cryptolocker | 6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c

Analysis

max time kernel
600s
max time network
603s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-10-2022 22:28

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General

Target

4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe
Size

360KB
MD5

354f7ec15741db7fcdfe7b158c14dfaa
SHA1

1265f62cb1bf781baaf5161e8b2fcd40a4026747
SHA256

6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c
SHA512

c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227
SSDEEP

6144:7Y56KnPgfagNgMhdAp/WgTO3x5N22vWvLRKKAX5l++SyVI4H:qdgfpNDAxT85I2vCMX5l+Zn

Score

10^/10

cryptolocker persistence ransomware

Malware Config

Signatures

CryptoLocker
Ransomware family with multiple variants.
ransomware cryptolocker
Executes dropped EXE 2 IoCs

Processes:

Wawbmdknpbal.exeWawbmdknpbal.exe

pid process

5028 Wawbmdknpbal.exe
1280 Wawbmdknpbal.exe

pid	process
5028	Wawbmdknpbal.exe
1280	Wawbmdknpbal.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Wawbmdknpbal.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	Wawbmdknpbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\Wawbmdknpbal.exe"	Wawbmdknpbal.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exeWawbmdknpbal.exe

description	pid	process	target process
PID 1388 wrote to memory of 5028	1388	4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe	Wawbmdknpbal.exe
PID 1388 wrote to memory of 5028	1388	4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe	Wawbmdknpbal.exe
PID 1388 wrote to memory of 5028	1388	4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe	Wawbmdknpbal.exe
PID 5028 wrote to memory of 1280	5028	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 5028 wrote to memory of 1280	5028	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 5028 wrote to memory of 1280	5028	Wawbmdknpbal.exe	Wawbmdknpbal.exe

C:\Users\Admin\AppData\Local\Temp\4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe
"C:\Users\Admin\AppData\Local\Temp\4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
  "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" "/rC:\Users\Admin\AppData\Local\Temp\4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:5028
- - C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
    "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" /w0000021C
    3⤵
    - Executes dropped EXE
    PID:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
360KB

MD5
354f7ec15741db7fcdfe7b158c14dfaa

SHA1
1265f62cb1bf781baaf5161e8b2fcd40a4026747

SHA256
6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c

SHA512
c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227

Download Submit
C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
360KB

MD5
354f7ec15741db7fcdfe7b158c14dfaa

SHA1
1265f62cb1bf781baaf5161e8b2fcd40a4026747

SHA256
6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c

SHA512
c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227

Download Submit
C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
360KB

MD5
354f7ec15741db7fcdfe7b158c14dfaa

SHA1
1265f62cb1bf781baaf5161e8b2fcd40a4026747

SHA256
6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c

SHA512
c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227

Download Submit
memory/1280-135-0x0000000000000000-mapping.dmp

Download
memory/5028-132-0x0000000000000000-mapping.dmp

Download