de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038

Analysis

max time kernel
95s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 22:49

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General

Target

$PLUGINSDIR/oirygpbyia.dll
Size

38KB
MD5

6d2a0ca8aac6594e4f037d3cecdace3b
SHA1

2fdc815752d2483ae536ed60dd2104b0e5cc2abd
SHA256

f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468
SHA512

cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee
SSDEEP

384:g62dM1YJb19+21X4qFTrtR1836QFlqIknaqRCz+7+TY2EMfENSC4dlZ2dpwr:g6Ly19+2NFTJ7arFlRkKTYrGzIpwr

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4856	4216	WerFault.exe	82

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 4216	1000	rundll32.exe	82
PID 1000 wrote to memory of 4216	1000	rundll32.exe	82
PID 1000 wrote to memory of 4216	1000	rundll32.exe	82
PID 4216 wrote to memory of 4424	4216	rundll32.exe	83
PID 4216 wrote to memory of 4424	4216	rundll32.exe	83
PID 4216 wrote to memory of 4424	4216	rundll32.exe	83
PID 4216 wrote to memory of 4424	4216	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4216
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1
    3⤵
    PID:4424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 656
    3⤵
    - Program crash
    PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4216 -ip 4216
1⤵
PID:4796

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/4216-0-0x0000000010009000-0x000000001000B000-memory.dmp

Filesize
8KB

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