Analysis
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max time kernel
151s -
max time network
152s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03-03-2021 23:22
Static task
static1
Behavioral task
behavioral1
Sample
DHL Document.exe
Resource
win7v20201028
General
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Target
DHL Document.exe
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Size
1.1MB
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MD5
92900a9f09ad28e0e6068988f85383c4
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SHA1
d2088728af43a30bd69fd4bff9db5e9a6f54d55c
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SHA256
73429ed369e556843e28f21b233a49aa9cc7b55d36c5be69f3745a75d17eaf1f
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SHA512
77ff1b0a1d99f92204955a60599953965292ead8dc41c2b993a4c522350eeb50efead8fcc7500d72e823b04efa6165e750fcc5f5f793f8af192252cebc354d40
Malware Config
Signatures
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NetWire RAT payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/808-10-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral1/memory/808-11-0x000000000040242D-mapping.dmp netwire behavioral1/memory/808-13-0x0000000000400000-0x0000000000433000-memory.dmp netwire -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL Document.exedescription pid process target process PID 1832 set thread context of 808 1832 DHL Document.exe DHL Document.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 use of WriteProcessMemory 16 IoCs
Processes:
DHL Document.exedescription pid process target process PID 1832 wrote to memory of 584 1832 DHL Document.exe schtasks.exe PID 1832 wrote to memory of 584 1832 DHL Document.exe schtasks.exe PID 1832 wrote to memory of 584 1832 DHL Document.exe schtasks.exe PID 1832 wrote to memory of 584 1832 DHL Document.exe schtasks.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe PID 1832 wrote to memory of 808 1832 DHL Document.exe DHL Document.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Document.exe"C:\Users\Admin\AppData\Local\Temp\DHL Document.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lTZDstzxRzxl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F30.tmp"2⤵
- Creates scheduled task(s)
PID:584
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C:\Users\Admin\AppData\Local\Temp\DHL Document.exe"C:\Users\Admin\AppData\Local\Temp\DHL Document.exe"2⤵PID:808
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6962341ccb489bfd94f195a33c39f6c3
SHA1e92941236535e5a7b5e02a95fce3afff7f407b1d
SHA256d5a88084a8cca11ad358a532e184d3b24643ef494acb8f2dac6e098923030682
SHA5128ee22c00cd801ea75241fbb20a1b65fb332a0c21d89bf5017b8361c26a5283ca8630d35896d0bcf8b0f64a880a987cfb55c2bb9aec7a7e1751583d88fc1a0683