3cbd5fe5e7166e03e86d30acbc321f183aee26136861c084b39ea46598d9ac63

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 23:34

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General

Target

2024-06-12_9480548663dfa5657755886e4741fe8c_cryptolocker.exe
Size

63KB
MD5

9480548663dfa5657755886e4741fe8c
SHA1

b388d1422df1ecda9e4e48a0b9469465b8e2c32b
SHA256

3cbd5fe5e7166e03e86d30acbc321f183aee26136861c084b39ea46598d9ac63
SHA512

273ab30606a7b3d2f5ce40dab063c8b3a5a34f502b771ab93d4db62db498a714d2bb28ac08d208a14d7770f19dcfa45ea3ef0a562d3e50e118c0f59d0494bf95
SSDEEP

1536:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWTAf:3WHsIOtEvwDpjoHYG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/3044-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012286-15.dat	CryptoLocker_rule2
behavioral1/memory/3044-14-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2388-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2388-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/3044-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012286-15.dat	CryptoLocker_set1
behavioral1/memory/3044-14-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2388-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2388-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2388	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3044	2024-06-12_9480548663dfa5657755886e4741fe8c_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 3044 wrote to memory of 2388	3044	2024-06-12_9480548663dfa5657755886e4741fe8c_cryptolocker.exe	28
PID 3044 wrote to memory of 2388	3044	2024-06-12_9480548663dfa5657755886e4741fe8c_cryptolocker.exe	28
PID 3044 wrote to memory of 2388	3044	2024-06-12_9480548663dfa5657755886e4741fe8c_cryptolocker.exe	28
PID 3044 wrote to memory of 2388	3044	2024-06-12_9480548663dfa5657755886e4741fe8c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-12_9480548663dfa5657755886e4741fe8c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_9480548663dfa5657755886e4741fe8c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2388

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
63KB

MD5
28e10a1ce1ea64c8622f0e31f23d29b5

SHA1
fa499008c74b85c7f023414cc3e7e823fd452e48

SHA256
d018390cbceb09abda793048c0e04b4b85634960a9d4c34bd91738822b6fa801

SHA512
ebb52027bd383de604124e7103edce606786becb541b128761fe606b144b9accde601ef74d87526b01bfb2bf6ef56dd878979149ae28c17dd408cf145d9c25f7

Download Submit
memory/2388-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2388-18-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2388-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2388-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3044-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3044-1-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3044-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3044-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3044-14-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download