Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 01:02
Static task
static1
Behavioral task
behavioral1
Sample
Balance invoice.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Balance invoice.exe
Resource
win10v2004-20231127-en
General
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Target
Balance invoice.exe
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Size
665KB
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MD5
96f35afff27509e6f78a8add621120a7
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SHA1
1b095ff5a3ca286029c72dca0bdca94eeffac305
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SHA256
ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10
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SHA512
c27e90ce2e782f7a8dc3923e324aa654d9cd68554214438b9680003f98d1b0f9288cb7b2c601ccc084a82aa1db0e30ab89e485361c84e1b5521d13c9911fb6b2
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SSDEEP
12288:Aqc3+GCueH5qNvmL3z8pucAmKE4uqSAs1xVHel9C+0RU2IWUkRmLhR:A/uG2qc36uuKEBPNHelY+0pzNmz
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.elec-qatar.com - Port:
587 - Username:
[email protected] - Password:
MHabrar2019@# - 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.
Processes:
Balance invoice.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation Balance invoice.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
Processes:
Balance invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Balance invoice.exe Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Balance invoice.exe Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Balance invoice.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.
Processes:
flow ioc 50 api.ipify.org 49 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Balance invoice.exedescription pid process target process PID 2892 set thread context of 4256 2892 Balance invoice.exe Balance invoice.exe -
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.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exeBalance invoice.exepid process 2872 powershell.exe 2872 powershell.exe 4256 Balance invoice.exe 4256 Balance invoice.exe 4256 Balance invoice.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeBalance invoice.exedescription pid process Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 4256 Balance invoice.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Balance invoice.exepid process 4256 Balance invoice.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
Balance invoice.exedescription pid process target process PID 2892 wrote to memory of 2872 2892 Balance invoice.exe powershell.exe PID 2892 wrote to memory of 2872 2892 Balance invoice.exe powershell.exe PID 2892 wrote to memory of 2872 2892 Balance invoice.exe powershell.exe PID 2892 wrote to memory of 2344 2892 Balance invoice.exe schtasks.exe PID 2892 wrote to memory of 2344 2892 Balance invoice.exe schtasks.exe PID 2892 wrote to memory of 2344 2892 Balance invoice.exe schtasks.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe PID 2892 wrote to memory of 4256 2892 Balance invoice.exe Balance invoice.exe -
outlook_office_path 1 IoCs
Processes:
Balance invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Balance invoice.exe -
outlook_win_path 1 IoCs
Processes:
Balance invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Balance invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Balance invoice.exe"C:\Users\Admin\AppData\Local\Temp\Balance invoice.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AiCuUAmhRTLtO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2872 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AiCuUAmhRTLtO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1E8.tmp"2⤵
- Creates scheduled task(s)
PID:2344 -
C:\Users\Admin\AppData\Local\Temp\Balance invoice.exe"C:\Users\Admin\AppData\Local\Temp\Balance invoice.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4256
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5fa846a9a4700bc3ddcdc7d45c6ec5f13
SHA122bf90dc2230c4e2f08d759a9a9b94894fe790b7
SHA256851b623200a8967e632f9bb094fa87ebc456c9ee7ef48d0d84d91236c74c1d36
SHA5126fb2b9d676b89aaba50978f41b33eb69eafc81808e051442b1f265da60323b0cc5edbd218b3e86e930ba1d456a93e0d9672a341e8a12b7d060aed57e972c009a