3e74988f2a3e0bb23a9c0ff23c30f0644251ad4115b1655b1a73cf72ae945965

Analysis

max time kernel
148s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-04-2024 15:45

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General

Target

2024-04-25_111d1643020b4710f5215325c864bf72_cryptolocker.exe
Size

40KB
MD5

111d1643020b4710f5215325c864bf72
SHA1

1556842b50e7b3bb96c4464644da9242660caa69
SHA256

3e74988f2a3e0bb23a9c0ff23c30f0644251ad4115b1655b1a73cf72ae945965
SHA512

561d71548c74326a9b0b6bb057602fe74920ac4a63dfc06ab4fcf982d1756af07a16741799a81839710eab943abc42ba847bf36ddbf60da8493f5a6c264d827d
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQLJJzMn:ZzFbxmLPWQMOtEvwDpjLeU3Yn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224c-14.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2768	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2224	2024-04-25_111d1643020b4710f5215325c864bf72_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 2224 wrote to memory of 2768	2224	2024-04-25_111d1643020b4710f5215325c864bf72_cryptolocker.exe	28
PID 2224 wrote to memory of 2768	2224	2024-04-25_111d1643020b4710f5215325c864bf72_cryptolocker.exe	28
PID 2224 wrote to memory of 2768	2224	2024-04-25_111d1643020b4710f5215325c864bf72_cryptolocker.exe	28
PID 2224 wrote to memory of 2768	2224	2024-04-25_111d1643020b4710f5215325c864bf72_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-25_111d1643020b4710f5215325c864bf72_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_111d1643020b4710f5215325c864bf72_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2768

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
41KB

MD5
839d848b81f91b92416210cb5c59791b

SHA1
4c7fd79c1209f3f1f16cf36490114fdc6f307b93

SHA256
afaf2bbe4495c63dc107355c735c5e7e55fbd60d39b8c8319eec5d6610d178c2

SHA512
5a7b89d6192d5988fb1c56ffcca809ee61ecfb9ac2a590c36306b1bf184f815684cfda3f671dd3ab072f750228d574119a2c057fca25ded45fe9a52d607a2420

Download Submit
memory/2224-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2224-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2224-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2224-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2768-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2768-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download