04725c6c27392120e0f973fed104c049f6a07fa4ec5ca7836d7fc1323af42458

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 21:01

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General

Target

2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe
Size

38KB
MD5

fdd37eba78945d743b2d99c05771c878
SHA1

d3f8aa296086aaaad77e7019fdd99e824cbc31b2
SHA256

04725c6c27392120e0f973fed104c049f6a07fa4ec5ca7836d7fc1323af42458
SHA512

ffe1fd6493e17f0d36c8cf790705a71b4ce241c0239a8d37d1b6f89e281994bb5c7112fccd8176b565b7d2c7e79b29ee2032a9470ceb21c4848f11498b5cb45f
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLen7n+1:ZzFbxmLPWQMOtEvwDpjLeu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012302-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2580	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	2024-02-23_fdd37eba78945d743b2d99c05771c878_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 2248 wrote to memory of 2580	2248	2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe	28
PID 2248 wrote to memory of 2580	2248	2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe	28
PID 2248 wrote to memory of 2580	2248	2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe	28
PID 2248 wrote to memory of 2580	2248	2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2580

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
38KB

MD5
6fc244d59795d60677deb2dc98d90903

SHA1
a1230c768d43f56ac24eda04c9d6a4e56d497ce0

SHA256
c31661d5fcfefda9c74131abfe741890541ad92061ed15abc951fda0e936c976

SHA512
81527bf32e6d1db11c89ba944d368f8ee2e16cba845709791cba835cb36a2b8986a532c251012f8ea22038d8030a5f7ec525272b879cf144a8a428dcd161c12b

Download Submit
memory/2248-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2248-0-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2248-8-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2248-9-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2580-16-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2580-20-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download