8348f852775f70444139d4f2cf42fb6fedca972ff91c48eaed56739c840a75d4

Analysis

max time kernel
106s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 11:31

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General

Target

wrapper.dll
Size

655KB
MD5

e1656d25f53820e291e60093f8e8bc41
SHA1

1407ef55c30de78b3b5f3e4a0042281ae9d55831
SHA256

367fda11631296caef0acad26cfed7d0934475eacb8349c1c209a575bf547cb8
SHA512

5407d8605a1405759f824e10bd748671d057eb477b8feed5772e62fa55f67df10ed643a7a7f90562db3782461291b61b452d679453888d065e0c8bafb8791e7f
SSDEEP

12288:3lTILolEZuvuVJBK9ONOkx2PAUv0vWPdcef6WKqC1bBTzBS0ncQ:3lTI9nhOkUIM0qNf6WKNJB1cQ

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral28/memory/2800-1-0x0000000002D50000-0x0000000002F09000-memory.dmp	upx
behavioral28/memory/2800-2-0x0000000002D50000-0x0000000002F09000-memory.dmp	upx
behavioral28/memory/2800-22-0x0000000002D50000-0x0000000002F09000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1672	2800	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 2800	4632	rundll32.exe	84
PID 4632 wrote to memory of 2800	4632	rundll32.exe	84
PID 4632 wrote to memory of 2800	4632	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wrapper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\wrapper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 700
    3⤵
    - Program crash
    PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2800 -ip 2800
1⤵
PID:1168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2800-0-0x0000000010000000-0x000000001017D000-memory.dmp

Filesize
1.5MB

Download
memory/2800-1-0x0000000002D50000-0x0000000002F09000-memory.dmp

Filesize
1.7MB

Download
memory/2800-3-0x00000000032A0000-0x00000000033A0000-memory.dmp

Filesize
1024KB

Download
memory/2800-11-0x0000000003080000-0x00000000030B5000-memory.dmp

Filesize
212KB

Download
memory/2800-10-0x00000000032F0000-0x00000000032F1000-memory.dmp

Filesize
4KB

Download
memory/2800-9-0x00000000032A0000-0x00000000032A5000-memory.dmp

Filesize
20KB

Download
memory/2800-8-0x00000000032A0000-0x00000000032A1000-memory.dmp

Filesize
4KB

Download
memory/2800-7-0x00000000032A0000-0x00000000032A1000-memory.dmp

Filesize
4KB

Download
memory/2800-6-0x00000000032A0000-0x00000000032A1000-memory.dmp

Filesize
4KB

Download
memory/2800-5-0x00000000032A0000-0x00000000033A0000-memory.dmp

Filesize
1024KB

Download
memory/2800-4-0x00000000032A0000-0x00000000033A0000-memory.dmp

Filesize
1024KB

Download
memory/2800-2-0x0000000002D50000-0x0000000002F09000-memory.dmp

Filesize
1.7MB

Download
memory/2800-18-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/2800-17-0x0000000003020000-0x0000000003021000-memory.dmp

Filesize
4KB

Download
memory/2800-16-0x0000000003010000-0x0000000003011000-memory.dmp

Filesize
4KB

Download
memory/2800-15-0x00000000032B0000-0x00000000032B1000-memory.dmp

Filesize
4KB

Download
memory/2800-14-0x0000000003290000-0x0000000003291000-memory.dmp

Filesize
4KB

Download
memory/2800-13-0x00000000032F0000-0x00000000032F1000-memory.dmp

Filesize
4KB

Download
memory/2800-12-0x0000000003300000-0x0000000003301000-memory.dmp

Filesize
4KB

Download
memory/2800-21-0x0000000003080000-0x00000000030B5000-memory.dmp

Filesize
212KB

Download
memory/2800-22-0x0000000002D50000-0x0000000002F09000-memory.dmp

Filesize
1.7MB

Download
memory/2800-19-0x0000000010000000-0x000000001017D000-memory.dmp

Filesize
1.5MB

Download