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Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
25/06/2024, 21:29
Static task
static1
Behavioral task
behavioral1
Sample
0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/GameuxInstallHelper.dll
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/GameuxInstallHelper.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240419-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
General
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Target
0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe
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Size
124KB
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MD5
0f98374016e2f3a77034ecf068624e89
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SHA1
6c363894525531dfd2135d648cbd18341c0e0c53
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SHA256
3958f341474249b0fc1772c46bf4b2a8f6531bea26caceb44ec5c6c7aa1619cb
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SHA512
2d6e5e928a23767203c86a01e9cc9bad99e430d57175a71b7743deccd2b665dfa5e88e7614825709b446b107edef74fdb2cc5fcb9377723799b3c0e125459756
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SSDEEP
3072:yLk395hYXJTS4Z+H22Zip6dmDHgG2ojdotyeILc:yQqI4ITsp6dAT2ojdoIeILc
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2252 Au_.exe -
Executes dropped EXE 1 IoCs
pid Process 2252 Au_.exe -
Loads dropped DLL 3 IoCs
pid Process 1340 0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe 2252 Au_.exe 2252 Au_.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\iWinArcadeIECleanup = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iWinArcadeAutocleanup.bat" Au_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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NSIS installer 2 IoCs
resource yara_rule behavioral1/files/0x003700000001451d-2.dat nsis_installer_1 behavioral1/files/0x003700000001451d-2.dat nsis_installer_2 -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\GameUX\GamesToFindOnWindowsUpgrade Au_.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\Software Au_.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\Software\Microsoft Au_.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\Software\Microsoft\Windows Au_.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion Au_.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\GameUX Au_.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2252 Au_.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1340 wrote to memory of 2252 1340 0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe 28 PID 1340 wrote to memory of 2252 1340 0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe 28 PID 1340 wrote to memory of 2252 1340 0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe 28 PID 1340 wrote to memory of 2252 1340 0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe 28 PID 2252 wrote to memory of 2644 2252 Au_.exe 29 PID 2252 wrote to memory of 2644 2252 Au_.exe 29 PID 2252 wrote to memory of 2644 2252 Au_.exe 29 PID 2252 wrote to memory of 2644 2252 Au_.exe 29 PID 2252 wrote to memory of 2644 2252 Au_.exe 29 PID 2252 wrote to memory of 2644 2252 Au_.exe 29 PID 2252 wrote to memory of 2644 2252 Au_.exe 29 PID 2252 wrote to memory of 2676 2252 Au_.exe 30 PID 2252 wrote to memory of 2676 2252 Au_.exe 30 PID 2252 wrote to memory of 2676 2252 Au_.exe 30 PID 2252 wrote to memory of 2676 2252 Au_.exe 30 PID 2252 wrote to memory of 2676 2252 Au_.exe 30 PID 2252 wrote to memory of 2676 2252 Au_.exe 30 PID 2252 wrote to memory of 2676 2252 Au_.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0f98374016e2f3a77034ecf068624e89_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s /u "C:\Users\Admin\AppData\Local\Temp\iWinGamesHookIE.dll"3⤵PID:2644
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C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s /u "C:\Users\Admin\AppData\Local\Temp\iWinInfo.dll"3⤵PID:2676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
94KB
MD54d3ac88054df63fc810427bdaa96c458
SHA1e4d554e03ba91f6b53a2a80253b339f56e303c94
SHA256b07ffcd0af80f6b9fba09abe816ba2f0ff0d336639f1768fc317291bc635ece6
SHA512d4732ad89bbb19b316dff1b9c534acf98bb985c89d1295f08e24b21531123426500b3712979dda2f0e941a5969c0cbca15bbd52f6c167653f96a494a6677ca54
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Filesize
11KB
MD500a0194c20ee912257df53bfe258ee4a
SHA1d7b4e319bc5119024690dc8230b9cc919b1b86b2
SHA256dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3
SHA5123b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667
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Filesize
124KB
MD50f98374016e2f3a77034ecf068624e89
SHA16c363894525531dfd2135d648cbd18341c0e0c53
SHA2563958f341474249b0fc1772c46bf4b2a8f6531bea26caceb44ec5c6c7aa1619cb
SHA5122d6e5e928a23767203c86a01e9cc9bad99e430d57175a71b7743deccd2b665dfa5e88e7614825709b446b107edef74fdb2cc5fcb9377723799b3c0e125459756