Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2025 07:56
Static task
static1
Behavioral task
behavioral1
Sample
dd4209f7493b99118c613d3fcc0566ed.exe
Resource
win7-20241010-en
General
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Target
dd4209f7493b99118c613d3fcc0566ed.exe
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Size
3.9MB
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MD5
dd4209f7493b99118c613d3fcc0566ed
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SHA1
5854ccbee044c60a36f462d7fb8118b495354963
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SHA256
9e74aec98d3e2b7af6df0ff58ff86e4a1f5f5f1d09705f2a28151e81900d2aa6
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SHA512
a9937a88057776ac09dfa67747f1bb738b836823566d317b0190416d257dbb8c26ae89068b1ec6b65990a8e94bae0cebc38938bf909042f9c0a54c7d01afe005
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SSDEEP
98304:beZIXSqVHHhmqNaCZMhEgh3hCRS0fFF3tplnICLluBFBrJ:YqVoqNaCZBwsRS09xtvIusB1
Malware Config
Signatures
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Rms family
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000a000000023b26-54.dat acprotect behavioral2/files/0x000a000000023b25-53.dat acprotect -
resource yara_rule behavioral2/files/0x000a000000023b24-20.dat aspack_v212_v242 behavioral2/files/0x000a000000023b23-55.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation dd4209f7493b99118c613d3fcc0566ed.exe Key value queried \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation WScript.exe -
Executes dropped EXE 7 IoCs
pid Process 2152 rutserv.exe 4288 rutserv.exe 736 rutserv.exe 4560 rutserv.exe 4668 rfusclient.exe 2680 rfusclient.exe 764 rfusclient.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rutserv.pdb rutserv.exe File opened for modification C:\Windows\SysWOW64\exe\rutserv.pdb rutserv.exe File opened for modification C:\Windows\SysWOW64\symbols\exe\rutserv.pdb rutserv.exe -
resource yara_rule behavioral2/files/0x000a000000023b26-54.dat upx behavioral2/files/0x000a000000023b25-53.dat upx -
Drops file in Program Files directory 16 IoCs
description ioc Process File created C:\Program Files\Java\__tmp_rar_sfx_access_check_240612359 dd4209f7493b99118c613d3fcc0566ed.exe File created C:\Program Files\Java\rfusclient.exe dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification \??\c:\program files\java\rutserv.pdb rutserv.exe File created C:\Program Files\Java\install.vbs dd4209f7493b99118c613d3fcc0566ed.exe File created C:\Program Files\Java\vp8encoder.dll dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification C:\Program Files\Java\regedit.reg dd4209f7493b99118c613d3fcc0566ed.exe File created C:\Program Files\Java\regedit.reg dd4209f7493b99118c613d3fcc0566ed.exe File created C:\Program Files\Java\install.bat dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification C:\Program Files\Java\install.bat dd4209f7493b99118c613d3fcc0566ed.exe File created C:\Program Files\Java\rutserv.exe dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification C:\Program Files\Java\rutserv.exe dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification C:\Program Files\Java\vp8encoder.dll dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification C:\Program Files\Java\install.vbs dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification C:\Program Files\Java\rfusclient.exe dd4209f7493b99118c613d3fcc0566ed.exe File created C:\Program Files\Java\vp8decoder.dll dd4209f7493b99118c613d3fcc0566ed.exe File opened for modification C:\Program Files\Java\vp8decoder.dll dd4209f7493b99118c613d3fcc0566ed.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 15 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 dd4209f7493b99118c613d3fcc0566ed.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 456 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 1848 taskkill.exe 3052 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000_Classes\Local Settings dd4209f7493b99118c613d3fcc0566ed.exe -
Runs .reg file with regedit 1 IoCs
pid Process 968 regedit.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2152 rutserv.exe 2152 rutserv.exe 2152 rutserv.exe 2152 rutserv.exe 2152 rutserv.exe 2152 rutserv.exe 4288 rutserv.exe 4288 rutserv.exe 736 rutserv.exe 736 rutserv.exe 4560 rutserv.exe 4560 rutserv.exe 4560 rutserv.exe 4560 rutserv.exe 4560 rutserv.exe 4560 rutserv.exe 4668 rfusclient.exe 4668 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
