Overview
overview
10Static
static
4xxwewe33/B...to.dll
windows7-x64
1xxwewe33/B...to.dll
windows10-2004-x64
1xxwewe33/E...IE.exe
windows7-x64
10xxwewe33/E...IE.exe
windows10-2004-x64
10xxwewe33/S...op.dll
windows7-x64
1xxwewe33/S...op.dll
windows10-2004-x64
1xxwewe33/S...rs.dll
windows7-x64
1xxwewe33/S...rs.dll
windows10-2004-x64
1xxwewe33/S...te.dll
windows7-x64
1xxwewe33/S...te.dll
windows10-2004-x64
1xxwewe33/S...ry.dll
windows7-x64
1xxwewe33/S...ry.dll
windows10-2004-x64
1xxwewe33/S...rs.dll
windows7-x64
1xxwewe33/S...rs.dll
windows10-2004-x64
1xxwewe33/S...fe.dll
windows7-x64
1xxwewe33/S...fe.dll
windows10-2004-x64
1xxwewe33/S...on.dll
windows7-x64
1xxwewe33/S...on.dll
windows10-2004-x64
1xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3xxwewe33/a...-0.dll
windows10-2004-x64
3Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 01:34
Behavioral task
behavioral1
Sample
xxwewe33/BouncyCastle.Crypto.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
xxwewe33/BouncyCastle.Crypto.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
xxwewe33/EIUWI383IE.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
xxwewe33/EIUWI383IE.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
xxwewe33/SQLite.Interop.dll
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
xxwewe33/SQLite.Interop.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
xxwewe33/System.Buffers.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
xxwewe33/System.Buffers.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
xxwewe33/System.Data.SQLite.dll
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
xxwewe33/System.Data.SQLite.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
xxwewe33/System.Memory.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
xxwewe33/System.Memory.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
xxwewe33/System.Numerics.Vectors.dll
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
xxwewe33/System.Numerics.Vectors.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
xxwewe33/System.Runtime.CompilerServices.Unsafe.dll
Resource
win7-20240705-en
Behavioral task
behavioral16
Sample
xxwewe33/System.Runtime.CompilerServices.Unsafe.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
xxwewe33/System.Text.Json.dll
Resource
win7-20240729-en
Behavioral task
behavioral18
Sample
xxwewe33/System.Text.Json.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
xxwewe33/api-ms-win-core-console-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral20
Sample
xxwewe33/api-ms-win-core-datetime-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
xxwewe33/api-ms-win-core-debug-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral22
Sample
xxwewe33/api-ms-win-core-errorhandling-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
xxwewe33/api-ms-win-core-file-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral24
Sample
xxwewe33/api-ms-win-core-file-l1-2-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
xxwewe33/api-ms-win-core-file-l2-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral26
Sample
xxwewe33/api-ms-win-core-handle-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
xxwewe33/api-ms-win-core-heap-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral28
Sample
xxwewe33/api-ms-win-core-interlocked-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
xxwewe33/api-ms-win-core-libraryloader-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral30
Sample
xxwewe33/api-ms-win-core-localization-l1-2-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
xxwewe33/api-ms-win-core-memory-l1-1-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral32
Sample
xxwewe33/api-ms-win-core-namedpipe-l1-1-0.dll
Resource
win10v2004-20240802-en
General
-
Target
xxwewe33/api-ms-win-core-interlocked-l1-1-0.dll
-
Size
11KB
-
MD5
8a6c74b9a1db0d730af45be603d233c8
-
SHA1
a6a3e80afeefcc9b34703c6a8ea2c0a94fe998e6
-
SHA256
75b8eae29ab9acc906aafac2a198fe875d34c22b40acace1cd6c3486d67333ef
-
SHA512
8f2e6be6a08e393acdb7e50687d6e6faefa9243855d92018bc9be5ffead022e4df96d2d51042a1e2d6d2eadcb88e27f7f4aea8a5314f8fb32c05cb9cededcd99
-
SSDEEP
192:ClYsFqWOhW+T71ojDBQABJsgqnajLQvTP+8jIrS:ClYsFqWOhWvDBRJsglvQyUIrS
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3376 1212 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1052 wrote to memory of 1212 1052 rundll32.exe 84 PID 1052 wrote to memory of 1212 1052 rundll32.exe 84 PID 1052 wrote to memory of 1212 1052 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\xxwewe33\api-ms-win-core-interlocked-l1-1-0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\xxwewe33\api-ms-win-core-interlocked-l1-1-0.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1212 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 6003⤵
- Program crash
PID:3376
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1212 -ip 12121⤵PID:704