Analysis
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max time kernel
142s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2023 07:55
Static task
static1
Behavioral task
behavioral1
Sample
Invoice 3892764.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Invoice 3892764.exe
Resource
win10v2004-20231127-en
General
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Target
Invoice 3892764.exe
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Size
790KB
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MD5
e87a53f8119728e8c0e5432276f1fbd9
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SHA1
617316663be1c8fe0a31d7e989ce7eae0a93e922
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SHA256
279479d7f8311dc31a6123bb46451795ae79864582bccee23e3262119a218f34
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SHA512
e02ea27617448d7193ed9f43cc0f93a68e1861bcb2697e0c0d069f9c3a83c93002ddeb9ccdb770a83f97cb590e6aa4f850951bde773a89caa68874418943b873
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SSDEEP
12288:asxTA6qNb5y7QsDzVlEcSqXbUsiaB3xeX2lfpuMtUzKVXPTt0uSax:lxs6koFzAcSS+aneX2lwMlVXPZMs
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.rmmarine.com.sg - Port:
587 - Username:
[email protected] - Password:
Rmms201809 - 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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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:
Invoice 3892764.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 3892764.exe Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 3892764.exe Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 3892764.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice 3892764.exedescription pid process target process PID 4140 set thread context of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Invoice 3892764.exepid process 4112 Invoice 3892764.exe 4112 Invoice 3892764.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Invoice 3892764.exedescription pid process Token: SeDebugPrivilege 4112 Invoice 3892764.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Invoice 3892764.exedescription pid process target process PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe PID 4140 wrote to memory of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe -
outlook_office_path 1 IoCs
Processes:
Invoice 3892764.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 3892764.exe -
outlook_win_path 1 IoCs
Processes:
Invoice 3892764.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice 3892764.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3