cbfca62676f5f4653e7151e00a3fabc91fae98e1c8beab6b2e05eb79cd3b342d

Analysis

max time kernel
106s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30/01/2023, 19:55

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General

Target
Setup.exe
Size 7.2MB
Sample230130-ym4lnace56
SHA256 cbfca62676f5f4653e7151e00a3fabc91fae98e1c8beab6b2e05eb79cd3b342d
MD5 71dc24eb7b90f77d23df59af068c3ed6
SHA1 d0e6ce2cfd2dd0cdd988c9981b4f901fe5ac51af
SHA512 eef19afa6bd3b970d3ba696cf5453ac9d0118088239fef1e0e63692f8adc3d76058bd6dc757dc924bc6db476ec3d272ec11c7ca95e718a5057b071df19cf5812
SSDEEP 98304:Es1DgtKt0M154pX1M0gF9OtfXJroEBV5FL0BsS4HJG+V5Os+vE9zK2SCmBhg:0k54fmotPxoI++nOv8ICmBhg
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

discovery evasion spyware stealer themida 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

Downloads MZ/PE file

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\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
3676	Setup.exe
3676	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

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1564-136-0x0000000000920000-0x000000000172E000-memory.dmp	themida
behavioral2/memory/1564-137-0x0000000000920000-0x000000000172E000-memory.dmp	themida
behavioral2/memory/3028-141-0x0000000000920000-0x000000000172E000-memory.dmp	themida
behavioral2/memory/1564-152-0x0000000000920000-0x000000000172E000-memory.dmp	themida

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1564	Setup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1564 set thread context of 3676	1564	Setup.exe	84

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
2292	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1564	Setup.exe
1564	Setup.exe
1564	Setup.exe
1564	Setup.exe
1564	Setup.exe
1564	Setup.exe
3676	Setup.exe
3676	Setup.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1564	Setup.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 3028	1564	Setup.exe	82
PID 1564 wrote to memory of 3028	1564	Setup.exe	82
PID 1564 wrote to memory of 3028	1564	Setup.exe	82
PID 1564 wrote to memory of 3872	1564	Setup.exe	83
PID 1564 wrote to memory of 3872	1564	Setup.exe	83
PID 1564 wrote to memory of 3872	1564	Setup.exe	83
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 1564 wrote to memory of 3676	1564	Setup.exe	84
PID 3676 wrote to memory of 3360	3676	Setup.exe	85
PID 3676 wrote to memory of 3360	3676	Setup.exe	85
PID 3676 wrote to memory of 3360	3676	Setup.exe	85
PID 3360 wrote to memory of 2292	3360	cmd.exe	87
PID 3360 wrote to memory of 2292	3360	cmd.exe	87
PID 3360 wrote to memory of 2292	3360	cmd.exe	87

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 whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  C:\Users\Admin\AppData\Local\Temp\Setup.exe
  2⤵
  PID:3028
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  C:\Users\Admin\AppData\Local\Temp\Setup.exe
  2⤵
  PID:3872
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  C:\Users\Admin\AppData\Local\Temp\Setup.exe
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3676
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & del "C:\ProgramData\*.dll"" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3360
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:2292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

Replay Monitor

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Downloads

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

Submit Download

nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1564-152-0x0000000000920000-0x000000000172E000-memory.dmp

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memory/1564-132-0x0000000000920000-0x000000000172E000-memory.dmp

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memory/1564-137-0x0000000000920000-0x000000000172E000-memory.dmp

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memory/1564-138-0x0000000005810000-0x0000000005832000-memory.dmp

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memory/1564-133-0x0000000077C70000-0x0000000077E13000-memory.dmp

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memory/1564-136-0x0000000000920000-0x000000000172E000-memory.dmp

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memory/1564-134-0x0000000000920000-0x000000000172E000-memory.dmp

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memory/1564-154-0x0000000077C70000-0x0000000077E13000-memory.dmp

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memory/3028-141-0x0000000000920000-0x000000000172E000-memory.dmp

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memory/3676-145-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/3676-148-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/3676-147-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/3676-146-0x0000000000920000-0x000000000172E000-memory.dmp

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memory/3676-143-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/3676-172-0x0000000000400000-0x0000000000628000-memory.dmp

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