988ac4995b5b205a837b2ec720d12e1a2929f1dbbc9a4405bfaa0dc54c0834a7

Analysis

max time kernel
114s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 07:38

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General

Target

2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe
Size

72KB
MD5

98e34dd90537a87a81aa265ddc358411
SHA1

71c19664942e6a945830bbf206bf4962367b9336
SHA256

988ac4995b5b205a837b2ec720d12e1a2929f1dbbc9a4405bfaa0dc54c0834a7
SHA512

7f7df04d62ebaa17bd548bf359bffa550a3b0b46645b2cc359f884f7285ad2789f178433d2747656673c3ee076d93eb710efac093ab167722489b0d7f72137fc
SSDEEP

1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9h:C4Q2c94OtEvwDpj4H8zg

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2768 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe

pid process

2844 2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe

pid	process
2768	misid.exe

pid	process
2844	2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2844-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\misid.exe	upx
behavioral1/memory/2768-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2844-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2768-27-0x0000000000500000-0x0000000000510000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exemisid.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe

description	pid	process	target process
PID 2844 wrote to memory of 2768	2844	2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe	misid.exe
PID 2844 wrote to memory of 2768	2844	2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe	misid.exe
PID 2844 wrote to memory of 2768	2844	2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe	misid.exe
PID 2844 wrote to memory of 2768	2844	2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_98e34dd90537a87a81aa265ddc358411_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
72KB

MD5
1d89ea37bd71c35f750caf5626f72ac4

SHA1
62ea8b5a85b1aaa577b427cf39011a4dc18ab028

SHA256
a04c4ef962365d0d66952d831b0099fe13369010fcc5ef6216f52127bffa5eb4

SHA512
83edaa450981239634229a36e7effe2743f877f1c4085754bb055e38d57941ca942251164adbb266b64bb46d22277d1f2149bf4483f20b8545d532c740eae836

Download Submit
memory/2768-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2768-19-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2768-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2768-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2844-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2844-9-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2844-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2844-1-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2844-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download