7a116d72e74bbde4801ef840acd0c0ce02e0e08d8010cb189b24518b6df2c2c2

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
03/08/2023, 15:30

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General

Target

49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe
Size

97KB
MD5

49bcb0b66f700cad28bcc7a1c9ad6df9
SHA1

10c191f385d97b6a19894302bb83c998a35c20db
SHA256

7a116d72e74bbde4801ef840acd0c0ce02e0e08d8010cb189b24518b6df2c2c2
SHA512

cba19d8e6e54da51bfcbc7716b605d58555ff04d7796bc9468295ed240f91e2c950c4606fb77e384b343d156f23e897c69445d9c5ceaeaa95426756d0b7a5aee
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJjMcd:AnBdOOtEvwDpj6zU

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2308	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2216	49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2216-54-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012029-65.dat	upx
behavioral1/memory/2216-69-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012029-70.dat	upx
behavioral1/files/0x0008000000012029-79.dat	upx
behavioral1/memory/2308-80-0x0000000000500000-0x000000000050F000-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 2216 wrote to memory of 2308	2216	49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe	28
PID 2216 wrote to memory of 2308	2216	49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe	28
PID 2216 wrote to memory of 2308	2216	49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe	28
PID 2216 wrote to memory of 2308	2216	49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2308

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
98KB

MD5
fe060b329f83e705ef5db303d7d911a9

SHA1
a40c2c2d19fe94f6ab516fea5b12a543e4338389

SHA256
ea596aef02f58f0b5f6881ffc99e0d0baa84e4f1748581303357d80ced3da504

SHA512
04639d36cc79c98de0bfb906f37b05401217b9741ea07d1e24be8160b2add5551df6334816373d95ae133b9fd04762519af010c24c557029a17341aaebf50bca

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

Filesize
98KB

MD5
fe060b329f83e705ef5db303d7d911a9

SHA1
a40c2c2d19fe94f6ab516fea5b12a543e4338389

SHA256
ea596aef02f58f0b5f6881ffc99e0d0baa84e4f1748581303357d80ced3da504

SHA512
04639d36cc79c98de0bfb906f37b05401217b9741ea07d1e24be8160b2add5551df6334816373d95ae133b9fd04762519af010c24c557029a17341aaebf50bca

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

Filesize
98KB

MD5
fe060b329f83e705ef5db303d7d911a9

SHA1
a40c2c2d19fe94f6ab516fea5b12a543e4338389

SHA256
ea596aef02f58f0b5f6881ffc99e0d0baa84e4f1748581303357d80ced3da504

SHA512
04639d36cc79c98de0bfb906f37b05401217b9741ea07d1e24be8160b2add5551df6334816373d95ae133b9fd04762519af010c24c557029a17341aaebf50bca

Download Submit
memory/2216-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2216-56-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2216-55-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2216-58-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2216-67-0x00000000024C0000-0x00000000024CF000-memory.dmp

Filesize
60KB

Download
memory/2216-69-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2308-73-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2308-72-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2308-80-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download