Analysis
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max time kernel
123s -
max time network
125s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
20-10-2021 13:05
Static task
static1
Behavioral task
behavioral1
Sample
JN4r2iahE9sIaCL.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
JN4r2iahE9sIaCL.exe
Resource
win10-en-20211014
General
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Target
JN4r2iahE9sIaCL.exe
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Size
701KB
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MD5
3a88f3cc4d324980561894168eea795f
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SHA1
36ccc893199587ee6ebe7642ace1257c4873ed2b
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SHA256
586fea3f49450c26e13546dd5c6f5c04744a3f807511ad587bceab7acc58c40c
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SHA512
96161cd4847d52afa8edc9cae70d93dbc1c1a797b6948c6b75fb6796858a70dd3d89e516ee25b7f0c8122bbfc705264284f85a19c3d355a3ec58a29c3ad75b4e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.hoteltalabart.cat - Port:
587 - Username:
[email protected] - Password:
Jackdaniels_1
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/2160-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2160-127-0x000000000043750E-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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
JN4r2iahE9sIaCL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JN4r2iahE9sIaCL.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JN4r2iahE9sIaCL.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JN4r2iahE9sIaCL.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
JN4r2iahE9sIaCL.exedescription pid process target process PID 2720 set thread context of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
JN4r2iahE9sIaCL.exeJN4r2iahE9sIaCL.exepid process 2720 JN4r2iahE9sIaCL.exe 2160 JN4r2iahE9sIaCL.exe 2160 JN4r2iahE9sIaCL.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
JN4r2iahE9sIaCL.exeJN4r2iahE9sIaCL.exedescription pid process Token: SeDebugPrivilege 2720 JN4r2iahE9sIaCL.exe Token: SeDebugPrivilege 2160 JN4r2iahE9sIaCL.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
JN4r2iahE9sIaCL.exedescription pid process target process PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe PID 2720 wrote to memory of 2160 2720 JN4r2iahE9sIaCL.exe JN4r2iahE9sIaCL.exe -
outlook_office_path 1 IoCs
Processes:
JN4r2iahE9sIaCL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JN4r2iahE9sIaCL.exe -
outlook_win_path 1 IoCs
Processes:
JN4r2iahE9sIaCL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JN4r2iahE9sIaCL.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JN4r2iahE9sIaCL.exe"C:\Users\Admin\AppData\Local\Temp\JN4r2iahE9sIaCL.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Users\Admin\AppData\Local\Temp\JN4r2iahE9sIaCL.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2160
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JN4r2iahE9sIaCL.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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memory/2160-126-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2160-135-0x0000000005FE0000-0x0000000005FE1000-memory.dmpFilesize
4KB
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memory/2160-134-0x0000000005440000-0x0000000005441000-memory.dmpFilesize
4KB
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memory/2160-133-0x0000000005380000-0x0000000005381000-memory.dmpFilesize
4KB
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memory/2160-127-0x000000000043750E-mapping.dmp
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memory/2720-120-0x0000000004F50000-0x000000000544E000-memory.dmpFilesize
5.0MB
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memory/2720-123-0x0000000005150000-0x000000000515E000-memory.dmpFilesize
56KB
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memory/2720-124-0x00000000088E0000-0x000000000895E000-memory.dmpFilesize
504KB
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memory/2720-125-0x0000000000E20000-0x0000000000E58000-memory.dmpFilesize
224KB
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memory/2720-122-0x0000000005170000-0x0000000005171000-memory.dmpFilesize
4KB
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memory/2720-121-0x0000000004DF0000-0x0000000004DF1000-memory.dmpFilesize
4KB
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memory/2720-115-0x00000000003F0000-0x00000000003F1000-memory.dmpFilesize
4KB
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memory/2720-119-0x0000000004F50000-0x0000000004F51000-memory.dmpFilesize
4KB
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memory/2720-118-0x0000000005450000-0x0000000005451000-memory.dmpFilesize
4KB
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memory/2720-117-0x0000000004E60000-0x0000000004E61000-memory.dmpFilesize
4KB