Analysis
-
max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
21-07-2024 21:27
Static task
static1
Behavioral task
behavioral1
Sample
6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe
Resource
win7-20240705-en
General
-
Target
6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe
-
Size
4.1MB
-
MD5
6176671cb33d4d4d3fa7f5ce0309e013
-
SHA1
84f0318360043a2e0092bcb9b638be5f9654b27e
-
SHA256
ff5117bd82ec58a48f9974743ac01fe001c2a0555808589db1f2cfdf593e3c64
-
SHA512
c371a962c75a3d36ce4d73a57583dcf8af3b57087d76f1859ec183696a53d5a0e4302317077e58660558bb492896333842960273f2f617bcdb533835cfb53d82
-
SSDEEP
98304:ddm38RzYf0ML2x5tTDaLclizm7KQF1iEaGzMG:ddlRzYI7Da4Ii7KQrLMG
Malware Config
Signatures
-
ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Program Files\vp8encoder.dll acprotect C:\Program Files\vp8decoder.dll acprotect -
Processes:
resource yara_rule C:\Program Files\rutserv.exe aspack_v212_v242 C:\Program Files\rfusclient.exe aspack_v212_v242 -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
WScript.execmd.exe6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe -
Executes dropped EXE 7 IoCs
Processes:
rutserv.exerutserv.exerutserv.exerutserv.exerfusclient.exerfusclient.exerfusclient.exepid process 3548 rutserv.exe 388 rutserv.exe 2260 rutserv.exe 3220 rutserv.exe 1744 rfusclient.exe 4232 rfusclient.exe 3548 rfusclient.exe -
Processes:
resource yara_rule C:\Program Files\vp8encoder.dll upx C:\Program Files\vp8decoder.dll upx -
Drops file in Program Files directory 19 IoCs
Processes:
6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exeWINWORD.EXEdescription ioc process File opened for modification C:\Program Files\vp8decoder.dll 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File opened for modification C:\Program Files\1.doc WINWORD.EXE File opened for modification C:\Program Files\install.bat 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\rfusclient.exe 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File opened for modification C:\Program Files\rutserv.exe 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\vp8encoder.dll 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\~$1.doc WINWORD.EXE File created C:\Program Files\rutserv.exe 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\__tmp_rar_sfx_access_check_240631890 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\1.doc 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\install.bat 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\install.vbs 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File opened for modification C:\Program Files\regedit.reg 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File opened for modification C:\Program Files\vp8encoder.dll 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File opened for modification C:\Program Files\1.doc 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File opened for modification C:\Program Files\install.vbs 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\regedit.reg 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File opened for modification C:\Program Files\rfusclient.exe 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe File created C:\Program Files\vp8decoder.dll 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2228 timeout.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Kills process with taskkill 2 IoCs
Processes:
taskkill.exetaskkill.exepid process 3956 taskkill.exe 4200 taskkill.exe -
Modifies registry class 2 IoCs
Processes:
6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.execmd.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings cmd.exe -
Runs .reg file with regedit 1 IoCs
Processes:
regedit.exepid process 3336 regedit.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3160 WINWORD.EXE 3160 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
