89ab03c259222ee0348360a6d6670d5db5d95da04778747b2ef8563c3bacfdf5

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 19:18

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General

Target

89ab03c259222ee0348360a6d6670d5db5d95da04778747b2ef8563c3bacfdf5N.dll
Size

187KB
MD5

6c601b488da0c9055c185ee67d81ae10
SHA1

d4e564ae5c4d899bd52c880c4fbec32642e273a2
SHA256

89ab03c259222ee0348360a6d6670d5db5d95da04778747b2ef8563c3bacfdf5
SHA512

3f2f3907fdb0ef2de08bd8ce774115305639af63afe0f663c196b4bb6afa42b8e54f0d9eef426149b8b1b8b79a603fa708f59d2bd4e7d9ebf01f09f96464bc8b
SSDEEP

3072:jKuoYY+RoatpaNj+FIlYGTuXHHetkqcqvnhzduz:+OY+cjuQTuXHHel/Vgz

Score

7^/10

discovery upx vmprotect

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2068	rundll32mgr.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/1184-1-0x0000000010000000-0x0000000010034000-memory.dmp	vmprotect

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b71-3.dat	upx
behavioral2/memory/2068-4-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/2068-7-0x0000000000400000-0x000000000045B000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3480	2068	WerFault.exe	84
2140	1184	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1184	4544	rundll32.exe	83
PID 4544 wrote to memory of 1184	4544	rundll32.exe	83
PID 4544 wrote to memory of 1184	4544	rundll32.exe	83
PID 1184 wrote to memory of 2068	1184	rundll32.exe	84
PID 1184 wrote to memory of 2068	1184	rundll32.exe	84
PID 1184 wrote to memory of 2068	1184	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89ab03c259222ee0348360a6d6670d5db5d95da04778747b2ef8563c3bacfdf5N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89ab03c259222ee0348360a6d6670d5db5d95da04778747b2ef8563c3bacfdf5N.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 264
      4⤵
      Program crash
      PID:3480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 556
    3⤵
    - Program crash
    PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1184 -ip 1184
1⤵
PID:960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2068 -ip 2068
1⤵
PID:3044

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

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
dfb5daabb95dcfad1a5faf9ab1437076

SHA1
4a199569a9b52911bee7fb19ab80570cc5ff9ed1

SHA256
54282ec29d4993ed6e9972122cfbb70bba4898a21d527bd9e72a166d7ec2fdc0

SHA512
5d31c34403ab5f8db4a6d84f2b5579d4ea18673914b626d78e458a648ac20ddd8e342818e807331036d7bb064f596a02b9737acac42fbead29260343a30717e8

Download Submit
memory/1184-1-0x0000000010000000-0x0000000010034000-memory.dmp

Filesize
208KB

Download
memory/2068-6-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2068-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2068-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download