Analysis
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max time kernel
107s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
30-04-2021 08:46
Static task
static1
Behavioral task
behavioral1
Sample
Due Invoices.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Due Invoices.exe
Resource
win10v20210410
General
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Target
Due Invoices.exe
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Size
410KB
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MD5
98a8aeb1ab92c13aa646d3ca22d91286
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SHA1
d9d1985d9d6dc8e1af4894ff2716e758fe5d5f29
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SHA256
96e975e9e509e40c6b069f4fe4ef338ddaa76472a30e3115374d5ae3b25c7616
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SHA512
0a1565ca50782184fb4b106b9c119881260618969b5942bb33eef1dbb18a6960866c756720768af5ef2cf4c19f02597866ce17f4d93d58344130f405877c4934
Malware Config
Signatures
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Due Invoices.exedescription pid process target process PID 3656 set thread context of 2032 3656 Due Invoices.exe Due Invoices.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1 IoCs
Processes:
Due Invoices.exepid process 3656 Due Invoices.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Due Invoices.exedescription pid process Token: SeDebugPrivilege 3656 Due Invoices.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Due Invoices.exepid process 2032 Due Invoices.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Due Invoices.exedescription pid process target process PID 3656 wrote to memory of 2628 3656 Due Invoices.exe schtasks.exe PID 3656 wrote to memory of 2628 3656 Due Invoices.exe schtasks.exe PID 3656 wrote to memory of 2628 3656 Due Invoices.exe schtasks.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe PID 3656 wrote to memory of 2032 3656 Due Invoices.exe Due Invoices.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzCorc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1AB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"2⤵
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpC1AB.tmpMD5
10fc7d651f9d616183d377e119af4e66
SHA152d90db53be96f3f178d74db5c48677c9cc2b324
SHA25655a843d3a25ae2638ba3215b58a65b8f0d57d0370f15cfed6626b7f15a566972
SHA51262dd8e4b6ad77559d216ceeb5583615de3fc6ce303c51029a952e1cc70d8e868b3876f2d6a3868541b66001229776a67693a871dac5d46d97487ab93af256f67
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memory/2032-118-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/2032-119-0x00000000004172EC-mapping.dmp
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memory/2032-120-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/2628-116-0x0000000000000000-mapping.dmp
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memory/3656-114-0x0000000002420000-0x0000000002421000-memory.dmpFilesize
4KB
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memory/3656-115-0x000000007F0E0000-0x000000007F0E1000-memory.dmpFilesize
4KB