Analysis
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max time kernel
137s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 17:38
Static task
static1
Behavioral task
behavioral1
Sample
PURCHASE ORDER.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PURCHASE ORDER.exe
Resource
win10v2004-20240508-en
General
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Target
PURCHASE ORDER.exe
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Size
736KB
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MD5
4040a8de40f0006800a533514935fc9e
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SHA1
22c34025f63c530e24771121fe66599d892884f7
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SHA256
fc97ff4201a640898a0378c099732689b17f53c54ec77b1016705e96cd8938a8
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SHA512
c7689555042a33f63acddc207003196afe4e798626d9ef04bfbe2fa8a51186b6a4ff540c5e4f875b5d1f3709e93e05a9bff5247372ccf9944584642f70bc9cc3
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SSDEEP
12288:9Wj52E/UdqaW3gKQRy9sfvKMRRjkW3bFNoeCgQY5xy2/+c9n0w1cauh:Ij5GMNCvKIRRbvv5xyNw1ca0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.zrl.com.zm - Port:
587 - Username:
[email protected] - Password:
bhm#2315 - 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/3260-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation PURCHASE ORDER.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PURCHASE ORDER.exe Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PURCHASE ORDER.exe Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PURCHASE ORDER.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3016 set thread context of 3260 3016 PURCHASE ORDER.exe 98 -
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 3056 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3016 PURCHASE ORDER.exe 3016 PURCHASE ORDER.exe 3016 PURCHASE ORDER.exe 3016 PURCHASE ORDER.exe 3016 PURCHASE ORDER.exe 3016 PURCHASE ORDER.exe 3260 PURCHASE ORDER.exe 3260 PURCHASE ORDER.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3016 PURCHASE ORDER.exe Token: SeDebugPrivilege 3260 PURCHASE ORDER.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3260 PURCHASE ORDER.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3016 wrote to memory of 3056 3016 PURCHASE ORDER.exe 95 PID 3016 wrote to memory of 3056 3016 PURCHASE ORDER.exe 95 PID 3016 wrote to memory of 3056 3016 PURCHASE ORDER.exe 95 PID 3016 wrote to memory of 2296 3016 PURCHASE ORDER.exe 97 PID 3016 wrote to memory of 2296 3016 PURCHASE ORDER.exe 97 PID 3016 wrote to memory of 2296 3016 PURCHASE ORDER.exe 97 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 PID 3016 wrote to memory of 3260 3016 PURCHASE ORDER.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PURCHASE ORDER.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PURCHASE ORDER.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YtYFyHfQcbR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF8E.tmp"2⤵
- Creates scheduled task(s)
PID:3056
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C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"{path}"2⤵PID:2296
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C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3260
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
1KB
MD54df6c456f43d2c963a7affd39a951111
SHA1b24aab67d3ac9649f35f7e62d5987e80d40cfcfd
SHA2564345e998eb89f622b6135ef913621236ea6895410955c9d5913b80e8b8696848
SHA512f693dc14f064a0d016ab0c71604669a9a75a2a6fbf539edd192a062ccfa9733b9b0db42d6a8f4fd6c29b41c8ee881d21f887aa4bffefebf78f0decd6cbae2095