bitrat | af7800b9d14d41db33e7aeb100aac52bcae40bd7dfa2f151ffb4e76e810ea965

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	adodbe.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	adodbe.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	adodbe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	adodbe.exe

Executes dropped EXE 2 IoCs

pid	Process
2872	adodbe.exe
1188	adodbe.exe

Loads dropped DLL 5 IoCs

pid	Process
2160	284445efc60c1a68e8199c7dc675ff82.exe
2160	284445efc60c1a68e8199c7dc675ff82.exe
2160	284445efc60c1a68e8199c7dc675ff82.exe
2160	284445efc60c1a68e8199c7dc675ff82.exe
2872	adodbe.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1188-34-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-36-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-41-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-42-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-43-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-44-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-39-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-46-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-47-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-48-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-49-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-50-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-53-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-54-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-55-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-56-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-60-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-59-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1188-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	adodbe.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	adodbe.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1188	adodbe.exe
1188	adodbe.exe
1188	adodbe.exe
1188	adodbe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 1188	2872	adodbe.exe	34

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
1140	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	adodbe.exe
Token: SeShutdownPrivilege	1188	adodbe.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1760	DllHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1188	adodbe.exe
1188	adodbe.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2872	2160	284445efc60c1a68e8199c7dc675ff82.exe	28
PID 2160 wrote to memory of 2872	2160	284445efc60c1a68e8199c7dc675ff82.exe	28
PID 2160 wrote to memory of 2872	2160	284445efc60c1a68e8199c7dc675ff82.exe	28
PID 2160 wrote to memory of 2872	2160	284445efc60c1a68e8199c7dc675ff82.exe	28
PID 2872 wrote to memory of 1140	2872	adodbe.exe	32
PID 2872 wrote to memory of 1140	2872	adodbe.exe	32
PID 2872 wrote to memory of 1140	2872	adodbe.exe	32
PID 2872 wrote to memory of 1140	2872	adodbe.exe	32
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34
PID 2872 wrote to memory of 1188	2872	adodbe.exe	34

C:\Users\Admin\AppData\Local\Temp\284445efc60c1a68e8199c7dc675ff82.exe
"C:\Users\Admin\AppData\Local\Temp\284445efc60c1a68e8199c7dc675ff82.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\adodbe.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\adodbe.exe"
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NWKQwZWIgp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60C6.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1140
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\adodbe.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\adodbe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1188

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:1760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion