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
Sample221026-2dy7cshecr
SHA256 6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c
MD5 354f7ec15741db7fcdfe7b158c14dfaa
SHA1 1265f62cb1bf781baaf5161e8b2fcd40a4026747
SHA512 c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227
SSDEEP 6144:7Y56KnPgfagNgMhdAp/WgTO3x5N22vWvLRKKAX5l++SyVI4H:qdgfpNDAxT85I2vCMX5l+Zn
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptolocker persistence ransomware

Malware Config

Signatures

CryptoLocker
Ransomware family with multiple variants.
ransomware cryptolocker

Executes dropped EXE 2 IoCs

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

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

description	pid	Process	procid_target
PID 1388 wrote to memory of 5028	1388	4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe	82
PID 1388 wrote to memory of 5028	1388	4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe	82
PID 1388 wrote to memory of 5028	1388	4f3220da017e7be3e0b168a958134aae6dc96458cb12118e849465e2af752629_unpacked.exe	82
PID 5028 wrote to memory of 1280	5028	Wawbmdknpbal.exe	83
PID 5028 wrote to memory of 1280	5028	Wawbmdknpbal.exe	83
PID 5028 wrote to memory of 1280	5028	Wawbmdknpbal.exe	83

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

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Downloads

Wawbmdknpbal.exe

Path C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
Size 360KB
SHA256 6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c
MD5 354f7ec15741db7fcdfe7b158c14dfaa
SHA1 1265f62cb1bf781baaf5161e8b2fcd40a4026747
SHA512 c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227
SSDEEP 6144:7Y56KnPgfagNgMhdAp/WgTO3x5N22vWvLRKKAX5l++SyVI4H:qdgfpNDAxT85I2vCMX5l+Zn
MD5 SHA1 SHA512 SSDEEP

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Wawbmdknpbal.exe

Path C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
Size 360KB
SHA256 6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c
MD5 354f7ec15741db7fcdfe7b158c14dfaa
SHA1 1265f62cb1bf781baaf5161e8b2fcd40a4026747
SHA512 c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227
SSDEEP 6144:7Y56KnPgfagNgMhdAp/WgTO3x5N22vWvLRKKAX5l++SyVI4H:qdgfpNDAxT85I2vCMX5l+Zn
MD5 SHA1 SHA512 SSDEEP

Submit Download

Wawbmdknpbal.exe

Path C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
Size 360KB
SHA256 6af16a07d19bcb99eed8b440d7a110ee1bad1dd95eaeda2302c423ab9a5a146c
MD5 354f7ec15741db7fcdfe7b158c14dfaa
SHA1 1265f62cb1bf781baaf5161e8b2fcd40a4026747
SHA512 c8425a333a0aa7cb916406b825baaba2e462a81dcfc64b725dceadd81163f8928463603f70e6d5c354dd0ad59e4ed74572bcd780957d947bfa9d97ae89477227
SSDEEP 6144:7Y56KnPgfagNgMhdAp/WgTO3x5N22vWvLRKKAX5l++SyVI4H:qdgfpNDAxT85I2vCMX5l+Zn
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads