e8098744e21ab790a95b5052e22a548aaf350a09a4112554db50d0a729d25993

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 23:01

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General

Target

2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_cryptolocker.exe
Size

35KB
MD5

8833c539e667a6f7f28b8d5e85447a7b
SHA1

782a786950e9409e3e080444e045c479a7aea505
SHA256

e8098744e21ab790a95b5052e22a548aaf350a09a4112554db50d0a729d25993
SHA512

81c90f8be560bfc49466d92009ff3c57293733fb8e6ffe9e674c1d53127eb9a58658b6c7f661d3e40b51ae46ed2f0e71497156d6c92c75c482925fd2deb64d57
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3o:bxNrC7kYo1Fxf3s06ga

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012232-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2424	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_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 2520 wrote to memory of 2424	2520	2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_cryptolocker.exe	28
PID 2520 wrote to memory of 2424	2520	2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_cryptolocker.exe	28
PID 2520 wrote to memory of 2424	2520	2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_cryptolocker.exe	28
PID 2520 wrote to memory of 2424	2520	2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_8833c539e667a6f7f28b8d5e85447a7b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2424

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
35KB

MD5
dc95c67833a9620a7538dfec1780ee2d

SHA1
9a4d27ef91e08ddb4d322c53b7f68b0fdd4fad71

SHA256
b6cd5f188ce44b21509193b195c0ba503b2d47f9c7a14da0ace31cbe999cc9e9

SHA512
257ce2d0d1ec82329d4962395fd9405de637f9e503745a7cdc734d1eb4b9c291700f3972fd2db86bdad35c5b94e9720131c5815852c2d9a5bf38a6acbf8b6e5c

Download Submit
memory/2424-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2424-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2520-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2520-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2520-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download