Analysis
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max time kernel
119s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2025, 01:04
Behavioral task
behavioral1
Sample
ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe
Resource
win7-20241010-en
General
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Target
ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe
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Size
1.1MB
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MD5
7f99ce9b97f5e577b97470637c426ee0
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SHA1
c16808d9fc554b1d04ab03d52d83efeabd2cba6c
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SHA256
ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463b
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SHA512
f13faf3eb02b844dfa2c78c7f84aecc13721d3fc9632ba25c14e69b59af7c78910a084007c857510859a5e08f4fa8ab177bdf13aa9e2be205df5756d5aa0daeb
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SSDEEP
24576:f7R4MROxnFl3czErrcI0AilFEvxHPgook/IRx1FPDRyRAVy5p:fSMir1rrcI0AilFEvxHP7/IRx1FPDRyZ
Malware Config
Extracted
orcus
h0metowgh0svi3ws.servequake.com:10114
f4a241c2356f470581f678498d8553bb
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autostart_method
Disable
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enable_keylogger
true
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install_path
%programfiles%\winupdate\Winupdates.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\WinupdateWatchdog.exe
Signatures
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Orcus family
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x00070000000241da-13.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/5988-1-0x0000000000430000-0x0000000000556000-memory.dmp orcus behavioral2/files/0x00070000000241da-13.dat 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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe Key value queried \REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation Winupdates.exe Key value queried \REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation WinupdateWatchdog.exe -
Executes dropped EXE 4 IoCs
pid Process 3084 Winupdates.exe 4576 Winupdates.exe 4744 WinupdateWatchdog.exe 4840 WinupdateWatchdog.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\winupdate\Winupdates.exe ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe File opened for modification C:\Program Files (x86)\winupdate\Winupdates.exe ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe File created C:\Program Files (x86)\winupdate\Winupdates.exe.config ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Winupdates.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Winupdates.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WinupdateWatchdog.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WinupdateWatchdog.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3084 Winupdates.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 4840 WinupdateWatchdog.exe 4840 WinupdateWatchdog.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe 3084 Winupdates.exe 4840 WinupdateWatchdog.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3084 Winupdates.exe Token: SeDebugPrivilege 4744 WinupdateWatchdog.exe Token: SeDebugPrivilege 4840 WinupdateWatchdog.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3084 Winupdates.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5988 wrote to memory of 3084 5988 ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe 88 PID 5988 wrote to memory of 3084 5988 ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe 88 PID 5988 wrote to memory of 3084 5988 ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe 88 PID 3084 wrote to memory of 4744 3084 Winupdates.exe 90 PID 3084 wrote to memory of 4744 3084 Winupdates.exe 90 PID 3084 wrote to memory of 4744 3084 Winupdates.exe 90 PID 4744 wrote to memory of 4840 4744 WinupdateWatchdog.exe 91 PID 4744 wrote to memory of 4840 4744 WinupdateWatchdog.exe 91 PID 4744 wrote to memory of 4840 4744 WinupdateWatchdog.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe"C:\Users\Admin\AppData\Local\Temp\ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5988 -
C:\Program Files (x86)\winupdate\Winupdates.exe"C:\Program Files (x86)\winupdate\Winupdates.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3084 -
C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe"C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\winupdate\Winupdates.exe" 3084 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe"C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe" /watchProcess "C:\Program Files (x86)\winupdate\Winupdates.exe" 3084 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4840
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C:\Program Files (x86)\winupdate\Winupdates.exe"C:\Program Files (x86)\winupdate\Winupdates.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4576
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD57f99ce9b97f5e577b97470637c426ee0
SHA1c16808d9fc554b1d04ab03d52d83efeabd2cba6c
SHA256ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463b
SHA512f13faf3eb02b844dfa2c78c7f84aecc13721d3fc9632ba25c14e69b59af7c78910a084007c857510859a5e08f4fa8ab177bdf13aa9e2be205df5756d5aa0daeb
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33