Analysis
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max time kernel
133s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
15-01-2021 12:26
Static task
static1
Behavioral task
behavioral1
Sample
invoice.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
invoice.exe
Resource
win10v20201028
General
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Target
invoice.exe
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Size
605KB
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MD5
9d1c09ccad422151959b7f47a88e70bf
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SHA1
5766569901c1a6c583f3dbde63b6971ecbe7b129
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SHA256
514a2e1ebfc231e3bd8275f2f51023e418deeb2aeda808dd35e8317424370a30
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SHA512
bd5e2693d8aa553225479010a1f78c1643478ca8a83139faefa68aae353dd8e92d084436d0a7c259f00d1564d8a0d302a808cbd6c43ed0cb6f669df1e49cbbd7
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
Processes:
invoice.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts invoice.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 1 IoCs
Processes:
invoice.exedescription pid process target process PID 4052 set thread context of 3712 4052 invoice.exe invoice.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
invoice.exepid process 3712 invoice.exe 3712 invoice.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
invoice.exedescription pid process Token: SeDebugPrivilege 3712 invoice.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
invoice.exedescription pid process target process PID 4052 wrote to memory of 2744 4052 invoice.exe schtasks.exe PID 4052 wrote to memory of 2744 4052 invoice.exe schtasks.exe PID 4052 wrote to memory of 2744 4052 invoice.exe schtasks.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe PID 4052 wrote to memory of 3712 4052 invoice.exe invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mEIuqNly" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1C1.tmp"2⤵
- Creates scheduled task(s)
PID:2744 -
C:\Users\Admin\AppData\Local\Temp\invoice.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3712
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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MD5
cec793552cf6ac10829e978f11b584e8
SHA10320ddb79cbc0af49310dd421a0d791a83e1b5da
SHA256d6b83e575a898310a06dd4eeb0b169548177b2e1c2e3760e22dee3f0cabca768
SHA512e9458277fa8e9ce2bfc13752f935adbc80497fe6162b71b54e96b50e1b7d45695e74289c9a3627ebdb97d0cf1830e669c19124f98769b297525e8c2f527e031c