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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2024, 13:52
Static task
static1
Behavioral task
behavioral1
Sample
Respecialist.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Respecialist.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
General
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Target
Respecialist.exe
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Size
826KB
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MD5
bcc1f12af6334f819cac261f50fc6f3f
-
SHA1
68ef28761831b5ce423b174549f78843a8ffcbaa
-
SHA256
cadc8838c26a906f9dd9cfed178546e322f67f714d4951169482d781a07ffc98
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SHA512
77512f726964cb995f830bfab6aa7fbec3b3a5b270b08d57d4a0395a570aa5c3b6b3185bce9bb6baf4ccafcd6260a2a514282ec45f65d6ab93dac7ac5cda4f4f
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SSDEEP
12288:zgOiqjFiNnytiTYG8ERU8Nsb9uF/5MkQ5HOKBAUhtHuuU69E:zgYFyy4c1EdsDOSAUbPR9E
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 5060 Respecialist.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Proenzym.ini Respecialist.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 5060 Respecialist.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\fljetoners\monochrome.lnk Respecialist.exe File opened for modification C:\Windows\resources\sjapper\Tolvtedel.for Respecialist.exe File opened for modification C:\Windows\resources\sequoia.ini Respecialist.exe File opened for modification C:\Windows\staalhaardt\stejlepladsers.kam Respecialist.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 4628 5060 WerFault.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\Respecialist.exe"C:\Users\Admin\AppData\Local\Temp\Respecialist.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
PID:5060 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 12162⤵
- Program crash
PID:4628
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5060 -ip 50601⤵PID:4996
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
1KB
MD5f1f16b26118b724f4910eafc510c34a8
SHA1441134248af49bb599f8a888351d6da4190a440a
SHA2568e3b7e7eb6a25038a1b81efec4c2e6b364b8950462c314cfd9553bdd0a2347c4
SHA512670dc79cc7cfef897e1638c43d75d8e3c107bd9619aa8f45a7871acbdb9f954fa635214c9608ebf5462ca5824f1adb4474ce66beaaa2e356290ce64c788234ac
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Filesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9