Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
29/07/2024, 06:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3b2c7075ab9446ded1ef47ed89a81c35_JaffaCakes118.dll
Resource
win7-20240704-en
9 signatures
150 seconds
General
- Target 3b2c7075ab9446ded1ef47ed89a81c35_JaffaCakes118.dll
- Size 1.2MB
- Sample240729-hf5bls1eph
- SHA256 2629cf699f2cf1b89996221446aae59b3f5e57b4d08cb28486beaadaf24c070a
- MD5 3b2c7075ab9446ded1ef47ed89a81c35
- SHA1 83e3c50dcf352da43a39776da326d4bd914f220f
- SHA512 41617888d85eb6ae7af1d773502094b62e0ae05de5b5ba37200bf5b41cdc61f66fd3df951cd70940077d765e3cc52d7dce777c2eb4e234e74e4a40707699c961
- SSDEEP 24576:yuYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9Nkt:a9cKrUqZWLAcU
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3464-4-0x00000000031B0000-0x00000000031B1000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 516 raserver.exe 2924 BdeUISrv.exe 4464 psr.exe - Loads dropped DLL 3 IoCs
pid Process 516 raserver.exe 2924 BdeUISrv.exe 4464 psr.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Punckpak = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\AdD1s\\BdeUISrv.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA raserver.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA BdeUISrv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA psr.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4616 rundll32.exe 4616 rundll32.exe 4616 rundll32.exe 4616 rundll32.exe 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found 3464 Process not Found - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3464 Process not Found Token: SeCreatePagefilePrivilege 3464 Process not Found - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3464 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3464 wrote to memory of 8 3464 Process not Found 94 PID 3464 wrote to memory of 8 3464 Process not Found 94 PID 3464 wrote to memory of 516 3464 Process not Found 95 PID 3464 wrote to memory of 516 3464 Process not Found 95 PID 3464 wrote to memory of 2560 3464 Process not Found 96 PID 3464 wrote to memory of 2560 3464 Process not Found 96 PID 3464 wrote to memory of 2924 3464 Process not Found 97 PID 3464 wrote to memory of 2924 3464 Process not Found 97 PID 3464 wrote to memory of 1548 3464 Process not Found 98 PID 3464 wrote to memory of 1548 3464 Process not Found 98 PID 3464 wrote to memory of 4464 3464 Process not Found 99 PID 3464 wrote to memory of 4464 3464 Process not Found 99 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3b2c7075ab9446ded1ef47ed89a81c35_JaffaCakes118.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4616
-
C:\Windows\system32\raserver.exeC:\Windows\system32\raserver.exe1⤵PID:8
-
C:\Users\Admin\AppData\Local\2Rgluoh\raserver.exeC:\Users\Admin\AppData\Local\2Rgluoh\raserver.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:516
-
C:\Windows\system32\BdeUISrv.exeC:\Windows\system32\BdeUISrv.exe1⤵PID:2560
-
C:\Users\Admin\AppData\Local\GI1PYU1\BdeUISrv.exeC:\Users\Admin\AppData\Local\GI1PYU1\BdeUISrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2924
-
C:\Windows\system32\psr.exeC:\Windows\system32\psr.exe1⤵PID:1548
-
C:\Users\Admin\AppData\Local\HcbI\psr.exeC:\Users\Admin\AppData\Local\HcbI\psr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4464
