Analysis
-
max time kernel
11s -
max time network
111s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
10-05-2021 08:01
Static task
static1
Behavioral task
behavioral1
Sample
PO 4500021781.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
PO 4500021781.exe
Resource
win10v20210410
General
-
Target
PO 4500021781.exe
-
Size
319KB
-
MD5
d1a1fb5addaba9e049f08bf928bfd215
-
SHA1
252b5ab57f4f243da5b10c39458765d67b03092e
-
SHA256
dec7973b7b46dc29aed45c6eb5919f31abe3b5efe17f73c01f506faf06e80e00
-
SHA512
f79549969109921d0f036458ed991093d625a800cd4b3df7972f77d8e473326d1df85ee5a329e2d7ac086a0932d6569c0cc198cfcf7eeda0f6a72ed9042ef0dc
Malware Config
Extracted
azorult
http://bengalcement.com.bd/AxPu/index.php
Signatures
-
Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
-
Loads dropped DLL 5 IoCs
Processes:
PO 4500021781.exeMSBuild.exepid process 1016 PO 4500021781.exe 1152 MSBuild.exe 1152 MSBuild.exe 1152 MSBuild.exe 1152 MSBuild.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO 4500021781.exedescription pid process target process PID 1016 set thread context of 1152 1016 PO 4500021781.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1152 MSBuild.exe 1152 MSBuild.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
PO 4500021781.exepid process 1016 PO 4500021781.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
PO 4500021781.exedescription pid process target process PID 1016 wrote to memory of 1152 1016 PO 4500021781.exe MSBuild.exe PID 1016 wrote to memory of 1152 1016 PO 4500021781.exe MSBuild.exe PID 1016 wrote to memory of 1152 1016 PO 4500021781.exe MSBuild.exe PID 1016 wrote to memory of 1152 1016 PO 4500021781.exe MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO 4500021781.exe"C:\Users\Admin\AppData\Local\Temp\PO 4500021781.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\PO 4500021781.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
\Users\Admin\AppData\Local\Temp\8093A008\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
-
\Users\Admin\AppData\Local\Temp\8093A008\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
-
\Users\Admin\AppData\Local\Temp\8093A008\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
-
\Users\Admin\AppData\Local\Temp\8093A008\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
-
\Users\Admin\AppData\Local\Temp\nsf6AE.tmp\7fnbvs6c3vj.dllMD5
2f89c92a0be67a18c48ffecd351f016e
SHA1b16de8976e4912eebe38f01aab97194dff6a3b7b
SHA256501224d81e96bfab50549035755859ba02b613ff0ee3f2f77d4d61c7918d63a5
SHA5124b19bead84ee1acaa7d740f7d21d24c5d15b156023cef284bf755ed4096cc78d2703fa68b56cf4cafe6872f3f07a93d0055a50f6826a3cc7580573ca3fc2666b
-
memory/1016-115-0x00000000009D0000-0x00000000009D2000-memory.dmpFilesize
8KB
-
memory/1152-116-0x000000000041A684-mapping.dmp
-
memory/1152-117-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB