fcb04fe08614a1ec65f4b3331f19237daeacd94883e8794576a6284943cf3130

Analysis

max time kernel
143s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 04:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe
Size

73KB
MD5

3142ea43df9001b23c6c0398117b701b
SHA1

fe2a9c39ff4f1bd9dc1f7ffe1039c9bfbac519d3
SHA256

fcb04fe08614a1ec65f4b3331f19237daeacd94883e8794576a6284943cf3130
SHA512

1d81003febdfb671b3752ff68d6a385ed660214cc7e8903ba22b5e9efc589c1a0e248b2abe6ac36e8d8a1739f8b4d20e3d53fc9b8a7b36475f2e20d5fe71dbdf
SSDEEP

1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9L3:C4Q2c94OtEvwDpj4H8zu

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2008	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012117-11.dat	upx
behavioral1/memory/2204-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2008-26-0x0000000000500000-0x0000000000510000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2008	2204	2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe	28
PID 2204 wrote to memory of 2008	2204	2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe	28
PID 2204 wrote to memory of 2008	2204	2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe	28
PID 2204 wrote to memory of 2008	2204	2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_3142ea43df9001b23c6c0398117b701b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- 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:2008

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

Loading Replay Monitor...

Downloads

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

Filesize
73KB

MD5
b67ea57df3705192dc36921e024a03c1

SHA1
e7e78311b7ee9531f6873ad8943eb1111166951b

SHA256
230a47322dfde1110763b623691f53195e0a19bfd8db361a415695517314dd53

SHA512
4ae247fcc4314e15c497829f300a3f2a9aa51821bfe6ebc26ad7d445cad9d89670fbe5186f6f06b03975c0f4819aeda93c13dd5959e85a935178311403c03c11

Download Submit
memory/2008-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2008-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2008-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2204-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2204-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2204-9-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2204-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download