rutserv.exerutserv.exerutserv.exerutserv.exerfusclient.exepid process 3548 rutserv.exe 3548 rutserv.exe 3548 rutserv.exe 3548 rutserv.exe 3548 rutserv.exe 3548 rutserv.exe 388 rutserv.exe 388 rutserv.exe 2260 rutserv.exe 2260 rutserv.exe 3220 rutserv.exe 3220 rutserv.exe 3220 rutserv.exe 3220 rutserv.exe 3220 rutserv.exe 3220 rutserv.exe 1744 rfusclient.exe 1744 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
rfusclient.exepid process 3548 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
taskkill.exetaskkill.exerutserv.exerutserv.exerutserv.exedescription pid process Token: SeDebugPrivilege 3956 taskkill.exe Token: SeDebugPrivilege 4200 taskkill.exe Token: SeDebugPrivilege 3548 rutserv.exe Token: SeDebugPrivilege 2260 rutserv.exe Token: SeTakeOwnershipPrivilege 3220 rutserv.exe Token: SeTcbPrivilege 3220 rutserv.exe Token: SeTcbPrivilege 3220 rutserv.exe -
Suspicious use of SetWindowsHookEx 11 IoCs
Processes:
rutserv.exerutserv.exerutserv.exerutserv.exeWINWORD.EXEpid process 3548 rutserv.exe 388 rutserv.exe 2260 rutserv.exe 3220 rutserv.exe 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exeWScript.execmd.exerutserv.exerfusclient.exedescription pid process target process PID 2312 wrote to memory of 424 2312 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe WScript.exe PID 2312 wrote to memory of 424 2312 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe WScript.exe PID 2312 wrote to memory of 424 2312 6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe WScript.exe PID 424 wrote to memory of 2432 424 WScript.exe cmd.exe PID 424 wrote to memory of 2432 424 WScript.exe cmd.exe PID 424 wrote to memory of 2432 424 WScript.exe cmd.exe PID 2432 wrote to memory of 3956 2432 cmd.exe taskkill.exe PID 2432 wrote to memory of 3956 2432 cmd.exe taskkill.exe PID 2432 wrote to memory of 3956 2432 cmd.exe taskkill.exe PID 2432 wrote to memory of 4200 2432 cmd.exe taskkill.exe PID 2432 wrote to memory of 4200 2432 cmd.exe taskkill.exe PID 2432 wrote to memory of 4200 2432 cmd.exe taskkill.exe PID 2432 wrote to memory of 1860 2432 cmd.exe reg.exe PID 2432 wrote to memory of 1860 2432 cmd.exe reg.exe PID 2432 wrote to memory of 1860 2432 cmd.exe reg.exe PID 2432 wrote to memory of 3336 2432 cmd.exe regedit.exe PID 2432 wrote to memory of 3336 2432 cmd.exe regedit.exe PID 2432 wrote to memory of 3336 2432 cmd.exe regedit.exe PID 2432 wrote to memory of 2228 2432 cmd.exe timeout.exe PID 2432 wrote to memory of 2228 2432 cmd.exe timeout.exe PID 2432 wrote to memory of 2228 2432 cmd.exe timeout.exe PID 2432 wrote to memory of 3548 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 3548 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 3548 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 388 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 388 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 388 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 2260 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 2260 2432 cmd.exe rutserv.exe PID 2432 wrote to memory of 2260 2432 cmd.exe rutserv.exe PID 3220 wrote to memory of 4232 3220 rutserv.exe rfusclient.exe PID 3220 wrote to memory of 4232 3220 rutserv.exe rfusclient.exe PID 3220 wrote to memory of 4232 3220 rutserv.exe rfusclient.exe PID 3220 wrote to memory of 1744 3220 rutserv.exe rfusclient.exe PID 3220 wrote to memory of 1744 3220 rutserv.exe rfusclient.exe PID 3220 wrote to memory of 1744 3220 rutserv.exe rfusclient.exe PID 2432 wrote to memory of 3160 2432 cmd.exe WINWORD.EXE PID 2432 wrote to memory of 3160 2432 cmd.exe WINWORD.EXE PID 1744 wrote to memory of 3548 1744 rfusclient.exe rfusclient.exe PID 1744 wrote to memory of 3548 1744 rfusclient.exe rfusclient.exe PID 1744 wrote to memory of 3548 1744 rfusclient.exe rfusclient.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6176671cb33d4d4d3fa7f5ce0309e013_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files\install.vbs"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:424 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\install.bat" "3⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3956
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4200
-
-
C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵PID:1860
-
-
C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"4⤵
- Runs .reg file with regedit
PID:3336
-
-
C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
PID:2228
-
-
C:\Program Files\rutserv.exerutserv.exe /silentinstall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3548
-
-
C:\Program Files\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:388
-
-
C:\Program Files\rutserv.exerutserv.exe /start4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2260
-
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Program Files\1.doc" /o ""4⤵
- Drops file in Program Files directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3160
-
-
-
-
C:\Program Files\rutserv.exe"C:\Program Files\rutserv.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Program Files\rfusclient.exe"C:\Program Files\rfusclient.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Program Files\rfusclient.exe"C:\Program Files\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:3548
-
-
-
C:\Program Files\rfusclient.exe"C:\Program Files\rfusclient.exe" /tray2⤵
- Executes dropped EXE
PID:4232
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
49KB
MD52d17816c1b66dd964511796c037045e5
SHA14f7199f48ed081de8a904a77ed73c65f35d15bf9
SHA2569585e54a4d46e70491c8098d9abeaeb470a12a2a45e1bfd00100d28d79df61c4
SHA5120b0c21f94ae6d4f7687a7e1fc92e182abd39da807f4465c22830d0a9425731d603c790d85481d3fbc4d6cfd34a2bb899adf02b30f30bfb0ad9bc031b51fe37be
-
Filesize
304B
MD573e89f8df08e778feca688998addfec4
SHA1a715a2dba5412da8bfd17ccff4cf931822463085
SHA2560506dec7ee56d3e967dba45fa02e410a9c79530878244c2b23e6599ec7ff6bfd
SHA512a93d30718fefc5b2dcf17f16b599f03f91fb7e8e99d9a2a7986d6138755866772446cd1c287b85c849b5505735f1d924aff534e5857a8a79e157c237f98892d2
-
Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
-
Filesize
11KB
MD51af884daf80a198ffbf15c9b8dfc6c22
SHA12e739eaf745589120d7ab7cc84620dbd23c6bc34
SHA256cd8c505eb4871be9ed511d2d3edfc0da66a6c539c64179628a491168054daf8c
SHA512925c854ea40c890e49cbcf77a41ce6eadf81dc05f8256bbf34860ba00c29b26fa6a5deaf9431f0b6d9639fcae557f634b0ceb7e0d5b7c552095121328e31b9dc
-
Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
-
Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
-
Filesize
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
-
Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe
-
Filesize
245KB
MD5f883b260a8d67082ea895c14bf56dd56
SHA17954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e
-
Filesize
293B
MD53f0b6acbfacb8218f246d14d54b1e00f
SHA1eea3d3ca007b0733157ca3db4de3e4f5d2b2c8dd
SHA256de0d6e6630201b775692963f2f234f0c72d0504342221cd755c585c6fa99e498
SHA5121def8464123a001ab5ebc5fe34259672f66aafd5365918e903ae135f089cc0f69b872abb6890b98d08aef0b3b5566e2b6fac8e3d3f467acc597439897caa7ef6
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize1KB
MD50dcc41ce777cbacc1ca23b97a3765b55
SHA13bc197897cb100d3aa823533227d5d35b5eec412
SHA256f3939123244b0d4ecff6938e3e8ae28550c1e0b18f398c674f345b7cb8e76995
SHA5124081eb80be3281d787088b944a0f3a724818a4cfaea981dac6c58ed8f82595ef9729581ca79d835c151e1ef35849c5c5b5789752df5c6a153ae0eea4899df99f
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize1KB
MD561d73a6acab2857b2535ec979d2395f2
SHA1889bfb96dbb20ea3645543d52dc594c931ffa03f
SHA256414db2e59417f6b049eb3e79542ad4fe76eb187ce66e23e7e4a60cf2db34d9ad
SHA5123289468ee87606c373e51cf8d67d22aa61b181640a3bcf4355b039d87d89e799b9396d70e775a01da58ea47c85d61280a593057900217753618e487ec844bab6