eca21a7c70ac58c905cd336cf604ca252eb9732196b4b4dc65b3ce102d230c52

Analysis

max time kernel
55s
max time network
66s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2022 16:40

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General

Target

Setup.exe
Size

851.4MB
MD5

1416f3f7623a19cb306f70779327fdcd
SHA1

9ae19d00ee8a840f8b6f2113e10f805d6e3e993b
SHA256

eca21a7c70ac58c905cd336cf604ca252eb9732196b4b4dc65b3ce102d230c52
SHA512

f9e5bc132858016d1f03c291f564e835e338c8d0c58a514958d1177f98afa6d608575ce1644674efa4c7cd0dabf2ea36a658c6199401226e54c8b3eb6d3d9591
SSDEEP

98304:dFMmIEDuIisemx/7ptm69aOR6rHsFQGrbUoMDhmjh3F:dFguujseE/zR6rHs2GrbUo3jhV

Score

9^/10

bootkit discovery evasion persistence spyware stealer trojan

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__	Setup.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
4596	Setup.exe
4596	Setup.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Setup.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	Setup.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4596	Setup.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Setup.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
532	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4596	Setup.exe
4596	Setup.exe
4596	Setup.exe
4596	Setup.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4972	4596	Setup.exe	93
PID 4596 wrote to memory of 4972	4596	Setup.exe	93
PID 4596 wrote to memory of 4972	4596	Setup.exe	93
PID 4972 wrote to memory of 532	4972	cmd.exe	95
PID 4972 wrote to memory of 532	4972	cmd.exe	95
PID 4972 wrote to memory of 532	4972	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Loads dropped DLL
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4972
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:532

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/532-163-0x0000000000000000-mapping.dmp

Download
memory/4596-135-0x0000000000600000-0x0000000000BCC000-memory.dmp

Filesize
5.8MB

Download
memory/4596-136-0x0000000077250000-0x00000000773F3000-memory.dmp

Filesize
1.6MB

Download
memory/4596-137-0x0000000002C90000-0x0000000002CF8000-memory.dmp

Filesize
416KB

Download
memory/4596-138-0x0000000002C90000-0x0000000002CF8000-memory.dmp

Filesize
416KB

Download
memory/4596-139-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4596-132-0x0000000000600000-0x0000000000BCC000-memory.dmp

Filesize
5.8MB

Download
memory/4596-134-0x0000000000600000-0x0000000000BCC000-memory.dmp

Filesize
5.8MB

Download
memory/4596-160-0x0000000000600000-0x0000000000BCC000-memory.dmp

Filesize
5.8MB

Download
memory/4596-161-0x0000000077250000-0x00000000773F3000-memory.dmp

Filesize
1.6MB

Download
memory/4596-162-0x0000000002C90000-0x0000000002CF8000-memory.dmp

Filesize
416KB

Download
memory/4596-133-0x0000000077250000-0x00000000773F3000-memory.dmp

Filesize
1.6MB

Download
memory/4972-159-0x0000000000000000-mapping.dmp

Download