Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2024, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe
Resource
win10v2004-20240226-en
General
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Target
a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe
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Size
56KB
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MD5
ea63b32b97c2140f55a5b011374310b4
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SHA1
8b7c8c8f91705bd196c2dd0fc2f8b741f78e7739
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SHA256
a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc
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SHA512
f21e2a322e30c5b07f551ccb15a00984ee17e6734c29b8975946318f84c5061d13becffb7cc600e5d36b9e44edd138b9dac3bb7ebaeb8d8e89e30bf1ca3666b4
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SSDEEP
1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1RS:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1Muh
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2944 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2944 microsofthelp.exe -
Loads dropped DLL 1 IoCs
pid Process 2944 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\HidePlugin.dll microsofthelp.exe File created C:\Windows\microsofthelp.exe a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2944 microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4204 wrote to memory of 2944 4204 a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe 86 PID 4204 wrote to memory of 2944 4204 a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe 86 PID 4204 wrote to memory of 2944 4204 a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe"C:\Users\Admin\AppData\Local\Temp\a596c5a44ee1caa5c835af50dcd254c6fce54f4a92799936717a0d191327cccc.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5KB
MD54c0b9970f96300dfa1f45afc7539d35f
SHA1ebbb4ed2003662d78d1f32e7b6da1b6f504ae711
SHA2564e96660cc8be7171a79755a20860366987547322b3a809e78c9850f14c242262
SHA512579f8787b52bf62a0296d8a24753263201fbc84abec5927033e3c97576f965ead0f8422acd3f7af1345b0df0001b0cd68fa971062e21269f6940cf3e1508ca88
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Filesize
56KB
MD50bfe797113497973bc8ec41882629aba
SHA1471ce651f7894d27197f2b83f39374966c2cd2c0
SHA2560d427b8d08564138feafb7cf72ffb9e367d0f3e2ac2606c6d7b6e2d724b9b671
SHA51257a03944f94d8af77a3046b472eb1b164b844d7568abb8e025faec5591a68158797b8e0509aa29c4cee83776f1db234e4e10d190103de469b7482f74589e7953