e24e890a71aee5b130caa3e6846c9db31915b1103ed667ff2aa668fc4455d2a9

Analysis

max time kernel
139s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 01:15

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General

Target

2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_cryptolocker.exe
Size

37KB
MD5

b4e360ed8555abfd4690ba228f75f1e8
SHA1

e205b1b0aa879d119298e5509e7a5ab362cc4913
SHA256

e24e890a71aee5b130caa3e6846c9db31915b1103ed667ff2aa668fc4455d2a9
SHA512

2c6329f29e7e9840b1fe45ee4cd9cc23c6122ccaaf89fcad081f81ea556d64ca4df33e28f82212d81b3658d2222d62435b2bf03ce4f9d933ff2b3e6ce6135c07
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3Q:bxNrC7kYo1Fxf3s06gC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2336	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
108	2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_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 108 wrote to memory of 2336	108	2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_cryptolocker.exe	28
PID 108 wrote to memory of 2336	108	2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_cryptolocker.exe	28
PID 108 wrote to memory of 2336	108	2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_cryptolocker.exe	28
PID 108 wrote to memory of 2336	108	2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_b4e360ed8555abfd4690ba228f75f1e8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:108
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2336

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\pissa.exe

Filesize
38KB

MD5
2b400b6e5e479e8ad77e1d3d7467971c

SHA1
d0844e2793c6fdfe739b9e15ffbba29e36c29507

SHA256
ef2e2abfaac7fdd42f6911dcb9b7082413496d6c17a75f0fc51b07b923979b38

SHA512
895b3d777fd6850f1ef17f1dff0cec487185395dae079bdc1f72eae570ccdd44b57ec3e82776ac5b8d3c9f01e1ec25d9c04a1299f0088c42386d7ef33e2f92f7

Download Submit
memory/108-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/108-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/108-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2336-15-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/2336-22-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download