Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/05/2026, 17:57
Static task
static1
Behavioral task
behavioral1
Sample
tmp_aoz4ivs.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmp_aoz4ivs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmp_aoz4ivs.dll
Resource
win11-20260513-en
General
- Target tmp_aoz4ivs.dll
- Size 421KB
- Sample260522-wj28baev81
- SHA256 d63088780e90eda6a7ce286d6b190614f0ea6f1f55c6e6e9d6a30260eb84d03c
- MD5 f40160b2cfe0667cb4010a400a835a06
- SHA1 976c70ede8d10e825cb9e5bd5da0dd2a251bd0e8
- SHA512 e919819cdc45b2ed93c69f3f0267698940ee316707f6a722697100bfa79da9d277667c0276f36ba47f62dea8855e18e0e8ffaf5a708b369d73d2961b9fdfc3b4
- SSDEEP 6144:tZXN7Sgy8WA3gha780p2F2V6voOy5Gn7n0O8N5WYeXmseY1rmWd2KWJ:tjSgyhA30a78rQqIN5te20qWd2KWJ
- TLSH T19494AE0076A0C5AAE4B86877DE14D9FC85593C64CF70A8973AD0BF1F7F703E19626A21
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
zloader
-
April23Fixed
-
April23Fixed
-
http://wmwifbajxxbcxmucxmlc.com/post.php
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http://onfovdaqqrwbvdfoqnof.com/post.php
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http://cmmxhurildiigqghlryq.com/post.php
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http://nmqsmbiabjdnuushksas.com/post.php
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http://fvqlkgedqjiqgapudkgq.com/post.php
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http://iawfqecrwohcxnhwtofa.com/post.php
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http://nlbmfsyplohyaicmxhum.com/post.php
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http://snnmnkxdhflwgthqismb.com/post.php
-
build_id
120
Signatures
- Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 58 4684 msiexec.exe 71 4684 msiexec.exe 76 4684 msiexec.exe 78 4684 msiexec.exe 81 4684 msiexec.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 836 set thread context of 4684 836 rundll32.exe 104 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeSecurityPrivilege 4684 msiexec.exe Token: SeSecurityPrivilege 4684 msiexec.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4924 wrote to memory of 836 4924 rundll32.exe 86 PID 836 wrote to memory of 4684 836 rundll32.exe 104 PID 836 wrote to memory of 4684 836 rundll32.exe 104
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp_aoz4ivs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp_aoz4ivs.dll,#12⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4684
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