3d336f8d96bb17003bc67a7ffdcd6fb420b0a493e0020f8b3ce41c1939345864

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 16:37

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General

Target

2024-04-16_ae1a15991c332467a7f312c55d1381e9_cryptolocker.exe
Size

83KB
MD5

ae1a15991c332467a7f312c55d1381e9
SHA1

187ccbc0b0d715c617782ed860549c72b0a3f49e
SHA256

3d336f8d96bb17003bc67a7ffdcd6fb420b0a493e0020f8b3ce41c1939345864
SHA512

d75c0c736d1b3838da1e666e4b7cb24f3152390d6e90df3ebe290dd5f72edc033c1ec681b2c5f111bf2fd4640b67e2798da0dc4b85b93fc2710da5c1579bf545
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrCU:TCjsIOtEvwDpj5HE/OUHnSMJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

resource	yara_rule
behavioral1/memory/1712-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0009000000015df1-11.dat	CryptoLocker_rule2
behavioral1/memory/1712-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1712-16-0x00000000004E0000-0x00000000004EE000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3004-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3004-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 6 IoCs

resource	yara_rule
behavioral1/memory/1712-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0009000000015df1-11.dat	CryptoLocker_set1
behavioral1/memory/1712-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1712-16-0x00000000004E0000-0x00000000004EE000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3004-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3004-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3004	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-04-16_ae1a15991c332467a7f312c55d1381e9_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 1712 wrote to memory of 3004	1712	2024-04-16_ae1a15991c332467a7f312c55d1381e9_cryptolocker.exe	28
PID 1712 wrote to memory of 3004	1712	2024-04-16_ae1a15991c332467a7f312c55d1381e9_cryptolocker.exe	28
PID 1712 wrote to memory of 3004	1712	2024-04-16_ae1a15991c332467a7f312c55d1381e9_cryptolocker.exe	28
PID 1712 wrote to memory of 3004	1712	2024-04-16_ae1a15991c332467a7f312c55d1381e9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-16_ae1a15991c332467a7f312c55d1381e9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_ae1a15991c332467a7f312c55d1381e9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3004

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\misid.exe

Filesize
83KB

MD5
e35ce1d1b97f4e1ebf4d5f1ad9dc826b

SHA1
c26290b387044920203c12aea425d0eb1864c067

SHA256
652694281f178971e9f420d37d5fc599af8aab64aae96a628356c98b5dcad8bd

SHA512
6cf4869c4876218b478bbe4287f4a1fe6637ca6da8cc7847713b9112f213ae859cd7724fc9a555e2d13edf2e46b5653d5a35dec4aaa7536df54c03164dd6c968

Download Submit
memory/1712-1-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1712-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1712-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1712-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1712-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1712-16-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/3004-18-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3004-21-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3004-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download