8b077e3fa4b4e018d4dbf05f8a8cf6a5b08a33cf0088544dcea73ee35c4fe666

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 13:36

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General

Target

2024-03-11_e572d36038ff8d49a48978522cb5582d_cryptolocker.exe
Size

40KB
MD5

e572d36038ff8d49a48978522cb5582d
SHA1

1c70a13dd2dce3e9627bd0149ec8713bb8f3d65e
SHA256

8b077e3fa4b4e018d4dbf05f8a8cf6a5b08a33cf0088544dcea73ee35c4fe666
SHA512

ac3d043c926b364793d85b78745d84b54eeb11df764dbeabba04345fad7d2e8afca1110f06a666f7fd7eb58d287ed4282e7e017d921e3f9c8459154c8e76ebda
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFo0:bxNrC7kYo1Fxf3s05rwxbFr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014b70-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2840	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	2024-03-11_e572d36038ff8d49a48978522cb5582d_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 2392 wrote to memory of 2840	2392	2024-03-11_e572d36038ff8d49a48978522cb5582d_cryptolocker.exe	28
PID 2392 wrote to memory of 2840	2392	2024-03-11_e572d36038ff8d49a48978522cb5582d_cryptolocker.exe	28
PID 2392 wrote to memory of 2840	2392	2024-03-11_e572d36038ff8d49a48978522cb5582d_cryptolocker.exe	28
PID 2392 wrote to memory of 2840	2392	2024-03-11_e572d36038ff8d49a48978522cb5582d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-11_e572d36038ff8d49a48978522cb5582d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_e572d36038ff8d49a48978522cb5582d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2840

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
40KB

MD5
ef8afe4067cbb652e047a1abed31c560

SHA1
08c9de9f6f14635859340a6987515e4def8eba28

SHA256
80637f77601f85ac22503aba60ce466fcc642373dc00ac358a9ab20718288831

SHA512
61fa3926490d519a7d73f40a915bd5436b1af14b1a2283a813040da6bec3a6078cac99321015b12e7e7a16c2a89e53f3a92ac0d695217315c896bf29ae3f3b4e

Download Submit
memory/2392-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2392-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2392-8-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2840-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2840-22-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download