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Analysis
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max time kernel
147s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe
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Size
821KB
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MD5
b36c4e0ef061080d7ed34c811658c920
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SHA1
2e61485d3cfdf1ea1363e8dbbec0af198635af56
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SHA256
fcc3661896b923c4f46daacc2a7c1d85c2c8f1807da2f5a224d02f48ea527f76
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SHA512
d198c59fa3e979c1e9ebbc0809ce489040639ab82f00d53506bfb82d9a99ff0f2e4cfe936706092b0bbe31654622ce9cf11a38b899a1482da0269c0dd815c416
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SSDEEP
24576:eNeK5Koa8tVHoOXrmKAWunI8QW3OFWi+os:eNeKttVtv4HjGs
Malware Config
Signatures
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x00070000000233d4-12.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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2804 RKRG.exe -
Loads dropped DLL 4 IoCs
pid Process 4504 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe 2804 RKRG.exe 2804 RKRG.exe 2804 RKRG.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\RKRG Agent = "C:\\Windows\\SysWOW64\\28463\\RKRG.exe" RKRG.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 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\28463\RKRG.001 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\28463 RKRG.exe File created C:\Windows\SysWOW64\28463\key.bin b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\AKV.exe b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\RKRG.004 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\RKRG.003 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\RKRG.006 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\RKRG.007 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\RKRG.exe b36c4e0ef061080d7ed34c811658c920_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 RKRG.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe -
Modifies registry class 37 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\Control RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\InprocServer32\ = "C:\\Program Files\\Microsoft Office\\root\\VFS\\ProgramFilesX86\\Microsoft Office\\Office16\\Interceptor.dll" RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\ProgID\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0\win32\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\VersionIndependentProgID\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\VersionIndependentProgID\ = "CommunicatorMeetingJoinAx.JoinManager" RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\ProgID RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\Programmable\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\TypeLib\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\TypeLib\ = "{2B74E21D-60FA-8087-9967-53E0F20630A1}" RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\Version\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\Version\ = "1.0" RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0\win64\ = "C:\\Windows\\SysWow64\\iasads.dll" RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\FLAGS\ = "0" RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\TypeLib RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E} RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\Control\ RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1} RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0\win64\ RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\InprocServer32 RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\Programmable RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\ = "IAS DataStore2 1.0" RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0\win32 RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\FLAGS RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\ = "Robizec Akoseke Avofa" RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\InprocServer32\ RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\ProgID\ = "CommunicatorMeetingJoinAx.JoinManager.2" RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0 RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0\win32\ = "C:\\Windows\\SysWOW64\\iasads.dll" RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0\win64 RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\FLAGS\ RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\Version RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\ RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0 RKRG.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B74E21D-60FA-8087-9967-53E0F20630A1}\1.0\0\ RKRG.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A97234A-D2D2-44BC-988F-5C95B97D893E}\VersionIndependentProgID RKRG.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2804 RKRG.exe Token: SeIncBasePriorityPrivilege 2804 RKRG.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2804 RKRG.exe 2804 RKRG.exe 2804 RKRG.exe 2804 RKRG.exe 2804 RKRG.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4504 wrote to memory of 2804 4504 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe 95 PID 4504 wrote to memory of 2804 4504 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe 95 PID 4504 wrote to memory of 2804 4504 b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\b36c4e0ef061080d7ed34c811658c920_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b36c4e0ef061080d7ed34c811658c920_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:4504 -
C:\Windows\SysWOW64\28463\RKRG.exe"C:\Windows\system32\28463\RKRG.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:2804
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD54b8ed89120fe8ddc31ddba07bc15372b
SHA1181e7ac3d444656f50c1cd02a6832708253428e6
SHA2562ae6b0e14465338be0bc5ad10703f5c823d092ebb8cff7e5a05b7d79c8459b93
SHA51249269b71270b3eda0ddcb399021de9c88f6fd2086cf54fa4898a91e64afe109d44b635d47a5ea9bae7f53a5e968af97fa13bdf699ba00ce879ecadd7bbc8af23
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Filesize
457KB
MD546ccfd974518e5849738449034a05a17
SHA1d391108816aed7ba8f7beb205ad7171c74eae6b2
SHA256571aae1f8a260909dbc45c67b4c547fc573c07097b36d4e18db0e36d91deccfe
SHA512773a40a37ebc54cbde7c40ca98001150e78da43726e475f1ee25ef869a39682c0fcd46fb57cf6130151cd8115aa6f2c196e57414affe464fd3b137eb5b317a7a
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Filesize
562B
MD5dcd88eb0eab3124927ad087aa54ae296
SHA1e04175743eff14d136b3d42fb7002f8d95178765
SHA256ae86f1225c67423503870a4eba35c323ff8a8132b9fba562cb2e2e08f59aa443
SHA512433e371ab1d72a6f644b90ce4e644b2ea8b896844a1fa727cb36dd83e55d5d67e4ab5f1b537e93b80aa641ed347860630f8ba9b66122d585a50429990a1f616d
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Filesize
14KB
MD54687a64503f962915cd278baada57449
SHA1ef42ea6ac10a1eff3b8ccea7194e4bdcaf18f6bb
SHA2562660a6af939bf1e32391c5ef13afb14ee65a6bd866d4b152e7f5db6747d7a67c
SHA5120aa67de3ce116f2d0c4f5d43da8aceee4802272feeae5e018e0dc653eb6f609a786e2f40df4e9102ee9f1e199831aaa021fd4c50960d83568eb2f87cb8f0b7f8
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Filesize
8KB
MD5395bbef326fa5ad1216b23f5debf167b
SHA1aa4a7334b5a693b3f0d6f47b568e0d13a593d782
SHA2567c1c4ba8978d3ec53bc6da4d8f9e5e1ca52edf5ccf5ec19ef06b02055ff3b3d1
SHA512dc3f3d7501feb10623807e89f28a0e38bdbbd4a7e2ad964c8ab33c392bde61896fe40bb7773f6309cd59ad9a686decbd81c15b588ac8d311fd2a273ac9410679
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Filesize
5KB
MD51b5e72f0ebd49cf146f9ae68d792ffe5
SHA11e90a69c12b9a849fbbac0670296b07331c1cf87
SHA2568f4485675fe35b14276f5c8af8a6b42f03cf1b5de638355e4c4b28397385e87e
SHA5126364f5581de5aaec09b5d1c4e5745193f981ff93cf91e20c6c9ff56566b5d182ccbdacf9aeed1d7a01460eb21619e14ac4ab31b083a951b45b3b7f9d93a62ffc
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Filesize
649KB
MD52bff0c75a04401dada0adfab933e46a7
SHA1364d97f90b137f8e359d998164fb15d474be7bbb
SHA2562aa53bc5da3294817f95d8806effdf28e5af49661a955256c46db2b67cb6e6da
SHA51288b82973d3c042bceb75e12297111fa7b8bd4e2a7a37d26b698c595d8d75ec670cc7aebfa2572206c1b2a4ecbbfa3103affb8bee6d7ef47428a225e2cd1bea3f
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Filesize
105B
MD527c90d4d9b049f4cd00f32ed1d2e5baf
SHA1338a3ea8f1e929d8916ece9b6e91e697eb562550
SHA256172d6f21165fb3ca925e5b000451fd8946920206f7438018c28b158b90cf5ffb
SHA512d73dadb3cf74c647ce5bad5b87d3fb42a212defcba8afb8cf962020b61a0369c0a2b1005797583daf1f1ae88b29b7288bc544a53d643f3519cf604aa0ffd6dae