ed07abf6c48e1e4972d7a05a8b91f32f8d23170863f0e1db15016c13211062a1

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 21:23

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General

Target

2024-03-19_01bae834316b61a55bfc55ea15611e99_cryptolocker.exe
Size

40KB
MD5

01bae834316b61a55bfc55ea15611e99
SHA1

4af1e99574b3cd5465ec443f1fe2679f265d09ac
SHA256

ed07abf6c48e1e4972d7a05a8b91f32f8d23170863f0e1db15016c13211062a1
SHA512

35fbf3374fd620d020e295b3a90320ad4864f707012bee51b29c993f4e91039bee83a7b9f6e6fab17dd1a642a837c0f9609ecc971870d96885cbf99bd84f462f
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66q:vj+jsMQMOtEvwDpj5HW5B

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014466-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014466-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1296	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1656	2024-03-19_01bae834316b61a55bfc55ea15611e99_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 1656 wrote to memory of 1296	1656	2024-03-19_01bae834316b61a55bfc55ea15611e99_cryptolocker.exe	28
PID 1656 wrote to memory of 1296	1656	2024-03-19_01bae834316b61a55bfc55ea15611e99_cryptolocker.exe	28
PID 1656 wrote to memory of 1296	1656	2024-03-19_01bae834316b61a55bfc55ea15611e99_cryptolocker.exe	28
PID 1656 wrote to memory of 1296	1656	2024-03-19_01bae834316b61a55bfc55ea15611e99_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_01bae834316b61a55bfc55ea15611e99_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_01bae834316b61a55bfc55ea15611e99_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1296

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
40KB

MD5
37a5af92eab9586c4b8a868b5a1edcaa

SHA1
bf424845d04273fb19f55020d213a6c455cbe16a

SHA256
86d9dd913d42da468c3f6a42fdeab2333cf0d62341a7178de91c64ff1971e554

SHA512
3258adaaac81d9ad9a6170d99782e8839255ae04874918574ff98288a85a5058a107d4708bb0d9843456d11f77d2e33f9e194e21f04aee20386175e8955dc399

Download Submit
memory/1296-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1296-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1656-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1656-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1656-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download