8fda2809fc48987b3ef38f9abb63301c8969e67668594d4632172bbf8b65cd46

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13-02-2024 06:18

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General

Target

2024-02-13_e89684773dac8e44cb7877d898180ccc_cryptolocker.exe
Size

32KB
MD5

e89684773dac8e44cb7877d898180ccc
SHA1

fc630ea8b83d82ed875630ac7166fb0e4ff2cab1
SHA256

8fda2809fc48987b3ef38f9abb63301c8969e67668594d4632172bbf8b65cd46
SHA512

d27987f629388bb09ddfb32122a7956c47690d149c447fd6d7e1f0e4f67527d32a2363a987f7bbf5fc61686d6b2c4e1f07130fea5690dd38beab75427d6e2ae1
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJXTQke8S4N6:bA74zYcgT/Ekd0ryfjQRSNhpSx

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012246-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2316	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2620	2024-02-13_e89684773dac8e44cb7877d898180ccc_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 2620 wrote to memory of 2316	2620	2024-02-13_e89684773dac8e44cb7877d898180ccc_cryptolocker.exe	28
PID 2620 wrote to memory of 2316	2620	2024-02-13_e89684773dac8e44cb7877d898180ccc_cryptolocker.exe	28
PID 2620 wrote to memory of 2316	2620	2024-02-13_e89684773dac8e44cb7877d898180ccc_cryptolocker.exe	28
PID 2620 wrote to memory of 2316	2620	2024-02-13_e89684773dac8e44cb7877d898180ccc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-13_e89684773dac8e44cb7877d898180ccc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_e89684773dac8e44cb7877d898180ccc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2316

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
32KB

MD5
89a8d4ed3c85a978138bd1bbcd125a94

SHA1
b66decd14ceac0528b4e9734fe0cd4556fcaa817

SHA256
b18847c1bda6a4886e8e990a6bc4eef2a7b071ff2f0540078f3145bb6037aca4

SHA512
2233ea474a02c9afab4172985ff18e34ce548431f77b2329ced066d6259e59f518e2f2339e36a7a1e28a9b796a4ff37a89d56f1512a33b1fc8529d18a15ff75c

Download Submit
memory/2316-16-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2316-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2620-0-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2620-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2620-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download