3777d7664002544554ca9d5c6d4400db06d34c58376e195428d156e4f845971a

Analysis

max time kernel
134s
max time network
145s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
04-08-2023 16:49

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General

Target

60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe
Size

67KB
MD5

60e12ac4c178278ab1aa74b506f62474
SHA1

10d994158cfddd3551498438625bb1292a65dc91
SHA256

3777d7664002544554ca9d5c6d4400db06d34c58376e195428d156e4f845971a
SHA512

48f9864737b7a808a246341c7c3c32b2ad4dd35c0dd4b97f2a747ad54adcbda34b9b34fb864a86bca33a8932287201bfab8ee11bf7739fbf37b6fd70842592f2
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYfKhBUzT:1nK6a+qdOOtEvwDpjm

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2800	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2236-54-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2236-68-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x00080000000120e6-69.dat	upx
behavioral1/memory/2800-70-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x00080000000120e6-65.dat	upx
behavioral1/files/0x00080000000120e6-79.dat	upx
behavioral1/memory/2800-80-0x0000000000500000-0x000000000050F311-memory.dmp	upx

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 2236 wrote to memory of 2800	2236	60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe	28
PID 2236 wrote to memory of 2800	2236	60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe	28
PID 2236 wrote to memory of 2800	2236	60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe	28
PID 2236 wrote to memory of 2800	2236	60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\60e12ac4c178278ab1aa74b506f62474_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2800

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\asih.exe

Filesize
67KB

MD5
643d9dc6e515ab538ad8d34988b655d7

SHA1
62eec4228703f1de617ca1dc3c469c8fea892881

SHA256
959234f2ffe08caa0a71a7937a77835c5892d2613bb24e77970943c5a0e5998a

SHA512
722e1279f2da377c2c113a4fff40d1e4bd8dc16aafadce916239df7b63ebc34e7eb861992092498578c8fdbeb2757667dcac54dc5fc97b90d045893bb5d1c796

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

Filesize
67KB

MD5
643d9dc6e515ab538ad8d34988b655d7

SHA1
62eec4228703f1de617ca1dc3c469c8fea892881

SHA256
959234f2ffe08caa0a71a7937a77835c5892d2613bb24e77970943c5a0e5998a

SHA512
722e1279f2da377c2c113a4fff40d1e4bd8dc16aafadce916239df7b63ebc34e7eb861992092498578c8fdbeb2757667dcac54dc5fc97b90d045893bb5d1c796

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

Filesize
67KB

MD5
643d9dc6e515ab538ad8d34988b655d7

SHA1
62eec4228703f1de617ca1dc3c469c8fea892881

SHA256
959234f2ffe08caa0a71a7937a77835c5892d2613bb24e77970943c5a0e5998a

SHA512
722e1279f2da377c2c113a4fff40d1e4bd8dc16aafadce916239df7b63ebc34e7eb861992092498578c8fdbeb2757667dcac54dc5fc97b90d045893bb5d1c796

Download Submit
memory/2236-54-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2236-55-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2236-57-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2236-56-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2236-68-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2800-70-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2800-72-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2800-73-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2800-80-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download