ce942d26ac7d21db88a7cf04518eedbca0cfcece48f134978bff389c883989ba

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12-05-2024 06:39

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General

Target

2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_cryptolocker.exe
Size

86KB
MD5

b9bbff0d1abd465ce4c0960c41ded006
SHA1

28e5b232d943d004876da8d3c8edd0a057849fe2
SHA256

ce942d26ac7d21db88a7cf04518eedbca0cfcece48f134978bff389c883989ba
SHA512

b1c572179d6ab62f359fa59d3ea09bf513d68b2850a5224cbb450c02d4b03418d93d2f4109a74c395174a46a3abb5d03cbe909e398cccfbce1fc60dec1aaf42a
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBgU:vCjsIOtEvwDpj5H9YvQd25

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001220d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001220d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3020	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2988	2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_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 2988 wrote to memory of 3020	2988	2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_cryptolocker.exe	28
PID 2988 wrote to memory of 3020	2988	2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_cryptolocker.exe	28
PID 2988 wrote to memory of 3020	2988	2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_cryptolocker.exe	28
PID 2988 wrote to memory of 3020	2988	2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_b9bbff0d1abd465ce4c0960c41ded006_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3020

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
86KB

MD5
7c5a4d56eae7887d3ce82c17a6cbc068

SHA1
38dde5f8c074394b9c4bc3db474ecb2658830b80

SHA256
f5b9b0ec939e8b133e0d00cb1a37dc7c384e0ba28503fc00b959e8d04ecb2ad7

SHA512
425bb086d8c8e98c1a3586b0551f0e70c3b50707580e18a078bcc0c91bfafd400c763f208851e7721a4636e28a78c02c90ba8b8583e78d033a76729c070d1da1

Download Submit
memory/2988-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2988-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3020-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download