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Analysis
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max time kernel
79s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2025, 00:18
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe
Resource
win7-20240903-en
General
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Target
2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe
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Size
3.7MB
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MD5
fa93e5224640f9c2f0376eff52d95651
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SHA1
c984a55f00d96464053d26535f71ac67b8e0a3f6
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SHA256
ffc0d865cfbd409a73a4292c31e396d1b6ba10d3742b00eefc8ec056dbc2a26b
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SHA512
878b5615cae26ad0a91102b84068db1fb2531d667055f4132106fc74851471f6504c8c635d9d72c6a6c159d4e731cc75d3bcbc0ac13b3b3958a9e44bae4b0064
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SSDEEP
98304:rF2SDPX7mB6Nu9PGfspNYkbdxJcDaUWzKIgb6ODMeH:TDmBb9JbPWHWzKaOA2
Malware Config
Signatures
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Ramnit family
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000d000000023f72-18.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 4492 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe -
Loads dropped DLL 8 IoCs
pid Process 4492 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe 4492 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe 4492 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 1668 WerFault.exe 2484 WerFault.exe 2484 WerFault.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe -
resource yara_rule behavioral2/memory/4492-14-0x0000000000400000-0x000000000042B000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 3 IoCs
pid pid_target Process procid_target 1668 4492 WerFault.exe 2484 748 WerFault.exe 87 1084 748 WerFault.exe 87 -
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 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4492 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 748 wrote to memory of 4492 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 88 PID 748 wrote to memory of 4492 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 88 PID 748 wrote to memory of 4492 748 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exeC:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 5923⤵
- Loads dropped DLL
- Program crash
PID:1668
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 9362⤵
- Loads dropped DLL
- Program crash
PID:2484
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 9442⤵
- Program crash
PID:1084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4492 -ip 44921⤵PID:4812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 748 -ip 7481⤵PID:216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 748 -ip 7481⤵PID:2080
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
357KB
MD504b33929bf77bf019feff1004fa39783
SHA1f51eebc8ef5492a3dde0308382c762c3a9a8b5ce
SHA256a7810ebf475d132418ddcf42eb952eab751a0cf2795921401f4b96ca7518f205
SHA512f6c3fc03e76b45abc88699318deb589c2b10f7740e7e602e09c549735f9b936597a4c900003373f7df91e87ad1fc169d159daafc32f938e8d62da1b3947b6fdb
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Filesize
172KB
MD5685f1cbd4af30a1d0c25f252d399a666
SHA16a1b978f5e6150b88c8634146f1406ed97d2f134
SHA2560e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA5126555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219