Analysis
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max time kernel
137s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 00:32
Behavioral task
behavioral1
Sample
21cda66be5a5a266a6834c4f7c380b43.exe
Resource
win7-20231215-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
21cda66be5a5a266a6834c4f7c380b43.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
21cda66be5a5a266a6834c4f7c380b43.exe
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Size
17KB
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MD5
21cda66be5a5a266a6834c4f7c380b43
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SHA1
3a4db917567623519a0060737c8108abaec865b1
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SHA256
e0e21bfe863806596f9134d366c6ac0570cde94708f823bc5028213ccabb1b57
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SHA512
80bffa1ce86cbf35db15551aa395ab885321765f0addcfd93cac9ff629a4d665ede30d747ce88e617c956303fa0c54c3c78f98ee00bbf40584cc5994c1078cb1
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SSDEEP
384:2ouG6vcHqnOpe+JztSs8/SoG8EaiV2yqQ6e8vaWUUHcfj:SFcGoxJtSdi87isQR+aWhcf
Score
8/10
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\start = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21cda66be5a5a266a6834c4f7c380b43.exe" 21cda66be5a5a266a6834c4f7c380b43.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000300000001f45f-2.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 4536 sbsm.exe -
Loads dropped DLL 1 IoCs
pid Process 3552 21cda66be5a5a266a6834c4f7c380b43.exe -
resource yara_rule behavioral2/memory/3552-0-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral2/memory/3552-5-0x0000000010000000-0x0000000010009000-memory.dmp upx behavioral2/memory/4536-9-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral2/files/0x000b000000023166-8.dat upx behavioral2/files/0x000300000001f45f-2.dat upx behavioral2/memory/4536-12-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral2/memory/3552-11-0x0000000000400000-0x000000000040C000-memory.dmp upx -
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7C109800-A5D5-438F-9640-18D17E168B88} 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7C109800-A5D5-438F-9640-18D17E168B88}\ 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects 21cda66be5a5a266a6834c4f7c380b43.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{9034A523-D068-4BE8-A284-9DF278BE776E}\Exec = "http://www.dwnldietool.com/redirect.php" 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{9034A523-D068-4BE8-A284-9DF278BE776E}\CLSID = "{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}" 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\SearchScopes 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{DAED9266-8C28-4C1C-8B58-5C66EFF1D302}" 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{9034A523-D068-4BE8-A284-9DF278BE776E} 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{9034A523-D068-4BE8-A284-9DF278BE776E}\MenuText = "IE Anti-Spyware" 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Search 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\SearchScopes\{DAED9266-8C28-4C1C-8B58-5C66EFF1D302} 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{DAED9266-8C28-4C1C-8B58-5C66EFF1D302}\DisplayName = "Search" 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{DAED9266-8C28-4C1C-8B58-5C66EFF1D302}\URL = "http://www.srchgate.com/index.php?b=1&t=0&q={searchTerms}" 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main 21cda66be5a5a266a6834c4f7c380b43.exe -
Modifies registry class 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sbmdl.dll" 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ThreadingModel = "Apartment" 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88} 21cda66be5a5a266a6834c4f7c380b43.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\xxx = "xxx" 21cda66be5a5a266a6834c4f7c380b43.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32 21cda66be5a5a266a6834c4f7c380b43.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 3552 21cda66be5a5a266a6834c4f7c380b43.exe 4536 sbsm.exe 4536 sbsm.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3552 wrote to memory of 4536 3552 21cda66be5a5a266a6834c4f7c380b43.exe 15 PID 3552 wrote to memory of 4536 3552 21cda66be5a5a266a6834c4f7c380b43.exe 15 PID 3552 wrote to memory of 4536 3552 21cda66be5a5a266a6834c4f7c380b43.exe 15
Processes
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C:\Users\Admin\AppData\Local\Temp\21cda66be5a5a266a6834c4f7c380b43.exe"C:\Users\Admin\AppData\Local\Temp\21cda66be5a5a266a6834c4f7c380b43.exe"1⤵
- Adds policy Run key to start application
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Users\Admin\AppData\Local\Temp\sbsm.exeC:\Users\Admin\AppData\Local\Temp\sbsm.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7KB
MD5be2073b9da87faf7f160d13d13085f23
SHA1aae42996e7675de4ee0c268e618f658913e1e296
SHA2567b6b7399b4a64e087fa63ade7b40600f85c5c04d06c72779af77383871b0a2c3
SHA512736e49495b93287f19a4ea8c5b841d29a08b4855ac76e7bb786d1afb34f799aba5f048f6f584a58b0f94b19eed986642bacf01ca5a01a356b0b195fd2301ea08
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Filesize
5KB
MD56fb9ebf6bd26c22d6fc829210e1ad8a3
SHA11f7797c4887c808a0db06bd394fd9d462c286d63
SHA2564a404c3c4875b032e4405379d35a0ab52c321de652d9d3ebc179241f43cdab86
SHA51278ae674e95c4588fa7f0f6b05d4969f00ae07c5e7237cfbe0be1ee52850a07608ba93be88120c909b47fc8b295bcd0c1e180530acaf0818730bf62fe3663d35d