4c60e8c83960de93affb22ee3122487b384c1c30b37b315224f8f970ff235635

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 14:14

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General

Target

2024-02-21_e82ce59228350270b4701ef39d8a96ad_cryptolocker.exe
Size

38KB
MD5

e82ce59228350270b4701ef39d8a96ad
SHA1

b85f77a26b3309e20413b8bce8f67ba36166a288
SHA256

4c60e8c83960de93affb22ee3122487b384c1c30b37b315224f8f970ff235635
SHA512

998e5b4836f7512ebe45784ecc50aa1d5bfaaba0f0fcb7028825dc0d9d666ae245ad5a50b2e0a738285189c3c307cd7c6cc105bb4f3c0424125465e9b9e5716a
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLen7n+j:ZzFbxmLPWQMOtEvwDpjLeU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2808	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2132	2024-02-21_e82ce59228350270b4701ef39d8a96ad_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 2132 wrote to memory of 2808	2132	2024-02-21_e82ce59228350270b4701ef39d8a96ad_cryptolocker.exe	28
PID 2132 wrote to memory of 2808	2132	2024-02-21_e82ce59228350270b4701ef39d8a96ad_cryptolocker.exe	28
PID 2132 wrote to memory of 2808	2132	2024-02-21_e82ce59228350270b4701ef39d8a96ad_cryptolocker.exe	28
PID 2132 wrote to memory of 2808	2132	2024-02-21_e82ce59228350270b4701ef39d8a96ad_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_e82ce59228350270b4701ef39d8a96ad_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_e82ce59228350270b4701ef39d8a96ad_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2808

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
38KB

MD5
d4d81c97f04d2e4c08bcc80ebf272358

SHA1
895cf08ca45977ea167f5d4491e2d399f16fad20

SHA256
6b8fa17acacee2564014387c644a966175dfb1ae39f1408d90fadcc6e00282a2

SHA512
96232758855f89773f55f7381228ae672a5b869d6357ab7fff9f6d21e835404da9f95be7d6da939c6dea9e1116702432e86cdc7e2c620687a91f0e70529609a2

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

Filesize
24KB

Download
memory/2132-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2132-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2808-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2808-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download