Analysis
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max time kernel
56s -
max time network
54s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 13:20
Static task
static1
Behavioral task
behavioral1
Sample
cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Resource
win10v2004-20220812-en
General
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Target
cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
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Size
1.1MB
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MD5
d0b6d7491049090c5633de34a4026bd6
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SHA1
f34b50513f9df7c35ba6c6f12bacf9507c587bfe
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SHA256
cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
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SHA512
a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b
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SSDEEP
12288:URecnV4R0MA7najOoalUAZZz6DyyWfiAAMu8GCJYkEno4CUdUKGNa4zLKY6iTco/:UrEEVZuFW5hVJbEnoQ9VukiTdwaO+
Malware Config
Signatures
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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\SystemBiosVersion cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe -
Loads dropped DLL 7 IoCs
pid Process 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 808 set thread context of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 -
Program crash 1 IoCs
pid pid_target Process procid_target 1044 1724 WerFault.exe 28 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 808 wrote to memory of 1724 808 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 28 PID 1724 wrote to memory of 1044 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 31 PID 1724 wrote to memory of 1044 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 31 PID 1724 wrote to memory of 1044 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 31 PID 1724 wrote to memory of 1044 1724 cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe"C:\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe"C:\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe" Track="0001001000"2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 13883⤵
- Loads dropped DLL
- Program crash
PID:1044
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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\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Filesize1.1MB
MD5d0b6d7491049090c5633de34a4026bd6
SHA1f34b50513f9df7c35ba6c6f12bacf9507c587bfe
SHA256cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
SHA512a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b
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\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Filesize1.1MB
MD5d0b6d7491049090c5633de34a4026bd6
SHA1f34b50513f9df7c35ba6c6f12bacf9507c587bfe
SHA256cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
SHA512a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b
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\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Filesize1.1MB
MD5d0b6d7491049090c5633de34a4026bd6
SHA1f34b50513f9df7c35ba6c6f12bacf9507c587bfe
SHA256cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
SHA512a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b
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\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Filesize1.1MB
MD5d0b6d7491049090c5633de34a4026bd6
SHA1f34b50513f9df7c35ba6c6f12bacf9507c587bfe
SHA256cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
SHA512a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b
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\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Filesize1.1MB
MD5d0b6d7491049090c5633de34a4026bd6
SHA1f34b50513f9df7c35ba6c6f12bacf9507c587bfe
SHA256cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
SHA512a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b
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\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Filesize1.1MB
MD5d0b6d7491049090c5633de34a4026bd6
SHA1f34b50513f9df7c35ba6c6f12bacf9507c587bfe
SHA256cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
SHA512a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b
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\Users\Admin\AppData\Local\Temp\cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233.exe
Filesize1.1MB
MD5d0b6d7491049090c5633de34a4026bd6
SHA1f34b50513f9df7c35ba6c6f12bacf9507c587bfe
SHA256cd3f9875461a294ce488c4c91e36a29529f0a682f339689e039808cb3d1c4233
SHA512a053461987909dfa5e7791b665f94da0750ed19030d1cd5399839ab9c3b3a757ddf55b7eb264c8c9ba3361675fc2d64ef3564f13dfa339a0f5e878f866c7495b