bb48ed1490d08cbd52085b521d8c37c8c9fa6c392e32b6db32241c2196ad8fd7

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 20:38

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General

Target

2024-02-17_8c2abf37100bb63bea9c610a66986cc7_cryptolocker.exe
Size

60KB
MD5

8c2abf37100bb63bea9c610a66986cc7
SHA1

936b4cd06b386ced9ca676475452a57276a9f688
SHA256

bb48ed1490d08cbd52085b521d8c37c8c9fa6c392e32b6db32241c2196ad8fd7
SHA512

6d85ae913e8063887c80c2c001998d92eb0397398098039376203f5210c5a6b9bfd789a99c9f46e906d659c96ae459dd90b7588d17f647cfb051988401252833
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMX4:TCjsIOtEvwDpj5HE/OUHnSMP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1616-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x00070000000120ff-11.dat	CryptoLocker_rule2
behavioral1/memory/1616-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2672-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2672-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1616-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x00070000000120ff-11.dat	CryptoLocker_set1
behavioral1/memory/1616-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2672-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2672-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2672	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1616	2024-02-17_8c2abf37100bb63bea9c610a66986cc7_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 1616 wrote to memory of 2672	1616	2024-02-17_8c2abf37100bb63bea9c610a66986cc7_cryptolocker.exe	28
PID 1616 wrote to memory of 2672	1616	2024-02-17_8c2abf37100bb63bea9c610a66986cc7_cryptolocker.exe	28
PID 1616 wrote to memory of 2672	1616	2024-02-17_8c2abf37100bb63bea9c610a66986cc7_cryptolocker.exe	28
PID 1616 wrote to memory of 2672	1616	2024-02-17_8c2abf37100bb63bea9c610a66986cc7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_8c2abf37100bb63bea9c610a66986cc7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_8c2abf37100bb63bea9c610a66986cc7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2672

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
60KB

MD5
5817d3fe4f54aaffdfd317c7067d03a5

SHA1
64791cc6d9568fea22f82074428a487e4c642267

SHA256
b88d97956778996e1dbdb2d8f0aee885c357292e837cae8247be7c230ef8ebcf

SHA512
0e3fd969047886aab131d855c58a24b1ac239cd734dc179b836290f8212a23deb8012e01c599de70e46d18e6d55fc8dd06cd4f261f88c52a763573d14c39b446

Download Submit
memory/1616-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1616-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1616-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1616-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1616-13-0x0000000001E30000-0x0000000001E3E000-memory.dmp

Filesize
56KB

Download
memory/1616-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2672-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2672-19-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2672-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2672-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download