dde4c6dbe00dd8e8b6bb0542f8eb4969823d37bfaa4f3dc927c203e40235a9c3

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2023 15:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

67b2b97399c2c104ef3cde9548e8e87a_cryptolocker_JC.exe
Size

108KB
MD5

67b2b97399c2c104ef3cde9548e8e87a
SHA1

c87c687d21621192a29f2f995fc0b706d22b53c6
SHA256

dde4c6dbe00dd8e8b6bb0542f8eb4969823d37bfaa4f3dc927c203e40235a9c3
SHA512

e768c8ee5f68d6a07a11624c502b0ffe0c46310f36c780f171050c2f57b55815e80da1bc816aa2d28f76a23bc534bf063cd24d2a0ef54f36f30d978921891774
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNgp3r:T6a+rdOOtEvwDpjLzK

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2468	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4372-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000d00000002320f-146.dat	upx
behavioral2/files/0x000d00000002320f-148.dat	upx
behavioral2/files/0x000d00000002320f-149.dat	upx
behavioral2/memory/4372-150-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/2468-159-0x0000000000500000-0x0000000000510000-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 4372 wrote to memory of 2468	4372	67b2b97399c2c104ef3cde9548e8e87a_cryptolocker_JC.exe	81
PID 4372 wrote to memory of 2468	4372	67b2b97399c2c104ef3cde9548e8e87a_cryptolocker_JC.exe	81
PID 4372 wrote to memory of 2468	4372	67b2b97399c2c104ef3cde9548e8e87a_cryptolocker_JC.exe	81

C:\Users\Admin\AppData\Local\Temp\67b2b97399c2c104ef3cde9548e8e87a_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\67b2b97399c2c104ef3cde9548e8e87a_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2468

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
108KB

MD5
03c6fe668d1e74afcfcdce9e90079168

SHA1
2c35fbea8ca2523d1f011e6f99b7f61e5101c925

SHA256
cf273f8e3a104ba908057225fd5c2a62b3d1c88bd7f4007235ef6eb5ef8d0c47

SHA512
a1cc7db2defddf9ea0d0da2ef705d0174789135f4356a5780fa2b92440dca2a03f078ebd6b478d98a9744ec72cce3482faf42f8d6f0979f485f5acce8057a924

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

Filesize
108KB

MD5
03c6fe668d1e74afcfcdce9e90079168

SHA1
2c35fbea8ca2523d1f011e6f99b7f61e5101c925

SHA256
cf273f8e3a104ba908057225fd5c2a62b3d1c88bd7f4007235ef6eb5ef8d0c47

SHA512
a1cc7db2defddf9ea0d0da2ef705d0174789135f4356a5780fa2b92440dca2a03f078ebd6b478d98a9744ec72cce3482faf42f8d6f0979f485f5acce8057a924

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

Filesize
108KB

MD5
03c6fe668d1e74afcfcdce9e90079168

SHA1
2c35fbea8ca2523d1f011e6f99b7f61e5101c925

SHA256
cf273f8e3a104ba908057225fd5c2a62b3d1c88bd7f4007235ef6eb5ef8d0c47

SHA512
a1cc7db2defddf9ea0d0da2ef705d0174789135f4356a5780fa2b92440dca2a03f078ebd6b478d98a9744ec72cce3482faf42f8d6f0979f485f5acce8057a924

Download Submit
memory/2468-152-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2468-153-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2468-159-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4372-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4372-134-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/4372-135-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/4372-136-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4372-150-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download