c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e

Analysis

max time kernel
160s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 05:17

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General

Target

c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe
Size

3.9MB
MD5

1c81ec4f82add5ca1ff5cfb12e3c4085
SHA1

bc6fae8df8684b3c7cc03ef4835362f2306ff16e
SHA256

c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e
SHA512

fe164a1f2469fd4deb3afb6052779f1b74d65d2272356f00ff92ac8381d944ab38d534600a5000e7eece09c85cdd7602c9cf02d82945d9151c4d9e9be68f40c1
SSDEEP

49152:7RdbOtkM5hBdZmS7Rqnjk01sF2HI4GF/oADtDm8Hihnpurv3/9yNB/61LG7Nx:VdekM3miFOI4GiABa8C7k/9yNBS1L4L

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000600000002318d-137.dat	acprotect
behavioral2/files/0x000600000002318d-138.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000600000002318d-137.dat	upx
behavioral2/files/0x000600000002318d-138.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
4756	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe
4756	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4200 set thread context of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4756	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe
4756	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe
4756	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83
PID 4200 wrote to memory of 4756	4200	c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe	83

C:\Users\Admin\AppData\Local\Temp\c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe
"C:\Users\Admin\AppData\Local\Temp\c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Users\Admin\AppData\Local\Temp\c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe
  "C:\Users\Admin\AppData\Local\Temp\c73469193da94ee188325d9c91b59bd34e25f28cf1d6036ba3e0cff20b83959e.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:4756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\{82D04F8E-5627-43FE-956D-8EF5EE73DAEF}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
C:\Users\Admin\AppData\Local\Temp\{82D04F8E-5627-43FE-956D-8EF5EE73DAEF}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/4756-133-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/4756-134-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/4756-135-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/4756-136-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/4756-139-0x00000000042B0000-0x000000000430B000-memory.dmp

Filesize
364KB

Download
memory/4756-140-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download