Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-02-2025 04:21
Static task
static1
Behavioral task
behavioral1
Sample
a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe
Resource
win7-20240903-en
General
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Target
a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe
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Size
4.0MB
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MD5
ffb3d1b76eb736458c9df857e845ac70
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SHA1
d633838858d26a2889873ea1e3f3d1648e16f2ea
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SHA256
a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384
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SHA512
81ff23d6f072063827ec562505a428ea9641098d28a85046aaa185d620f41389521f14b888cf17089c92fb833343ed8a231b033922e8555bf9af239c71be5cfd
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SSDEEP
98304:rm9YFcTEfSXfXjawNeqVLMxUFhPGXT431LsNMxqI:lcTEYxeywU/PudOYI
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 behavioral1/files/0x0008000000016c84-53.dat acprotect behavioral1/files/0x00080000000173da-54.dat acprotect -
resource yara_rule behavioral1/files/0x0007000000016c62-19.dat aspack_v212_v242 behavioral1/files/0x0007000000016aa9-55.dat aspack_v212_v242 -
Executes dropped EXE 7 IoCs
pid Process 1836 rutserv.exe 2256 rutserv.exe 2880 rutserv.exe 2144 rutserv.exe 1904 rfusclient.exe 1252 rfusclient.exe 2948 rfusclient.exe -
Loads dropped DLL 2 IoCs
pid Process 2608 cmd.exe 2144 rutserv.exe -
resource yara_rule behavioral1/files/0x0008000000016c84-53.dat upx behavioral1/files/0x00080000000173da-54.dat upx -
Drops file in Program Files directory 19 IoCs
description ioc Process File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\install.bat a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\vp8decoder.dll a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\regedit.reg a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\install.vbs a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171 a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\install.bat a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\vp8decoder.dll a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\regedit.reg a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\__tmp_rar_sfx_access_check_259426620 a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\vp8encoder.dll a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\install.vbs a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rutserv.exe a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File opened for modification C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rutserv.exe a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe File created C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\vp8encoder.dll a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.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 WScript.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 regedit.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 rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2668 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 2156 taskkill.exe 2716 taskkill.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2620 regedit.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 1836 rutserv.exe 1836 rutserv.exe 1836 rutserv.exe 1836 rutserv.exe 2256 rutserv.exe 2256 rutserv.exe 2880 rutserv.exe 2880 rutserv.exe 2144 rutserv.exe 2144 rutserv.exe 2144 rutserv.exe 2144 rutserv.exe 1904 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 2 IoCs
pid Process 1904 rfusclient.exe 2948 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 2156 taskkill.exe Token: SeDebugPrivilege 2716 taskkill.exe Token: SeDebugPrivilege 1836 rutserv.exe Token: SeDebugPrivilege 2880 rutserv.exe Token: SeTakeOwnershipPrivilege 2144 rutserv.exe Token: SeTcbPrivilege 2144 rutserv.exe Token: SeTcbPrivilege 2144 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1836 rutserv.exe 2256 rutserv.exe 2880 rutserv.exe 2144 rutserv.exe -
Suspicious use of WriteProcessMemory 55 IoCs
description pid Process procid_target PID 2788 wrote to memory of 2816 2788 a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe 30 PID 2788 wrote to memory of 2816 2788 a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe 30 PID 2788 wrote to memory of 2816 2788 a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe 30 PID 2788 wrote to memory of 2816 2788 a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe 30 PID 2816 wrote to memory of 2608 2816 WScript.exe 31 PID 2816 wrote to memory of 2608 2816 WScript.exe 31 PID 2816 wrote to memory of 2608 2816 WScript.exe 31 PID 2816 wrote to memory of 2608 2816 WScript.exe 31 PID 2816 wrote to memory of 2608 2816 WScript.exe 31 PID 2816 wrote to memory of 2608 2816 WScript.exe 31 PID 2816 wrote to memory of 2608 2816 WScript.exe 31 PID 2608 wrote to memory of 2156 2608 cmd.exe 33 PID 2608 wrote to memory of 2156 2608 cmd.exe 33 PID 