f7b62d160827281ac84f5e5c75ec377a352d48a7bbd9ca9c4bd44e8595c3b22f

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 03:38

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General

Target

2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_cryptolocker.exe
Size

41KB
MD5

cdfcf68d64c019709076d0e9ccda99c8
SHA1

26303e66e88130a9e5cc231488cfd25df6cbef38
SHA256

f7b62d160827281ac84f5e5c75ec377a352d48a7bbd9ca9c4bd44e8595c3b22f
SHA512

cec20524ff1f19f2c43d23ea7db84a9fbe17f021d370fbbe18230c4ab182a545977d353f78a08448e911fde4ae1514be40902ba5eabd155077b697bf2eebaf7f
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqJzRv:bxNrC7kYo1Fxf3s05rwxbFS9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001332e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3016	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_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 2184 wrote to memory of 3016	2184	2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_cryptolocker.exe	28
PID 2184 wrote to memory of 3016	2184	2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_cryptolocker.exe	28
PID 2184 wrote to memory of 3016	2184	2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_cryptolocker.exe	28
PID 2184 wrote to memory of 3016	2184	2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_cdfcf68d64c019709076d0e9ccda99c8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:3016

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
41KB

MD5
97f0e7ab4041621ae38c2eabf5551223

SHA1
976fa1ce8099fc51d76e3bb6e70aefa9778b18c4

SHA256
ca62420a41db1edbd19ac9de1b85ab086d14556013f099c9e338e8db2478734e

SHA512
af7f346ce238256d81e5ae9267a57ba23a19f7177655b48db9c54d199f356ff47c59b0654a8ae03a8a7369c96b9ac376543d49f7335f7adef602ee06298f6a74

Download Submit
memory/2184-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2184-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3016-15-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/3016-22-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download