9cca7691e21d2e85941f40183acc2ea7789698bb148cc8a52ec877fc85c9d7f5

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/04/2024, 19:33

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General

Target

2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_cryptolocker.exe
Size

49KB
MD5

51c0041d24a5e90ebb467a0fe435f9d9
SHA1

9fc8bdfb6e3744509a0c7156f0ed8e0418b21a1d
SHA256

9cca7691e21d2e85941f40183acc2ea7789698bb148cc8a52ec877fc85c9d7f5
SHA512

85d1ab8be942ef013c7d8c116dcc9e5ef52d38f7c1c326086ccfdf6a7c0d1b793b9069979de8351b27277b083df5b688ca78256b2fc65a4d77ae8dfd56f4bb14
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvvkKZgg:bgGYcA/53GAA6y37nb/R

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2932	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2948	2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_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 2948 wrote to memory of 2932	2948	2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_cryptolocker.exe	28
PID 2948 wrote to memory of 2932	2948	2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_cryptolocker.exe	28
PID 2948 wrote to memory of 2932	2948	2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_cryptolocker.exe	28
PID 2948 wrote to memory of 2932	2948	2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-04_51c0041d24a5e90ebb467a0fe435f9d9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2932

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
49KB

MD5
8aeddcd4e4244c073b7b5b140a2f632f

SHA1
bc132e6e57511db87ff677035cc406f02dae1b1a

SHA256
9ad99d59f1f7edd866f50ada300d293422effff0c0769188987f939ce2f29fdb

SHA512
1fb637a8f5537b3c0af60d1d1422af6208caf9a7330559bebed209837b29ec7c334ed63cbb8b3c59467577afefe333506a4caeb466f86cee4642e3f3142e40dd

Download Submit
memory/2932-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2932-17-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2948-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2948-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2948-8-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download