ec28076a58f45923cb9e14e191c96a900e99d26412fd176016e405d7baa7ad72

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 09:42

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General

Target

2024-04-15_49953930d0c4b09b9e3a72143d984577_cryptolocker.exe
Size

54KB
MD5

49953930d0c4b09b9e3a72143d984577
SHA1

aff32fefad72309ca8036e5dc6f2d096ac941e41
SHA256

ec28076a58f45923cb9e14e191c96a900e99d26412fd176016e405d7baa7ad72
SHA512

ae25a6b3588b0405922516c284113ade519073b334a29d92863cb739fcc24d4f738c93dbb7650b5c5e7474c6bbf6e111d451de22bfe765f2df2d5e3632567729
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8puq:bIDOw9a0DwitDZzcTLq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014120-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2212	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	2024-04-15_49953930d0c4b09b9e3a72143d984577_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 2364 wrote to memory of 2212	2364	2024-04-15_49953930d0c4b09b9e3a72143d984577_cryptolocker.exe	28
PID 2364 wrote to memory of 2212	2364	2024-04-15_49953930d0c4b09b9e3a72143d984577_cryptolocker.exe	28
PID 2364 wrote to memory of 2212	2364	2024-04-15_49953930d0c4b09b9e3a72143d984577_cryptolocker.exe	28
PID 2364 wrote to memory of 2212	2364	2024-04-15_49953930d0c4b09b9e3a72143d984577_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_49953930d0c4b09b9e3a72143d984577_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_49953930d0c4b09b9e3a72143d984577_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2212

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\lossy.exe

Filesize
54KB

MD5
d8a0a525818b31c0ffc1e85b584c2b5b

SHA1
f38cc125701566f3f58d876f798fac408e986836

SHA256
2ebc2c76bf048b3814ecc0422296c5a7fc914b072fbac4d39a7a5a2ff7ad5c3c

SHA512
7ad8d97b5af2c4ff5d842f257baa03fbc032def26de9d2b2f3a757d08e3ad111628292b2f9679f6ed9c03c50218e9c802cb82319e367c6b7c72e9fe3bb9d7395

Download Submit
memory/2212-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2212-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2364-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download