Analysis
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max time kernel
132s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
29-01-2021 14:37
Static task
static1
Behavioral task
behavioral1
Sample
sUYjLDLnEi6Pv5y.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
sUYjLDLnEi6Pv5y.exe
Resource
win10v20201028
General
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Target
sUYjLDLnEi6Pv5y.exe
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Size
702KB
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MD5
541f21ea9b009eb8305113b63a4f65f0
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SHA1
39919825256e0d59958c51c22a99f7217498e42c
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SHA256
b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a
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SHA512
4ab45d4e8858c30c01243435b1798349d75ec5b48939966e4b896d8d9e2ead468a04e953727f1ead1bfd81c9095c3e79f7dd2a12bb8db971b4b656fc8388bbad
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yatchbabara.com - Port:
587 - Username:
[email protected] - Password:
j$Mk$NE7
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/3736-12-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3736-13-0x00000000004375DE-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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
sUYjLDLnEi6Pv5y.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\UTCCf = "C:\\Users\\Admin\\AppData\\Roaming\\UTCCf\\UTCCf.exe" sUYjLDLnEi6Pv5y.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
sUYjLDLnEi6Pv5y.exedescription pid process target process PID 496 set thread context of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
sUYjLDLnEi6Pv5y.exesUYjLDLnEi6Pv5y.exepid process 496 sUYjLDLnEi6Pv5y.exe 3736 sUYjLDLnEi6Pv5y.exe 3736 sUYjLDLnEi6Pv5y.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
sUYjLDLnEi6Pv5y.exesUYjLDLnEi6Pv5y.exedescription pid process Token: SeDebugPrivilege 496 sUYjLDLnEi6Pv5y.exe Token: SeDebugPrivilege 3736 sUYjLDLnEi6Pv5y.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
sUYjLDLnEi6Pv5y.exepid process 3736 sUYjLDLnEi6Pv5y.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
sUYjLDLnEi6Pv5y.exedescription pid process target process PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe PID 496 wrote to memory of 3736 496 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\sUYjLDLnEi6Pv5y.exe"C:\Users\Admin\AppData\Local\Temp\sUYjLDLnEi6Pv5y.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\sUYjLDLnEi6Pv5y.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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\sUYjLDLnEi6Pv5y.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/496-11-0x0000000007A40000-0x0000000007AA2000-memory.dmpFilesize
392KB
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memory/496-3-0x0000000000C70000-0x0000000000C71000-memory.dmpFilesize
4KB
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memory/496-6-0x0000000005750000-0x0000000005751000-memory.dmpFilesize
4KB
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memory/496-7-0x0000000003250000-0x0000000003251000-memory.dmpFilesize
4KB
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memory/496-2-0x0000000073360000-0x0000000073A4E000-memory.dmpFilesize
6.9MB
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memory/496-9-0x0000000005950000-0x0000000005954000-memory.dmpFilesize
16KB
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memory/496-5-0x0000000005BB0000-0x0000000005BB1000-memory.dmpFilesize
4KB
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memory/496-10-0x0000000007AE0000-0x0000000007AE1000-memory.dmpFilesize
4KB
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memory/496-8-0x00000000059D0000-0x00000000059D1000-memory.dmpFilesize
4KB
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memory/3736-13-0x00000000004375DE-mapping.dmp
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memory/3736-12-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3736-15-0x0000000073360000-0x0000000073A4E000-memory.dmpFilesize
6.9MB
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memory/3736-20-0x0000000005090000-0x0000000005091000-memory.dmpFilesize
4KB
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memory/3736-21-0x00000000059C0000-0x00000000059C1000-memory.dmpFilesize
4KB
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memory/3736-22-0x0000000005A60000-0x0000000005A61000-memory.dmpFilesize
4KB
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memory/3736-25-0x0000000005091000-0x0000000005092000-memory.dmpFilesize
4KB