Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 05:09
Static task
static1
Behavioral task
behavioral1
Sample
70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe
Resource
win7-20240508-en
General
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Target
70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe
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Size
4.0MB
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MD5
70f0ef0d07717e93b144a8cb9c269619
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SHA1
26b28eed4f5c29b3754377ec26228faa3dca02a4
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SHA256
96b9d308e4fe6eaf4695236381e80a7ab129e920689e4b3b17eb07076088787d
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SHA512
f5fd5f94265772592b52571b299265b291643ca2865e95e466b8cb457db725f96f3ffe3e72a567270ad60e79e3b651552ec3965c9703e401947fc06f1446a57b
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SSDEEP
98304:ggUYAFU4f8sKGeqVLMxUFhPGXEZIeR1LsNMxyV:ghFU4QGeywU/PFzMO6
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral2/files/0x0007000000023420-54.dat acprotect behavioral2/files/0x000700000002341f-53.dat acprotect -
Processes:
resource yara_rule behavioral2/files/0x000700000002341e-20.dat aspack_v212_v242 behavioral2/files/0x000700000002341d-55.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exeWScript.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation WScript.exe -
Executes dropped EXE 7 IoCs
Processes:
rutserv.exerutserv.exerutserv.exerutserv.exerfusclient.exerfusclient.exerfusclient.exepid Process 4540 rutserv.exe 4872 rutserv.exe 2824 rutserv.exe 3540 rutserv.exe 4528 rfusclient.exe 632 rfusclient.exe 4888 rfusclient.exe -
Processes:
resource yara_rule behavioral2/files/0x0007000000023420-54.dat upx behavioral2/files/0x000700000002341f-53.dat upx -
Drops file in Program Files directory 16 IoCs
Processes:
70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exedescription ioc Process File created C:\Program Files\Microsoft Games\install.bat 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File created C:\Program Files\Microsoft Games\vp8encoder.dll 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File created C:\Program Files\Microsoft Games\regedit.reg 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games\install.vbs 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File created C:\Program Files\Microsoft Games\__tmp_rar_sfx_access_check_240605015 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games\install.bat 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File created C:\Program Files\Microsoft Games\vp8decoder.dll 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File created C:\Program Files\Microsoft Games\install.vbs 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games\vp8encoder.dll 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games\regedit.reg 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File created C:\Program Files\Microsoft Games\rfusclient.exe 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games\rfusclient.exe 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File created C:\Program Files\Microsoft Games\rutserv.exe 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games\rutserv.exe 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Games\vp8decoder.dll 70f0ef0d07717e93b144a8cb9c269619_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
Processes:
timeout.exepid Process 2412 timeout.exe -
Kills process with taskkill 2 IoCs
Processes:
taskkill.exetaskkill.exepid Process 1824 taskkill.exe 2940 taskkill.exe -
Modifies registry class 1 IoCs
Processes:
70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe -
Runs .reg file with regedit 1 IoCs
Processes:
regedit.exepid Process 3868 regedit.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
rutserv.exerutserv.exerutserv.exerutserv.exerfusclient.exepid Process 4540 rutserv.exe 4540 rutserv.exe 4540 rutserv.exe 4540 rutserv.exe 4540 rutserv.exe 4540 rutserv.exe 4872 rutserv.exe 4872 rutserv.exe 2824 rutserv.exe 2824 rutserv.exe 3540 rutserv.exe 3540 rutserv.exe 3540 rutserv.exe 3540 rutserv.exe 3540 rutserv.exe 3540 rutserv.exe 4528 rfusclient.exe 4528 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
rfusclient.exepid Process 4888 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
taskkill.exetaskkill.exerutserv.exerutserv.exerutserv.exedescription pid Process Token: SeDebugPrivilege 1824 taskkill.exe Token: SeDebugPrivilege 2940 taskkill.exe Token: SeDebugPrivilege 4540 rutserv.exe Token: SeDebugPrivilege 2824 rutserv.exe Token: SeTakeOwnershipPrivilege 3540 rutserv.exe Token: SeTcbPrivilege 3540 rutserv.exe Token: SeTcbPrivilege 3540 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
rutserv.exerutserv.exerutserv.exerutserv.exepid Process 4540 rutserv.exe 4872 rutserv.exe 2824 rutserv.exe 3540 rutserv.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exeWScript.execmd.exerutserv.exerfusclient.exedescription pid Process procid_target PID 2356 wrote to memory of 1520 2356 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe 83 PID 2356 wrote to memory of 1520 2356 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe 83 PID 2356 wrote to memory of 1520 2356 70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe 83 PID 1520 wrote to memory of 3044 1520 WScript.exe 84 PID 1520 wrote to memory of 3044 1520 WScript.exe 84 PID 1520 wrote to memory of 3044 1520 WScript.exe 84 PID 3044 wrote to memory of 1824 3044 cmd.exe 86 PID 3044 wrote to memory of 1824 3044 cmd.exe 86 PID 3044 wrote to memory of 1824 3044 cmd.exe 86 PID 3044 wrote to memory of 2940 3044 cmd.exe 88 PID 3044 wrote to memory of 2940 3044 cmd.exe 88 PID 3044 wrote to memory of 2940 3044 cmd.exe 88 PID 3044 wrote to memory of 1612 3044 cmd.exe 89 PID 3044 wrote to memory of 1612 3044 cmd.exe 89 PID 3044 wrote to memory of 1612 3044 cmd.exe 89 PID 3044 wrote to memory of 3868 3044 cmd.exe 90 PID 3044 wrote to memory of 3868 3044 cmd.exe 90 PID 3044 wrote to memory of 3868 3044 cmd.exe 90 PID 3044 wrote to memory of 2412 3044 cmd.exe 91 PID 3044 wrote to memory of 2412 3044 cmd.exe 91 PID 3044 wrote to memory of 2412 3044 cmd.exe 91 PID 3044 wrote to memory of 4540 3044 cmd.exe 97 PID 3044 wrote to memory of 4540 3044 cmd.exe 97 PID 3044 wrote to memory of 4540 3044 cmd.exe 97 PID 3044 wrote to memory of 4872 3044 cmd.exe 100 PID 3044 wrote to memory of 4872 3044 cmd.exe 100 PID 3044 wrote to memory of 4872 3044 cmd.exe 100 PID 3044 wrote to memory of 2824 3044 cmd.exe 103 PID 3044 wrote to memory of 2824 3044 cmd.exe 103 PID 3044 wrote to memory of 2824 3044 cmd.exe 103 PID 3540 wrote to memory of 632 3540 rutserv.exe 108 PID 3540 wrote to memory of 632 3540 rutserv.exe 108 PID 3540 wrote to memory of 632 3540 rutserv.exe 108 PID 3540 wrote to memory of 4528 3540 rutserv.exe 107 PID 3540 wrote to memory of 4528 3540 rutserv.exe 107 PID 3540 wrote to memory of 4528 3540 rutserv.exe 107 PID 4528 wrote to memory of 4888 4528 rfusclient.exe 109 PID 4528 wrote to memory of 4888 4528 rfusclient.exe 109 PID 4528 wrote to memory of 4888 4528 rfusclient.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\70f0ef0d07717e93b144a8cb9c269619_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files\Microsoft Games\install.vbs"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\Microsoft Games\install.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1824
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2940
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵PID:1612
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C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"4⤵
- Runs .reg file with regedit
PID:3868
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C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
PID:2412
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C:\Program Files\Microsoft Games\rutserv.exerutserv.exe /silentinstall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4540
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C:\Program Files\Microsoft Games\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4872
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C:\Program Files\Microsoft Games\rutserv.exerutserv.exe /start4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2824
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C:\Program Files\Microsoft Games\rutserv.exe"C:\Program Files\Microsoft Games\rutserv.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Program Files\Microsoft Games\rfusclient.exe"C:\Program Files\Microsoft Games\rfusclient.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Program Files\Microsoft Games\rfusclient.exe"C:\Program Files\Microsoft Games\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:4888
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C:\Program Files\Microsoft Games\rfusclient.exe"C:\Program Files\Microsoft Games\rfusclient.exe" /tray2⤵
- Executes dropped EXE
PID:632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
MD5897b37212d4b9a127069b255d7a573fd
SHA1a6ba28354aaa9d53128cc72f37baf349a17e7274
SHA256f9472fc6e4c282b5566c969bbd10bd20e17398dbd2942fd7fe01c9ad1fa15764
SHA5122eab07d29fd4fb454db50ab086d6de4534c0eeb9abb68a3edd36011d198277f78e10f07d9c3cfecd1a96448dd631c684228289fd5e319116b956ae53510af156
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
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Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe