Analysis
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max time kernel
354s -
max time network
357s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 00:38
Static task
static1
Behavioral task
behavioral1
Sample
Dextron Group PO.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Dextron Group PO.exe
Resource
win10v2004-20240426-en
General
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Target
Dextron Group PO.exe
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Size
1.4MB
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MD5
02534060c07286b6c06db8b181509fb9
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SHA1
eed82ba0c6cc7cc4d7c8a61844e0e84d440ebe03
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SHA256
012e5ef35e2f13676d6141ea12f8ad4659d8fbdea99c244c995d46e78e5b2d17
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SHA512
1ebea9a686adb6835c8778fd8a477c2ede69830ff24c5f8cb5d803ea7ed65174624afafb0a7e0b66c9d6ec0a0c4605d2ff17de565822ab4bc8e513d0cc878844
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SSDEEP
24576:yn25nPkW3amy8sQxeWcktTjbJ42auDyEEEEEEEEEEEEEEEEEEEETKKKKKKKKKKKr:yn2kGy7wTjbX/DyEEEEEEEEEEEEEEEEm
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader Second Stage 2 IoCs
Processes:
resource yara_rule behavioral2/memory/812-5-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 behavioral2/memory/812-9-0x0000000000400000-0x0000000001400000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
Processes:
ipepdrdT.pifpid process 812 ipepdrdT.pif -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Dextron Group PO.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tdrdpepi = "C:\\Users\\Public\\Tdrdpepi.url" Dextron Group PO.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Dextron Group PO.exedescription pid process target process PID 4212 set thread context of 812 4212 Dextron Group PO.exe ipepdrdT.pif -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 27 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 29 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
ipepdrdT.pifpid process 812 ipepdrdT.pif 812 ipepdrdT.pif -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ipepdrdT.pifdescription pid process Token: SeDebugPrivilege 812 ipepdrdT.pif -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Dextron Group PO.exedescription pid process target process PID 4212 wrote to memory of 1248 4212 Dextron Group PO.exe extrac32.exe PID 4212 wrote to memory of 1248 4212 Dextron Group PO.exe extrac32.exe PID 4212 wrote to memory of 1248 4212 Dextron Group PO.exe extrac32.exe PID 4212 wrote to memory of 812 4212 Dextron Group PO.exe ipepdrdT.pif PID 4212 wrote to memory of 812 4212 Dextron Group PO.exe ipepdrdT.pif PID 4212 wrote to memory of 812 4212 Dextron Group PO.exe ipepdrdT.pif PID 4212 wrote to memory of 812 4212 Dextron Group PO.exe ipepdrdT.pif PID 4212 wrote to memory of 812 4212 Dextron Group PO.exe ipepdrdT.pif
Processes
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C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe"C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe C:\\Users\\Public\\Libraries\\Tdrdpepi.PIF2⤵
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C:\Users\Public\Libraries\ipepdrdT.pifC:\Users\Public\Libraries\ipepdrdT.pif2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Public\Libraries\ipepdrdT.pifFilesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
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memory/812-5-0x0000000000400000-0x0000000001400000-memory.dmpFilesize
16.0MB
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memory/812-9-0x0000000000400000-0x0000000001400000-memory.dmpFilesize
16.0MB
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memory/812-11-0x00000000748DE000-0x00000000748DF000-memory.dmpFilesize
4KB
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memory/812-12-0x0000000034450000-0x00000000344AE000-memory.dmpFilesize
376KB
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memory/812-13-0x00000000748D0000-0x0000000075080000-memory.dmpFilesize
7.7MB
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memory/812-14-0x0000000034550000-0x0000000034AF4000-memory.dmpFilesize
5.6MB
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memory/812-15-0x0000000034B00000-0x0000000034B5C000-memory.dmpFilesize
368KB
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memory/812-16-0x00000000748D0000-0x0000000075080000-memory.dmpFilesize
7.7MB
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memory/812-56-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-64-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-76-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-74-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-70-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-68-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-62-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-60-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-59-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-54-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-52-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-50-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-46-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-44-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-42-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-40-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-38-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-36-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-34-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-32-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-30-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-72-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-28-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-1156-0x00000000748D0000-0x0000000075080000-memory.dmpFilesize
7.7MB
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memory/812-1155-0x0000000034C80000-0x0000000034CE6000-memory.dmpFilesize
408KB
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memory/812-66-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-26-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-24-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-48-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-22-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-20-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-18-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-17-0x0000000034B00000-0x0000000034B56000-memory.dmpFilesize
344KB
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memory/812-1157-0x0000000035550000-0x00000000355A0000-memory.dmpFilesize
320KB
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memory/812-1158-0x00000000355A0000-0x000000003563C000-memory.dmpFilesize
624KB
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memory/812-1159-0x0000000035EF0000-0x0000000035F82000-memory.dmpFilesize
584KB
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memory/812-1160-0x0000000036100000-0x000000003610A000-memory.dmpFilesize
40KB
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memory/812-1162-0x00000000748DE000-0x00000000748DF000-memory.dmpFilesize
4KB
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memory/812-1163-0x00000000748D0000-0x0000000075080000-memory.dmpFilesize
7.7MB
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memory/4212-0-0x0000000000750000-0x0000000000751000-memory.dmpFilesize
4KB
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memory/4212-6-0x0000000000400000-0x0000000000578000-memory.dmpFilesize
1.5MB