Analysis
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max time kernel
121s -
max time network
145s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
30-04-2021 13:10
Static task
static1
Behavioral task
behavioral1
Sample
Due Invoices.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
Due Invoices.exe
Resource
win10v20210408
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 1748 set thread context of 268 1748 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 1748 Due Invoices.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Due Invoices.exedescription pid process Token: SeDebugPrivilege 1748 Due Invoices.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Due Invoices.exepid process 268 Due Invoices.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Due Invoices.exedescription pid process target process PID 1748 wrote to memory of 1552 1748 Due Invoices.exe schtasks.exe PID 1748 wrote to memory of 1552 1748 Due Invoices.exe schtasks.exe PID 1748 wrote to memory of 1552 1748 Due Invoices.exe schtasks.exe PID 1748 wrote to memory of 1552 1748 Due Invoices.exe schtasks.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 Due Invoices.exe Due Invoices.exe PID 1748 wrote to memory of 268 1748 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
PID:1748 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzCorc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAA8.tmp"2⤵
- Creates scheduled task(s)
PID:1552 -
C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:268
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpBAA8.tmpMD5
19b0d966eac748fc131418a40f2c5c3e
SHA1622f6660860d5d985fecc76a6cacae3b0cedb3d6
SHA256b56a6886a0b200af4dd07d83a1c65aea7c80e021a960974a3d623674802eb3da
SHA512619f2889f140e640f5c7ddd8500edae399d04c307c71b966e91eaa7e40c9f2aea208997a42ece631133f7427ee866867840ac7955875f811cd007bd627ba3b0a
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memory/268-65-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/268-66-0x00000000004172EC-mapping.dmp
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memory/268-68-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/1552-63-0x0000000000000000-mapping.dmp
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memory/1748-59-0x00000000757E1000-0x00000000757E3000-memory.dmpFilesize
8KB
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memory/1748-61-0x0000000000241000-0x0000000000242000-memory.dmpFilesize
4KB
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memory/1748-60-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1748-62-0x000000007EF50000-0x000000007EF51000-memory.dmpFilesize
4KB