cryptolocker | 651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9

General

Target

651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe
Size

363KB
MD5

7ea2c970326af64b1b196c4dd12e61dc
SHA1

a3dbdf84d229d3ff549855cf7adc34e75d01efd3
SHA256

651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9
SHA512

1128583ed88f9a44b98c8ab6bbb55a75645e89242dae941dae69c659ba66e40bced6364cb4e05eae5a99be10d2742ed34ec714c314332150ede2fc8c62f6dcd1
SSDEEP

6144:s7I4W+7S5WSSYmPnjpv1WgTO3x5N22vWvLRKKAX5l++SyVI:cBS5VSHFdT85I2vCMX5l+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

1736 Wawbmdknpbal.exe
856 Wawbmdknpbal.exe
Deletes itself 1 IoCs

Processes:

Wawbmdknpbal.exe

pid process

1736 Wawbmdknpbal.exe
Loads dropped DLL 1 IoCs

Processes:

651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe

pid process

1808 651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe

pid	process
1736	Wawbmdknpbal.exe
856	Wawbmdknpbal.exe

pid	process
1736	Wawbmdknpbal.exe

pid	process
1808	651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Wawbmdknpbal.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\Wawbmdknpbal.exe"	Wawbmdknpbal.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	Wawbmdknpbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\Wawbmdknpbal.exe"	Wawbmdknpbal.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	Wawbmdknpbal.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exeWawbmdknpbal.exe

description	pid	process	target process
PID 1808 wrote to memory of 1736	1808	651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe	Wawbmdknpbal.exe
PID 1808 wrote to memory of 1736	1808	651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe	Wawbmdknpbal.exe
PID 1808 wrote to memory of 1736	1808	651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe	Wawbmdknpbal.exe
PID 1808 wrote to memory of 1736	1808	651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe	Wawbmdknpbal.exe
PID 1736 wrote to memory of 856	1736	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 1736 wrote to memory of 856	1736	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 1736 wrote to memory of 856	1736	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 1736 wrote to memory of 856	1736	Wawbmdknpbal.exe	Wawbmdknpbal.exe

C:\Users\Admin\AppData\Local\Temp\651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe
"C:\Users\Admin\AppData\Local\Temp\651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
  "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" "/rC:\Users\Admin\AppData\Local\Temp\651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9.exe"
  2⤵
  - Executes dropped EXE
  - Deletes itself
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
    "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" /w0000011C
    3⤵
    - Executes dropped EXE
    PID:856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

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
363KB

MD5
7ea2c970326af64b1b196c4dd12e61dc

SHA1
a3dbdf84d229d3ff549855cf7adc34e75d01efd3

SHA256
651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9

SHA512
1128583ed88f9a44b98c8ab6bbb55a75645e89242dae941dae69c659ba66e40bced6364cb4e05eae5a99be10d2742ed34ec714c314332150ede2fc8c62f6dcd1

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

Filesize
363KB

MD5
7ea2c970326af64b1b196c4dd12e61dc

SHA1
a3dbdf84d229d3ff549855cf7adc34e75d01efd3

SHA256
651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9

SHA512
1128583ed88f9a44b98c8ab6bbb55a75645e89242dae941dae69c659ba66e40bced6364cb4e05eae5a99be10d2742ed34ec714c314332150ede2fc8c62f6dcd1

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

Filesize
363KB

MD5
7ea2c970326af64b1b196c4dd12e61dc

SHA1
a3dbdf84d229d3ff549855cf7adc34e75d01efd3

SHA256
651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9

SHA512
1128583ed88f9a44b98c8ab6bbb55a75645e89242dae941dae69c659ba66e40bced6364cb4e05eae5a99be10d2742ed34ec714c314332150ede2fc8c62f6dcd1

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

Filesize
363KB

MD5
7ea2c970326af64b1b196c4dd12e61dc

SHA1
a3dbdf84d229d3ff549855cf7adc34e75d01efd3

SHA256
651f451aaf9a9694884322d91a225294af145006219c346d1a9b50a2d92db6d9

SHA512
1128583ed88f9a44b98c8ab6bbb55a75645e89242dae941dae69c659ba66e40bced6364cb4e05eae5a99be10d2742ed34ec714c314332150ede2fc8c62f6dcd1

Download Submit
memory/856-60-0x0000000000000000-mapping.dmp

Download
memory/1736-56-0x0000000000000000-mapping.dmp

Download
memory/1808-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download

Analysis

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