Analysis
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max time kernel
138s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 18:19
Static task
static1
Behavioral task
behavioral1
Sample
6ufxz8ps3Mbqhxn.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
6ufxz8ps3Mbqhxn.exe
Resource
win10v20210410
General
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Target
6ufxz8ps3Mbqhxn.exe
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Size
644KB
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MD5
c253f7490b6837696d2a3108063b1759
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SHA1
5e638bdae86a9fa81e53085f345c117a21510c24
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SHA256
3989e4bbaeab65af22040deae65366ea0b0091b8baf47093fe8147a8eb8187da
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SHA512
73bf7b6be7b7fa727ce69203924989c5049b3daffc80f8404638f3010c0dab05e770f5362d8ba01521c89523a9c87ea52b4d976f60edcde34943a5c7cd71ef2d
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
vor007@vivaldi.net - Password:
Temporal2018*
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1248-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1248-126-0x000000000043751E-mapping.dmp family_agenttesla behavioral2/memory/1248-132-0x0000000004DB0000-0x00000000052AE000-memory.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:
6ufxz8ps3Mbqhxn.exedescription pid process target process PID 500 set thread context of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
6ufxz8ps3Mbqhxn.exepid process 1248 6ufxz8ps3Mbqhxn.exe 1248 6ufxz8ps3Mbqhxn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6ufxz8ps3Mbqhxn.exedescription pid process Token: SeDebugPrivilege 1248 6ufxz8ps3Mbqhxn.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6ufxz8ps3Mbqhxn.exedescription pid process target process PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe PID 500 wrote to memory of 1248 500 6ufxz8ps3Mbqhxn.exe 6ufxz8ps3Mbqhxn.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6ufxz8ps3Mbqhxn.exe"C:\Users\Admin\AppData\Local\Temp\6ufxz8ps3Mbqhxn.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6ufxz8ps3Mbqhxn.exe"C:\Users\Admin\AppData\Local\Temp\6ufxz8ps3Mbqhxn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6ufxz8ps3Mbqhxn.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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memory/500-119-0x0000000004D90000-0x0000000004D91000-memory.dmpFilesize
4KB
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memory/500-124-0x0000000007420000-0x0000000007459000-memory.dmpFilesize
228KB
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memory/500-118-0x0000000004F20000-0x0000000004F21000-memory.dmpFilesize
4KB
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memory/500-114-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
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memory/500-120-0x0000000005080000-0x0000000005081000-memory.dmpFilesize
4KB
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memory/500-121-0x0000000004D00000-0x0000000004D9C000-memory.dmpFilesize
624KB
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memory/500-117-0x0000000005380000-0x0000000005381000-memory.dmpFilesize
4KB
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memory/500-123-0x00000000073A0000-0x0000000007412000-memory.dmpFilesize
456KB
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memory/500-122-0x0000000005320000-0x000000000533B000-memory.dmpFilesize
108KB
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memory/500-116-0x0000000004DA0000-0x0000000004DA1000-memory.dmpFilesize
4KB
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memory/1248-126-0x000000000043751E-mapping.dmp
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memory/1248-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1248-132-0x0000000004DB0000-0x00000000052AE000-memory.dmpFilesize
4MB
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memory/1248-133-0x00000000051D0000-0x00000000051D1000-memory.dmpFilesize
4KB
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memory/1248-134-0x0000000005AA0000-0x0000000005AA1000-memory.dmpFilesize
4KB