Analysis
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max time kernel
91s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 14:01
Static task
static1
Behavioral task
behavioral1
Sample
payment advise.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
payment advise.exe
Resource
win10v20210410
General
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Target
payment advise.exe
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Size
927KB
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MD5
be85265738633fe3cd59f95bab85bddb
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SHA1
73b701dafe47b4da709a349dfe24ac87a08abfe7
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SHA256
7729f33528cbe1b6f4c4f5e695798b1561a2c2c615a88cfbc495254dd93ab81a
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SHA512
f0c748030685272fda45d161226c2680a402c0776e902129e384f4ab7e76348af8e003f876dc090066ade26324a2d150f2ee9989ae2b3df6f2cd636d7762ab94
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
paola.micheli@copangroup.xyz - Password:
gibson.1990
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/2336-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2336-125-0x000000000043760E-mapping.dmp family_agenttesla behavioral2/memory/2336-131-0x00000000056A0000-0x0000000005B9E000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
payment advise.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts payment advise.exe -
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 advise.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" payment advise.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment advise.exedescription pid process target process PID 3944 set thread context of 2336 3944 payment advise.exe payment advise.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
payment advise.exepid process 2336 payment advise.exe 2336 payment advise.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
payment advise.exedescription pid process Token: SeDebugPrivilege 2336 payment advise.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
payment advise.exedescription pid process target process PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe PID 3944 wrote to memory of 2336 3944 payment advise.exe payment advise.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment advise.exe"C:\Users\Admin\AppData\Local\Temp\payment advise.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\payment advise.exe"C:\Users\Admin\AppData\Local\Temp\payment advise.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- 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\payment advise.exe.logMD5
cd6a7ef88aaff4e17c603a213131c2c7
SHA1603f96001fc4798064b35e699a46da82849c1422
SHA2568aac4ffc0fc50f238b81ebd0514d2fdc8b577b09c544e233d8ec6158b12d1d21
SHA51208bbd52c32b5ef9a58c2d0857b3f56fccab9502bd38133f01e1579c48b267f29486941547477d1dbfbbb9155ddc9ec703a5fc5de5ad60a31f60103f3fec5efaf
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memory/2336-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2336-135-0x0000000005820000-0x0000000005821000-memory.dmpFilesize
4KB
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memory/2336-133-0x0000000006300000-0x0000000006301000-memory.dmpFilesize
4KB
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memory/2336-132-0x0000000005720000-0x0000000005721000-memory.dmpFilesize
4KB
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memory/2336-131-0x00000000056A0000-0x0000000005B9E000-memory.dmpFilesize
5.0MB
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memory/2336-125-0x000000000043760E-mapping.dmp
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memory/3944-119-0x00000000054D0000-0x00000000054D1000-memory.dmpFilesize
4KB
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memory/3944-123-0x0000000005050000-0x000000000505F000-memory.dmpFilesize
60KB
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memory/3944-122-0x0000000004FC0000-0x0000000004FC1000-memory.dmpFilesize
4KB
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memory/3944-121-0x0000000005110000-0x0000000005111000-memory.dmpFilesize
4KB
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memory/3944-120-0x0000000005070000-0x0000000005071000-memory.dmpFilesize
4KB
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memory/3944-114-0x0000000000580000-0x0000000000581000-memory.dmpFilesize
4KB
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memory/3944-118-0x0000000004EF0000-0x0000000004F58000-memory.dmpFilesize
416KB
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memory/3944-117-0x0000000004DF0000-0x0000000004DF1000-memory.dmpFilesize
4KB
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memory/3944-116-0x0000000004E50000-0x0000000004E51000-memory.dmpFilesize
4KB