Analysis
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max time kernel
138s -
max time network
142s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
08-07-2020 06:32
Static task
static1
Behavioral task
behavioral1
Sample
29064fb18f50288094c9688fb4041c42.exe
Resource
win7
Behavioral task
behavioral2
Sample
29064fb18f50288094c9688fb4041c42.exe
Resource
win10v200430
General
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Target
29064fb18f50288094c9688fb4041c42.exe
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Size
710KB
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MD5
29064fb18f50288094c9688fb4041c42
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SHA1
034d04efcdf883da3fc63f17c5b161d89cfe9633
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SHA256
4dd90f817154b87c0269aabb51365dfa4c57896449642d178ad19891e52b5aff
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SHA512
cdb9e072e1e3bf8e80e3dda73ac4655e01217b7c08744c39acd69e034d98b913f08428e613cf6a2313cace4d4f985eb5394ffe81e3943e78a931e521256bb0b1
Malware Config
Extracted
Protocol: smtp- Host:
dellg.xyz - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Extracted
agenttesla
Protocol: smtp- Host:
dellg.xyz - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
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
resource yara_rule behavioral2/memory/3580-1-0x00000000004A23A0-mapping.dmp family_agenttesla behavioral2/memory/3580-3-0x0000000000400000-0x00000000004A4000-memory.dmp family_agenttesla behavioral2/memory/3580-4-0x0000000002170000-0x00000000021BC000-memory.dmp family_agenttesla -
resource yara_rule behavioral2/memory/3580-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/3580-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/3580-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx -
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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\italian = "C:\\Users\\Admin\\AppData\\Local\\Temp\\italian\\italian.exe" 29064fb18f50288094c9688fb4041c42.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3656 set thread context of 3580 3656 29064fb18f50288094c9688fb4041c42.exe 66 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3656 29064fb18f50288094c9688fb4041c42.exe 3656 29064fb18f50288094c9688fb4041c42.exe 3580 29064fb18f50288094c9688fb4041c42.exe 3580 29064fb18f50288094c9688fb4041c42.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3656 29064fb18f50288094c9688fb4041c42.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3580 29064fb18f50288094c9688fb4041c42.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3656 wrote to memory of 3580 3656 29064fb18f50288094c9688fb4041c42.exe 66 PID 3656 wrote to memory of 3580 3656 29064fb18f50288094c9688fb4041c42.exe 66 PID 3656 wrote to memory of 3580 3656 29064fb18f50288094c9688fb4041c42.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\29064fb18f50288094c9688fb4041c42.exe"C:\Users\Admin\AppData\Local\Temp\29064fb18f50288094c9688fb4041c42.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3656 -
C:\Users\Admin\AppData\Local\Temp\29064fb18f50288094c9688fb4041c42.exe"C:\Users\Admin\AppData\Local\Temp\29064fb18f50288094c9688fb4041c42.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3580
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