Analysis
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max time kernel
118s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18/05/2024, 18:32
Static task
static1
Behavioral task
behavioral1
Sample
dhl_Ref_AWB#4547028900pdf.exe
Resource
win7-20240221-en
General
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Target
dhl_Ref_AWB#4547028900pdf.exe
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Size
695KB
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MD5
0db822fa626ab44ce58958e45d439a20
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SHA1
a674592f7f01a24fa85838d3d697fea11779e3a2
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SHA256
e3bfec7bab88ff2b0389ee7850b548413607b9074912eca507c09737d93d3a14
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SHA512
a61f02a8d5809ec453eb507857cf2975e3c7b78bb278cede64719084d4787fd2ae8acae9d35badf9dd617a19662df676fb87fe8450ab408a2a436f2eb9d4438d
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SSDEEP
12288:BdrLbDZaNRpbgoxpz+hKuhyoQ3UlC+adAhV92LhkAr2YUjsxL7glIhr3qA:bLDZMRpMCBezZ82N26Arh1xLXLqA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
ifeanyi@12 - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2516 powershell.exe 2528 powershell.exe -
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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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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2504 set thread context of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 -
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 2652 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2504 dhl_Ref_AWB#4547028900pdf.exe 2504 dhl_Ref_AWB#4547028900pdf.exe 1600 dhl_Ref_AWB#4547028900pdf.exe 1600 dhl_Ref_AWB#4547028900pdf.exe 2516 powershell.exe 2528 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2504 dhl_Ref_AWB#4547028900pdf.exe Token: SeDebugPrivilege 1600 dhl_Ref_AWB#4547028900pdf.exe Token: SeDebugPrivilege 2528 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1600 dhl_Ref_AWB#4547028900pdf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2516 2504 dhl_Ref_AWB#4547028900pdf.exe 28 PID 2504 wrote to memory of 2516 2504 dhl_Ref_AWB#4547028900pdf.exe 28 PID 2504 wrote to memory of 2516 2504 dhl_Ref_AWB#4547028900pdf.exe 28 PID 2504 wrote to memory of 2516 2504 dhl_Ref_AWB#4547028900pdf.exe 28 PID 2504 wrote to memory of 2528 2504 dhl_Ref_AWB#4547028900pdf.exe 30 PID 2504 wrote to memory of 2528 2504 dhl_Ref_AWB#4547028900pdf.exe 30 PID 2504 wrote to memory of 2528 2504 dhl_Ref_AWB#4547028900pdf.exe 30 PID 2504 wrote to memory of 2528 2504 dhl_Ref_AWB#4547028900pdf.exe 30 PID 2504 wrote to memory of 2652 2504 dhl_Ref_AWB#4547028900pdf.exe 32 PID 2504 wrote to memory of 2652 2504 dhl_Ref_AWB#4547028900pdf.exe 32 PID 2504 wrote to memory of 2652 2504 dhl_Ref_AWB#4547028900pdf.exe 32 PID 2504 wrote to memory of 2652 2504 dhl_Ref_AWB#4547028900pdf.exe 32 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34 PID 2504 wrote to memory of 1600 2504 dhl_Ref_AWB#4547028900pdf.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\dhl_Ref_AWB#4547028900pdf.exe"C:\Users\Admin\AppData\Local\Temp\dhl_Ref_AWB#4547028900pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\dhl_Ref_AWB#4547028900pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DmPRZWRRivRIb.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2528
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DmPRZWRRivRIb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC735.tmp"2⤵
- Creates scheduled task(s)
PID:2652
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C:\Users\Admin\AppData\Local\Temp\dhl_Ref_AWB#4547028900pdf.exe"C:\Users\Admin\AppData\Local\Temp\dhl_Ref_AWB#4547028900pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1600
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD50ca1ab20e6c86f760f90ed28956f9be6
SHA18509054623dbfc30d1afd825783b79236e77d750
SHA2563baac01d384791904d1b5ebbfa58fb5f5959465f40132fc20337aaef300588c8
SHA512d1511b78754431119ff8a3ab9b46383dfc399a9a9757b65223b02c8e26d8535a53f88d11d1fd293f175d82e0132b3c15fc3db39cb70fd7c9c7d2bfee1dac34f3
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5b72fb648dbd6dae49dc84fe5e4f89254
SHA1ac7a10250b3325ff20f0a03f6beaaf3eff9f4354
SHA2561b3b90a8e23f09ad6a20bf95d0e4aae5a61687b1dbccca2332c8d03b17bd3fa4
SHA512e446171b91be4be2c6d8c7e4ccdb3b4ffd1dbb452897551f2a51f6a87d4538d179c861eedbd6ebcb3a0c8ab1fb9cc762a2f700cc055f6e417681a6400d29ffad