592daaed672bca5da6ba3db43af99eb37b6a83a4bea5f2cd6037eb2abab3abcc

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2023, 15:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2c10438ebdb6e8923d01feb9d6e48579_cryptolocker_JC.exe
Size

117KB
MD5

2c10438ebdb6e8923d01feb9d6e48579
SHA1

5c1e99080c8b28f61fd6cabe33ef135804e0a3f5
SHA256

592daaed672bca5da6ba3db43af99eb37b6a83a4bea5f2cd6037eb2abab3abcc
SHA512

2d849e974329f2f22b1737b258b2f892532467816f7c060ccb537dba993edd5fdb54e63052ff03799c3a7b5fad0be2e637e17c941365f2c84f89e921072848a9
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1B:AnBdOOtEvwDpj6zq

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1324	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4984-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4984-143-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x000a000000022f8b-148.dat	upx
behavioral2/files/0x000a000000022f8b-150.dat	upx
behavioral2/files/0x000a000000022f8b-151.dat	upx
behavioral2/memory/1324-162-0x0000000000500000-0x000000000050F000-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 3 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 1324	4984	2c10438ebdb6e8923d01feb9d6e48579_cryptolocker_JC.exe	86
PID 4984 wrote to memory of 1324	4984	2c10438ebdb6e8923d01feb9d6e48579_cryptolocker_JC.exe	86
PID 4984 wrote to memory of 1324	4984	2c10438ebdb6e8923d01feb9d6e48579_cryptolocker_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\2c10438ebdb6e8923d01feb9d6e48579_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2c10438ebdb6e8923d01feb9d6e48579_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1324

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\asih.exe

Filesize
117KB

MD5
6531b5c9f7c64c2c4cceaa78ed4d87a7

SHA1
69550e17fd235fdb0a093126a3a683b552feb57b

SHA256
33e3afae0f14da64142d73312daa7457246fe8d72eeb8065839cee17588781aa

SHA512
0dcc7ba22984fc7097912b2a68bfa6e20c7624385eeb539cff8a006a6c489a5274785840203a8e180e1f5a97f894425712d92606f68a870d1509cc0036a6a1b2

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

Filesize
117KB

MD5
6531b5c9f7c64c2c4cceaa78ed4d87a7

SHA1
69550e17fd235fdb0a093126a3a683b552feb57b

SHA256
33e3afae0f14da64142d73312daa7457246fe8d72eeb8065839cee17588781aa

SHA512
0dcc7ba22984fc7097912b2a68bfa6e20c7624385eeb539cff8a006a6c489a5274785840203a8e180e1f5a97f894425712d92606f68a870d1509cc0036a6a1b2

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

Filesize
117KB

MD5
6531b5c9f7c64c2c4cceaa78ed4d87a7

SHA1
69550e17fd235fdb0a093126a3a683b552feb57b

SHA256
33e3afae0f14da64142d73312daa7457246fe8d72eeb8065839cee17588781aa

SHA512
0dcc7ba22984fc7097912b2a68bfa6e20c7624385eeb539cff8a006a6c489a5274785840203a8e180e1f5a97f894425712d92606f68a870d1509cc0036a6a1b2

Download Submit
memory/1324-153-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1324-156-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1324-162-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4984-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4984-134-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/4984-135-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/4984-136-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4984-143-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4984-154-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download