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Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
13/06/2024, 04:47
Static task
static1
Behavioral task
behavioral1
Sample
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe
Resource
win10v2004-20240226-en
General
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Target
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe
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Size
83KB
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MD5
f7ff0ba605d1a9c0a34e5d7b4c9c3184
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SHA1
192e69570dde2ae53ee83a54686af39e8937188b
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SHA256
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a
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SHA512
679db2c1f143d91691a9cf0daf97d91d2c9317973409e25be191939d41dca7b2a7021148b4d309c95a430a219ea6d527fdb05a5244531e6324ddaeb3bb7aa10c
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO247KJFM:GhfxHNIreQm+Hi747KJFM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2988 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File created C:\Windows\SysWOW64\¢«.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File created C:\Windows\system\rundll32.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718254027" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718254027" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2988 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 2988 rundll32.exe 2988 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2360 wrote to memory of 2988 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 28 PID 2360 wrote to memory of 2988 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 28 PID 2360 wrote to memory of 2988 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 28 PID 2360 wrote to memory of 2988 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 28 PID 2360 wrote to memory of 2988 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 28 PID 2360 wrote to memory of 2988 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 28 PID 2360 wrote to memory of 2988 2360 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe"C:\Users\Admin\AppData\Local\Temp\7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a
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Filesize
76KB
MD578e70f15776f745ce34c37ad7f8cd1a3
SHA10846c7c8a5bf2239ce55298a885b5acde9eac92d
SHA256b14d3b7c9b6836d4c9e20b9d1bd53477aa457bff42b185647c45230f017457f1
SHA5120778bacdb2d4a98f1dd56e78bc193f796dfaa365e53e5173f6f98a9e1081e6303de20c642861fe88ce946c8364f88e2ac049c2e3ad6e8b755cf7aa7ba5e08fe5