Analysis
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max time kernel
147s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2024 01:02
Static task
static1
Behavioral task
behavioral1
Sample
086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe
Resource
win7-20240221-en
General
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Target
086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe
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Size
2.6MB
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MD5
479f7e3e973f2776141c58f7e4ed4858
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SHA1
5f34a9935ca417ed555a920d6f0cec6c0c00b8a7
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SHA256
086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d
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SHA512
557cf98d7b1794dd06671c89585e23e5758a03bce7ad1370bd1092750b85fda2845e100875424cf5c7eaf4811b3b38636f8263cc0e7fcf5fbcd935c8c6a5f863
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SSDEEP
24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx9:Hh+ZkldoPKiYdqd61
Malware Config
Extracted
orcus
ligeon
ligeon.ddns.net:1606
b98fb09a59c24a81b9d17a55ccf2c036
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autostart_method
Disable
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enable_keylogger
true
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install_path
%programfiles%\Orcus\Orcus.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\OrcusWatchdog.exe
Signatures
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Orcurs Rat Executable 1 IoCs
resource yara_rule behavioral2/memory/3960-2-0x0000000000400000-0x00000000004EA000-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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation setspn.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation setspn.exe -
Executes dropped EXE 2 IoCs
pid Process 552 setspn.exe 2056 setspn.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/5076-0-0x00000000007A0000-0x0000000000A4A000-memory.dmp autoit_exe behavioral2/files/0x0007000000023261-16.dat autoit_exe behavioral2/memory/552-17-0x0000000000120000-0x00000000003CA000-memory.dmp autoit_exe behavioral2/memory/2056-36-0x0000000000120000-0x00000000003CA000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 5076 set thread context of 3960 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 90 PID 552 set thread context of 3452 552 setspn.exe 101 PID 2056 set thread context of 820 2056 setspn.exe 107 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3500 schtasks.exe 1516 schtasks.exe 2124 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 552 setspn.exe 552 setspn.exe 552 setspn.exe 552 setspn.exe 2056 setspn.exe 2056 setspn.exe 2056 setspn.exe 2056 setspn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3960 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3960 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 5076 wrote to memory of 3960 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 90 PID 5076 wrote to memory of 3960 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 90 PID 5076 wrote to memory of 3960 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 90 PID 5076 wrote to memory of 3960 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 90 PID 5076 wrote to memory of 3960 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 90 PID 5076 wrote to memory of 3500 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 93 PID 5076 wrote to memory of 3500 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 93 PID 5076 wrote to memory of 3500 5076 086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe 93 PID 552 wrote to memory of 3452 552 setspn.exe 101 PID 552 wrote to memory of 3452 552 setspn.exe 101 PID 552 wrote to memory of 3452 552 setspn.exe 101 PID 552 wrote to memory of 3452 552 setspn.exe 101 PID 552 wrote to memory of 3452 552 setspn.exe 101 PID 552 wrote to memory of 1516 552 setspn.exe 103 PID 552 wrote to memory of 1516 552 setspn.exe 103 PID 552 wrote to memory of 1516 552 setspn.exe 103 PID 2056 wrote to memory of 820 2056 setspn.exe 107 PID 2056 wrote to memory of 820 2056 setspn.exe 107 PID 2056 wrote to memory of 820 2056 setspn.exe 107 PID 2056 wrote to memory of 820 2056 setspn.exe 107 PID 2056 wrote to memory of 820 2056 setspn.exe 107 PID 2056 wrote to memory of 2124 2056 setspn.exe 108 PID 2056 wrote to memory of 2124 2056 setspn.exe 108 PID 2056 wrote to memory of 2124 2056 setspn.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe"C:\Users\Admin\AppData\Local\Temp\086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3960
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F2⤵
- Creates scheduled task(s)
PID:3500
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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=3740 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:2656
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C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exeC:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:3452
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F2⤵
- Creates scheduled task(s)
PID:1516
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C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exeC:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:820
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F2⤵
- Creates scheduled task(s)
PID:2124
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD50672db2ef13237d5cb85075ff4915942
SHA1ad8b4d3eb5e40791c47d48b22e273486f25f663f
SHA2560a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519
SHA51284ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b
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Filesize
2.6MB
MD5aa80016c4d206ef129b14b5e2a51a12c
SHA1361d21f0f22c0b251469cb1d287711b2365be6f2
SHA256945faf8cc27a12313227d884014be17126a96b57e565f5fcb4127474ad2a5e54
SHA512454b14a37ee7315d3b8949c9b33143d66caa2d5c7633e7e1a7abc807dbbed750b4c5b0e9457381361d76306467ab2700b1ea8aed3ab8fa78d76a8bba29d8579e