Analysis
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max time kernel
148s -
max time network
200s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 14:50
Static task
static1
Behavioral task
behavioral1
Sample
TH PG FORM E DRAFT FOR CEI2303125.pdf.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
TH PG FORM E DRAFT FOR CEI2303125.pdf.exe
Resource
win10v2004-20230915-en
General
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Target
TH PG FORM E DRAFT FOR CEI2303125.pdf.exe
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Size
988KB
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MD5
06d1f96907c8265da37dfd9dcce3bff3
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SHA1
df6e90bc4534b80433b045ba767d62d3f170ae6e
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SHA256
1934c9d93e6a4198e68757441c611e6c31306b38aeec33a5f1f6c09f1f8ce466
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SHA512
3b7562f2a03037ce2b4c3fdf5f5391ba8036697939d336f9b23a835d717297397f32e65815cfb55c949822012200cdd89a7ea95db6269488eb391b0911917aa8
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SSDEEP
12288:OWoCRCrFF1HvV7J9BEMF/UTpUMCyrxLxoWMLI8N2RMXmPqpYyEiGen55bQ+k9iFs:BoCRC77J9tGtWINag
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.unitechautomations.com - Port:
587 - Username:
[email protected] - Password:
Unitech@123 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation TH PG FORM E DRAFT FOR CEI2303125.pdf.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vlflvDv = "C:\\Users\\Admin\\AppData\\Roaming\\vlflvDv\\vlflvDv.exe" RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 66 api.ipify.org 68 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4028 set thread context of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3228 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 3996 RegSvcs.exe 3996 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe Token: SeDebugPrivilege 3996 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4028 wrote to memory of 3228 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 94 PID 4028 wrote to memory of 3228 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 94 PID 4028 wrote to memory of 3228 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 94 PID 4028 wrote to memory of 908 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 97 PID 4028 wrote to memory of 908 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 97 PID 4028 wrote to memory of 908 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 97 PID 4028 wrote to memory of 4700 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 99 PID 4028 wrote to memory of 4700 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 99 PID 4028 wrote to memory of 4700 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 99 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 PID 4028 wrote to memory of 3996 4028 TH PG FORM E DRAFT FOR CEI2303125.pdf.exe 100 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\TH PG FORM E DRAFT FOR CEI2303125.pdf.exe"C:\Users\Admin\AppData\Local\Temp\TH PG FORM E DRAFT FOR CEI2303125.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XPiLdxbVZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5D5.tmp"2⤵
- Creates scheduled task(s)
PID:3228
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:908
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:4700
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"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:3996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD565f1a34c55576f857779d7b8ba017f24
SHA17290ffda1d868354034100ddb03b6d8490e6675f
SHA256621418cc82231936345388a5160ffda4aff4e66d571b5bb841987a961dfe989a
SHA512e144572b20b831715d9f5be0301d74a15c7dff8cd4c0fac5b969db1d55139c235a4709051a5800d445ae6ec0857529e1c59be5dfabc11f6b37dd202615f58253