Analysis
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max time kernel
145s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
28/07/2024, 00:57
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe
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Size
35.2MB
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MD5
5198d9055eb666dd62c3da4c543f8c95
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SHA1
f97ac0ee8f4a1d0f643336fb72f43c6ba2cbad9b
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SHA256
1c7ce73f2c7f54916b00aeefc4f423e364411782e6e239f2f74417806a293a49
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SHA512
aece22ba864ea75abbccf5f2f9713ca4c3cadedce3d3a624cc0aede1eb13bf693928e4e95c146ca0ac3d166e28f010332cd6da51b86d1989c99a4fcca7ccf8f8
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SSDEEP
196608:Gs1X7ZCXnao5D9P9CEaSfi7fkElaucB+MJrfcWx1yl02CCunv/YjDF+JUvkxgzNA:Gs1QXFKSfi7cElYutvkxCEdDGm5hz
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x00090000000233ce-1.dat floxif -
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00090000000233ce-1.dat acprotect -
Loads dropped DLL 3 IoCs
pid Process 3964 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe 4648 WerFault.exe 1128 WerFault.exe -
resource yara_rule behavioral2/memory/3964-2-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/files/0x00090000000233ce-1.dat upx behavioral2/memory/3964-24-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1128 3964 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3964 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe 3964 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3964 2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3964 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 4242⤵
- Loads dropped DLL
- Program crash
PID:1128
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3964 -ip 39641⤵
- Loads dropped DLL
PID:4648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab