cbd7f6295daf3341817303ed7976c45f04fb5fa14043b9d489a6c19d71c93ce0

Analysis

max time kernel
151s
max time network
155s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
23/09/2023, 10:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe
Size

59KB
MD5

1ff59ec3a101a5a0b23f989d887573dc
SHA1

26b077e5b63e6d6ad45189918ec56013422bfff8
SHA256

cbd7f6295daf3341817303ed7976c45f04fb5fa14043b9d489a6c19d71c93ce0
SHA512

d3962bbae00807301ecdb996dc8ba3b9805148c599671814f4b9215f6970abd06fe915355f25fa7335791060f927078a4c341d02802589a3b139c62ce5b187a7
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293w:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7e

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2452	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.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
2128	2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe
2452	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2452	2128	2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe	28
PID 2128 wrote to memory of 2452	2128	2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe	28
PID 2128 wrote to memory of 2452	2128	2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe	28
PID 2128 wrote to memory of 2452	2128	2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_1ff59ec3a101a5a0b23f989d887573dc_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2452

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

Loading Replay Monitor...

Downloads

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

Filesize
60KB

MD5
c014a87bca544a7b18e49271c4fe547c

SHA1
41f878fa3ef7fc855b2afb359684d61b2fbb7018

SHA256
e44df987a2cf72a73631dc04590612f520221c6264f5c131444dedc1b1b142d5

SHA512
63993954bb56a383253a089f6caeb8a6a087850790fbce99bb1c2d46045ed4b3f0c540f62b82c76631155eed5b89d617adedf7da2c20e69ecca63199b61a7919

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

Filesize
60KB

MD5
c014a87bca544a7b18e49271c4fe547c

SHA1
41f878fa3ef7fc855b2afb359684d61b2fbb7018

SHA256
e44df987a2cf72a73631dc04590612f520221c6264f5c131444dedc1b1b142d5

SHA512
63993954bb56a383253a089f6caeb8a6a087850790fbce99bb1c2d46045ed4b3f0c540f62b82c76631155eed5b89d617adedf7da2c20e69ecca63199b61a7919

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

Filesize
60KB

MD5
c014a87bca544a7b18e49271c4fe547c

SHA1
41f878fa3ef7fc855b2afb359684d61b2fbb7018

SHA256
e44df987a2cf72a73631dc04590612f520221c6264f5c131444dedc1b1b142d5

SHA512
63993954bb56a383253a089f6caeb8a6a087850790fbce99bb1c2d46045ed4b3f0c540f62b82c76631155eed5b89d617adedf7da2c20e69ecca63199b61a7919

Download Submit
memory/2128-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2128-2-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download