Analysis
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max time kernel
129s -
max time network
122s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
22-10-2021 13:05
Static task
static1
Behavioral task
behavioral1
Sample
PO 4520006263.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
PO 4520006263.exe
Resource
win10-en-20211014
General
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Target
PO 4520006263.exe
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Size
548KB
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MD5
5f1a5b9f4fda1483f9409035d19a270f
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SHA1
3fa2c9986bb4b99853126ab5591cc6d35ad3489a
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SHA256
141f6635e9a73f078448f505b92eeb333ce841e4ce781995b75844e448ece1a6
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SHA512
dd05faa74447536a598023886a3d3923ffe548f2543cc391a3781e8bfb798e0f4700d537d10fcfe1c3cd5b0424b4c4a5f65a2631011d2cd8d5356386f320b70f
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dairysystems.co.ke - Port:
587 - Username:
info@dairysystems.co.ke - Password:
2019@systems
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3956-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3956-125-0x00000000004374CE-mapping.dmp family_agenttesla -
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:
PO 4520006263.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4520006263.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4520006263.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4520006263.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO 4520006263.exedescription pid process target process PID 3656 set thread context of 3956 3656 PO 4520006263.exe PO 4520006263.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
PO 4520006263.exepid process 3956 PO 4520006263.exe 3956 PO 4520006263.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO 4520006263.exedescription pid process Token: SeDebugPrivilege 3956 PO 4520006263.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
PO 4520006263.exedescription pid process target process PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe PID 3656 wrote to memory of 3956 3656 PO 4520006263.exe PO 4520006263.exe -
outlook_office_path 1 IoCs
Processes:
PO 4520006263.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4520006263.exe -
outlook_win_path 1 IoCs
Processes:
PO 4520006263.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 4520006263.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 4520006263.exe"C:\Users\Admin\AppData\Local\Temp\PO 4520006263.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO 4520006263.exe"C:\Users\Admin\AppData\Local\Temp\PO 4520006263.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO 4520006263.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/3656-122-0x0000000008840000-0x0000000008841000-memory.dmpFilesize
4KB
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memory/3656-118-0x0000000004B20000-0x0000000004B21000-memory.dmpFilesize
4KB
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memory/3656-119-0x0000000004A20000-0x0000000004F1E000-memory.dmpFilesize
5.0MB
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memory/3656-120-0x0000000004CA0000-0x0000000004CA1000-memory.dmpFilesize
4KB
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memory/3656-121-0x0000000005910000-0x0000000005917000-memory.dmpFilesize
28KB
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memory/3656-115-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/3656-123-0x00000000088E0000-0x0000000008938000-memory.dmpFilesize
352KB
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memory/3656-117-0x0000000004F20000-0x0000000004F21000-memory.dmpFilesize
4KB
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memory/3956-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3956-125-0x00000000004374CE-mapping.dmp
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memory/3956-131-0x0000000004DA0000-0x0000000004DA1000-memory.dmpFilesize
4KB
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memory/3956-132-0x0000000004F10000-0x0000000004F11000-memory.dmpFilesize
4KB
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memory/3956-133-0x0000000005AA0000-0x0000000005AA1000-memory.dmpFilesize
4KB