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\2Rgluoh\WTSAPI32.dll
- Size 1.2MB
- SHA256 763fceb3945ff959e7a4c234145568f5c6e27a53c9e5f1f8bd8d7e13a77b3ad8
- MD5 52fad5f6fba9d583d02f3e1223a99954
- SHA1 6b9dabaf1ba046e3693ea04ef0a8e8008a94ea79
- SHA512 5f3ba1c53ce7c7b49cf03328161f6dc052da0df79379fc0de8d18e26c1e48f75c8b0e206e0870e9557850c021237b2de4ff62154d3432e935692f979406ea83c
- SSDEEP 24576:MuYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:k9cKrUqZWLAcU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\2Rgluoh\raserver.exe
- Size 132KB
- SHA256 38732626242988cc5b8f97fe8d3b030d483046ef66ea90d7ea3607f1adc0600d
- MD5 d1841c6ee4ea45794ced131d4b68b60e
- SHA1 4be6d2116060d7c723ac2d0b5504efe23198ea01
- SHA512 d8bad215872c5956c6e8acac1cd3ad19b85f72b224b068fb71cfd1493705bc7d3390853ba923a1aa461140294f8793247df018484a378e4f026c2a12cb3fa5c9
- SSDEEP 3072:6K1Hb2Hpwl0sQ6qO3EJ41rpEmjvhRCtOC27+5DC7fTQoYCLxxHlkzH:lHby6qO3EJ0rp/vhRCtOC27w9oYOxxEH
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\GI1PYU1\BdeUISrv.exe
- Size 54KB
- SHA256 20b05c77f898be08737082e969b39f54fa39753c8c0a06142eb7ad5e0764a2db
- MD5 8595075667ff2c9a9f9e2eebc62d8f53
- SHA1 c48b54e571f05d4e21d015bb3926c2129f19191a
- SHA512 080dbcdd9234c07efe6cea4919ffa305fdc381ccebed9d1020dd6551b54e20e52387e62a344502fa4a85249defd0f9b506528b8dd34675bc9f51f664b8fc4d88
- SSDEEP 1536:mrerbXLILs3kr2In0glBQGsZapVIN+t4:TD8A3krDkGeaE+t4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\GI1PYU1\WTSAPI32.dll
- Size 1.2MB
- SHA256 400e120fe90ad725ec0cc531ac001ff1b59f6e1f0159f10c51adddde72da7e8c
- MD5 a5440552a60f745d55dcbde52721aef9
- SHA1 e714c5fa23e9e9745b2f7fea89f60a58f4fc8cbf
- SHA512 527b6e821ec0db87ca5c53790a0528bdf9c2ca4b315786374ac2f5c6a34308c2f416191157e56e7081c00cf61c81eaa092f68a30f019d99febbbe10bec4abc35
- SSDEEP 24576:MuYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:k9cKrUqZWLAcU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\HcbI\VERSION.dll
- Size 1.2MB
- SHA256 c42d20be91d87fce041259ae7ae6197ca55de030c15bf1ba94972b8a14249933
- MD5 1f1f0fdf14717972c801bc7b7ac2b115
- SHA1 553bbaea2071bc7976db326e6dddb041f3e24f71
- SHA512 beb27136d8a0a3976fffde6a9ff1fd81f6a5f28e89651bbb6d9f8903266e0a9b272207f3c28438d06f029b559056e1584669ea60d7c58cb93ba3cb97dda2c064
- SSDEEP 24576:suYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:E9cKrUqZWLAcU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\HcbI\psr.exe
- Size 232KB
- SHA256 4f0144f0e3e721b44babbf41b513942e4117f730546105480571f9c8fce56a1f
- MD5 ad53ead5379985081b7c3f1f357e545a
- SHA1 6f5aa32c1d15fbf073558fadafd046d97b60184e
- SHA512 433098bd74c34fbadfa447ef45cfa9dc076aef4cf7f2a0a6fe79d5e67f2504eebe8aa31fc1b7a4c5eeb20ede2c5485f75ad0fd77b4ecba3d68ca63313e6f6ea0
- SSDEEP 6144:4L4XIiZNNbLfYhTREhgXhW7LygUovIARZ8:4L4XBtwTR5XhMLyg6ARa
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Reuom.lnk
- Size 1KB
- SHA256 8de310d23aa75efe2f1aafc12f6ce8a7d91a2dbc29f6e64e72c89e6dcb0657a1
- MD5 1f4644885bc3cf1aa0e43433fe392fa8
- SHA1 d075678886c98bfaa04839ffc50c5edf8b8206e8
- SHA512 d2b977186262e013ae5d700d918fa95a7c04aec84eb7b882e6456d55ac92806840dc49522e772af5c83bb97db53abe2075e6c73aab534738c33f5c6f0c819180
- MD5 SHA1 SHA512