Analysis
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max time kernel
114s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-09-2024 20:09
Static task
static1
Behavioral task
behavioral1
Sample
ZeroxStealerInstaller.exe
Resource
win7-20240704-en
General
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Target
ZeroxStealerInstaller.exe
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Size
2.9MB
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MD5
9b1a7d9403b93f7a390d953c2785a9ed
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SHA1
0246222a9290cd73bfda0e402722a82d04507a43
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SHA256
97b156f53366d0aac2e46c97b8f7bb3efb1a541e0a923aed24c0f8e7d4c4ee25
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SHA512
fdf61c48deee07db3563859a934fd9238c3ed33bd68b180fbf46d121b233359b69d3ec6c370f0ca17bbdb444ec8a784985d54a06704dfe1ea22701124b0fc4b0
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SSDEEP
49152:qvo+8aGzQqDRtQH/vpxWIfKgVgVKkbmNoi7r+ogPpkZs/ohvc8q8IzIWvuA8KXAb:qh83dRtMvb/KgVLNNwRkVhBNIzWvKo
Malware Config
Extracted
xworm
lijaligibidu-35558.portmap.host:35558
127.0.0.1:28019
chilhoek-28019.portmap.host:28019
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Install_directory
%AppData%
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install_file
Windows Security.exe
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect Xworm Payload 4 IoCs
resource yara_rule behavioral2/files/0x000c000000023448-6.dat family_xworm behavioral2/files/0x000800000002344e-17.dat family_xworm behavioral2/memory/3984-24-0x00000000004B0000-0x00000000004C8000-memory.dmp family_xworm behavioral2/memory/3860-28-0x0000000000060000-0x000000000007A000-memory.dmp family_xworm -
AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/1252-43-0x00000124FDD70000-0x00000124FDF86000-memory.dmp family_agenttesla -
Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2104 powershell.exe 3024 powershell.exe 4104 powershell.exe 4380 powershell.exe 2936 powershell.exe 3492 powershell.exe 944 powershell.exe 860 powershell.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation XClient (2).exe Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation WindowsSecurity.exe Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation ZeroxStealerInstaller.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Security.lnk WindowsSecurity.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Security.lnk WindowsSecurity.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk XClient (2).exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk XClient (2).exe -
Executes dropped EXE 3 IoCs
pid Process 3984 WindowsSecurity.exe 3860 XClient (2).exe 1252 ZeroxStealerInstaller.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS ZeroxStealerInstaller.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer ZeroxStealerInstaller.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion ZeroxStealerInstaller.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 3492 powershell.exe 3492 powershell.exe 944 powershell.exe 944 powershell.exe 860 powershell.exe 860 powershell.exe 2104 powershell.exe 2104 powershell.exe 3860 XClient (2).exe 3024 powershell.exe 3024 powershell.exe 4104 powershell.exe 4104 powershell.exe 4380 powershell.exe 4380 powershell.exe 2936 powershell.exe 2936 powershell.exe 3984 WindowsSecurity.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3984 WindowsSecurity.exe Token: SeDebugPrivilege 3860 XClient (2).exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeDebugPrivilege 860 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 3860 XClient (2).exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 4104 powershell.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 3984 WindowsSecurity.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3860 XClient (2).exe 3984 WindowsSecurity.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3580 wrote to memory of 3984 3580 ZeroxStealerInstaller.exe 83 PID 3580 wrote to memory of 3984 3580 ZeroxStealerInstaller.exe 83 PID 3580 wrote to memory of 3860 3580 ZeroxStealerInstaller.exe 84 PID 3580 wrote to memory of 3860 3580 ZeroxStealerInstaller.exe 84 PID 3580 wrote to memory of 1252 3580 ZeroxStealerInstaller.exe 85 PID 3580 wrote to memory of 1252 3580 ZeroxStealerInstaller.exe 85 PID 3860 wrote to memory of 3492 3860 XClient (2).exe 95 PID 3860 wrote to memory of 3492 3860 XClient (2).exe 95 PID 3860 wrote to memory of 944 3860 XClient (2).exe 97 PID 3860 wrote to memory of 944 3860 XClient (2).exe 97 PID 3860 wrote to memory of 860 3860 XClient (2).exe 99 PID 3860 wrote to memory of 860 3860 XClient (2).exe 99 PID 3860 wrote to memory of 2104 3860 XClient (2).exe 102 PID 3860 wrote to memory of 2104 3860 XClient (2).exe 102 PID 3984 wrote to memory of 3024 3984 WindowsSecurity.exe 106 PID 3984 wrote to memory of 3024 3984 WindowsSecurity.exe 106 PID 3984 wrote to memory of 4104 3984 WindowsSecurity.exe 108 PID 3984 wrote to memory of 4104 3984 WindowsSecurity.exe 108 PID 3984 wrote to memory of 4380 3984 WindowsSecurity.exe 110 PID 3984 wrote to memory of 4380 3984 WindowsSecurity.exe 110 PID 3984 wrote to memory of 2936 3984 WindowsSecurity.exe 112 PID 3984 wrote to memory of 2936 3984 WindowsSecurity.exe 112
