Analysis
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max time kernel
140s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/03/2025, 06:12
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_792c609c20e9375735a596fda660c37c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_792c609c20e9375735a596fda660c37c.exe
Resource
win10v2004-20250314-en
General
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Target
JaffaCakes118_792c609c20e9375735a596fda660c37c.exe
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Size
808KB
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MD5
792c609c20e9375735a596fda660c37c
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SHA1
c2a245cbd710b61c3e3b9b55cd744d31e8b0768d
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SHA256
3028c8d90909b794c44557ea0f20a91298d802dadc1c220f5f5831773a58e807
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SHA512
caf224e76090528c2b36507dd61757034269380d05a206fbacff2521b05884057ba246c242937116c1f7a93b9bc722bec0ff5a67c1327117c624af363be1f78d
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SSDEEP
24576:sTV5nbjVY8p6omqTqWYYZoQnncYfuo68mWsD9O1JN:OXZTaN8ctAm/D9OjN
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral1/files/0x000700000001878c-9.dat family_ardamax -
Executes dropped EXE 1 IoCs
pid Process 3020 JSTT.exe -
Loads dropped DLL 5 IoCs
pid Process 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 3020 JSTT.exe 3020 JSTT.exe 1404 NOTEPAD.EXE -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JSTT Agent = "C:\\Windows\\SysWOW64\\28463\\JSTT.exe" JSTT.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\28463 JSTT.exe File created C:\Windows\SysWOW64\28463\JSTT.001 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe File created C:\Windows\SysWOW64\28463\JSTT.006 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe File created C:\Windows\SysWOW64\28463\JSTT.007 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe File created C:\Windows\SysWOW64\28463\JSTT.exe JaffaCakes118_792c609c20e9375735a596fda660c37c.exe File created C:\Windows\SysWOW64\28463\key.bin JaffaCakes118_792c609c20e9375735a596fda660c37c.exe File created C:\Windows\SysWOW64\28463\AKV.exe JaffaCakes118_792c609c20e9375735a596fda660c37c.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 3 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 JSTT.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_792c609c20e9375735a596fda660c37c.exe -
Modifies registry class 30 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\InprocServer32\ JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\ProgID\ = "DNWithBinary" JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\ = "GrooveProjectMeetingDataDelegate" JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\FLAGS\ JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\Version JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\InprocServer32 JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\InprocServer32\ = "%SystemRoot%\\SysWow64\\activeds.dll" JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\TypeLib JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0 JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\ JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\0\win32\ JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\HELPDIR JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\TypeLib\ JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\ = "Siripof.Isode Class" JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\ProgID\ JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09} JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\0 JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\0\ JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\FLAGS JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\" JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\ProgID JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\ JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\0\win32 JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\FLAGS\ = "4" JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\Version\ JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\Version\ = "1.0" JSTT.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65} JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\0\win32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\GROOVE.EXE\\43" JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E99FAB04-5ED6-725F-E421-ED6D5B045D09}\1.0\HELPDIR\ JSTT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5D57500C-94C0-4AAE-E789-CE20C70D2C65}\TypeLib\ = "{E99FAB04-5ED6-725F-E421-ED6D5B045D09}" JSTT.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 3020 JSTT.exe Token: SeIncBasePriorityPrivilege 3020 JSTT.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3020 JSTT.exe 3020 JSTT.exe 3020 JSTT.exe 3020 JSTT.exe 3020 JSTT.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 868 wrote to memory of 3020 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 31 PID 868 wrote to memory of 3020 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 31 PID 868 wrote to memory of 3020 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 31 PID 868 wrote to memory of 3020 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 31 PID 868 wrote to memory of 1404 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 32 PID 868 wrote to memory of 1404 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 32 PID 868 wrote to memory of 1404 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 32 PID 868 wrote to memory of 1404 868 JaffaCakes118_792c609c20e9375735a596fda660c37c.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_792c609c20e9375735a596fda660c37c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_792c609c20e9375735a596fda660c37c.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\28463\JSTT.exe"C:\Windows\system32\28463\JSTT.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3020
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\READ This.txt2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8B
MD5ac9a4a8bb43bc81a95ebaf8b63f691de
SHA1097c9c9c5262cb84b666bc378b51a4ff4d15812b
SHA256e8eea1564190c033564cba5289bfa5dedaeaa3a976fd5fdf8ab03981dcb6f120
SHA5125393b75bc1badbaccae96f2b72faba59474e2ed8c492683dda96dde1dac265c61d60baea9a7a1847b53b274dfa81366cf517dcda30f6e6f9420dbba8410b1d7a
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Filesize
457KB
MD5d2366486acd1a1e7512b0024ea3c7bdb
SHA1c9a4948a2902c899fbc8f51755a745b220f26265
SHA2567142651f09fa4a93574850904e21ac8c99dd4e4aff728e2ba68188a459f53461
SHA51250c77906a2175ab488198e2d240d6d8178a189369fc93ff5099e59e1114f8ac1b5496e639d128a60626403b2303a60c51d6f8abae886d90ec2eef03617eeabd5
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Filesize
488B
MD556456087a5a6d0b7940a3dbcd4ba3d25
SHA192ed36335ac81e75d35d1f9ebbc310a74700120b
SHA2567ff659102d2965eeaccdd4afef92510c88e105b95131d265acd88d2240f40b3f
SHA512f58d7e138fd83f46fa0ace1b20db1aaf4c991e2a548561e68a96474256b616517591d3ffe0da8fda0d2b0c63c842c701700708456a854426fedadf9450759f64
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Filesize
8KB
MD531854a50b294dd312eb7fa9eb1c99537
SHA1e0b1682a001e15d0e0e1c1ca732cafb5c80b3160
SHA2562fe2d55aae2deef38a37c9679d74ecf05699d6919760794f69583b43b7fe308c
SHA5120482a4981ba242d4e931bd8b9eb5d606492cffb7609fb69fb349ed19c7a9e36a7e240e5ebe759505d253c5e72fb771612a76419c36fb035987a166569a5111c2
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Filesize
5KB
MD5603451f504bedb28c3a7bae4c89abf24
SHA1cbfe12186b54663f60663c349739c7a49950c44e
SHA256e4d6577ea390274308877284b6d0cd6672aeb0e76c9c9847ac59c0964f050d13
SHA512136e28e288b3ce26b37c82b078a3440e3232c0f874d7d33e8e6fb6eadfd0024b9009448500c716523b81f142fa3bebf7d11f1dd3e8e6143867b06335eb5f9612
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Filesize
106B
MD5639d75ab6799987dff4f0cf79fa70c76
SHA1be2678476d07f78bb81e8813c9ee2bfff7cc7efb
SHA256fc42ab050ffdfed8c8c7aac6d7e4a7cad4696218433f7ca327bcfdf9f318ac98
SHA5124b511d0330d7204af948ce7b15615d745e8d4ea0a73bbece4e00fb23ba2635dd99e4fa54a76236d6f74bdbcdba57d32fd4c36b608d52628e72d11d5ed6f8cde2
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Filesize
4KB
MD5f1cf9fcbddeadabb738de497ffefdced
SHA17385a7c87e245da89cc5ef8f9295678c1566f25d
SHA256086083bc73b14286f9c3c29df8b8dc6f014d8b084267fbaeee0af56344d1f779
SHA5123a3b9d279b4c131ef3f358e0163f60ec9e60160a2cc45488adb915fea6642f3df5d35da2ccb6983d790401d237fbc808829f42c42ef958e7a0eac98fc33bb3f6
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Filesize
648KB
MD5ce568bcaf7285124f764aff92f5079d4
SHA1886f698e2239cf615f12b503853a5fa28c53aefc
SHA25659d7d6de8a9e2d5535703d22c36888889530fd011d7f71cf034e93e36e7527af
SHA5129f6e3496930cb5dd9c9403acc865bc94f63f64af49a27ffeedbc9d9082d50bff4a7a772bb98d4a2719f0ecae144393de9cc273ba83ae00abe347b0be0d7c9866