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Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/03/2025, 00:34
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 behavioral1/files/0x00080000000174cc-12.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 1684 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe -
Loads dropped DLL 5 IoCs
pid Process 2276 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 2276 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 1684 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe 1684 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe 1684 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.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 behavioral1/memory/1684-15-0x0000000000400000-0x000000000042B000-memory.dmp upx behavioral1/memory/1684-22-0x0000000000400000-0x000000000042B000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2716 1684 WerFault.exe 30 -
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 SetWindowsHookEx 1 IoCs
pid Process 1684 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2276 wrote to memory of 1684 2276 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 30 PID 2276 wrote to memory of 1684 2276 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 30 PID 2276 wrote to memory of 1684 2276 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 30 PID 2276 wrote to memory of 1684 2276 2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe 30
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 WriteProcessMemory
PID:2276 -
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:1684 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 2083⤵
- Program crash
PID:2716
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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
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94