46708536747b6d711950bc3a6a632f7084ba29445ab14f67f012924731aca445

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 04:53

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General

Target

2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_cryptolocker.exe
Size

47KB
MD5

2aa2568022c7de0c425a20d9089fc3fb
SHA1

21fd0f7ad409568dc0e17ea26c051cda790e3365
SHA256

46708536747b6d711950bc3a6a632f7084ba29445ab14f67f012924731aca445
SHA512

eff7308f4f49f9dc5964e485bc6326301aa39b5b00131dc6a3eb00706c505a58acbcd3c668e609d312d96a1c32688744d988d641ce080ec982067d2b1d72bac0
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dmv:bgGYcA/53GAA6y37Q6dmv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001222c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2220	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2260	2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_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 2260 wrote to memory of 2220	2260	2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_cryptolocker.exe	28
PID 2260 wrote to memory of 2220	2260	2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_cryptolocker.exe	28
PID 2260 wrote to memory of 2220	2260	2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_cryptolocker.exe	28
PID 2260 wrote to memory of 2220	2260	2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_2aa2568022c7de0c425a20d9089fc3fb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2220

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
47KB

MD5
bf8773151928555816378f92aeb4daf4

SHA1
25283c361982e87d78eadd554daecbddc840196f

SHA256
b34456838249b4cf08848d0d91beb290f59d15079cad5a7afc3260e579669da9

SHA512
f36ea78e8f3547714fadca3866fed138ff684194bcb379ec58a562259ffa076ea1129c43b9e2e19b7ab9df2a9a028ea4f31f8e96a8770ac0e9d9aba97ef0f9f0

Download Submit
memory/2220-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2220-18-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2260-0-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2260-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2260-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download