84ffeb03e01122e7bf0fa887abe5ca16534db2d10473a8ffb3d0770086887bb8

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
27/06/2024, 15:26

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General

Target

2024-06-27_68aecaa182c7e7cf4958191900715dc9_cryptolocker.exe
Size

48KB
MD5

68aecaa182c7e7cf4958191900715dc9
SHA1

72042690e50cc05974992f380e6be5d276dd79c4
SHA256

84ffeb03e01122e7bf0fa887abe5ca16534db2d10473a8ffb3d0770086887bb8
SHA512

a21f98013612b5b06685b0eff6f351e15d2a57ef9f01b228a894441b89e78df05aabf87f4b5edab0ff096ac1723a59898020bfd2f63db1168267d728e15f167e
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvy3Z5f:79mqyNhQMOtEvwDpjBzckqXf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2960-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d000000014713-11.dat	CryptoLocker_rule2
behavioral1/memory/2960-13-0x00000000004C0000-0x00000000004CF000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2960-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2132-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2960-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d000000014713-11.dat	CryptoLocker_set1
behavioral1/memory/2960-13-0x00000000004C0000-0x00000000004CF000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2960-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2132-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2132	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2960	2024-06-27_68aecaa182c7e7cf4958191900715dc9_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 2960 wrote to memory of 2132	2960	2024-06-27_68aecaa182c7e7cf4958191900715dc9_cryptolocker.exe	28
PID 2960 wrote to memory of 2132	2960	2024-06-27_68aecaa182c7e7cf4958191900715dc9_cryptolocker.exe	28
PID 2960 wrote to memory of 2132	2960	2024-06-27_68aecaa182c7e7cf4958191900715dc9_cryptolocker.exe	28
PID 2960 wrote to memory of 2132	2960	2024-06-27_68aecaa182c7e7cf4958191900715dc9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-27_68aecaa182c7e7cf4958191900715dc9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-27_68aecaa182c7e7cf4958191900715dc9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2132

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
d7078aea614fbcada6a07c6db17d24ea

SHA1
6fc04cff7abdb6e844e9189a959468000db11acb

SHA256
30a0b5bae7132803965a8509f9a51f7c9bb06b109359d32c48c9594e60a3bd02

SHA512
fcd6a3f4067e88d48c88b93e8eb58789c1c7245c26b437449f929932047c0e9a0d32501ceb7f35c14f4add5f03341c63f32b12aa4fc4b065cf46c770ab479651

Download Submit
memory/2132-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2132-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2132-18-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2960-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2960-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2960-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2960-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2960-13-0x00000000004C0000-0x00000000004CF000-memory.dmp

Filesize
60KB

Download
memory/2960-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download