317cf25f20bcc01948ea8c7213d27944445e9400d0183f8ad192ac0ece7e8aee

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 19:52

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General

Target

2024-03-25_868785cb93141ffc6864556e987f8bda_cryptolocker.exe
Size

387KB
MD5

868785cb93141ffc6864556e987f8bda
SHA1

0325c200f759d6888c41ecde160ac056c838fb44
SHA256

317cf25f20bcc01948ea8c7213d27944445e9400d0183f8ad192ac0ece7e8aee
SHA512

6c2a3454bff1de5d0d3154f7bd5e8ee9b06403c8a294e951ee1e1cddb7874f4ba9c77a7643dd404a40e7de56f94cac6de3bcaf097713a9965b8724a60240aa07
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXM:nnOflT/ZFIjBz3xjTxynGUOUhXM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012257-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2176	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	2024-03-25_868785cb93141ffc6864556e987f8bda_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 3028 wrote to memory of 2176	3028	2024-03-25_868785cb93141ffc6864556e987f8bda_cryptolocker.exe	28
PID 3028 wrote to memory of 2176	3028	2024-03-25_868785cb93141ffc6864556e987f8bda_cryptolocker.exe	28
PID 3028 wrote to memory of 2176	3028	2024-03-25_868785cb93141ffc6864556e987f8bda_cryptolocker.exe	28
PID 3028 wrote to memory of 2176	3028	2024-03-25_868785cb93141ffc6864556e987f8bda_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-25_868785cb93141ffc6864556e987f8bda_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_868785cb93141ffc6864556e987f8bda_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2176

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
387KB

MD5
cfddd519ae58675e0c5f4b6ca013920c

SHA1
183fc397caabb2bbb1fa24767572af2ebbd9678f

SHA256
34ba3de87ea288bda9fe907175aa595095abf9990a3e69766ed6e32dafb2aaa1

SHA512
db4aa10768e3c04b365607e688a81ed437c69dafd6d3f356876e5689d77bdb3a3e2f4735ecc18203f3892eb336b948fc2b60fd678f00f61c96ae5418239d3d8e

Download Submit
memory/2176-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2176-22-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/3028-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3028-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3028-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download