56f597f2940354f4a5b4c147c3fe36ff958a6242447abc0ab40fcb6ff21164c9

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 10:20

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General

Target

2024-04-15_e66c63f9d3ec97378d91159fc80a202d_cryptolocker.exe
Size

61KB
MD5

e66c63f9d3ec97378d91159fc80a202d
SHA1

5621e8e405198b93bd1774e196983b156bc3451e
SHA256

56f597f2940354f4a5b4c147c3fe36ff958a6242447abc0ab40fcb6ff21164c9
SHA512

ecda52953bf70cf9c0a50fa6b4dc2ae56b8f2f767c1f3110775f7b11f819d441162a727cc335e7eca73ac53354805bb43a082346db0d10fdfc895ef0258d203e
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMD:TCjsIOtEvwDpj5HE/OUHnSME

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1284-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000e00000001224e-11.dat	CryptoLocker_rule2
behavioral1/memory/1284-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2568-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2568-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1284-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000e00000001224e-11.dat	CryptoLocker_set1
behavioral1/memory/1284-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2568-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2568-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2568	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1284	2024-04-15_e66c63f9d3ec97378d91159fc80a202d_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 1284 wrote to memory of 2568	1284	2024-04-15_e66c63f9d3ec97378d91159fc80a202d_cryptolocker.exe	28
PID 1284 wrote to memory of 2568	1284	2024-04-15_e66c63f9d3ec97378d91159fc80a202d_cryptolocker.exe	28
PID 1284 wrote to memory of 2568	1284	2024-04-15_e66c63f9d3ec97378d91159fc80a202d_cryptolocker.exe	28
PID 1284 wrote to memory of 2568	1284	2024-04-15_e66c63f9d3ec97378d91159fc80a202d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_e66c63f9d3ec97378d91159fc80a202d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_e66c63f9d3ec97378d91159fc80a202d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2568

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
61KB

MD5
b98153ebfc3793f9d83c32a572e33321

SHA1
60c7ba397b30334237b18bf3cad6ebced02358a4

SHA256
dd5f204bfe551e825e3398270d6cb047db899d022de829a53bfd3218e771352e

SHA512
b0f9375fec5786b1894c27f3794689a08a9d5e3fe13edc59fa6ee47636c37a7d09bb2553df0c7859e0690a558bb8ff9f9180cfbd82ba14231062e70962c2b07e

Download Submit
memory/1284-1-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1284-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1284-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1284-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1284-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1284-13-0x0000000001EC0000-0x0000000001ECE000-memory.dmp

Filesize
56KB

Download
memory/2568-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2568-20-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2568-19-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2568-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download