24ce2a4236e07d7a6410c2cab5a278d867e7ba22c6055d3b4615b70170f80f20

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
31/05/2024, 20:45

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General

Target

2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_cryptolocker.exe
Size

33KB
MD5

db3cb7e653bcc0f3ca5a88130f204107
SHA1

e8fa75e0da4b9964dd6383bb3d33decc5402f3fc
SHA256

24ce2a4236e07d7a6410c2cab5a278d867e7ba22c6055d3b4615b70170f80f20
SHA512

b976ced347d6801c95f849bbc6c9875dae631f388812fbb997f4cf93818f283803785d803a38f17deab1a6fc4ef6d8a42bdb0dcd64f296bebde414ea6490ddd9
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuab:bG74zYcgT/Ekd0ryfjK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/3016-0-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001227e-11.dat	CryptoLocker_rule2
behavioral1/memory/3016-15-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2812-16-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2812-26-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2812	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3016	2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_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 3016 wrote to memory of 2812	3016	2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_cryptolocker.exe	28
PID 3016 wrote to memory of 2812	3016	2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_cryptolocker.exe	28
PID 3016 wrote to memory of 2812	3016	2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_cryptolocker.exe	28
PID 3016 wrote to memory of 2812	3016	2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-31_db3cb7e653bcc0f3ca5a88130f204107_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2812

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\hasfj.exe

Filesize
33KB

MD5
3e1727187e877714cf95914e6e264fa7

SHA1
01cc701e7e50eca046e796c27cb8cbcb5015aa2d

SHA256
0746fd0b51f50effacc302cdfcd820e85dd81d3ca574b648d34169cab0291b97

SHA512
9b1a6c06661ff346607b18e2428405d8007c2491886a275fd28636a6245fc878fcded3e47785d76f6d1a9374fdca91f33de470e28a25afd0b1c5b97857463c60

Download Submit
memory/2812-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2812-18-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2812-25-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2812-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3016-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3016-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3016-2-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3016-9-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3016-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download