Analysis
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max time kernel
147s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2023 01:02
Static task
static1
Behavioral task
behavioral1
Sample
payment slip copy.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
payment slip copy.exe
Resource
win10v2004-20231127-en
General
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Target
payment slip copy.exe
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Size
868KB
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MD5
cf262eb3fb280d9eb218f99c724437ce
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SHA1
ae94b55f84ddf2509d020ef59f7b81c04c524443
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SHA256
cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec
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SHA512
91019817d84976bbb1d651212b00f741e80aa3b57edfceba093c8ab7f2e27f24a49edadb968dffc21e432395933e34e74d628ff5cb69266702c054dce45cf566
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SSDEEP
12288:0WyzRXfVVacmd2nTDxoxOFR5Lp5KjpuSkbdeBPzzQ8xH0g:nyzR9VTmdKTDWxOdYpQpe
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
xySnlUr9
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
xySnlUr9 - 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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Detect ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral2/memory/4780-2-0x0000000004E60000-0x0000000004F08000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-4-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-5-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-7-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-9-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-11-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-13-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-15-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-17-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-19-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-21-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-23-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-33-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-39-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-37-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-41-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-35-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-31-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-43-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-29-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-27-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-45-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-25-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-47-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-49-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-51-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-53-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-57-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-61-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-63-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-65-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-59-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-67-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 behavioral2/memory/4780-55-0x0000000004E60000-0x0000000004F02000-memory.dmp family_zgrat_v1 -
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
payment slip copy.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mYdNQj = "C:\\Users\\Admin\\AppData\\Roaming\\mYdNQj\\mYdNQj.exe" payment slip copy.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 39 api.ipify.org 40 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment slip copy.exedescription pid process target process PID 4780 set thread context of 1976 4780 payment slip copy.exe payment slip copy.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
payment slip copy.exepid process 1976 payment slip copy.exe 1976 payment slip copy.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
payment slip copy.exepayment slip copy.exedescription pid process Token: SeDebugPrivilege 4780 payment slip copy.exe Token: SeDebugPrivilege 1976 payment slip copy.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
payment slip copy.exepid process 1976 payment slip copy.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
payment slip copy.exedescription pid process target process PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe PID 4780 wrote to memory of 1976 4780 payment slip copy.exe payment slip copy.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment slip copy.exe"C:\Users\Admin\AppData\Local\Temp\payment slip copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Users\Admin\AppData\Local\Temp\payment slip copy.exe"C:\Users\Admin\AppData\Local\Temp\payment slip copy.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
927B
MD5ef1b4e3bfd6facbbb8d6a12f5f5e32de
SHA18f3ef66bf86f1697c520303c78b11d58165d146f
SHA256c652040e1a2f251b1b9e69419d6a53a91e850ea48491b3c54c2ff4a4a2907cd1
SHA512b6329c2a18217008c5e3544313cd1c7135468c5fb45e5104b9fa2f55a1f14804e66b6b9afcaa8e813cb522f536c06dba32f3afd469c4958a7c57d7df4c0e7315