Analysis
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max time kernel
169s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 08:59
Static task
static1
Behavioral task
behavioral1
Sample
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe
Resource
win10v2004-20220812-en
General
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Target
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe
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Size
45KB
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MD5
33d9e9a072b109981e0fddf5794bda50
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SHA1
58b547aa439f477708298614ebd2bf54f4a8f826
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SHA256
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58
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SHA512
7511a8aeddc27cfe28251230acccd197b8a8ef69b1e2a2ecb8618071f03e5c3cbfd990ecb6ec0c3d51f46aec055274246f3a874a8a2873e047696830e4b9dbda
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SSDEEP
768:0LR8ttHmjjQaIgWFnaz+kIumMp/QjsLscl2WfZ/1H52:mKt4hItkbYjsLsCBb8
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
Processes:
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}" 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe -
Executes dropped EXE 1 IoCs
Processes:
Okdnnq32.exepid process 4496 Okdnnq32.exe -
Drops file in System32 directory 3 IoCs
Processes:
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exedescription ioc process File created C:\Windows\SysWOW64\Okdnnq32.exe 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe File opened for modification C:\Windows\SysWOW64\Okdnnq32.exe 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe File created C:\Windows\SysWOW64\Kenoiqmb.dll 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe -
Modifies data under HKEY_USERS 2 IoCs
Processes:
Okdnnq32.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess Okdnnq32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess\BrowseNewProcess = "yes" Okdnnq32.exe -
Modifies registry class 6 IoCs
Processes:
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738} 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Kenoiqmb.dll" 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment" 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Okdnnq32.exepid process 4496 Okdnnq32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exedescription pid process target process PID 2124 wrote to memory of 4496 2124 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Okdnnq32.exe PID 2124 wrote to memory of 4496 2124 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Okdnnq32.exe PID 2124 wrote to memory of 4496 2124 2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe Okdnnq32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe"C:\Users\Admin\AppData\Local\Temp\2e6ec0ac0d833f6ea1eeeafa68936894b115af036dfa4c49d277866801c8ea58.exe"1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\Okdnnq32.exeC:\Windows\system32\Okdnnq32.exe2⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: GetForegroundWindowSpam
PID:4496
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
45KB
MD5a81644431c7f87f4cb15aef71710b59b
SHA125bf362f151cda5b5aa2c8be658e9f017fae9d67
SHA256307c22607422c3e30a6472ffc9a7752e63d832a9301dc2e820fd4be4cd36a9f3
SHA512e5a600fbd881f6d5eb597fbcb30713b5fa6280460f3b6ea06a346660d49562065a36ed14ceba7bc7c462bc564f9c6e1b3bb5e52ba0f52b0daf3c15b5b4068a57
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Filesize
45KB
MD5a81644431c7f87f4cb15aef71710b59b
SHA125bf362f151cda5b5aa2c8be658e9f017fae9d67
SHA256307c22607422c3e30a6472ffc9a7752e63d832a9301dc2e820fd4be4cd36a9f3
SHA512e5a600fbd881f6d5eb597fbcb30713b5fa6280460f3b6ea06a346660d49562065a36ed14ceba7bc7c462bc564f9c6e1b3bb5e52ba0f52b0daf3c15b5b4068a57