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Analysis
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max time kernel
140s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/08/2024, 17:25
Static task
static1
Behavioral task
behavioral1
Sample
abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe
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Size
1.2MB
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MD5
abe7941a771703eeaf5e47634f942799
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SHA1
0d2eff68aaeb3963e5faa98e3213e25ad9b1e50c
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SHA256
bd606273b31dd6f9e49f9e210d6af408a71bf8e481709a8a7b37680becaa8fb7
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SHA512
c2b30708a78bc6b64f91e8a65ed06f84132caa8e315fd50020749807694ca99da514e2416aa8620ff197897ed599f84cd8a2258043cab9ccdb46449fb82f696c
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SSDEEP
24576:VzwTT6GVHp48E7gJLeZWMcn3WLNK1dJbr9gQ91H7:Vz+TbV9kOLeMMcn3WLNubrTH
Malware Config
Signatures
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023615-8.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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1756 BLP.exe -
Loads dropped DLL 1 IoCs
pid Process 1756 BLP.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\BLP Start = "C:\\Windows\\SysWOW64\\AVCAKW\\BLP.exe" BLP.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 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\AVCAKW\BLP.001 abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe File created C:\Windows\SysWOW64\AVCAKW\BLP.002 abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe File created C:\Windows\SysWOW64\AVCAKW\AKV.exe abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe File created C:\Windows\SysWOW64\AVCAKW\BLP.exe abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\AVCAKW\ BLP.exe File created C:\Windows\SysWOW64\AVCAKW\BLP.004 abe7941a771703eeaf5e47634f942799_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 abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BLP.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1756 BLP.exe 1756 BLP.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1756 BLP.exe Token: SeIncBasePriorityPrivilege 1756 BLP.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1756 BLP.exe 1756 BLP.exe 1756 BLP.exe 1756 BLP.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5636 wrote to memory of 1756 5636 abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe 91 PID 5636 wrote to memory of 1756 5636 abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe 91 PID 5636 wrote to memory of 1756 5636 abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\abe7941a771703eeaf5e47634f942799_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5636 -
C:\Windows\SysWOW64\AVCAKW\BLP.exe"C:\Windows\system32\AVCAKW\BLP.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1756
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3820,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:81⤵PID:5520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
485KB
MD542150775d201a85ebc379d21aa253f85
SHA1fccd7df34e16abaf8d55935016cdb15df8041e06
SHA25600206ccef9ee8da111cc547c698b7e61736b328de48ac5c307d05f2921ef0b9c
SHA5124ff3c587a8d88e319acb028829c75ecb3e11c16a62ba9c2090720613c51c6555af698ba8ff75672b405602f196ed1b99dbeb9395bae62aac2140fa31600b36e0
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Filesize
61KB
MD59681d3e1f2c53ad98b8467b3acca33fc
SHA104d5d08781f27d6e08ad0262f7325b2be4db7743
SHA256baecddca15ea6932b9cd4e7f5bae848c3c290660a85c408b898150c6f8fd744e
SHA5125c6191fb676ace9d1c2ddfd4e98651959ab24b718ab626c343e2bb271d31edd8ba43ed9de528c7832ddcc2137d2424c22bb19f115dc252e1400cfcd3edce2098
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Filesize
44KB
MD5e65e4bdb2c86226589b88f101153c01b
SHA1731be43621721dba20f0bb74966ea08043ef37fd
SHA256e8a9477bc04824357c0f0bcc1cb665e1dfb6cf5c05f68517749f6cb11821cec2
SHA5127700ee197f109a8f2cff2e529715e371e36c1d9924af0bedef9285f76898d3448847af3bff342813b9bd8ca619b7c39b9607150596008ffc6fe68b338f6769cd
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Filesize
1KB
MD5ccd120b1bf54d4ff5364eae38227078d
SHA1b4465d096fdca0b9b703ac71c28abf343d6d9256
SHA256d1c861cc843b2ab3a5c08a4162f860fd38b5b57ab4ad0e30cd7b1fece8dc8d49
SHA512718a635ccfb282a4142d35956b8b984d351c0970996515fe86f818ee766e0c19b4c3dab01784029102af63f94cdc32f9b61d212bf019ccc05a9308fe6db5a100
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Filesize
1.7MB
MD59a6a50772539f5a61fefa29c34666223
SHA1b2b8650d817ef7d86bfef48420e9716f0ffdccce
SHA25693db12799d366bbb10f28b923188e3f1457b3ec931ddf33ddeb131a80e46f00b
SHA512eb5f89e6b27981d85dc235edc477a4397d08b9e89d638b0e07301a26ca6e640f12251fdcfe1386df4167a2928bc60959289329531bc7a9e14a232ead22935fed