59c2d5f2b03521dd5ca546a733fc94cb1ba26468a21a9948b8b03d9749182a1d

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 01:02

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General

Target

2024-02-22_f5e4c97dea465e054e8cbb939fe96338_cryptolocker.exe
Size

37KB
MD5

f5e4c97dea465e054e8cbb939fe96338
SHA1

2142f20422b935d6136d19b2d454526a7bc77fe5
SHA256

59c2d5f2b03521dd5ca546a733fc94cb1ba26468a21a9948b8b03d9749182a1d
SHA512

56c87c60569915bf7db9d15952d4c38fe9bec0fb2406b07b7bbc5808b288cce7f4a291546488d5f94aa193e63801ebed18508e589bb3d43910f75ec154a6dfe7
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZnfz+:bgX4zYcgTEu6QOaryfjqDDw3sCu5mz+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012264-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2600	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2228	2024-02-22_f5e4c97dea465e054e8cbb939fe96338_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 2228 wrote to memory of 2600	2228	2024-02-22_f5e4c97dea465e054e8cbb939fe96338_cryptolocker.exe	28
PID 2228 wrote to memory of 2600	2228	2024-02-22_f5e4c97dea465e054e8cbb939fe96338_cryptolocker.exe	28
PID 2228 wrote to memory of 2600	2228	2024-02-22_f5e4c97dea465e054e8cbb939fe96338_cryptolocker.exe	28
PID 2228 wrote to memory of 2600	2228	2024-02-22_f5e4c97dea465e054e8cbb939fe96338_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_f5e4c97dea465e054e8cbb939fe96338_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_f5e4c97dea465e054e8cbb939fe96338_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2600

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
e080396a09ff33d9afecb60f959693a1

SHA1
ec6ea909d221a11705a94a18b9613e181cb3c371

SHA256
996afa5ec12640c2e40ddacd61092bd330188f634329ca12c985376f840a05dd

SHA512
262d057c56e5f4e0fbb5e0372b2639f50021756f7e0ba328ac54f983b7909dffb21b032fdc21e96f55e20492c93b6beece1ba6432fcc2c47d2dc1f5fdb866f63

Download Submit
memory/2228-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2228-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2228-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2600-15-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2600-18-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download