2608 wrote to memory of 2156 2608 cmd.exe 33 PID 2608 wrote to memory of 2156 2608 cmd.exe 33 PID 2608 wrote to memory of 2716 2608 cmd.exe 35 PID 2608 wrote to memory of 2716 2608 cmd.exe 35 PID 2608 wrote to memory of 2716 2608 cmd.exe 35 PID 2608 wrote to memory of 2716 2608 cmd.exe 35 PID 2608 wrote to memory of 2612 2608 cmd.exe 36 PID 2608 wrote to memory of 2612 2608 cmd.exe 36 PID 2608 wrote to memory of 2612 2608 cmd.exe 36 PID 2608 wrote to memory of 2612 2608 cmd.exe 36 PID 2608 wrote to memory of 2620 2608 cmd.exe 37 PID 2608 wrote to memory of 2620 2608 cmd.exe 37 PID 2608 wrote to memory of 2620 2608 cmd.exe 37 PID 2608 wrote to memory of 2620 2608 cmd.exe 37 PID 2608 wrote to memory of 2668 2608 cmd.exe 38 PID 2608 wrote to memory of 2668 2608 cmd.exe 38 PID 2608 wrote to memory of 2668 2608 cmd.exe 38 PID 2608 wrote to memory of 2668 2608 cmd.exe 38 PID 2608 wrote to memory of 1836 2608 cmd.exe 39 PID 2608 wrote to memory of 1836 2608 cmd.exe 39 PID 2608 wrote to memory of 1836 2608 cmd.exe 39 PID 2608 wrote to memory of 1836 2608 cmd.exe 39 PID 2608 wrote to memory of 2256 2608 cmd.exe 40 PID 2608 wrote to memory of 2256 2608 cmd.exe 40 PID 2608 wrote to memory of 2256 2608 cmd.exe 40 PID 2608 wrote to memory of 2256 2608 cmd.exe 40 PID 2608 wrote to memory of 2880 2608 cmd.exe 41 PID 2608 wrote to memory of 2880 2608 cmd.exe 41 PID 2608 wrote to memory of 2880 2608 cmd.exe 41 PID 2608 wrote to memory of 2880 2608 cmd.exe 41 PID 2144 wrote to memory of 1904 2144 rutserv.exe 43 PID 2144 wrote to memory of 1904 2144 rutserv.exe 43 PID 2144 wrote to memory of 1904 2144 rutserv.exe 43 PID 2144 wrote to memory of 1904 2144 rutserv.exe 43 PID 2144 wrote to memory of 1252 2144 rutserv.exe 44 PID 2144 wrote to memory of 1252 2144 rutserv.exe 44 PID 2144 wrote to memory of 1252 2144 rutserv.exe 44 PID 2144 wrote to memory of 1252 2144 rutserv.exe 44 PID 1904 wrote to memory of 2948 1904 rfusclient.exe 45 PID 1904 wrote to memory of 2948 1904 rfusclient.exe 45 PID 1904 wrote to memory of 2948 1904 rfusclient.exe 45 PID 1904 wrote to memory of 2948 1904 rfusclient.exe 45
Processes
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C:\Users\Admin\AppData\Local\Temp\a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe"C:\Users\Admin\AppData\Local\Temp\a37e154eb1cf84d048af4bdc9029389aecda3efed022de289c7de3fabeb08384.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\install.vbs"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\install.bat" "3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2156
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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:2716
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵
- System Location Discovery: System Language Discovery
PID:2612
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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:2620
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C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2668
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C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\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:1836
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C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2256
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C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\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:2880
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C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rutserv.exe"C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rutserv.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe"C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: SetClipboardViewer
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe"C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: SetClipboardViewer
PID:2948
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C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe"C:\Program Files (x86)\Java\jre1.8.0_171\bin\client\rfusclient.exe" /tray2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
480B
MD599db27d776e103cad354b531ee1f20b9
SHA10b82d146df8528f66d1d14756f211fd3a8b1b91a
SHA256240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3
SHA512bc2ed33495c0a752397b2f1b9b7ba65f94ea5be82dde74c618342c83b68f1b92a4783b672cd427843533799e1af0875e0fd000b12236852e9e2fa93005d7ac69
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Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
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Filesize
11KB
MD55c2724d772ae24918aa7b3aa2ac09154
SHA11cbaad869c35de64497f12c16bc6871976edb36b
SHA2567f74c14b980b1eab5f66412d25436a260dc7ed9b09ddfb74b1522917e6f4db35
SHA5128fc11260f7b449fcec564243f7b5d36b8feb6ea8b6500e568568e39283f61461574adf1865f881d0306282776eee02ec51919c076e7f9b8c61cbfed29ddfa7ac
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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
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0