bf7b9f91d6b76639d18e386d5e1c97e538a8fe19dd2d22ea47ae1acf138a0925e3c6dd156378

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

Filesize
3KB

MD5
6ab1b5cd55caf4367357c6b40ee9ea3e

SHA1
39564d6b37b24e2d8acc541516149a3191ffd8ec

SHA256
cabb1f363de1f6253b55b2eaaad46b6feab3de0a5046ed6dde814c7b31828cf7

SHA512
5f674722766ec9b2f7afc0d9d01cddd0278abfe1736b22b83e9de06106c1eca3c40101a7e23bb533852809f8511c876212b029f7e7a279c556c461b60d2f8905

Download Submit
memory/2952-138-0x000007FEF6120000-0x000007FEF658E000-memory.dmp

Filesize
4.4MB

Download