ecb69a696cf38f35fd346b26aa5e3e61e79003faa88d05531594e4a33eb6cdf7

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 05:26

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General

Target

2024-03-11_0ecbe379746f2418af37022d65f2e3a2_cryptolocker.exe
Size

126KB
MD5

0ecbe379746f2418af37022d65f2e3a2
SHA1

853f68050618b6346adb0f89a0671d53c7e7bb4b
SHA256

ecb69a696cf38f35fd346b26aa5e3e61e79003faa88d05531594e4a33eb6cdf7
SHA512

ac546a5f2f125190d32484485d690658818a182e645f7cd2c8539f30f682964df122d4bdc085900e22ff83ab4f764dfe10a956c2682e043b2e05e0497aeaf4e8
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpVA:vCA9OtEvwDpjy

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015df1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015df1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2028	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	2024-03-11_0ecbe379746f2418af37022d65f2e3a2_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 2104 wrote to memory of 2028	2104	2024-03-11_0ecbe379746f2418af37022d65f2e3a2_cryptolocker.exe	28
PID 2104 wrote to memory of 2028	2104	2024-03-11_0ecbe379746f2418af37022d65f2e3a2_cryptolocker.exe	28
PID 2104 wrote to memory of 2028	2104	2024-03-11_0ecbe379746f2418af37022d65f2e3a2_cryptolocker.exe	28
PID 2104 wrote to memory of 2028	2104	2024-03-11_0ecbe379746f2418af37022d65f2e3a2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-11_0ecbe379746f2418af37022d65f2e3a2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_0ecbe379746f2418af37022d65f2e3a2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2028

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
126KB

MD5
2cad027a7f702e6e83dca5f944f75bf1

SHA1
7b3e3ba7d7e5fe2b45f0fc9255535882c66040bd

SHA256
568d518603c9bbd13720f02d39403b23dd34cfa653f3f3ac84933988e9af76be

SHA512
39357a77f617aff9fa657c9a04642a56b6222c9db26b814861af5b3100ed59fe1bc3d9f497c09870bc3d925a5dab794f31c14e54bead1976631c82ae9b12ef9d

Download Submit
memory/2028-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2028-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2104-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2104-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2104-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download