8eaf4053cfc3932702a510c645d7be83a14228c731d9da9a23d77fd3fc5715f9

Analysis

max time kernel
0s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-01-2024 06:05

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General

Target

2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe
Size

43KB
MD5

b9ab2ffd5bae576fb74e709a8389645a
SHA1

4165cdae0f054cfa6ab819859718accbab36b0d4
SHA256

8eaf4053cfc3932702a510c645d7be83a14228c731d9da9a23d77fd3fc5715f9
SHA512

9a7492875f02511c819952e5562e88980c9bdf49d4600d98e814b459076f27232ffe1213367479e56bb180e2af14b0a4cae7ce771c4cc95a3ebd016023459286
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3Kx8:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xt

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2308	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
3064	2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3064	2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe
2308	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2308	3064	2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe	14
PID 3064 wrote to memory of 2308	3064	2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe	14
PID 3064 wrote to memory of 2308	3064	2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe	14
PID 3064 wrote to memory of 2308	3064	2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe	14

C:\Users\Admin\AppData\Local\Temp\hurok.exe
"C:\Users\Admin\AppData\Local\Temp\hurok.exe"
1⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2308

C:\Users\Admin\AppData\Local\Temp\2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-11_b9ab2ffd5bae576fb74e709a8389645a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3064

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\hurok.exe

Filesize
43KB

MD5
b5207466ca0062e71035794b3eed41b9

SHA1
863b89ac5b9417b5d94b7ac111357f769a20fd65

SHA256
a21c99588a829ff92341d696aa4cf07bb16312c4a92bf341d26861f22db271ac

SHA512
969ab49c035575c6aaa6cbcd2dc1cdeb95cfc684cf61bb05af52c7939221042275a89e31c1e7d7bfcaa9dcec236d8915813b69efcbb2fb50b435e77736eb9048

Download Submit
C:\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
36KB

MD5
3127e7d81cefd609ccc991aeeacef41e

SHA1
2cd014e45a71c96efd16fbfb2eabb3f04a9d374d

SHA256
b6e37b007462edf3eaf4f99fbdd49cc11f09e3a0f1f22fab61515bba80d9a3d9

SHA512
24293a92a7ccf0754245db9bb737f6e4dbc206b6c3b3a27e7089e0b5d1c17e4caf557d1d899be2d5b979fd6994e6fb43ee6a22c952c7e320e45a55759b86542d

Download Submit
memory/2308-17-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3064-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3064-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3064-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download