pid Process 764 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3052 taskkill.exe Token: SeDebugPrivilege 1848 taskkill.exe Token: SeDebugPrivilege 2152 rutserv.exe Token: SeDebugPrivilege 736 rutserv.exe Token: SeTakeOwnershipPrivilege 4560 rutserv.exe Token: SeTcbPrivilege 4560 rutserv.exe Token: SeTcbPrivilege 4560 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2152 rutserv.exe 4288 rutserv.exe 736 rutserv.exe 4560 rutserv.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4432 wrote to memory of 5056 4432 dd4209f7493b99118c613d3fcc0566ed.exe 86 PID 4432 wrote to memory of 5056 4432 dd4209f7493b99118c613d3fcc0566ed.exe 86 PID 4432 wrote to memory of 5056 4432 dd4209f7493b99118c613d3fcc0566ed.exe 86 PID 5056 wrote to memory of 2816 5056 WScript.exe 87 PID 5056 wrote to memory of 2816 5056 WScript.exe 87 PID 5056 wrote to memory of 2816 5056 WScript.exe 87 PID 2816 wrote to memory of 3052 2816 cmd.exe 89 PID 2816 wrote to memory of 3052 2816 cmd.exe 89 PID 2816 wrote to memory of 3052 2816 cmd.exe 89 PID 2816 wrote to memory of 1848 2816 cmd.exe 91 PID 2816 wrote to memory of 1848 2816 cmd.exe 91 PID 2816 wrote to memory of 1848 2816 cmd.exe 91 PID 2816 wrote to memory of 2092 2816 cmd.exe 92 PID 2816 wrote to memory of 2092 2816 cmd.exe 92 PID 2816 wrote to memory of 2092 2816 cmd.exe 92 PID 2816 wrote to memory of 968 2816 cmd.exe 93 PID 2816 wrote to memory of 968 2816 cmd.exe 93 PID 2816 wrote to memory of 968 2816 cmd.exe 93 PID 2816 wrote to memory of 456 2816 cmd.exe 94 PID 2816 wrote to memory of 456 2816 cmd.exe 94 PID 2816 wrote to memory of 456 2816 cmd.exe 94 PID 2816 wrote to memory of 2152 2816 cmd.exe 95 PID 2816 wrote to memory of 2152 2816 cmd.exe 95 PID 2816 wrote to memory of 2152 2816 cmd.exe 95 PID 2816 wrote to memory of 4288 2816 cmd.exe 96 PID 2816 wrote to memory of 4288 2816 cmd.exe 96 PID 2816 wrote to memory of 4288 2816 cmd.exe 96 PID 2816 wrote to memory of 736 2816 cmd.exe 97 PID 2816 wrote to memory of 736 2816 cmd.exe 97 PID 2816 wrote to memory of 736 2816 cmd.exe 97 PID 4560 wrote to memory of 4668 4560 rutserv.exe 99 PID 4560 wrote to memory of 4668 4560 rutserv.exe 99 PID 4560 wrote to memory of 4668 4560 rutserv.exe 99 PID 4560 wrote to memory of 2680 4560 rutserv.exe 100 PID 4560 wrote to memory of 2680 4560 rutserv.exe 100 PID 4560 wrote to memory of 2680 4560 rutserv.exe 100 PID 4668 wrote to memory of 764 4668 rfusclient.exe 101 PID 4668 wrote to memory of 764 4668 rfusclient.exe 101 PID 4668 wrote to memory of 764 4668 rfusclient.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\dd4209f7493b99118c613d3fcc0566ed.exe"C:\Users\Admin\AppData\Local\Temp\dd4209f7493b99118c613d3fcc0566ed.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\program files\java\install.vbs"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\Java\install.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3052
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1848
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵
- System Location Discovery: System Language Discovery
PID:2092
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C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"4⤵
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
PID:968
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C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:456
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\??\c:\program files\java\rutserv.exerutserv.exe /silentinstall4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2152
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\??\c:\program files\java\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4288
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\??\c:\program files\java\rutserv.exerutserv.exe /start4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:736
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\??\c:\program files\java\rutserv.exe"c:\program files\java\rutserv.exe"1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4560 -
\??\c:\program files\java\rfusclient.exe"c:\program files\java\rfusclient.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4668 -
\??\c:\program files\java\rfusclient.exe"c:\program files\java\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: SetClipboardViewer
PID:764
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\??\c:\program files\java\rfusclient.exe"c:\program files\java\rfusclient.exe" /tray2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
290B
MD59dc2286281a11ee72985dd2041a58ee3
SHA1de55198aa0f697ed77e98e3e61deb4cb70ba3b03
SHA25667f0f1704add831bd00a4977a185a2c97198cc4b3299233f62c3a0820716268a
SHA512ce4443ec8482cdce28bae0169b0d7df688190a596b914df0bbf62ae2598312c9bfc703ffd2d9b6c548e170bf4cb60cef9d4f9494b0e6391cd8cf6d45affa05f6
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
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Filesize
11KB
MD5bda99f82ad842497074241baef8c1449
SHA12fcd176128a8ea66db7796dc7cb3f8fffb9bdad2
SHA256102614d45322c5cc2454bea73a303baf60ad2a4b7bb7594eea9402832d21fe08
SHA512161babfd48688d7748a718282700a95b04115f14ad9041d7ec99d3dfb64b861dea443cdb41b890b8b432eed6e271136f74500aa2a53c8b44c0e4db84b29b6c98
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
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Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe