baf286d7e64e2afbba52b916633e79068a460fdca2a984d049bc127d2f8e9bae

Analysis

max time kernel
29s
max time network
32s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12/05/2023, 01:55

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General

Target

cba26ae8f29cac3aa3e6b940cbb20d53ceed4ca346dbaaca02a493c556afb6cf.dll
Size

1.2MB
MD5

9db6f66d9aeb383a336c2d4ab584767f
SHA1

8dde1f1ab0029d960fe06ad8bcf04da7d41bfb4c
SHA256

cba26ae8f29cac3aa3e6b940cbb20d53ceed4ca346dbaaca02a493c556afb6cf
SHA512

49102f72f03a4f4009d6f341cdfce9b4f91835d9a626ef2fdea15aa4afc95327362d68fb3d0016a1dfcfe38f4c22904ab2d3c1c4d3251311d8c0fc6e5667eda4
SSDEEP

24576:2Jq68ene4bok8ePeXq80OPE68RB1F3wWJnX0/iQ14v8E+2:2I5e5oX+OPERRB1F3wIvQ2h+2

Score

9^/10

evasion 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__	rundll32.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\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Wine	rundll32.exe

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	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1716	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1716	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1716	2000	rundll32.exe	28
PID 2000 wrote to memory of 1716	2000	rundll32.exe	28
PID 2000 wrote to memory of 1716	2000	rundll32.exe	28
PID 2000 wrote to memory of 1716	2000	rundll32.exe	28
PID 2000 wrote to memory of 1716	2000	rundll32.exe	28
PID 2000 wrote to memory of 1716	2000	rundll32.exe	28
PID 2000 wrote to memory of 1716	2000	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cba26ae8f29cac3aa3e6b940cbb20d53ceed4ca346dbaaca02a493c556afb6cf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cba26ae8f29cac3aa3e6b940cbb20d53ceed4ca346dbaaca02a493c556afb6cf.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1716

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

memory/1716-54-0x0000000010000000-0x00000000104B9000-memory.dmp

Filesize
4.7MB

Download
memory/1716-55-0x0000000010000000-0x00000000104B9000-memory.dmp

Filesize
4.7MB

Download
memory/1716-56-0x0000000010000000-0x00000000104B9000-memory.dmp

Filesize
4.7MB

Download
memory/1716-57-0x0000000010000000-0x00000000104B9000-memory.dmp

Filesize
4.7MB

Download