495743f93bb07b58f5c1a64e5f746e164b7c3fa7b2899c47baade6350f956788

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
26/04/2024, 21:29

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General

Target

2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_cryptolocker.exe
Size

36KB
MD5

b529dda68267c8c7e54c9d95a3874ca2
SHA1

303af6ad212c31677c773394887dfea37332be54
SHA256

495743f93bb07b58f5c1a64e5f746e164b7c3fa7b2899c47baade6350f956788
SHA512

015bb0c69c573448bcb09c3f49a07b103ad309bf2f2c14ed57093c4ccdf097b45b80fef7e571265ea95acee772437b22113d27afacdf808ca8d7cbae9e9dc60f
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+40:fT+hsMQMOtEvwDpjoIH0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014267-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014267-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1740	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
612	2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_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 612 wrote to memory of 1740	612	2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_cryptolocker.exe	28
PID 612 wrote to memory of 1740	612	2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_cryptolocker.exe	28
PID 612 wrote to memory of 1740	612	2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_cryptolocker.exe	28
PID 612 wrote to memory of 1740	612	2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-26_b529dda68267c8c7e54c9d95a3874ca2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:612
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1740

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
36KB

MD5
1850ba384502353de63aedbaaa140883

SHA1
c9a7b9108daec36d2a786004c2a3a3f62bfc13cf

SHA256
301783315b559cec6f90af611c3a32263da445ae2e312b35231d1d0518bf2c84

SHA512
5172efd83e3d5de3cd9a2e7c93f978d3f913309f4c195cc80be02ff26b5f64ee79aa4fe79597e4c307333109efbc4897e723790f4a52eabcb65e346e68dc9ee8

Download Submit
memory/612-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/612-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/612-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1740-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1740-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download