Analysis
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max time kernel
119s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22/03/2023, 13:13
Static task
static1
Behavioral task
behavioral1
Sample
DHL Confirmation AWB200519089966.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
DHL Confirmation AWB200519089966.exe
Resource
win10v2004-20230220-en
General
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Target
DHL Confirmation AWB200519089966.exe
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Size
788KB
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MD5
7b27f3ba2751b9eb00f4ff7bee50acae
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SHA1
155b2977eb76171d1709c923df1f35b7e02b262c
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SHA256
4f72f52545b73d039d37755b2f7c1aecea39abd72fa0dedf8081a03439406ab5
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SHA512
f603c153b75f86997d587390f17a240ba3908b00173f83ec460e47207a7b9381d6bdb727ca75ec45a7cdcc223002540642ff4e1491a7650ec81c585e83a44f80
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SSDEEP
12288:tyLttx8pfCqPNSXAtOOlbwaIWy5yw2RmNSlE3H4NW7GrRyb9:3pfCWtbbwSDw23EX4NW7GrRyh
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.shekharlogistics.com - Port:
587 - Username:
[email protected] - Password:
asm@1234 - 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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AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/2036-140-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation DHL Confirmation AWB200519089966.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 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2696 set thread context of 2036 2696 DHL Confirmation AWB200519089966.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 4616 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2696 DHL Confirmation AWB200519089966.exe 2036 RegSvcs.exe 2036 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2696 DHL Confirmation AWB200519089966.exe Token: SeDebugPrivilege 2036 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2696 wrote to memory of 4616 2696 DHL Confirmation AWB200519089966.exe 92 PID 2696 wrote to memory of 4616 2696 DHL Confirmation AWB200519089966.exe 92 PID 2696 wrote to memory of 4616 2696 DHL Confirmation AWB200519089966.exe 92 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 PID 2696 wrote to memory of 2036 2696 DHL Confirmation AWB200519089966.exe 94 -
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 RegSvcs.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 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Confirmation AWB200519089966.exe"C:\Users\Admin\AppData\Local\Temp\DHL Confirmation AWB200519089966.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZUeRqD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE3F.tmp"2⤵
- Creates scheduled task(s)
PID:4616
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2036
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD59a8c1aec1d4b7c1ed268f3f28b6e33af
SHA1fcb948b08d295cda4e779128713663cb4eeb55b5
SHA25622866ea944e6fa82ddf795dc26588dde1f4d0b36e9f8366897e9ef89c50ca677
SHA51297a2ca3b60cfba12f7182a1df8a4928c51dcc460d244f590bfcc8d68a8ca142878eb2107bbbf7a6e056fdc7bb0f674c7257b34318df96bf72b4708ee6285b8f9