b48dae5cc6d8c949b83cc9c2f04b9a2ce9d8dddb35bd2f93832a60c2c0432b4d

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
31/05/2024, 00:23

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General

Target

2024-05-31_012d5c0006c68c67825157d9de2bd742_cryptolocker.exe
Size

38KB
MD5

012d5c0006c68c67825157d9de2bd742
SHA1

97bafdc86f526ef1978d7fd25076e8f07c835ced
SHA256

b48dae5cc6d8c949b83cc9c2f04b9a2ce9d8dddb35bd2f93832a60c2c0432b4d
SHA512

f8a082d84af92bb0c26d5277d2a87170b4d82400bca9efbf9e7bf2622feea2b87ec381f2a65c40dddda20aef14c3a2cde88b0f38acdb9ecd64e80ff1d38edd20
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4KgMb:fT+hsMQMOtEvwDpjoIHq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001226f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001226f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1872	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-05-31_012d5c0006c68c67825157d9de2bd742_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 1688 wrote to memory of 1872	1688	2024-05-31_012d5c0006c68c67825157d9de2bd742_cryptolocker.exe	28
PID 1688 wrote to memory of 1872	1688	2024-05-31_012d5c0006c68c67825157d9de2bd742_cryptolocker.exe	28
PID 1688 wrote to memory of 1872	1688	2024-05-31_012d5c0006c68c67825157d9de2bd742_cryptolocker.exe	28
PID 1688 wrote to memory of 1872	1688	2024-05-31_012d5c0006c68c67825157d9de2bd742_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-31_012d5c0006c68c67825157d9de2bd742_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-31_012d5c0006c68c67825157d9de2bd742_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1872

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
38KB

MD5
540745d6d450d6cae037704338533f13

SHA1
a78a4268a7daaecace8b5b16d11b418fa860aaa6

SHA256
2febd2a7b9fc522f6b99e3640eda8296eab444c97d50824b3a415b9deeab38b5

SHA512
1c087f4d336216f19f238b960a454f42672b4f8fab2462423656e0ce4e3367201c8aff87b814a61cfd75c98f2542bf875a350df801538bfde31e515ad4e31f8d

Download Submit
memory/1688-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1688-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1688-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1872-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1872-22-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download