83bc174a316bf34495a41ee3f1769d55d7154df5e35cea436e960bc3580dadb1

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22-02-2024 23:24

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General

Target

2024-02-22_22231570b04ac44c07fdaa55783948ba_cryptolocker.exe
Size

37KB
MD5

22231570b04ac44c07fdaa55783948ba
SHA1

688231972ae6f0be5395c93fe1c393fc590273e2
SHA256

83bc174a316bf34495a41ee3f1769d55d7154df5e35cea436e960bc3580dadb1
SHA512

983f4bfa429c7ead304a225054d3194b1cef2638415de6e274d7a51726888e894439f5bd31fd7aeccd557090365efff87fdcff6dae678dfcfd68e05a0f3e7346
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZr/0x:bgX4zYcgTEu6QOaryfjqDDw3sCu5q/W

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012252-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2024	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-02-22_22231570b04ac44c07fdaa55783948ba_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 2108 wrote to memory of 2024	2108	2024-02-22_22231570b04ac44c07fdaa55783948ba_cryptolocker.exe	28
PID 2108 wrote to memory of 2024	2108	2024-02-22_22231570b04ac44c07fdaa55783948ba_cryptolocker.exe	28
PID 2108 wrote to memory of 2024	2108	2024-02-22_22231570b04ac44c07fdaa55783948ba_cryptolocker.exe	28
PID 2108 wrote to memory of 2024	2108	2024-02-22_22231570b04ac44c07fdaa55783948ba_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_22231570b04ac44c07fdaa55783948ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_22231570b04ac44c07fdaa55783948ba_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2024

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
38KB

MD5
230d1c3db726ef4eab25709861b2eba4

SHA1
7a3f14f71b1c479d3e6080ab87d3ae7e8bfb8d87

SHA256
284dc07c59aa5959c1124ed1dc3af17d1c8f016f251760b9c0ec1d23ad2eb42b

SHA512
665c30cb7f9e148d2403fb51d3c99f95f140e8690d77c9f8339c3bda9a1097b196529aa290c09a867ad417ea644e4323c8d5054656fa7ee0ce7f29660540b154

Download Submit
memory/2024-15-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2024-20-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2108-0-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2108-8-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download