Analysis
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max time kernel
130s -
max time network
183s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 03:22
Static task
static1
Behavioral task
behavioral1
Sample
DHL_AWB #1008936572891_pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
DHL_AWB #1008936572891_pdf.exe
Resource
win10v2004-20220414-en
General
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Target
DHL_AWB #1008936572891_pdf.exe
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Size
2.1MB
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MD5
3e910208a9f1bf03108895af8671078c
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SHA1
6b59a64f11e6559c1354c8097856593469ecd8bc
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SHA256
885179565290381c8e8e883f1e4c776507c1ddd3bfa8902f432ea31fbf01c683
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SHA512
525ee64a0e0915fa5f35534187c230d3526395ebb42d7c0c68123b9804158d66d0078821c0e7f7a1bf7554322fa28a47d73a6422a7e451fd7dac3062b43dffeb
Malware Config
Extracted
C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt
masslogger
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 5 IoCs
resource yara_rule behavioral1/memory/1648-54-0x0000000001190000-0x00000000013A4000-memory.dmp family_masslogger behavioral1/files/0x0007000000014473-59.dat family_masslogger behavioral1/files/0x0007000000014473-61.dat family_masslogger behavioral1/files/0x0007000000014473-62.dat family_masslogger behavioral1/memory/968-63-0x0000000001390000-0x0000000001448000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
AgentTesla Payload 7 IoCs
resource yara_rule behavioral1/memory/1648-54-0x0000000001190000-0x00000000013A4000-memory.dmp family_agenttesla behavioral1/memory/1044-70-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1044-71-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1044-72-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1044-73-0x000000000045445E-mapping.dmp family_agenttesla behavioral1/memory/1044-77-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1044-75-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
pid Process 968 MassLoggerBinUPDATEProizvodnja.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation MassLoggerBinUPDATEProizvodnja.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MassLoggerBinUPDATEProizvodnja.exe DHL_AWB #1008936572891_pdf.exe -
Loads dropped DLL 2 IoCs
pid Process 1648 DHL_AWB #1008936572891_pdf.exe 1648 DHL_AWB #1008936572891_pdf.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral1/memory/1648-56-0x0000000000320000-0x0000000000342000-memory.dmp agile_net -
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 41 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MassLoggerBinUPDATEProizvodnja.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook MassLoggerBinUPDATEProizvodnja.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\WEqfDb = "C:\\Users\\Admin\\AppData\\Roaming\\WEqfDb\\WEqfDb.exe" DHL_AWB #1008936572891_pdf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1648 set thread context of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 968 MassLoggerBinUPDATEProizvodnja.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1648 DHL_AWB #1008936572891_pdf.exe 968 MassLoggerBinUPDATEProizvodnja.exe 968 MassLoggerBinUPDATEProizvodnja.exe 1648 DHL_AWB #1008936572891_pdf.exe 1648 DHL_AWB #1008936572891_pdf.exe 968 MassLoggerBinUPDATEProizvodnja.exe 968 MassLoggerBinUPDATEProizvodnja.exe 1044 DHL_AWB #1008936572891_pdf.exe 1044 DHL_AWB #1008936572891_pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1648 DHL_AWB #1008936572891_pdf.exe Token: SeDebugPrivilege 968 MassLoggerBinUPDATEProizvodnja.exe Token: SeDebugPrivilege 1044 DHL_AWB #1008936572891_pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 968 MassLoggerBinUPDATEProizvodnja.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1648 wrote to memory of 968 1648 DHL_AWB #1008936572891_pdf.exe 27 PID 1648 wrote to memory of 968 1648 DHL_AWB #1008936572891_pdf.exe 27 PID 1648 wrote to memory of 968 1648 DHL_AWB #1008936572891_pdf.exe 27 PID 1648 wrote to memory of 968 1648 DHL_AWB #1008936572891_pdf.exe 27 PID 1648 wrote to memory of 968 1648 DHL_AWB #1008936572891_pdf.exe 27 PID 1648 wrote to memory of 968 1648 DHL_AWB #1008936572891_pdf.exe 27 PID 1648 wrote to memory of 968 1648 DHL_AWB #1008936572891_pdf.exe 27 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 PID 1648 wrote to memory of 1044 1648 DHL_AWB #1008936572891_pdf.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB #1008936572891_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MassLoggerBinUPDATEProizvodnja.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MassLoggerBinUPDATEProizvodnja.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:968
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C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1044
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MassLoggerBinUPDATEProizvodnja.exe
Filesize711KB
MD58bc40219a7641c3bcf72228173552977
SHA1ccd09865e9c7adc458a85b7638b7cd3e6a843d83
SHA2569e4cce1b23e7fdec9ab35c03326a7d3990aef52b7a5bce0d47d28bf8e56cfd6e
SHA512d6273cd78443faac11ddfe3dbfe3731d0243cd2454227153c71593ad826df4c62d3488da29dc7a527ec5977c54e02d091eec43803f20832de518b9f3069c396e
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MassLoggerBinUPDATEProizvodnja.exe
Filesize711KB
MD58bc40219a7641c3bcf72228173552977
SHA1ccd09865e9c7adc458a85b7638b7cd3e6a843d83
SHA2569e4cce1b23e7fdec9ab35c03326a7d3990aef52b7a5bce0d47d28bf8e56cfd6e
SHA512d6273cd78443faac11ddfe3dbfe3731d0243cd2454227153c71593ad826df4c62d3488da29dc7a527ec5977c54e02d091eec43803f20832de518b9f3069c396e
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MassLoggerBinUPDATEProizvodnja.exe
Filesize711KB
MD58bc40219a7641c3bcf72228173552977
SHA1ccd09865e9c7adc458a85b7638b7cd3e6a843d83
SHA2569e4cce1b23e7fdec9ab35c03326a7d3990aef52b7a5bce0d47d28bf8e56cfd6e
SHA512d6273cd78443faac11ddfe3dbfe3731d0243cd2454227153c71593ad826df4c62d3488da29dc7a527ec5977c54e02d091eec43803f20832de518b9f3069c396e