ad34fa6322171618f3d373b95580412bb9b3635844bf5299ddab7157a88f7fb6

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/10/2024, 03:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe
Size

82KB
MD5

d1be83972a93c64aca04ffd5f9831706
SHA1

2958c0e8cb947ae9fc4de7c2a782e93028348611
SHA256

ad34fa6322171618f3d373b95580412bb9b3635844bf5299ddab7157a88f7fb6
SHA512

830bfe975f1030ccb1e8b48b373fd4e5044e7a890c6a8a892af22c9545fc5dd1f97811f65c75c9eafe030af3c5c9d640ad423eb9d42918336fde49bc6c890db7
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp:zCsanOtEvwDpjt

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2844	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1548	2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1548-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000c000000012268-11.dat	upx
behavioral1/memory/1548-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2844-24-0x0000000000500000-0x0000000000510000-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	2024-10-15_d1be83972a93c64aca04ffd5f9831706_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 1548 wrote to memory of 2844	1548	2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe	28
PID 1548 wrote to memory of 2844	1548	2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe	28
PID 1548 wrote to memory of 2844	1548	2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe	28
PID 1548 wrote to memory of 2844	1548	2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_d1be83972a93c64aca04ffd5f9831706_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- 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:2844

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
82KB

MD5
ad4a4e6f65e8d2bc412eb6e02b63135d

SHA1
f35f417db85c89d01483dd8cbeb36ec82d10f360

SHA256
c661c6cd498526d0cecc03a7937f93e4aac7336b58efeca8cc384a90c2041858

SHA512
99d417f79589eadac03eeda3817af4def4197416180cf4803b09bcb7a9caef7f2b4d71027ebed8be92db4a49d1b42c1af8b81c91e23f510fd23d15c6601a13bc

Download Submit
memory/1548-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1548-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1548-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/1548-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1548-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2844-17-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/2844-24-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download