e412e5a769cfe712c18b8187b1f66c508d91d7fddc116c3a0bce3932d3cfb313

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-02-2024 04:59

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General

Target

2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_cryptolocker.exe
Size

48KB
MD5

95814d3aa2bca4e513baccd4dd6d4793
SHA1

cb779e41145a56f74fd37c31c667ef643493277d
SHA256

e412e5a769cfe712c18b8187b1f66c508d91d7fddc116c3a0bce3932d3cfb313
SHA512

910d3d3764a7fb6114240ce8392dcb05ad75f2f55a1f77c1e757af4626aa42a197f58922c440940dbafed2f0d79fb83a720b6e8f26b841983f56357e41461b3a
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakzu:V6a+pOtEvwDpjD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012243-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012243-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2392	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2864	2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_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 2864 wrote to memory of 2392	2864	2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_cryptolocker.exe	28
PID 2864 wrote to memory of 2392	2864	2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_cryptolocker.exe	28
PID 2864 wrote to memory of 2392	2864	2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_cryptolocker.exe	28
PID 2864 wrote to memory of 2392	2864	2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_95814d3aa2bca4e513baccd4dd6d4793_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2392

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\asih.exe

Filesize
48KB

MD5
6e2f7294ee618a95bbca9331d9153f41

SHA1
6fb65464255225760113e6c4738238ad4b64b36e

SHA256
8abc993fa1cce774e66075e30e697f63cb5305021ff8b3a99d3a4d5ff9a4e4c9

SHA512
2add7a66bf80a971fc982490530df261db2dd045f443cea8cbee0ef1344c25b443b0644170c180d90471ad145282851f6d2bc9fed1118b1a9a98efc51079da60

Download Submit
memory/2392-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2392-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2864-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2864-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2864-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download