Analysis
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max time kernel
141s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2023 14:11
Behavioral task
behavioral1
Sample
DHL RPA GRBP Template.pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
DHL RPA GRBP Template.pdf.exe
Resource
win10v2004-20230220-en
General
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Target
DHL RPA GRBP Template.pdf.exe
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Size
13KB
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MD5
0aa04f249eaece97140ad4ff7bc00420
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SHA1
4cb79679a05b197ba21489fc362e0d91ae2c3b06
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SHA256
9ed9d37ed2bad5f93fe5f80d396c6a075be44a60312ea033a8d4eb3be772b4f9
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SHA512
e5a4e704f9919d55398bfb9fe3f98729084b531d4ffaf5ccf59eef83b190827f8d80c60e0e676d56c36bdff019499483b10851288b2f84f922f18c182b4b5599
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SSDEEP
192:k0OejvqLK915glsNhYkCeXicN+gp7cCBR2D9UFay:klLaTglsNvCeXicNrZO9UFa
Malware Config
Extracted
purecrypter
https://onedrive.live.com/download?cid=0D0FBFD7EE8A13AB&resid=D0FBFD7EE8A13AB%21212&authkey=AAMJbAVJ3CQXG7o
Extracted
agenttesla
https://api.telegram.org/bot6261426177:AAGKVvStJVx3AbPod6gVs0gLfIFG75EuCzc/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation DHL RPA GRBP Template.pdf.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 55 api.ipify.org 56 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4680 set thread context of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1480 powershell.exe 1480 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4680 DHL RPA GRBP Template.pdf.exe Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 3296 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3296 MSBuild.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4680 wrote to memory of 1480 4680 DHL RPA GRBP Template.pdf.exe 83 PID 4680 wrote to memory of 1480 4680 DHL RPA GRBP Template.pdf.exe 83 PID 4680 wrote to memory of 1480 4680 DHL RPA GRBP Template.pdf.exe 83 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 PID 4680 wrote to memory of 3296 4680 DHL RPA GRBP Template.pdf.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL RPA GRBP Template.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL RPA GRBP Template.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1480
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3296
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82