c7c230d3dd29da71f85c539b3348a3f136f25dac6abf2551187283edccf21e15

Analysis

max time kernel
132s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 04:07

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General

Target

2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe
Size

50KB
MD5

ba465a035b0f85e336873c4f777c4b5e
SHA1

8d4a99dcbd877272e0788647f655f57b46c35606
SHA256

c7c230d3dd29da71f85c539b3348a3f136f25dac6abf2551187283edccf21e15
SHA512

789c5adce67c11268f4400717e83dfcaf504c5a7e63e2ffc0b8927292cdc53798a3ae35edaaf74ca6e72691e4a67c9b215d5439b9a92009989838d6cdd3342b0
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0Fmy7gKt/:vj+jsMQMOtEvwDpj5HczerLO04y7t

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012267-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012267-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2512	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2512	2188	2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe	28
PID 2188 wrote to memory of 2512	2188	2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe	28
PID 2188 wrote to memory of 2512	2188	2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe	28
PID 2188 wrote to memory of 2512	2188	2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_ba465a035b0f85e336873c4f777c4b5e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
50KB

MD5
e6d6243d4386847ec886c9c48968e656

SHA1
13e1da5efd83db1ab7384ee597cf45c9b321ca49

SHA256
08540c8bc86b6b47275a22148e2e9ae06d1a67073559c7b78a1a185ff32c8177

SHA512
cec49b1dd0d3d8824cc03b2c3e7360ca6d6759ed3bc73980605e21d12258b8f44d0155b2e56a1eebef540e9bb05a19da7cb826c4b738c21e6ce4b93055be4823

Download Submit
memory/2188-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2188-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2188-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2512-16-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2512-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download