Analysis
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max time kernel
42s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 21:52
Behavioral task
behavioral1
Sample
25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe
Resource
win10v2004-20221111-en
General
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Target
25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe
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Size
1015KB
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MD5
6e93d36fe935f408dafa56e692b3c0d6
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SHA1
113d5a4371d9fb9b8b4c77a54d801337aeb596f3
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SHA256
25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8
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SHA512
a9d5c4a958b02de29c9fac5b7e6ceb3fca27e67dea312e07648cc106ea4c2820544d289ca5335e6213d393aa0a7778376faeff582c1dc6636778ff9f1b126a3d
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SSDEEP
24576:GbxGVw00LYqfMAZc4hUHRAN6lI9bNTzDlgWs58qXiS7i4oZD:ga0LLBOLSeiT9USSW/x
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1752-54-0x0000000000400000-0x0000000000584000-memory.dmp upx behavioral1/memory/1752-70-0x0000000000400000-0x0000000000584000-memory.dmp upx behavioral1/files/0x0006000000014486-74.dat upx behavioral1/files/0x0006000000014486-75.dat upx behavioral1/files/0x0006000000014486-76.dat upx behavioral1/files/0x0006000000014486-77.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 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe -
Loads dropped DLL 4 IoCs
pid Process 384 WerFault.exe 384 WerFault.exe 384 WerFault.exe 384 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 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1752 set thread context of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 -
Program crash 1 IoCs
pid pid_target Process procid_target 384 1932 WerFault.exe 28 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1752 wrote to memory of 1932 1752 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 28 PID 1932 wrote to memory of 384 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 31 PID 1932 wrote to memory of 384 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 31 PID 1932 wrote to memory of 384 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 31 PID 1932 wrote to memory of 384 1932 25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe"C:\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe"C:\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe" Track="0001001000"2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 13923⤵
- Loads dropped DLL
- Program crash
PID:384
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe
Filesize1015KB
MD56e93d36fe935f408dafa56e692b3c0d6
SHA1113d5a4371d9fb9b8b4c77a54d801337aeb596f3
SHA25625d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8
SHA512a9d5c4a958b02de29c9fac5b7e6ceb3fca27e67dea312e07648cc106ea4c2820544d289ca5335e6213d393aa0a7778376faeff582c1dc6636778ff9f1b126a3d
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\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe
Filesize1015KB
MD56e93d36fe935f408dafa56e692b3c0d6
SHA1113d5a4371d9fb9b8b4c77a54d801337aeb596f3
SHA25625d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8
SHA512a9d5c4a958b02de29c9fac5b7e6ceb3fca27e67dea312e07648cc106ea4c2820544d289ca5335e6213d393aa0a7778376faeff582c1dc6636778ff9f1b126a3d
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\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe
Filesize1015KB
MD56e93d36fe935f408dafa56e692b3c0d6
SHA1113d5a4371d9fb9b8b4c77a54d801337aeb596f3
SHA25625d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8
SHA512a9d5c4a958b02de29c9fac5b7e6ceb3fca27e67dea312e07648cc106ea4c2820544d289ca5335e6213d393aa0a7778376faeff582c1dc6636778ff9f1b126a3d
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\Users\Admin\AppData\Local\Temp\25d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8.exe
Filesize1015KB
MD56e93d36fe935f408dafa56e692b3c0d6
SHA1113d5a4371d9fb9b8b4c77a54d801337aeb596f3
SHA25625d764affdfe98d56b995a8dfca2fe44c6631bbbad4040df6210e4f9953ff5b8
SHA512a9d5c4a958b02de29c9fac5b7e6ceb3fca27e67dea312e07648cc106ea4c2820544d289ca5335e6213d393aa0a7778376faeff582c1dc6636778ff9f1b126a3d