Analysis
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max time kernel
156s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2023, 02:57
Behavioral task
behavioral1
Sample
871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe
Resource
win7-20230831-en
General
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Target
871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe
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Size
9.4MB
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MD5
2745038891d0977553ed2f148cd974d2
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SHA1
ba2005b0d285377057e3e4d2552acbbe21be5435
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SHA256
871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479
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SHA512
a780e656e1ebdbcd6a5e1eec5f5130951c411d9e1d7cb1050fd7cae85014c6595d8d18f0a572e9226bffd84cae27f2c90e5c52b9484d55fea6a6277aa177659a
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SSDEEP
98304:huPzCkejnTr49wd20JBAUZLbc/q6YOlH5tXjt2um1Y2/5+4sZo8q+0uG76wf:GCkReJVpOVXYb3890kI
Malware Config
Signatures
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Loads dropped DLL 4 IoCs
pid Process 1428 RegAsm.exe 1428 RegAsm.exe 1784 RegAsm.exe 1784 RegAsm.exe -
Obfuscated with Agile.Net obfuscator 5 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral2/memory/4616-0-0x0000000000400000-0x0000000000DA4000-memory.dmp agile_net behavioral2/memory/4616-1-0x0000000000400000-0x0000000000DA4000-memory.dmp agile_net behavioral2/memory/4616-2-0x0000000000400000-0x0000000000DA4000-memory.dmp agile_net behavioral2/memory/4616-3-0x0000000000400000-0x0000000000DA4000-memory.dmp agile_net behavioral2/memory/4616-29-0x0000000000400000-0x0000000000DA4000-memory.dmp agile_net -
resource yara_rule behavioral2/memory/4616-4-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-7-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-8-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-9-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-10-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-13-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-15-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-20-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-18-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-22-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-25-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-27-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-30-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-32-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-34-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-36-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-38-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-40-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-42-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-44-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-46-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-50-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-48-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-52-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-54-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4616-55-0x0000000010000000-0x000000001003E000-memory.dmp upx -
Modifies registry class 39 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D} RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32 RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\ProgId RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Get.Rand RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\ = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\ = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\ = "mscoree.dll" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\ThreadingModel = "Both" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{62C8FE65-4EBB-45E7-B440-6E39B2CDBF29}\0 = ".NET Category" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0\Assembly = "Get, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\Implemented Categories RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{62C8FE65-4EBB-45E7-B440-6E39B2CDBF29}\0 = ".NET Category" RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Get.Rand RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Get.Rand\ = "Get.Rand" RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D} RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32 RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0\Class = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\RuntimeVersion = "v4.0.30319" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\ProgId\ = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Get.Rand\CLSID\ = "{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Get.Rand\CLSID\ = "{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\Class = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\Class = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\ProgId\ = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Get.Rand\ = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\RuntimeVersion = "v4.0.30319" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\ThreadingModel = "Both" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0\Class = "Get.Rand" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\ = "mscoree.dll" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\Assembly = "Get, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0 RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0\Assembly = "Get, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0\RuntimeVersion = "v4.0.30319" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\CodeBase = "file:///C:/Users/Admin/AppData/Local/Temp/SeQID.dll" RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\Implemented Categories\{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29} RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Get.Rand\CLSID RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\Assembly = "Get, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0\RuntimeVersion = "v4.0.30319" RegAsm.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DEF633B8-9402-3FA9-B4E3-FB1DE789DA6D}\InprocServer32\1.0.0.0\CodeBase = "file:///C:/Users/Admin/AppData/Local/Temp/SeQID.dll" RegAsm.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4616 wrote to memory of 1428 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 89 PID 4616 wrote to memory of 1428 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 89 PID 4616 wrote to memory of 1428 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 89 PID 4616 wrote to memory of 1784 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 90 PID 4616 wrote to memory of 1784 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 90 PID 4616 wrote to memory of 1784 4616 871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe"C:\Users\Admin\AppData\Local\Temp\871524840bcfc675aba1ad2ff612241349b2da8a9d39add9a05e63709f8fa479.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Users\Admin\AppData\Local\Temp\SeQID.dll2⤵
- Loads dropped DLL
- Modifies registry class
PID:1428
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Users\Admin\AppData\Local\Temp\SeQID.dll /codebase2⤵
- Loads dropped DLL
- Modifies registry class
PID:1784
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
7KB
MD57f928bbfeadc9c8ab63097ab424aa60b
SHA199375d12aba274a404f3925f4b243114d972ff5b
SHA256aa950d3dd2e1b13affa176bf55f0fee05e9903547ddace19bb75d36cca923b57
SHA51247319daeaffdca9163823a6bf90ae0a1ead12a3d2e474337bbd674dd58c417e9d3e26431a622858205d247684eb8c01185c30630e22bfe4ee6e38623e2c60f1e
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Filesize
7KB
MD57f928bbfeadc9c8ab63097ab424aa60b
SHA199375d12aba274a404f3925f4b243114d972ff5b
SHA256aa950d3dd2e1b13affa176bf55f0fee05e9903547ddace19bb75d36cca923b57
SHA51247319daeaffdca9163823a6bf90ae0a1ead12a3d2e474337bbd674dd58c417e9d3e26431a622858205d247684eb8c01185c30630e22bfe4ee6e38623e2c60f1e
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Filesize
7KB
MD57f928bbfeadc9c8ab63097ab424aa60b
SHA199375d12aba274a404f3925f4b243114d972ff5b
SHA256aa950d3dd2e1b13affa176bf55f0fee05e9903547ddace19bb75d36cca923b57
SHA51247319daeaffdca9163823a6bf90ae0a1ead12a3d2e474337bbd674dd58c417e9d3e26431a622858205d247684eb8c01185c30630e22bfe4ee6e38623e2c60f1e
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Filesize
7KB
MD57f928bbfeadc9c8ab63097ab424aa60b
SHA199375d12aba274a404f3925f4b243114d972ff5b
SHA256aa950d3dd2e1b13affa176bf55f0fee05e9903547ddace19bb75d36cca923b57
SHA51247319daeaffdca9163823a6bf90ae0a1ead12a3d2e474337bbd674dd58c417e9d3e26431a622858205d247684eb8c01185c30630e22bfe4ee6e38623e2c60f1e
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Filesize
7KB
MD57f928bbfeadc9c8ab63097ab424aa60b
SHA199375d12aba274a404f3925f4b243114d972ff5b
SHA256aa950d3dd2e1b13affa176bf55f0fee05e9903547ddace19bb75d36cca923b57
SHA51247319daeaffdca9163823a6bf90ae0a1ead12a3d2e474337bbd674dd58c417e9d3e26431a622858205d247684eb8c01185c30630e22bfe4ee6e38623e2c60f1e