Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2024 12:38
Static task
static1
Behavioral task
behavioral1
Sample
e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe
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Size
502KB
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MD5
e17fef589aa821d54b7ae334343c82cc
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SHA1
5918c8c4b33b1e946933daf3e542062fb20eb94a
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SHA256
d3cc9eb460f19e32e43d5c262880d3c8b019a27788c8932b9f09a562ce462a53
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SHA512
8132ce2a70f02f326d550d94b84bda79507ce5367e60e5829ba1cd9cd2dc7d164fad97019a4a6fdb32fcd29790a800b644f068b941ed973dc0590dc08dd88889
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SSDEEP
12288:BDXmwgyn4lMtmMEchK6WVZ6ReETDEU/gKXki:xXhgy4u3EctWT68XegYX
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023cba-12.dat family_ardamax -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2712 WKXR.exe -
Loads dropped DLL 4 IoCs
pid Process 116 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe 2712 WKXR.exe 2712 WKXR.exe 2712 WKXR.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\WKXR Agent = "C:\\Windows\\SysWOW64\\28463\\WKXR.exe" WKXR.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 8 IoCs
description ioc Process File created C:\Windows\SysWOW64\28463\AKV.exe e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\28463 WKXR.exe File created C:\Windows\SysWOW64\28463\WKXR.009 WKXR.exe File opened for modification C:\Windows\SysWOW64\28463\WKXR.009 WKXR.exe File created C:\Windows\SysWOW64\28463\WKXR.001 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\WKXR.006 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\WKXR.007 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\WKXR.exe e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.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 2 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 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WKXR.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2712 WKXR.exe Token: SeIncBasePriorityPrivilege 2712 WKXR.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2712 WKXR.exe 2712 WKXR.exe 2712 WKXR.exe 2712 WKXR.exe 2712 WKXR.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 116 wrote to memory of 2712 116 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe 82 PID 116 wrote to memory of 2712 116 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe 82 PID 116 wrote to memory of 2712 116 e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e17fef589aa821d54b7ae334343c82cc_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\SysWOW64\28463\WKXR.exe"C:\Windows\system32\28463\WKXR.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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD525530555085337eb644b061f239aa9d4
SHA18d91e099aba5439d4bfa8bce464c94e3e1acf620
SHA2563fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325
SHA512b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a
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Filesize
395KB
MD5d63cc8679a63448db1c64252e14e4ab5
SHA110b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e
SHA25629b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d
SHA512cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768
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Filesize
416B
MD56a268bbd4cb6bdb458f299b39e100124
SHA15066edba368ad631ad4fbcf1a03e8f41e281507a
SHA256505648c01bbe7a7447107cadb6c7f1165684abb37bece0ba59fde83f89abe621
SHA512e2549032658b66896b1f585636999a4b238b6a7484a7cc6925d86207d25fa366363caf78a9ffda1430f4d762792a36513fecd43acd113b2bfffdeaa2b57185de
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Filesize
8KB
MD581e20f4361cf8f5a57812871c24d945e
SHA15d7877d6959ab26599b05795a71633f00c37a3da
SHA256e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d
SHA51269b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818
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Filesize
5KB
MD5e9fbdcc2f5fb657fa519b3f5c69fc52d
SHA1c49cca77b46a59d620711de7564d43e5dafcd2b5
SHA256cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4
SHA512913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1
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Filesize
473KB
MD597d8ad45f48b4b28a93aab94699b7168
SHA18b69b7fd7c008b95d12386f6da415097e72151de
SHA256661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331
SHA5123351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a