Analysis
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max time kernel
92s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12-07-2024 08:00
Static task
static1
Behavioral task
behavioral1
Sample
PO-090221.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
PO-090221.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
yrcvb.dll
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
yrcvb.dll
Resource
win10v2004-20240709-en
General
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Target
PO-090221.exe
-
Size
221KB
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MD5
ca11f896143acf2168b383b5532ef812
-
SHA1
fe4cf4a32e0633b9e47869a0850369c7854ec6d7
-
SHA256
1fa8e3489567519f9ed48d1323d7316118bfd2f5f6434a942202e4ccc64f8fbf
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SHA512
c2d103eefae3afc47eec34210b3aa90283c13f9819c328334474caee8e0ea68dd17e6daa623fdb22af824c14083f53acdb37af84d189820b0406d52bfec41ee4
-
SSDEEP
3072:oBkfJpRXATwMdFCcmbA94/P32S+INSyftupOxoit6HC77zaDrxehjkEXdN9Nt:oqjIeA94HDN8pOOM6HCmDQkIPnt
Malware Config
Signatures
-
Loads dropped DLL 2 IoCs
Processes:
PO-090221.exepid process 4560 PO-090221.exe 4560 PO-090221.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3188 4560 WerFault.exe PO-090221.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
PO-090221.exepid process 4560 PO-090221.exe 4560 PO-090221.exe 4560 PO-090221.exe 4560 PO-090221.exe 4560 PO-090221.exe 4560 PO-090221.exe 4560 PO-090221.exe 4560 PO-090221.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
PO-090221.exedescription pid process target process PID 4560 wrote to memory of 2760 4560 PO-090221.exe PO-090221.exe PID 4560 wrote to memory of 2760 4560 PO-090221.exe PO-090221.exe PID 4560 wrote to memory of 2760 4560 PO-090221.exe PO-090221.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-090221.exe"C:\Users\Admin\AppData\Local\Temp\PO-090221.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Users\Admin\AppData\Local\Temp\PO-090221.exe"C:\Users\Admin\AppData\Local\Temp\PO-090221.exe"2⤵PID:2760
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 10082⤵
- Program crash
PID:3188
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 45601⤵PID:4260
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5fccff8cb7a1067e23fd2e2b63971a8e1
SHA130e2a9e137c1223a78a0f7b0bf96a1c361976d91
SHA2566fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
SHA512f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
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Filesize
11KB
MD5ce58ee918da61b9ad6d17ea883108b75
SHA1ba22489f71b94f0593bb02a89668aa293ce4ca8b
SHA2561175fe7473ab4675f5197a3a5271c095f2a0ad01ee5e55a728c0f208adaeef01
SHA512fa452aeffcb848f4e62a7f3df2ae10dfdc75bb49e3b80e8af076056ea648b438a98a625d951c4b769cc2ffa85742d150aa45290749779dbdc7005bbacdd0ef7a