ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf

Analysis

max time kernel
125s
max time network
174s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
11/02/2023, 12:21

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General

Target

ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf.exe
Size

1.5MB
MD5

ebb5fd844eebe3542e853c6e3fb672e0
SHA1

f144747c6261ef7a2c0cec1edf49cbe618df856a
SHA256

ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf
SHA512

3dff4b2d89192b39627728c63058043d2ddb65ad75cbfaa97037cb975ff46a30453d1a628996cf9b76250a65cc7b226cb1378cac733cbd382c70af4240f4cce5
SSDEEP

24576:5eRz2pFX1dEEAnUpLPImbWWxlSqxI+sqixtaZr/istzRYbiIq3ulL+n0KzVyzaCk:NPPhNZxI+snsZr19RYBt+0KvCnNC

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
3644	rundll32.exe
4580	rundll32.exe
4580	rundll32.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000_Classes\Local Settings	ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 4236	2772	ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf.exe	66
PID 2772 wrote to memory of 4236	2772	ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf.exe	66
PID 2772 wrote to memory of 4236	2772	ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf.exe	66
PID 4236 wrote to memory of 3644	4236	control.exe	68
PID 4236 wrote to memory of 3644	4236	control.exe	68
PID 4236 wrote to memory of 3644	4236	control.exe	68
PID 3644 wrote to memory of 2288	3644	rundll32.exe	69
PID 3644 wrote to memory of 2288	3644	rundll32.exe	69
PID 2288 wrote to memory of 4580	2288	RunDll32.exe	70
PID 2288 wrote to memory of 4580	2288	RunDll32.exe	70
PID 2288 wrote to memory of 4580	2288	RunDll32.exe	70

C:\Users\Admin\AppData\Local\Temp\ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf.exe
"C:\Users\Admin\AppData\Local\Temp\ef8ac2bdc40d428d75034c7c517f30bae17906e9584809c0f433ef20175acfcf.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\Du9IT.CpL",
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4236
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\Du9IT.CpL",
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3644
  - - C:\Windows\system32\RunDll32.exe
      C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\Du9IT.CpL",
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2288
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\Du9IT.CpL",
        5⤵
        Loads dropped DLL
        
        PID:4580

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\Du9IT.CpL

Filesize
1.4MB

MD5
83a5962c802d2af077a0b30b9c781884

SHA1
c8b434dd62b0203e5228ee99d6f2d451265ff19e

SHA256
6ad1ed2332cc5e752a15dab4685cdd1f4ad238cdb967e03ce8ce7a7cefa0422b

SHA512
449e8b806389f5c16bf22885c22a9426cbab43689536cc6064329aebed056530fb19045456f435a6c2010bf7c7e8d5816247fa7f7776cacedbe60edfb50529be

Download Submit
\Users\Admin\AppData\Local\Temp\Du9IT.cpl

Filesize
1.4MB

MD5
83a5962c802d2af077a0b30b9c781884

SHA1
c8b434dd62b0203e5228ee99d6f2d451265ff19e

SHA256
6ad1ed2332cc5e752a15dab4685cdd1f4ad238cdb967e03ce8ce7a7cefa0422b

SHA512
449e8b806389f5c16bf22885c22a9426cbab43689536cc6064329aebed056530fb19045456f435a6c2010bf7c7e8d5816247fa7f7776cacedbe60edfb50529be

Download Submit
\Users\Admin\AppData\Local\Temp\Du9IT.cpl

Filesize
1.4MB

MD5
83a5962c802d2af077a0b30b9c781884

SHA1
c8b434dd62b0203e5228ee99d6f2d451265ff19e

SHA256
6ad1ed2332cc5e752a15dab4685cdd1f4ad238cdb967e03ce8ce7a7cefa0422b

SHA512
449e8b806389f5c16bf22885c22a9426cbab43689536cc6064329aebed056530fb19045456f435a6c2010bf7c7e8d5816247fa7f7776cacedbe60edfb50529be

Download Submit
\Users\Admin\AppData\Local\Temp\Du9IT.cpl

Filesize
1.4MB

MD5
83a5962c802d2af077a0b30b9c781884

SHA1
c8b434dd62b0203e5228ee99d6f2d451265ff19e

SHA256
6ad1ed2332cc5e752a15dab4685cdd1f4ad238cdb967e03ce8ce7a7cefa0422b

SHA512
449e8b806389f5c16bf22885c22a9426cbab43689536cc6064329aebed056530fb19045456f435a6c2010bf7c7e8d5816247fa7f7776cacedbe60edfb50529be

Download Submit
memory/2772-149-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-154-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-119-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-121-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-122-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-124-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-125-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-126-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-127-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-128-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-129-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-130-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-131-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-132-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-133-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-134-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-135-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-136-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-137-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-138-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-139-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-140-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-141-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-142-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-143-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-144-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-145-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-146-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-147-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-148-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-150-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-117-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-151-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-155-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-118-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-153-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-152-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-157-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-156-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-158-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-159-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-160-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-161-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-162-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-163-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-164-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-165-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-167-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-166-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-168-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-169-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-170-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-171-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-172-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-173-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-174-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-175-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-176-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-177-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-178-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-179-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-180-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-181-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/2772-116-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3644-275-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/4580-333-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download