9d7a0670164d9499a38ab85d505d04958bb046d85f367f02dc0402639faac743

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 20:28

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General

Target

2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe
Size

84KB
MD5

390d53925e1b5a7d326067ed78cf7e6a
SHA1

483e116d9fc5adfa6b4a4f5858ee2ff16f55f791
SHA256

9d7a0670164d9499a38ab85d505d04958bb046d85f367f02dc0402639faac743
SHA512

9bef7372b4a76318809b2c3d9c43e38db99ebedddf427d965d4293fbb12883378b096e8e0cd3f39df94c63b8a155305bc7bea871a74e620b7fcb87c366683863
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMf:zCsanOtEvwDpjJ

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2456	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2452	2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2452-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000c0000000122e4-11.dat	upx
behavioral1/memory/2452-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2456-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2456-26-0x0000000000500000-0x0000000000510000-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	2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_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 2452 wrote to memory of 2456	2452	2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe	31
PID 2452 wrote to memory of 2456	2452	2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe	31
PID 2452 wrote to memory of 2456	2452	2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe	31
PID 2452 wrote to memory of 2456	2452	2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- 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:2456

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

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Downloads

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

Filesize
84KB

MD5
30cb60624790d622c8c7395de09e1386

SHA1
287b7b84a1f46e8ffba050ad6a33dcf0179fd6ea

SHA256
5f3bc58cb984d1bee9b45dfa789e15389083f10da468657e3b1fc2c6ea7b8d5f

SHA512
3cd8b19a7010e63e36415d3dc2ff7fec2030bb19ef01d76e053113e15022e3537c1c90ff3ff8a56abb5cba4b6a3255f81dd127d79ec7d6516cd56bd9da74a3c8

Download Submit
memory/2452-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2452-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2452-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2452-9-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2452-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2456-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2456-25-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2456-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download