4bd8df6b06556459f77f5091bbe362e9108640376b305b071cc3e5420c103ef1

Analysis

max time kernel
143s
max time network
152s
platform
windows7_x64
resource
win7-20230824-en
resource tags

arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
submitted
26-08-2023 13:01

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General

Target

a05f034f2e9d9f64645b91c10485036f_cryptolocker_JC.exe
Size

76KB
MD5

a05f034f2e9d9f64645b91c10485036f
SHA1

dd72f92a602e2de04a2b5da15a1d12f0e5d648f7
SHA256

4bd8df6b06556459f77f5091bbe362e9108640376b305b071cc3e5420c103ef1
SHA512

c616abfd0bf20697a5bc1b29145f5aba9e3d55d80e164fe120e25113b9fe72139f3c3ae4cba8d7fac56ec6d55e1bdb6cf27b6b5b2993b9248de21bbb58a2721f
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMn:TCjsIOtEvwDpj5HE/OUHnSMZ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1436	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
844	a05f034f2e9d9f64645b91c10485036f_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 WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1436	844	a05f034f2e9d9f64645b91c10485036f_cryptolocker_JC.exe	28
PID 844 wrote to memory of 1436	844	a05f034f2e9d9f64645b91c10485036f_cryptolocker_JC.exe	28
PID 844 wrote to memory of 1436	844	a05f034f2e9d9f64645b91c10485036f_cryptolocker_JC.exe	28
PID 844 wrote to memory of 1436	844	a05f034f2e9d9f64645b91c10485036f_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\a05f034f2e9d9f64645b91c10485036f_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a05f034f2e9d9f64645b91c10485036f_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1436

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\misid.exe

Filesize
76KB

MD5
5c8b241ee92fa8f804b5681bd98661db

SHA1
f5f3aa81ce0888355e2bd7e91b65ea13207f0ed9

SHA256
f7f3376a180e40cca95e695eaef2d8558cbf6eaaf20d435184e3bcd41df6db76

SHA512
4dda4d107190de22a47faa8e1b89e280f1a0cd8edba5623a04c815a06bda33cf0c328bdba1597ea6fb2afdb40a0a3cb9de48d69bf69b8ed319949140ddd79ef0

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

Filesize
76KB

MD5
5c8b241ee92fa8f804b5681bd98661db

SHA1
f5f3aa81ce0888355e2bd7e91b65ea13207f0ed9

SHA256
f7f3376a180e40cca95e695eaef2d8558cbf6eaaf20d435184e3bcd41df6db76

SHA512
4dda4d107190de22a47faa8e1b89e280f1a0cd8edba5623a04c815a06bda33cf0c328bdba1597ea6fb2afdb40a0a3cb9de48d69bf69b8ed319949140ddd79ef0

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

Filesize
76KB

MD5
5c8b241ee92fa8f804b5681bd98661db

SHA1
f5f3aa81ce0888355e2bd7e91b65ea13207f0ed9

SHA256
f7f3376a180e40cca95e695eaef2d8558cbf6eaaf20d435184e3bcd41df6db76

SHA512
4dda4d107190de22a47faa8e1b89e280f1a0cd8edba5623a04c815a06bda33cf0c328bdba1597ea6fb2afdb40a0a3cb9de48d69bf69b8ed319949140ddd79ef0

Download Submit
memory/844-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/844-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/844-3-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/844-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/844-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/844-14-0x0000000002800000-0x000000000280E000-memory.dmp

Filesize
56KB

Download
memory/844-26-0x0000000002800000-0x000000000280E000-memory.dmp

Filesize
56KB

Download
memory/1436-18-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1436-19-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1436-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download