Analysis
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max time kernel
1199s -
max time network
1201s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22-04-2024 16:11
Static task
static1
Behavioral task
behavioral1
Sample
Extreme Injector v3.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
Extreme Injector v3.exe
Resource
win11-20240412-en
General
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Target
Extreme Injector v3.exe
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Size
1.9MB
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MD5
8a85b1dbf679febd30fe2f55a811de58
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SHA1
d06b7f96415b1ff21adff49ecd84b7b06f01fe6e
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SHA256
cfe2e6d9739a3251ed06594563f1d66e9dd018b3c74a96ca3734cca7880fb105
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SHA512
9b9ba49b1bc4ef056ade2146ad915eeba819485d49dd2825b4f914b68ec572304c8138f1c202508f40a0e8db8c6443270da333e323d631b27897edf915fefabf
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SSDEEP
49152:d4FdetMVCK1LVXXQezP3+Wgm18VeWo/Wz3XEVM:udkCCK3XXQO18VeWJLE
Malware Config
Extracted
orcus
s7vety-47274.portmap.host:47274
2dfc3c3857c0466484c2056fcb13e0c9
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autostart_method
Registry
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enable_keylogger
false
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install_path
%temp%\Windows Updater\updateclient.exe
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reconnect_delay
10000
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registry_keyname
WindowsUpdater
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
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Orcus main payload 1 IoCs
resource yara_rule behavioral1/files/0x00080000000233e7-10.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral1/files/0x00080000000233e7-10.dat orcus behavioral1/memory/2428-30-0x00000000001E0000-0x00000000002CC000-memory.dmp orcus -
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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation Extreme Injector v3.exe Key value queried \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation Update.exe Key value queried \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation updateclient.exe -
Executes dropped EXE 10 IoCs
pid Process 2428 Update.exe 2032 Extreme Injector v3_or.exe 4556 WindowsInput.exe 2288 WindowsInput.exe 1752 updateclient.exe 3616 updateclient.exe 5020 updateclient.exe 1368 updateclient.exe 3568 Uninst.exe 3764 updateclient.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdater = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows Updater\\updateclient.exe\"" updateclient.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 23 raw.githubusercontent.com 24 raw.githubusercontent.com -
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 15 ip-api.com -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe Update.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config Update.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 3544 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe 1752 updateclient.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4468 Extreme Injector v3.exe Token: SeDebugPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: SeDebugPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: SeDebugPrivilege 1752 updateclient.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe Token: 33 2032 Extreme Injector v3_or.exe Token: SeIncBasePriorityPrivilege 2032 Extreme Injector v3_or.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4468 wrote to memory of 2428 4468 Extreme Injector v3.exe 90 PID 4468 wrote to memory of 2428 4468 Extreme Injector v3.exe 90 PID 4468 wrote to memory of 2032 4468 Extreme Injector v3.exe 91 PID 4468 wrote to memory of 2032 4468 Extreme Injector v3.exe 91 PID 2428 wrote to memory of 4556 2428 Update.exe 92 PID 2428 wrote to memory of 4556 2428 Update.exe 92 PID 2428 wrote to memory of 1752 2428 Update.exe 96 PID 2428 wrote to memory of 1752 2428 Update.exe 96 PID 1752 wrote to memory of 4772 1752 updateclient.exe 130 PID 1752 wrote to memory of 4772 1752 updateclient.exe 130 PID 1752 wrote to memory of 4772 1752 updateclient.exe 130 PID 4772 wrote to memory of 3568 4772 Uninstall.exe 131 PID 4772 wrote to memory of 3568 4772 Uninstall.exe 131 PID 4772 wrote to memory of 3568 4772 Uninstall.exe 131 PID 1752 wrote to memory of 2036 1752 updateclient.exe 136 PID 1752 wrote to memory of 2036 1752 updateclient.exe 136 PID 2036 wrote to memory of 3544 2036 cmd.exe 138 PID 2036 wrote to memory of 3544 2036 cmd.exe 138 PID 2036 wrote to memory of 1808 2036 cmd.exe 139 PID 2036 wrote to memory of 1808 2036 cmd.exe 139 PID 1808 wrote to memory of 4700 1808 powershell.exe 140 PID 1808 wrote to memory of 4700 1808 powershell.exe 140 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe"C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Users\Admin\AppData\Local\Temp\Update.exe"C:\Users\Admin\AppData\Local\Temp\Update.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install3⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:4556
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Program Files\7-Zip\Uninstall.exe"C:\Program Files\7-Zip\Uninstall.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Users\Admin\AppData\Local\Temp\7z3EDE02A4\Uninst.exeC:\Users\Admin\AppData\Local\Temp\7z3EDE02A4\Uninst.exe /N /D="C:\Program Files\7-Zip\"5⤵
- Executes dropped EXE
PID:3568
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\system32\ipconfig.exeipconfig5⤵
- Gathers network information
PID:3544
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell5⤵
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\system32\more.com"C:\Windows\system32\more.com"6⤵PID:4700
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C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3_or.exe"C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3_or.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2032
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:2288
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"1⤵
- Executes dropped EXE
PID:3616
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"1⤵
- Executes dropped EXE
PID:5020
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"1⤵
- Executes dropped EXE
PID:1368
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3124
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C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"C:\Users\Admin\AppData\Local\Temp\Windows Updater\updateclient.exe"1⤵
- Executes dropped EXE
PID:3764
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD59be3069b2cf9222dde6c28dd9180a35a
SHA114b76614ed5c94c513b10ada5bd642e888fc1231
SHA2565e4c38466764be178ea21ba3149d0580d25d035b57e081b3abb9c06a19cfd67a
SHA512043256f38c20d8765ddf2f1d5912249bfbb017c0b630d24d9e4894f4a759dec66bf0ffaf878ac69e9dfd6db7ec5e090dd69de2333d83299ef43888c394398885
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Filesize
14KB
MD5ad782ffac62e14e2269bf1379bccbaae
SHA19539773b550e902a35764574a2be2d05bc0d8afc
SHA2561c8a77db924ebeb952052334dc95add388700c02b073b07973cd8fe0a0a360b8
SHA512a1e9d6316ffc55f4751090961733e98c93b2a391666ff50b50e9dea39783746e501d14127e7ee9343926976d7e3cd224f13736530354d8466ea995dab35c8dc2
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Filesize
1.9MB
MD5ec801a7d4b72a288ec6c207bb9ff0131
SHA132eec2ae1f9e201516fa7fcdc16c4928f7997561
SHA256b65f40618f584303ca0bcf9b5f88c233cc4237699c0c4bf40ba8facbe8195a46
SHA512a07dd5e8241de73ce65ff8d74acef4942b85fc45cf6a7baafd3c0f9d330b08e7412f2023ba667e99b40e732a65e8fb4389f7fe73c7b6256ca71e63afe46cdcac
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Filesize
918KB
MD58c6658a8808482bfab2b8ac9840f9e51
SHA1c941721888b49c97c456af1b195a4018e4edeb0c
SHA25695abbef690302956860c174bfa7ee8764f5d4379a2e13a6fd7c945ab2fd113a0
SHA5124fe5a5cbf4baa919320ce2736cdac33e273719272ce76233466e98d334e94a33c8402b8656f35d4d099e3495370953fda1f943cfe07774551420eff004d3172d
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad