Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
13-06-2024 22:23
Static task
static1
Behavioral task
behavioral1
Sample
a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe
Resource
win7-20240611-en
General
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Target
a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe
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Size
4.4MB
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MD5
a6dd627c0d5fc8d3fdb78cb52d60840e
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SHA1
7e7bba4ddc7db6e14575529e61873862ae3d276d
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SHA256
491f3e8ab7023cf14d49c1ec10e5507aaa9dbcf32eeffd614ec88ab8dc7b1d1a
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SHA512
b7919f22807de742a336162b653b0b95ef35163436ecba56bf1971bf82e16a3269a3058918bf45174668aee1d0b7ea74c7eeed45066b7596de4deb4fb36b8a01
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SSDEEP
98304:U+eGXU9Ac38RzYf0ML2x5tTDaLclizm7KQF1iEaGzMG:U+zOAXRzYI7Da4Ii7KQrLMG
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000700000002347d-56.dat acprotect behavioral2/files/0x000700000002347c-55.dat acprotect -
resource yara_rule behavioral2/files/0x000700000002347b-22.dat aspack_v212_v242 behavioral2/files/0x000700000002347a-57.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-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation WScript.exe -
Executes dropped EXE 7 IoCs
pid Process 1684 rutserv.exe 2388 rutserv.exe 4132 rutserv.exe 4332 rutserv.exe 1624 rfusclient.exe 4700 rfusclient.exe 748 rfusclient.exe -
resource yara_rule behavioral2/files/0x000700000002347d-56.dat upx behavioral2/files/0x000700000002347c-55.dat upx -
Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files\Java\rutserv.exe a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\vp8decoder.dll a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\vp8decoder.dll a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\rfusclient.exe a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\rfusclient.exe a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\vp8encoder.dll a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\vp8encoder.dll a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\regedit.reg a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\converted_file_318bebaf.ico a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\install.bat a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\install.vbs a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\install.vbs a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\regedit.reg a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\rutserv.exe a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\__tmp_rar_sfx_access_check_240608078 a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File opened for modification C:\Program Files\Java\install.bat a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe File created C:\Program Files\Java\converted_file_318bebaf.ico a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 1540 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 636 taskkill.exe 5060 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000_Classes\Local Settings a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2872 regedit.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 1684 rutserv.exe 1684 rutserv.exe 1684 rutserv.exe 1684 rutserv.exe 1684 rutserv.exe 1684 rutserv.exe 2388 rutserv.exe 2388 rutserv.exe 4132 rutserv.exe 4132 rutserv.exe 4332 rutserv.exe 4332 rutserv.exe 4332 rutserv.exe 4332 rutserv.exe 4332 rutserv.exe 4332 rutserv.exe 1624 rfusclient.exe 1624 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
pid Process 748 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 5060 taskkill.exe Token: SeDebugPrivilege 636 taskkill.exe Token: SeDebugPrivilege 1684 rutserv.exe Token: SeDebugPrivilege 4132 rutserv.exe Token: SeTakeOwnershipPrivilege 4332 rutserv.exe Token: SeTcbPrivilege 4332 rutserv.exe Token: SeTcbPrivilege 4332 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1684 rutserv.exe 2388 rutserv.exe 4132 rutserv.exe 4332 rutserv.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 808 wrote to memory of 3360 808 a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe 84 PID 808 wrote to memory of 3360 808 a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe 84 PID 808 wrote to memory of 3360 808 a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe 84 PID 3360 wrote to memory of 2844 3360 WScript.exe 85 PID 3360 wrote to memory of 2844 3360 WScript.exe 85 PID 3360 wrote to memory of 2844 3360 WScript.exe 85 PID 2844 wrote to memory of 5060 2844 cmd.exe 87 PID 2844 wrote to memory of 5060 2844 cmd.exe 87 PID 2844 wrote to memory of 5060 2844 cmd.exe 87 PID 2844 wrote to memory of 636 2844 cmd.exe 90 PID 2844 wrote to memory of 636 2844 cmd.exe 90 PID 2844 wrote to memory of 636 2844 cmd.exe 90 PID 2844 wrote to memory of 2100 2844 cmd.exe 91 PID 2844 wrote to memory of 2100 2844 cmd.exe 91 PID 2844 wrote to memory of 2100 2844 cmd.exe 91 PID 2844 wrote to memory of 2872 2844 cmd.exe 92 PID 2844 wrote to memory of 2872 2844 cmd.exe 92 PID 2844 wrote to memory of 2872 2844 cmd.exe 92 PID 2844 wrote to memory of 1540 2844 cmd.exe 93 PID 2844 wrote to memory of 1540 2844 cmd.exe 93 PID 2844 wrote to memory of 1540 2844 cmd.exe 93 PID 2844 wrote to memory of 1684 2844 cmd.exe 94 PID 2844 wrote to memory of 1684 2844 cmd.exe 94 PID 2844 wrote to memory of 1684 2844 cmd.exe 94 PID 2844 wrote to memory of 2388 2844 cmd.exe 95 PID 2844 wrote to memory of 2388 2844 cmd.exe 95 PID 2844 wrote to memory of 2388 2844 cmd.exe 95 PID 2844 wrote to memory of 4132 2844 cmd.exe 96 PID 2844 wrote to memory of 4132 2844 cmd.exe 96 PID 2844 wrote to memory of 4132 2844 cmd.exe 96 PID 4332 wrote to memory of 1624 4332 rutserv.exe 98 PID 4332 wrote to memory of 1624 4332 rutserv.exe 98 PID 4332 wrote to memory of 1624 4332 rutserv.exe 98 PID 4332 wrote to memory of 4700 4332 rutserv.exe 99 PID 4332 wrote to memory of 4700 4332 rutserv.exe 99 PID 4332 wrote to memory of 4700 4332 rutserv.exe 99 PID 1624 wrote to memory of 748 1624 rfusclient.exe 100 PID 1624 wrote to memory of 748 1624 rfusclient.exe 100 PID 1624 wrote to memory of 748 1624 rfusclient.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a6dd627c0d5fc8d3fdb78cb52d60840e_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files\java\install.vbs"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3360 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\Java\install.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5060
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:636
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵PID:2100
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C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"4⤵
- Runs .reg file with regedit
PID:2872
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C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
PID:1540
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C:\Program Files\java\rutserv.exerutserv.exe /silentinstall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1684
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C:\Program Files\java\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2388
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C:\Program Files\java\rutserv.exerutserv.exe /start4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4132
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C:\Program Files\java\rutserv.exe"C:\Program Files\java\rutserv.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Program Files\java\rfusclient.exe"C:\Program Files\java\rfusclient.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Program Files\java\rfusclient.exe"C:\Program Files\java\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:748
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C:\Program Files\java\rfusclient.exe"C:\Program Files\java\rfusclient.exe" /tray2⤵
- Executes dropped EXE
PID:4700
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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
MD5d0d63d3832e800eb2b17b03173459ef8
SHA1362267687d55cd51df2c905b3852e51b941bf29c
SHA2560ad0aa70ab35a392bf999cf9ae556ffbc1f4b2bd8ea983867763c9ff78ffb282
SHA512379cd6de7d5b2cdab975bbf457ddd20686ef8587a62110ff9dfede193ed463822abf99127de8c21813af0ca6096435bb259c9abc34d5f512cfd63e4b988e7bfd
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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