Analysis
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max time kernel
41s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 13:06
Behavioral task
behavioral1
Sample
f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Resource
win10v2004-20220901-en
General
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Target
f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
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Size
1.0MB
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MD5
a102f811eb507a9ac37ce637558a77ac
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SHA1
cb005d405ac2817e0742c18f9e2214f9886049dd
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SHA256
f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
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SHA512
ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0
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SSDEEP
24576:arwxV2+Zv9h0DKF9oGZsvvSbkz9Etwog+KeCYYE:YwH26h0eXoGuoHtwog+KeVYE
Malware Config
Signatures
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resource yara_rule behavioral1/memory/748-54-0x0000000000400000-0x000000000053A000-memory.dmp upx behavioral1/memory/748-69-0x0000000000400000-0x000000000053A000-memory.dmp upx behavioral1/files/0x00080000000122c8-75.dat upx behavioral1/files/0x00080000000122c8-76.dat upx behavioral1/files/0x00080000000122c8-79.dat upx behavioral1/files/0x00080000000122c8-78.dat upx behavioral1/files/0x00080000000122c8-77.dat upx behavioral1/files/0x00080000000122c8-80.dat upx behavioral1/files/0x00080000000122c8-81.dat upx -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe -
Loads dropped DLL 7 IoCs
pid Process 1660 WerFault.exe 1660 WerFault.exe 1660 WerFault.exe 1660 WerFault.exe 1660 WerFault.exe 1660 WerFault.exe 1660 WerFault.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 748 set thread context of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 -
Program crash 1 IoCs
pid pid_target Process procid_target 1660 2012 WerFault.exe 28 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 748 wrote to memory of 2012 748 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 28 PID 2012 wrote to memory of 1660 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 31 PID 2012 wrote to memory of 1660 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 31 PID 2012 wrote to memory of 1660 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 31 PID 2012 wrote to memory of 1660 2012 f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe"C:\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe"C:\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe" Track="0001001000"2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 13603⤵
- Loads dropped DLL
- Program crash
PID:1660
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Filesize1.0MB
MD5a102f811eb507a9ac37ce637558a77ac
SHA1cb005d405ac2817e0742c18f9e2214f9886049dd
SHA256f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
SHA512ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0
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\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Filesize1.0MB
MD5a102f811eb507a9ac37ce637558a77ac
SHA1cb005d405ac2817e0742c18f9e2214f9886049dd
SHA256f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
SHA512ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0
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\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Filesize1.0MB
MD5a102f811eb507a9ac37ce637558a77ac
SHA1cb005d405ac2817e0742c18f9e2214f9886049dd
SHA256f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
SHA512ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0
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\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Filesize1.0MB
MD5a102f811eb507a9ac37ce637558a77ac
SHA1cb005d405ac2817e0742c18f9e2214f9886049dd
SHA256f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
SHA512ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0
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\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Filesize1.0MB
MD5a102f811eb507a9ac37ce637558a77ac
SHA1cb005d405ac2817e0742c18f9e2214f9886049dd
SHA256f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
SHA512ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0
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\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Filesize1.0MB
MD5a102f811eb507a9ac37ce637558a77ac
SHA1cb005d405ac2817e0742c18f9e2214f9886049dd
SHA256f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
SHA512ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0
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\Users\Admin\AppData\Local\Temp\f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae.exe
Filesize1.0MB
MD5a102f811eb507a9ac37ce637558a77ac
SHA1cb005d405ac2817e0742c18f9e2214f9886049dd
SHA256f76e45438fd5bef1ff498b00260dae4437b4521da95a8eca5a931773d6f156ae
SHA512ffb5bd21fa90f989576d6bb26b56a891f17d1570717f643c6293132bbfc35864f5c7707fb3b9d253edb5c19f6737d9dc32f456f369c657c2687698ad44c052f0