Analysis
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max time kernel
98s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 20:38
Static task
static1
Behavioral task
behavioral1
Sample
b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/bdumzguwre.dll
Resource
win7-20241023-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/bdumzguwre.dll
Resource
win10v2004-20241007-en
General
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Target
b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe
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Size
461KB
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MD5
5157cd51759c1d877b4c5ccfb814782c
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SHA1
420311eefd515627c13b604029e215faac68241c
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SHA256
b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451
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SHA512
ef9e6cddcce9cbad73a28406fb2bdbc79fd62af9ef095c0c909877cebb025495f97bcfc6f7f43fb0d019a60938efb11612baa41371bc0aebc9e1cb3381c7e718
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SSDEEP
6144:rGil67ZStrhh0ZZP3/EsT/2uLz/aebbHuFFFkDtrfS8cy/sGxBjKGH8Hjn+o5F:pf0ZPLx1PcmtS8c29BjKhF
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1916 b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2824 1916 WerFault.exe 81 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1916 wrote to memory of 924 1916 b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe 82 PID 1916 wrote to memory of 924 1916 b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe 82 PID 1916 wrote to memory of 924 1916 b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe"C:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe"C:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe"2⤵PID:924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 8922⤵
- Program crash
PID:2824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1916 -ip 19161⤵PID:436
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
324KB
MD50a45dfba55b0a8a259393117a5ba0795
SHA1da5e641a9d8ba850fd14fbc7c0a0c339adb6b538
SHA25637c5b32148a16e741c548a7dfc3811b2d10bf3a35d753b5b27b1aae7e7ab5817
SHA5125bea4192eb222c9d83e5a753a2f66df5b97a340bbd7dd6cc2575d83be1846e6db06187004f886bc54b84793558e93bb1ea20f40123ac3382b703d201f52aa5d9