ecaa009f5861ec201aae4330f5ddaaa397e56a5cb2e2340b537f460073968b27

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13-02-2024 18:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-13_8c1073ed1f70389348bcf670409431e7_cryptolocker.exe
Size

89KB
MD5

8c1073ed1f70389348bcf670409431e7
SHA1

cf0d77d4b44d83275bf5ddac591f364323c4d07e
SHA256

ecaa009f5861ec201aae4330f5ddaaa397e56a5cb2e2340b537f460073968b27
SHA512

9a6be2e31877bb803c2b472ef19e28e5669af6939181fbf2ac768f8c3d0d596d4700dae427d99fe02eec55dbd14c20f7a7aa5f2124569082d20e9ce7c366cefd
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNA:vCjsIOtEvwDpj5H8zPsk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2396	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-02-13_8c1073ed1f70389348bcf670409431e7_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 1712 wrote to memory of 2396	1712	2024-02-13_8c1073ed1f70389348bcf670409431e7_cryptolocker.exe	28
PID 1712 wrote to memory of 2396	1712	2024-02-13_8c1073ed1f70389348bcf670409431e7_cryptolocker.exe	28
PID 1712 wrote to memory of 2396	1712	2024-02-13_8c1073ed1f70389348bcf670409431e7_cryptolocker.exe	28
PID 1712 wrote to memory of 2396	1712	2024-02-13_8c1073ed1f70389348bcf670409431e7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-13_8c1073ed1f70389348bcf670409431e7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_8c1073ed1f70389348bcf670409431e7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2396

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

Loading Replay Monitor...

Downloads

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

Filesize
89KB

MD5
6952df84828897399b412393bfd302b4

SHA1
c9d7f55fbf553307571a67d983cfef24b4f937b7

SHA256
1d61c20ba3cf6b704bdd2651baab4d7a8f0e407d6f8824812e58b947b0de120c

SHA512
1fc4495a1921a822d0a0543d266abefe56a7003e32f4bba87828b301270ed8579b7f1fedab4b8e82c1a31374fd25c91e2ac87f87d7615032a2c91e9931a0f38b

Download Submit
memory/1712-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1712-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1712-8-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2396-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2396-18-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download