Analysis
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max time kernel
150s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
27-01-2021 07:29
Static task
static1
Behavioral task
behavioral1
Sample
Invoice-3990993.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Invoice-3990993.exe
Resource
win10v20201028
General
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Target
Invoice-3990993.exe
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Size
582KB
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MD5
c240ecb4d6da455111dca9256dcd3604
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SHA1
de229f907f93f89d5fe10828fa7e8034e70cda55
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SHA256
4730211b41726d261fe9f81bbbacd224b2659f9f05909395f8492adf187d8666
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SHA512
28ff87cdbc0d40702122818592a197e92d637947b7591c785d34c7b37175061206683dc3ff57918a50de021841bf33d1aba13275f2fc4337b6c19e4c19adaacf
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.hybridgroupco.com - Port:
587 - Username:
[email protected] - Password:
Money123@@@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1892-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1892-14-0x00000000004375EE-mapping.dmp family_agenttesla -
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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice-3990993.exedescription pid process target process PID 4052 set thread context of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Invoice-3990993.exepid process 1892 Invoice-3990993.exe 1892 Invoice-3990993.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Invoice-3990993.exedescription pid process Token: SeDebugPrivilege 1892 Invoice-3990993.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Invoice-3990993.exedescription pid process target process PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe PID 4052 wrote to memory of 1892 4052 Invoice-3990993.exe Invoice-3990993.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice-3990993.exe"C:\Users\Admin\AppData\Local\Temp\Invoice-3990993.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice-3990993.exe"C:\Users\Admin\AppData\Local\Temp\Invoice-3990993.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice-3990993.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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memory/1892-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1892-23-0x0000000005B80000-0x0000000005B81000-memory.dmpFilesize
4KB
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memory/1892-22-0x00000000054E0000-0x00000000054E1000-memory.dmpFilesize
4KB
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memory/1892-20-0x0000000005020000-0x0000000005021000-memory.dmpFilesize
4KB
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memory/1892-16-0x0000000073820000-0x0000000073F0E000-memory.dmpFilesize
6.9MB
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memory/1892-14-0x00000000004375EE-mapping.dmp
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memory/4052-7-0x0000000005030000-0x0000000005031000-memory.dmpFilesize
4KB
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memory/4052-11-0x00000000051C0000-0x00000000051C3000-memory.dmpFilesize
12KB
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memory/4052-12-0x0000000005CA0000-0x0000000005D0C000-memory.dmpFilesize
432KB
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memory/4052-10-0x00000000051F0000-0x00000000051F1000-memory.dmpFilesize
4KB
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memory/4052-9-0x0000000005280000-0x0000000005281000-memory.dmpFilesize
4KB
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memory/4052-8-0x0000000004EE0000-0x0000000004EE1000-memory.dmpFilesize
4KB
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memory/4052-2-0x0000000073820000-0x0000000073F0E000-memory.dmpFilesize
6.9MB
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memory/4052-6-0x0000000005530000-0x0000000005531000-memory.dmpFilesize
4KB
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memory/4052-5-0x0000000004F90000-0x0000000004F91000-memory.dmpFilesize
4KB
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memory/4052-3-0x0000000000640000-0x0000000000641000-memory.dmpFilesize
4KB