Analysis
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max time kernel
142s -
max time network
150s -
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 09:29
Static task
static1
Behavioral task
behavioral1
Sample
RFQ_20231201-876678xls.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
RFQ_20231201-876678xls.exe
Resource
win10v2004-20231127-en
General
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Target
RFQ_20231201-876678xls.exe
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Size
680KB
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MD5
967eb9fa0ce5f1ec2b6b132728fc6e07
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SHA1
58d29f3b5463467cfd666b8b1b79bbec930f0d66
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SHA256
1c6dffa90d393fdcc2db9e1cf8af2c557129bb4afadb04d87969ad3edd10ffc3
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SHA512
6960fe8f82db6c3e020be07fc6147361c8ba4966293c761255156bd6e32025d203290f3c39d535dde60078addd9cc99f461adc793605a28f996331cd6f829ad1
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SSDEEP
12288:tCIEJjIu1KPsUDMy1+TiReOE1rUxsLINxW/9AFItaGeGQwmEBK:7EJHKPrWiRMV0Ne9A6sdGQwmEc
Malware Config
Extracted
Protocol: ftp- Host:
ftp.dzine.com.tr - Port:
21 - Username:
dzinecom - Password:
Dzine21.
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.dzine.com.tr - Port:
21 - Username:
dzinecom - Password:
Dzine21.
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 27 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ_20231201-876678xls.exedescription pid process target process PID 4424 set thread context of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
RFQ_20231201-876678xls.exeRFQ_20231201-876678xls.exepid process 4424 RFQ_20231201-876678xls.exe 4424 RFQ_20231201-876678xls.exe 1060 RFQ_20231201-876678xls.exe 1060 RFQ_20231201-876678xls.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RFQ_20231201-876678xls.exeRFQ_20231201-876678xls.exedescription pid process Token: SeDebugPrivilege 4424 RFQ_20231201-876678xls.exe Token: SeDebugPrivilege 1060 RFQ_20231201-876678xls.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RFQ_20231201-876678xls.exepid process 1060 RFQ_20231201-876678xls.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
RFQ_20231201-876678xls.exedescription pid process target process PID 4424 wrote to memory of 2696 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 2696 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 2696 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe PID 4424 wrote to memory of 1060 4424 RFQ_20231201-876678xls.exe RFQ_20231201-876678xls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ_20231201-876678xls.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_20231201-876678xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Users\Admin\AppData\Local\Temp\RFQ_20231201-876678xls.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_20231201-876678xls.exe"2⤵PID:2696
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C:\Users\Admin\AppData\Local\Temp\RFQ_20231201-876678xls.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_20231201-876678xls.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3