Analysis
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max time kernel
62s -
max time network
55s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 13:23
Static task
static1
Behavioral task
behavioral1
Sample
purchase_order T&B19-20PO128.pdf.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
purchase_order T&B19-20PO128.pdf.exe
Resource
win10v2004-20240419-en
General
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Target
purchase_order T&B19-20PO128.pdf.exe
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Size
539KB
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MD5
9eec1064506c06de9bbaf14f53b7c5d3
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SHA1
496020ae9f009e860cc34e4f7f589752205d0d5a
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SHA256
d1248b99698d1efcfddacc89384b3df62e8dce35251d7a96dbb13cd31b30f853
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SHA512
045cce9c17fd98029965655140ce795be9f50d9273c0d95302f3b78d4a0712996ce751c7e62ddf5b49582e515b1c2b645a08b91f04aa6a9b69b5db868bdb5e87
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SSDEEP
12288:ncXeKbnWfOOCA+YzSFzRqoYv4MP7r9r/+ppppppppppppppppppppppppppppp0G:nPVC7Bzu1q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
webmaster - 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 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
purchase_order T&B19-20PO128.pdf.exedescription pid process target process PID 3676 set thread context of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
purchase_order T&B19-20PO128.pdf.exepid process 3428 purchase_order T&B19-20PO128.pdf.exe 3428 purchase_order T&B19-20PO128.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
purchase_order T&B19-20PO128.pdf.exedescription pid process Token: SeDebugPrivilege 3428 purchase_order T&B19-20PO128.pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
purchase_order T&B19-20PO128.pdf.exedescription pid process target process PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe PID 3676 wrote to memory of 3428 3676 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3428-8-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/3428-16-0x0000000004DB0000-0x0000000004DC0000-memory.dmpFilesize
64KB
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memory/3428-15-0x00000000745C0000-0x0000000074D70000-memory.dmpFilesize
7.7MB
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memory/3428-14-0x0000000006870000-0x000000000690C000-memory.dmpFilesize
624KB
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memory/3428-13-0x0000000006780000-0x00000000067D0000-memory.dmpFilesize
320KB
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memory/3428-11-0x0000000004F30000-0x0000000004F96000-memory.dmpFilesize
408KB
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memory/3428-10-0x0000000004DB0000-0x0000000004DC0000-memory.dmpFilesize
64KB
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memory/3428-9-0x00000000745C0000-0x0000000074D70000-memory.dmpFilesize
7.7MB
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memory/3676-4-0x0000000005210000-0x0000000005220000-memory.dmpFilesize
64KB
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memory/3676-7-0x00000000052F0000-0x00000000052FA000-memory.dmpFilesize
40KB
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memory/3676-6-0x0000000005310000-0x0000000005364000-memory.dmpFilesize
336KB
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memory/3676-5-0x0000000005300000-0x000000000530A000-memory.dmpFilesize
40KB
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memory/3676-12-0x00000000745C0000-0x0000000074D70000-memory.dmpFilesize
7.7MB
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memory/3676-0-0x0000000000920000-0x00000000009AC000-memory.dmpFilesize
560KB
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memory/3676-3-0x0000000005240000-0x00000000052D2000-memory.dmpFilesize
584KB
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memory/3676-2-0x0000000005930000-0x0000000005ED4000-memory.dmpFilesize
5.6MB
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memory/3676-1-0x00000000745C0000-0x0000000074D70000-memory.dmpFilesize
7.7MB