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Analysis
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max time kernel
70s -
max time network
6s -
platform
windows7_x64 -
resource
win7 -
submitted
09/07/2020, 14:56
Static task
static1
Behavioral task
behavioral1
Sample
remittance advice 7.9.20.exe
Resource
win7
General
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Target
remittance advice 7.9.20.exe
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Size
889KB
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MD5
aa54e572432813a7d322e244339aa7b6
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SHA1
dc66aef6d10872755dc4398c2915a5ec97054e17
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SHA256
cc71aaff5556a4053df2846a191ff63e54b3b10df75b98a3d8d5edc4c02c7d1b
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SHA512
52dbe880edb8cb74c3faef8a235d6e80947bd3ead4e3923a6577c39a467312a02ff99da95a6dafdf16d13e14b850ec1582ab9fe026658acba536f7b3e25280ab
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 8 IoCs
resource yara_rule behavioral1/memory/1196-1-0x00000000005621E0-mapping.dmp family_agenttesla behavioral1/memory/1196-3-0x0000000000400000-0x0000000000564000-memory.dmp family_agenttesla behavioral1/memory/1196-4-0x0000000001E20000-0x0000000001ECC000-memory.dmp family_agenttesla behavioral1/memory/1196-6-0x0000000001C90000-0x0000000001D35000-memory.dmp family_agenttesla behavioral1/memory/832-12-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/832-13-0x0000000000446E4E-mapping.dmp family_agenttesla behavioral1/memory/832-15-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/832-16-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
pid Process 832 InstallUtil.exe -
resource yara_rule behavioral1/memory/1196-0-0x0000000000400000-0x0000000000564000-memory.dmp upx behavioral1/memory/1196-2-0x0000000000400000-0x0000000000564000-memory.dmp upx behavioral1/memory/1196-3-0x0000000000400000-0x0000000000564000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 1196 remittance advice 7.9.20.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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1104 set thread context of 1196 1104 remittance advice 7.9.20.exe 24 PID 1196 set thread context of 832 1196 remittance advice 7.9.20.exe 25 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1104 remittance advice 7.9.20.exe 1196 remittance advice 7.9.20.exe 1196 remittance advice 7.9.20.exe 1196 remittance advice 7.9.20.exe 832 InstallUtil.exe 832 InstallUtil.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1104 remittance advice 7.9.20.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1196 remittance advice 7.9.20.exe Token: SeDebugPrivilege 832 InstallUtil.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1104 wrote to memory of 1196 1104 remittance advice 7.9.20.exe 24 PID 1104 wrote to memory of 1196 1104 remittance advice 7.9.20.exe 24 PID 1104 wrote to memory of 1196 1104 remittance advice 7.9.20.exe 24 PID 1104 wrote to memory of 1196 1104 remittance advice 7.9.20.exe 24 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25 PID 1196 wrote to memory of 832 1196 remittance advice 7.9.20.exe 25
Processes
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C:\Users\Admin\AppData\Local\Temp\remittance advice 7.9.20.exe"C:\Users\Admin\AppData\Local\Temp\remittance advice 7.9.20.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\AppData\Local\Temp\remittance advice 7.9.20.exe"C:\Users\Admin\AppData\Local\Temp\remittance advice 7.9.20.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:832
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