Analysis
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max time kernel
381s -
max time network
867s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
28-03-2023 09:18
Static task
static1
Behavioral task
behavioral1
Sample
INQUIRY.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
INQUIRY.exe
Resource
win10v2004-20230220-en
General
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Target
INQUIRY.exe
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Size
700.8MB
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MD5
4a9ba9c392508348b78258c5d95602b3
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SHA1
fe61759b5e30a0fe7b8e217d9fa97571b3018364
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SHA256
6ba64921b6bec546cd2843e931a133cc06a8ec4eb25b1675f4d0313c180d5a17
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SHA512
fa381ed00409ca71f023c9615859a658c145edcf996b9f023b9ba9d07d642509a34155cb66c8cf15a8140797d7b1924455ed9dfbe82330cdc160ef0d97382807
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SSDEEP
12288:Rtjamd0KdJVZz5dN+wGKvc/zoCj5nfj/tgaJaMWlKiQsfsuN7twLQnXNnCOpi4Bi:HpVZ9X+w+U2trFgEauosU7tNHoyFu
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5954474519:AAEGnfW1mRvGRxq-zIAvwJfpKEbhLLiqVaM/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
INQUIRY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INQUIRY.exedescription pid process target process PID 3272 set thread context of 3700 3272 INQUIRY.exe INQUIRY.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
INQUIRY.exedescription pid process Token: SeDebugPrivilege 3700 INQUIRY.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
INQUIRY.exedescription pid process target process PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe PID 3272 wrote to memory of 3700 3272 INQUIRY.exe INQUIRY.exe -
outlook_office_path 1 IoCs
Processes:
INQUIRY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe -
outlook_win_path 1 IoCs
Processes:
INQUIRY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INQUIRY.exe.logFilesize
1KB
MD5d1288cb41cf121701300cbd3d4a614cf
SHA1e9552edf26a0a766d60be98089c756daece171ac
SHA2564232d9da115b2d5733306620aa6c95814ce5d0f1eea830e819acf9bdcb64b1b4
SHA51268599fb6c8696c2d7f15491ca3567894a77a18fe54e9dd8da1f7c9ca59b4ac7a60131798d7657acc7cd590879325d750957139f2836f52efbb64bde6560139e0
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memory/3272-129-0x0000000005B90000-0x0000000005B9C000-memory.dmpFilesize
48KB
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memory/3272-124-0x0000000006300000-0x0000000006650000-memory.dmpFilesize
3.3MB
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memory/3272-131-0x0000000007C30000-0x0000000007CCC000-memory.dmpFilesize
624KB
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memory/3272-132-0x0000000007BB0000-0x0000000007BE2000-memory.dmpFilesize
200KB
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memory/3272-126-0x0000000005B10000-0x0000000005B30000-memory.dmpFilesize
128KB
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memory/3272-127-0x0000000005B40000-0x0000000005B50000-memory.dmpFilesize
64KB
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memory/3272-128-0x0000000005B40000-0x0000000005B50000-memory.dmpFilesize
64KB
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memory/3272-121-0x0000000000F70000-0x0000000001038000-memory.dmpFilesize
800KB
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memory/3272-130-0x0000000007AE0000-0x0000000007B8A000-memory.dmpFilesize
680KB
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memory/3272-123-0x0000000005900000-0x0000000005992000-memory.dmpFilesize
584KB
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memory/3272-125-0x00000000058A0000-0x00000000058AA000-memory.dmpFilesize
40KB
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memory/3272-122-0x0000000005E00000-0x00000000062FE000-memory.dmpFilesize
5.0MB
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memory/3700-133-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/3700-136-0x0000000005760000-0x00000000057C6000-memory.dmpFilesize
408KB
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memory/3700-137-0x00000000056C0000-0x00000000056D0000-memory.dmpFilesize
64KB
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memory/3700-138-0x00000000068F0000-0x0000000006940000-memory.dmpFilesize
320KB
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memory/3700-139-0x0000000006B10000-0x0000000006CD2000-memory.dmpFilesize
1.8MB
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memory/3700-140-0x00000000056C0000-0x00000000056D0000-memory.dmpFilesize
64KB