Analysis
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max time kernel
93s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
01-08-2024 21:51
Static task
static1
Behavioral task
behavioral1
Sample
81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe
Resource
win10v2004-20240730-en
General
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Target
81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe
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Size
521KB
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MD5
81dce4951356e889bc612174aefc5ebc
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SHA1
29f7a7c7d8861f5138c6a2e4fd0e7e3c589062dd
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SHA256
ae561947bbca237daa569bfeb278b8aff33bcd0e574b99bbcbf81c5114b9777c
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SHA512
a14c646d2a16c435ef25783f88e4cc65c1b629d210e6cdd382768d4527ecce0fc2a6d4d6cd8facb554a5f94b2114f4c78a499f0cb9b32465e88602a3de34b88c
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SSDEEP
12288:olXdTh+rBLj6GwZitbzbTOQWpXAShDtrjQPp:+dTh+rF2GwItbzbTOd9DtrjQB
Malware Config
Signatures
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x00070000000234ad-21.dat family_ardamax -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-195445723-368091294-1661186673-1000\Control Panel\International\Geo\Nation 81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-195445723-368091294-1661186673-1000\Control Panel\International\Geo\Nation niceee.exe Key value queried \REGISTRY\USER\S-1-5-21-195445723-368091294-1661186673-1000\Control Panel\International\Geo\Nation VJKT.exe -
Executes dropped EXE 2 IoCs
pid Process 5112 niceee.exe 3884 VJKT.exe -
Loads dropped DLL 5 IoCs
pid Process 5112 niceee.exe 3884 VJKT.exe 3884 VJKT.exe 3884 VJKT.exe 4112 WerFault.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\VJKT Agent = "C:\\Windows\\SysWOW64\\28463\\VJKT.exe" VJKT.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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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\28463\VJKT.001 niceee.exe File created C:\Windows\SysWOW64\28463\VJKT.006 niceee.exe File created C:\Windows\SysWOW64\28463\VJKT.007 niceee.exe File created C:\Windows\SysWOW64\28463\VJKT.exe niceee.exe File created C:\Windows\SysWOW64\28463\AKV.exe niceee.exe File opened for modification C:\Windows\SysWOW64\28463 VJKT.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4112 3884 WerFault.exe 86 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language niceee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VJKT.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: 33 3884 VJKT.exe Token: SeIncBasePriorityPrivilege 3884 VJKT.exe Token: SeIncBasePriorityPrivilege 3884 VJKT.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3884 VJKT.exe 3884 VJKT.exe 3884 VJKT.exe 3884 VJKT.exe 3884 VJKT.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 776 wrote to memory of 5112 776 81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe 84 PID 776 wrote to memory of 5112 776 81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe 84 PID 776 wrote to memory of 5112 776 81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe 84 PID 5112 wrote to memory of 3884 5112 niceee.exe 86 PID 5112 wrote to memory of 3884 5112 niceee.exe 86 PID 5112 wrote to memory of 3884 5112 niceee.exe 86 PID 3884 wrote to memory of 2200 3884 VJKT.exe 94 PID 3884 wrote to memory of 2200 3884 VJKT.exe 94 PID 3884 wrote to memory of 2200 3884 VJKT.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Users\Admin\AppData\Local\Temp\niceee.exe"C:\Users\Admin\AppData\Local\Temp\niceee.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\28463\VJKT.exe"C:\Windows\system32\28463\VJKT.exe"3⤵
- Checks computer location settings
- 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
- Suspicious use of WriteProcessMemory
PID:3884 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 11204⤵
- Loads dropped DLL
- Program crash
PID:4112
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\VJKT.exe > nul4⤵
- System Location Discovery: System Language Discovery
PID:2200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3884 -ip 38841⤵PID:3628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD513e10cd76f11d6cb43182dcba7370171
SHA1e6b8ce329e49ff09f1cb529c60fc466cb9a579c8
SHA256f1265c88f0077009eaa18db413f156cc7ad8d41dc9d797dd1032b0e0ae9c40d5
SHA512ee32ef3f50838936417e51dfd365b166456900e327dbe51902700bb3d562dea22e6fbd9009c822ba0562687001802a2e61d38123f81ae19f7b3d05bb1fd5cda8
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Filesize
490KB
MD565596455e0b7059b56813f414f967a37
SHA180b3075ce1d6ed965b75ca4f87f75493504f452b
SHA256320ef53ba3883320bee33f5342d71360d9194d1af24003853ab71f716783be80
SHA512afcaa53cadb26829be2bb08290136965857fb4719f21b1db36f6075953b8b68e37b015ed19b7864eb1c2217f6e03d9991bde19579166433bb392aed4adff9e79
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Filesize
395KB
MD5adbec81b510dcfe49835f95940ef961d
SHA177940f6e46fbd5f53de23bd49afe9172470769d0
SHA256466efb4b00255f21075b340fc2d2444f182947ab90270840543658c5fd3a9b95
SHA512ef4324a06fbe960933f5551ea6ac587cd87cb6025bc6879a2b81a4d1033cfe87e244b6a87fb5db5ad065321ccbe8035cf24a668452d5b0c6a4063a355a12b2a7
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Filesize
378B
MD545c9c1fd5d288101ab70b2743ec22af2
SHA16f2dadc8b50474b72a1a69caec9c6f7058f7f064
SHA2562bea9fb2f1dc3cf9b9c94f2c0508edd5c03b53eb5b8c577d9a94a19c3f96d926
SHA512089fab266292f450c888517aa8d1ebbb4e1243b8f3bd4e7172e1030feb1b199cdf470b23f8fed94009a56750be31c7b03f86915fca42f376f38fe30f6137d7e3
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Filesize
8KB
MD5f5eff4f716427529b003207d5c953df5
SHA179696d6c8d67669ea690d240ef8978672e3d151c
SHA256ac54ebb9eec3212f294462ce012fdc42f4b0896d785d776a5a2cc3599dc5bcde
SHA5125a48599a5855f06c3e7d6f89c4e06bab1f4381b9d30cf3824c465b8fd6c142b316e6bd6aaad73d1f9b3e84d96113fb5e7374831bf503744013c9e1a0632a0caf
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Filesize
5KB
MD5bc75eddaa64823014fef0fe70bd34ffc
SHA115cd2ace3b68257faed33c78b794b2333eab7c0a
SHA2569eada36d17635bedb85ce96a62cb019dbfee696b9986f69de7d5b5bc1f44df5d
SHA51220db25f32f9cfdbffa4f30c0065125052c6e20b7dcc147fa7ebff38e37b51f6a43e48e486f148d7ee11671479b9fb0bbe1c6df151101af3b50c65fd334d13baa
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Filesize
473KB
MD53c90d45b1c004e86a7f7a7a340f1abc8
SHA110602c450bcbda2735dc036f2e399646f0c64f4c
SHA256f6d9c3bba7fc4dfa681cadf68f41093e3c431501c6789e891e599719e5d2781c
SHA51285457be4c2aa76ede288cd185131d46e5f0b37187313f3a54fe789e28929ec6e44282f4ba0981f46354705cd5da83990586c8846f52fcdb807908254c8719cc1