f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53

Analysis

max time kernel
167s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 23:19

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General

Target

f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe
Size

500KB
MD5

7d580a49902021a1ad4757d7ed743dcf
SHA1

00a98644caa9452d8825736401929f4cebbf5395
SHA256

f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53
SHA512

d4228e8da925a7f64ad174b5ca120178e0a02d34288917c8453d2e24310f8de097312a03890f2d2920a89885bdb34dcb9db73d8f6fa02915566ce15f19824ed4
SSDEEP

12288:3aOfzjmhLJfXvYNSK1W1Io18dcFUWVPc29+Bu:3aOfzj21vYzW1Io1ptn+Bu

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe

Executes dropped EXE 1 IoCs

pid	Process
2532	s663.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s663.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s663.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s663.exe
File created	C:\Windows\assembly\Desktop.ini	s663.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s663.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1132	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe
1132	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe
2532	s663.exe
2532	s663.exe
2532	s663.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	s663.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2532	s663.exe
2532	s663.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 2532	1132	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe	80
PID 1132 wrote to memory of 2532	1132	f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe	80

C:\Users\Admin\AppData\Local\Temp\f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe
"C:\Users\Admin\AppData\Local\Temp\f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Users\Admin\AppData\Local\Temp\n663\s663.exe
  "C:\Users\Admin\AppData\Local\Temp\n663\s663.exe" 10fc4e7795bf56032f5b14cc2bUFiOuiAVecU9NAQlDXg3lLtTEw9LlcwwiKV2B/3NNHtwvvbgcdSZto5GRjp/PXQo85abPpymbUtMBAyOiRZYPibGF24++y3W0t/NsGpFvZgO6E9SOQSFoEFoXAvBNFaqftwUgbpR20fVAXdhpQUYVR /v "C:\Users\Admin\AppData\Local\Temp\f1967e35f745ab9176c9e450870ee13a3a37250bfb06d6f5176f6e0742bf2f53.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\n663\s663.exe

Filesize
225KB

MD5
8d8e499f7e6eca2e0db8cd8e53092393

SHA1
bf92dd793d041dfdfc2bd4f2b6607444b10c4e76

SHA256
ccea408e4f4274927ec734e4b882b00b6073d9d722cc4ddccab8dab38b4c7cfd

SHA512
5dd6dea473ea07e8106c4528d1e6769e5819627e18ab3b40ae5553fad1f5d98f61385b76cdd8c8474b12df6c5a6a4233e11d5ff3fe6a04ca8134197dc659964f

Download Submit
C:\Users\Admin\AppData\Local\Temp\n663\s663.exe

Filesize
225KB

MD5
8d8e499f7e6eca2e0db8cd8e53092393

SHA1
bf92dd793d041dfdfc2bd4f2b6607444b10c4e76

SHA256
ccea408e4f4274927ec734e4b882b00b6073d9d722cc4ddccab8dab38b4c7cfd

SHA512
5dd6dea473ea07e8106c4528d1e6769e5819627e18ab3b40ae5553fad1f5d98f61385b76cdd8c8474b12df6c5a6a4233e11d5ff3fe6a04ca8134197dc659964f

Download Submit
memory/2532-135-0x00007FFE1AD90000-0x00007FFE1B7C6000-memory.dmp

Filesize
10.2MB

Download
memory/2532-136-0x00000000010AA000-0x00000000010AF000-memory.dmp

Filesize
20KB

Download
memory/2532-137-0x00000000010AA000-0x00000000010AF000-memory.dmp

Filesize
20KB

Download
memory/2532-138-0x00000000010AA000-0x00000000010AF000-memory.dmp

Filesize
20KB

Download