9bba3f6959957043f1b6c9558812f272e895dc8a54070f0b4689ae4f707a6d20

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 11:30

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General

Target

2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe
Size

37KB
MD5

16f963dbaf4bbfd0c9e56de3f342dd6e
SHA1

867ef1088655c7ea25ccbe97fbbb2b5b502179b9
SHA256

9bba3f6959957043f1b6c9558812f272e895dc8a54070f0b4689ae4f707a6d20
SHA512

dc0f6d3d55df7e0a2a9ceb412b6929a45a9dbb6c0e6a65c0c94fbc18a43b37b07cd56c9f35f5be7e615284e6b8528160d753533f5c43452720472d4db81c7b7f
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZr/04q1:bgX4zYcgTEu6QOaryfjqDDw3sCu5q/c

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3068	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1044	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_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 1044 wrote to memory of 3068	1044	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe	28
PID 1044 wrote to memory of 3068	1044	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe	28
PID 1044 wrote to memory of 3068	1044	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe	28
PID 1044 wrote to memory of 3068	1044	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3068

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
37KB

MD5
2c8701fe31f8a4e8ea061d0a4423031e

SHA1
71f40381b574acf8dd7e98f64f46f8bc97662112

SHA256
9269e5758e355ab5de0c6ce01d1f08a74d7eeb7f7228cf3e32cd7d4a3faf9b88

SHA512
51af71c0c5f8ee8d565fcac32ccda3de0d6523680199800de68b91f1dab7cd1388ec5798d45559ff651cc829b81d89a59750481c0b8ae252789d3d234d2952c9

Download Submit
memory/1044-0-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1044-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1044-8-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/3068-15-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/3068-17-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download