eb2b81440013395b4699d0520f2adcb797420ad2bb57e01e8e356fa3c4730e5d

Analysis

max time kernel
86s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 11:47

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General

Target

eb2b81440013395b4699d0520f2adcb797420ad2bb57e01e8e356fa3c4730e5d.dll
Size

738KB
MD5

56898b83d6f2893dce5760b5b9692844
SHA1

141c12d74533c988fc571f0636d774a6155abd40
SHA256

eb2b81440013395b4699d0520f2adcb797420ad2bb57e01e8e356fa3c4730e5d
SHA512

7da70d5dbbab6a9b5dc7b79ac3650f9f79d858940ff4d59c29a990c558e765e00c33b278cc3c3aee2f91de2fe5d1030b781e85016952763218cdaf5de8a1db4c
SSDEEP

12288:cdOHNR54OayFgGLZ5xStM41YTdNNDaGMRD/rm47+hrbUk7EMP/lHBBaxSqnEQxKK:1ayFgOZ5xS6418btQDKA+hfHPlBBmSq7

Score

9^/10

evasion persistence

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

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-1-5-21-4063495947-34355257-727531523-1000\Software\Wine	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Temp = "RUNDLL32.EXE C:\\Users\\Admin\\AppData\\Local\\Temp\\eb2b81440013395b4699d0520f2adcb797420ad2bb57e01e8e356fa3c4730e5d.dll,jxrdofkqvulqgbekvtsoxcpc"	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1128	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1128	rundll32.exe
1128	rundll32.exe
1128	rundll32.exe
1128	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1128	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1128	2032	rundll32.exe	26
PID 2032 wrote to memory of 1128	2032	rundll32.exe	26
PID 2032 wrote to memory of 1128	2032	rundll32.exe	26
PID 2032 wrote to memory of 1128	2032	rundll32.exe	26
PID 2032 wrote to memory of 1128	2032	rundll32.exe	26
PID 2032 wrote to memory of 1128	2032	rundll32.exe	26
PID 2032 wrote to memory of 1128	2032	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2b81440013395b4699d0520f2adcb797420ad2bb57e01e8e356fa3c4730e5d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2b81440013395b4699d0520f2adcb797420ad2bb57e01e8e356fa3c4730e5d.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1128

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1128-54-0x0000000000000000-mapping.dmp

Download
memory/1128-55-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/1128-56-0x00000000009A0000-0x0000000000B3D000-memory.dmp

Filesize
1.6MB

Download
memory/1128-57-0x00000000009A0000-0x0000000000B3D000-memory.dmp

Filesize
1.6MB

Download
memory/1128-58-0x00000000009A0000-0x0000000000B3D000-memory.dmp

Filesize
1.6MB

Download
memory/1128-59-0x00000000009A0000-0x0000000000B3D000-memory.dmp

Filesize
1.6MB

Download
memory/1128-60-0x0000000077C50000-0x0000000077DD0000-memory.dmp

Filesize
1.5MB

Download
memory/1128-61-0x00000000009A0000-0x0000000000B3D000-memory.dmp

Filesize
1.6MB

Download
memory/1128-62-0x00000000009A0000-0x0000000000B3D000-memory.dmp

Filesize
1.6MB

Download
memory/1128-63-0x0000000077C50000-0x0000000077DD0000-memory.dmp

Filesize
1.5MB

Download
memory/1128-64-0x00000000009A0000-0x0000000000B3D000-memory.dmp

Filesize
1.6MB

Download