2b34c1d27e36767171e42423602f30d1fdbdaca616f23193087db070bcabbd7a

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 09:56

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General

Target

2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe
Size

386KB
MD5

da070fa885901e47ed09aa6af97aedd6
SHA1

f622d41ffcb9485cde7aa9d07fa9424c770efab7
SHA256

2b34c1d27e36767171e42423602f30d1fdbdaca616f23193087db070bcabbd7a
SHA512

195917bd61607290460eb8d175c76a1dd28c92521fd2aee8e566bcb54a65fc96a7f8875f788524fa04c827e0367bc22959399217d1e6f405d487cba9ea060975
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXY:nnOflT/ZFIjBz3xjTxynGUOUhXY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000133a4-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3064	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2960	2024-03-19_da070fa885901e47ed09aa6af97aedd6_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 2960 wrote to memory of 3064	2960	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe	28
PID 2960 wrote to memory of 3064	2960	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe	28
PID 2960 wrote to memory of 3064	2960	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe	28
PID 2960 wrote to memory of 3064	2960	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3064

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
386KB

MD5
592046f0cf3e277b8e9247b7a2283858

SHA1
f6fb8c12cf51162730c517f2c7227c0d74ccdce2

SHA256
7ea055f14565dcbe6aab7fc87cafe86eca3cf6aaada72468ef91019bb4842953

SHA512
5e05308eaeaa7352a91a5bb3a354602191d42ba52891c230ccaf582775e479b6681911d74e43e70acec8a24e1609e3888428c91126b32b716c2287734875d1db

Download Submit
memory/2960-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2960-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2960-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3064-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download