8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff

Analysis

max time kernel
151s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28/11/2022, 07:32

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General

Target

8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe
Size

500KB
MD5

df95ece046df63fcfb0e407ddc120eb8
SHA1

cde967d061ec7611a9a7176111895fc808b89c5a
SHA256

8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff
SHA512

6d6fd59962b92b976e9c3159c2ca8753e7eb4756a5a2247625bb1f7b045f30b61f52a8cb8abb86e0ca4b60e5b62b15beac871e09393301958714ef70e049bd31
SSDEEP

12288:3aOfzjmhLJfXvYNSK1W1Io18dcFUWVPc29+BI:3aOfzj21vYzW1Io1ptn+BI

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__	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe

Executes dropped EXE 1 IoCs

pid	Process
4848	s1032.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	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s1032.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s1032.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s1032.exe
File created	C:\Windows\assembly\Desktop.ini	s1032.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s1032.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	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1096	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe
1096	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe
4848	s1032.exe
4848	s1032.exe
4848	s1032.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4848	s1032.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4848	s1032.exe
4848	s1032.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 4848	1096	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe	83
PID 1096 wrote to memory of 4848	1096	8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe	83

C:\Users\Admin\AppData\Local\Temp\8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.exe
"C:\Users\Admin\AppData\Local\Temp\8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.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:1096
- C:\Users\Admin\AppData\Local\Temp\n1032\s1032.exe
  "C:\Users\Admin\AppData\Local\Temp\n1032\s1032.exe" ca3d7668e5e3ddf97e0db3a1bbzoPE/eoyB6LLS8MkIf+FfjglejTHnt5MR6kXzmDuzGYrgparYWfHgB1royxA63lfhcDuP2u70wd/mFSW1dPO6J8YebgE4Pbd54vGuitorhHmoJYVvdaPHn/bW8oMCfGtEYJ1/8xKHAzMLn15ylfWflshZA6IWcIosEn1ErZUeCfctLMsEYbQv5kEVi /v "C:\Users\Admin\AppData\Local\Temp\8b09ca67d7b077dfe3be1a546cda92cd58737b72945855074bc29046a6b137ff.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:4848

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\n1032\s1032.exe

Filesize
225KB

MD5
8d8e499f7e6eca2e0db8cd8e53092393

SHA1
bf92dd793d041dfdfc2bd4f2b6607444b10c4e76

SHA256
ccea408e4f4274927ec734e4b882b00b6073d9d722cc4ddccab8dab38b4c7cfd

SHA512
5dd6dea473ea07e8106c4528d1e6769e5819627e18ab3b40ae5553fad1f5d98f61385b76cdd8c8474b12df6c5a6a4233e11d5ff3fe6a04ca8134197dc659964f

Download Submit
C:\Users\Admin\AppData\Local\Temp\n1032\s1032.exe

Filesize
225KB

MD5
8d8e499f7e6eca2e0db8cd8e53092393

SHA1
bf92dd793d041dfdfc2bd4f2b6607444b10c4e76

SHA256
ccea408e4f4274927ec734e4b882b00b6073d9d722cc4ddccab8dab38b4c7cfd

SHA512
5dd6dea473ea07e8106c4528d1e6769e5819627e18ab3b40ae5553fad1f5d98f61385b76cdd8c8474b12df6c5a6a4233e11d5ff3fe6a04ca8134197dc659964f

Download Submit
memory/4848-135-0x00007FFC853D0000-0x00007FFC85E06000-memory.dmp

Filesize
10.2MB

Download
memory/4848-136-0x000000000077A000-0x000000000077F000-memory.dmp

Filesize
20KB

Download
memory/4848-137-0x000000000077A000-0x000000000077F000-memory.dmp

Filesize
20KB

Download
memory/4848-138-0x000000000077A000-0x000000000077F000-memory.dmp

Filesize
20KB

Download