af4c4a6f177d4e1cdbcffd0eba2589ca83c33c9745531ea57c802224a788a40a

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 19:25

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General

Target

2024-02-23_007cb19c736ee31bf0b12b96454c18a9_cryptolocker.exe
Size

386KB
MD5

007cb19c736ee31bf0b12b96454c18a9
SHA1

f66dea71f8a45f5f3a839fab1439deac8dc72a03
SHA256

af4c4a6f177d4e1cdbcffd0eba2589ca83c33c9745531ea57c802224a788a40a
SHA512

b33519cf8c49bae6ca98f2d8e1dc4551b143037a712acf176b4c404732e7ef9c4690b2b280ae6fbb69126c270793de39a36a972bae126a5f4a7fa9eefd8ef92d
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzX3:nnOflT/ZFIjBz3xjTxynGUOUhX3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012255-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2096	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2944	2024-02-23_007cb19c736ee31bf0b12b96454c18a9_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 2944 wrote to memory of 2096	2944	2024-02-23_007cb19c736ee31bf0b12b96454c18a9_cryptolocker.exe	28
PID 2944 wrote to memory of 2096	2944	2024-02-23_007cb19c736ee31bf0b12b96454c18a9_cryptolocker.exe	28
PID 2944 wrote to memory of 2096	2944	2024-02-23_007cb19c736ee31bf0b12b96454c18a9_cryptolocker.exe	28
PID 2944 wrote to memory of 2096	2944	2024-02-23_007cb19c736ee31bf0b12b96454c18a9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_007cb19c736ee31bf0b12b96454c18a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_007cb19c736ee31bf0b12b96454c18a9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2096

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\hasfj.exe

Filesize
386KB

MD5
f032f308a17fb8abeac9df1010a57c7c

SHA1
98bca4aa85cdb5d037581a49368d49311e7f2a7d

SHA256
f4b0130dc1ba3250c44a85db13b636a6cb5d784a815cab913e7d8bcc6dd9e825

SHA512
1f2d30fd3edca2f8ed3ce1c8254a41c347190f69cdba9f170195fba371bad83de65f306dff8a13b290ebb2485f73ec915b14e7bf3d43eac1d15fa6d1a1f0a8a6

Download Submit
memory/2096-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2096-16-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2944-0-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2944-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2944-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download