Processes
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C:\Users\Admin\AppData\Local\Temp\ZeroxStealerInstaller.exe"C:\Users\Admin\AppData\Local\Temp\ZeroxStealerInstaller.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe"C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3024
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsSecurity.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4104
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Windows Security.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4380
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Security.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936
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C:\Users\Admin\AppData\Roaming\XClient (2).exe"C:\Users\Admin\AppData\Roaming\XClient (2).exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient (2).exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3492
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient (2).exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:944
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svhost.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:860
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2104
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C:\Users\Admin\AppData\Roaming\ZeroxStealerInstaller.exe"C:\Users\Admin\AppData\Roaming\ZeroxStealerInstaller.exe"2⤵
- Executes dropped EXE
- Enumerates system info in registry
PID:1252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD5a2c8179aaa149c0b9791b73ce44c04d1
SHA1703361b0d43ec7f669304e7c0ffbbfdeb1e484ff
SHA256c1d30342a40a2b6e7553da30ceb85754d33820f6fbb3bbbed1ceb30d6390de4a
SHA5122e201dd457d055baad86f68c15bcc7beb48d6dc2ffc10db7f304eb93f697e7b45991cbde857d25da2c9c60c23f3e13df8b5ed5809c1753737a23096e296cc9e3
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Filesize
944B
MD5e58749a7a1826f6ea62df1e2ef63a32b
SHA1c0bca21658b8be4f37b71eec9578bfefa44f862d
SHA2560e1f0e684adb40a5d0668df5fed007c9046137d7ae16a1f2f343b139d5f9bc93
SHA5124cf45b2b11ab31e7f67fff286b29d50ed28cd6043091144c5c0f1348b5f5916ed7479cf985595e6f096b586ab93b4b5dce612f688049b8366a2dd91863e98b70
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Filesize
944B
MD5e5663972c1caaba7088048911c758bf3
SHA13462dea0f9c2c16a9c3afdaef8bbb1f753c1c198
SHA2569f7f29a4696876cadca3f14d7e43f9ede0c97fd64be3f5d94bda49a91b6a419e
SHA512ff4e72c46cf083de62baa2ce2661555dd91b5f144294015f7b262fd4500cb67fe80e1871a82da63b607e3e9cef401f4b73c587bf1134637881ecad51aad1eddc
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Filesize
944B
MD565a68df1062af34622552c4f644a5708
SHA16f6ecf7b4b635abb0b132d95dac2759dc14b50af
SHA256718dc2f5f4a6dbb7fab7f3db05bd7f602fb16526caae7084ab46c3ab4e7bad35
SHA5124e460eb566032942547b58411222dd26ae300a95f83cf5ae6df58ebd28594341123611b348bd4031a33bc7f38307d5cb8fb677bba8c896919e3eee677a104d4d
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Filesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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Filesize
944B
MD53db1c0d23daacf01eb99125ccc2787d3
SHA10849528de1ba411279231d635d8f39d54cc829d2
SHA256bceb96f5c3d31447980eb8cd891bba75b3e5b6eb60abf4d829fc13cd8faf2582
SHA5123d84635a3395bca1d91ce182ccfb9e38c8da87ad678704673a72d580e4251cedc5a6b2a89040a172a5687b67952e74a13673bd115bce7bdabaed06f89323de5b
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Filesize
944B
MD515dde0683cd1ca19785d7262f554ba93
SHA1d039c577e438546d10ac64837b05da480d06bf69
SHA256d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
SHA51257c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
75KB
MD5cf219a189dae4a022f26dd58cd5367e6
SHA176c2e7b756e894afc4e5fd7267fce398d58c518f
SHA256725c0bcdb953e39e96a0192d2712b261541647259e494c583d19697a10d2ffbe
SHA51221dc7cdd5ea07be708a5c696708207a1760851d2fbb608969254a8f3e806bbb87b6b27a4d5f4cecf1b5d90f6fc81759fd9f6222ddafdb955d41b0333ea085f1f
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Filesize
81KB
MD5c1b7e4e3a25be04cc93a44017bd58298
SHA1b40e7d99a41bd49172cd23470ccb4387b3351942
SHA2569f36f62ffb252f041490ccf9faf344e03a7987a566cc399f0be06e4e5e60fbcb
SHA5124192250e78e0a3440e2b5d1b7782566a55d96fa8a68877ff8869f617ce3095374289c78ea3d200082fb91efb8fcbce8fea946fcfea08cef05265a2c3512f99cf
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Filesize
2.7MB
MD5e4468845f3b426403f3223a1b18cf858
SHA19cea44a892f83e660d56a69bc97af2c094b2f087
SHA2567cebe983265c3a77b2a369b56edd521733e9103f1a42fd09dcaf5abf5dd547bd
SHA512c4703c2f3f0bb92020b4d920d5ba2e6ba7e505ae736bc7b4d5289ed8b3faff3748061f731e6f6ecf0aa6d78eccbfa187175a07f54bd7e4b97345f8bc91080840