Analysis
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max time kernel
155s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25-03-2024 09:55
Static task
static1
Behavioral task
behavioral1
Sample
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe
Resource
win10v2004-20240226-en
General
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Target
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe
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Size
1.9MB
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MD5
1f59209462cea14c16e955af6c8bb13d
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SHA1
f4617169cc8bf7392497d5db9e3d6970ea8a6d49
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SHA256
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b
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SHA512
12e69e188bbcee79608eccac3d7972e31cedbf207713e36d5eba7cc30b24f440e18daee182f2a7eddb56b2ee819fd588c9fa23b18d09a341902e6ad8bb45668c
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SSDEEP
49152:IyMS6zSWb9czXn7x0eDAmMVIDwx5RXcRFXYkXY8ReUIY:5kSWb91DiGXsnYkXZReU
Malware Config
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Extracted
amadey
4.18
http://193.233.132.56
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
explorha.exe91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 59 3420 rundll32.exe 60 3320 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exeexplorha.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation explorha.exe -
Executes dropped EXE 3 IoCs
Processes:
explorha.exeexplorha.exeexplorha.exepid process 4620 explorha.exe 4840 explorha.exe 4752 explorha.exe -
Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 2824 rundll32.exe 3420 rundll32.exe 3320 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exeexplorha.exeexplorha.exeexplorha.exepid process 940 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe 4620 explorha.exe 4840 explorha.exe 4752 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exedescription ioc process File created C:\Windows\Tasks\explorha.job 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exeexplorha.exerundll32.exeexplorha.exepowershell.exeexplorha.exepid process 940 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe 940 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe 4620 explorha.exe 4620 explorha.exe 3420 rundll32.exe 3420 rundll32.exe 3420 rundll32.exe 3420 rundll32.exe 3420 rundll32.exe 3420 rundll32.exe 4840 explorha.exe 4840 explorha.exe 3420 rundll32.exe 3420 rundll32.exe 3420 rundll32.exe 3420 rundll32.exe 4324 powershell.exe 4324 powershell.exe 4324 powershell.exe 4752 explorha.exe 4752 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4324 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exepid process 940 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 940 wrote to memory of 4620 940 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe explorha.exe PID 940 wrote to memory of 4620 940 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe explorha.exe PID 940 wrote to memory of 4620 940 91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe explorha.exe PID 4620 wrote to memory of 2824 4620 explorha.exe rundll32.exe PID 4620 wrote to memory of 2824 4620 explorha.exe rundll32.exe PID 4620 wrote to memory of 2824 4620 explorha.exe rundll32.exe PID 2824 wrote to memory of 3420 2824 rundll32.exe rundll32.exe PID 2824 wrote to memory of 3420 2824 rundll32.exe rundll32.exe PID 3420 wrote to memory of 2228 3420 rundll32.exe netsh.exe PID 3420 wrote to memory of 2228 3420 rundll32.exe netsh.exe PID 3420 wrote to memory of 4324 3420 rundll32.exe powershell.exe PID 3420 wrote to memory of 4324 3420 rundll32.exe powershell.exe PID 4620 wrote to memory of 3320 4620 explorha.exe rundll32.exe PID 4620 wrote to memory of 3320 4620 explorha.exe rundll32.exe PID 4620 wrote to memory of 3320 4620 explorha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe"C:\Users\Admin\AppData\Local\Temp\91a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:940 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:2228
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\808065738166_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:3320
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4172 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:81⤵PID:5032
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4840
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4752
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
444KB
MD5d9546143a3a7c8eb55f855c88458d1c8
SHA1f679463929a1965c15236d3e26b608982034703c
SHA25660eff17cdc5110bb3949ccfafcb9997c4b7d48e28bc785e1d8a39dee285d5b46
SHA512107da9277e3504dc8af3bf0a7fdbaedec865721cf3632c7ce1a6e512ba34c54098bb15afb4867121f97fca4135e0d6a917872b7b27095223f860c73b8e9d87eb
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Filesize
1.8MB
MD5243fb8d3e59cb88911022c2317cd08bd
SHA199fea7ac8263d562da1a475a66a17485ac75d399
SHA256557e3263780e24484b2e2c0f64029688f3e3b69fbd4c746811029d7d9de5df7e
SHA512dea43d8b70e56ce35af22b20df04eb6966f63893dcb4db8b34ce49beeb6390378c570c91c9d2f424d8bbedb58754ad83b7101b03e5aab111496ba74ef6f5999c
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Filesize
234KB
MD559eed4e129fba3958a9aa94501da63ae
SHA14a26ae871e861e9409386a21487c35c7bae81c4f
SHA256209eeab1ba3345fa9024f5be9cb8b8c51819213337a086111f290428596cc58c
SHA512cceaf0d35eeeed8ba8ae8a850d089d984020b0fc27f5bd746316ff6b9a6ce7fab7efb76aee03f1cd1f85465b2547594b3c32cbc9a371e62e31a9f0d68619ca64
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Filesize
62KB
MD5bb73ada97260fae831c61573ad214f69
SHA15468f6887384e4c4f7488aa43592f7e849628c05
SHA256100460b9ebdc5abac003e255b8c5e52edff73e5cdd22e973e737522bf4d79a3e
SHA51247cba0e886ceca5a77cda72ce720fbf76d9c981e2fdfdb5aa3d6a7aa6ff4d3ad55331070da80a6ef9d768ede868be43eec5d357f426d3944c2312098248ce1f0
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Filesize
1.9MB
MD51f59209462cea14c16e955af6c8bb13d
SHA1f4617169cc8bf7392497d5db9e3d6970ea8a6d49
SHA25691a3ef18527e726b4f65659774e6141bfb1a38f5bbee407143963de1bec3850b
SHA51212e69e188bbcee79608eccac3d7972e31cedbf207713e36d5eba7cc30b24f440e18daee182f2a7eddb56b2ee819fd588c9fa23b18d09a341902e6ad8bb45668c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD5726cd06231883a159ec1ce28dd538699
SHA1404897e6a133d255ad5a9c26ac6414d7134285a2
SHA25612fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
SHA5129ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
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Filesize
1.2MB
MD515a42d3e4579da615a384c717ab2109b
SHA122aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA2563c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
SHA5121eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444
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Filesize
768KB
MD549e89eb80fbde94494451ee330f4621c
SHA187abe226d853b34469e2a03264310b155dac3325
SHA25603dab89ab4f4d0a57f77b7deea27f041ca46d313726204469ce26d498b01ed90
SHA512ba2c192e994e42cd1bf8e39615c92b77a08e5f8d89c8d16ce5d7d87f6832ee6b61bdefedce855c7bb42b7053ed4a448bc7414019d80daf79a05ce8e95e3a60f0
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Filesize
261KB
MD5a0a529e80c24a07dce74899615735617
SHA104633bb2b803103afbb8faf4b00884599e36eaf1
SHA25697cce5d62f658eb0a330670f4627fc2fe899ac8387c4528f12ab50206c53ee3c
SHA5124ebf98d7f389dc765ed2c1ab940a3a9f8843dac876f1c5c0e221b3ce71f9560199210cfe78bb38522bdb17716bf1e98cbb27704f17c283d2c5d3aa1ee9b93a2b