Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
13-07-2024 15:36
Static task
static1
Behavioral task
behavioral1
Sample
16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe
Resource
win10v2004-20240709-en
General
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Target
16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe
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Size
408KB
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MD5
04b6cd511ca6299b2b6ae8c3b990221e
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SHA1
50d7cbf4c67916de014d846b7afb80a07f486a16
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SHA256
16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab
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SHA512
6bd5fe393b9dafe58dedc9c0d85046484a20abef5d7f080c22e292edfb3e8a127170f2c92168f7e3efa9b27d20cc246b15aac195547c0d77c45959a40b6b65ec
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4A:gtRfJcNYFNm8UhlZGseA
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
flow pid Process 3 2948 rundll32.exe 5 2948 rundll32.exe 6 2948 rundll32.exe 7 2948 rundll32.exe 8 2948 rundll32.exe 9 2948 rundll32.exe 10 2948 rundll32.exe 11 2948 rundll32.exe 13 2948 rundll32.exe 14 2948 rundll32.exe -
Deletes itself 1 IoCs
pid Process 2808 ogsic.exe -
Executes dropped EXE 1 IoCs
pid Process 2808 ogsic.exe -
Loads dropped DLL 6 IoCs
pid Process 2868 cmd.exe 2868 cmd.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\vcrhl\\iqlvzrcj.dll\",Verify" rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\w: rundll32.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 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2948 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\vcrhl ogsic.exe File created \??\c:\Program Files\vcrhl\iqlvzrcj.dll ogsic.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2736 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2948 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2884 16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe 2808 ogsic.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2884 wrote to memory of 2868 2884 16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe 30 PID 2884 wrote to memory of 2868 2884 16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe 30 PID 2884 wrote to memory of 2868 2884 16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe 30 PID 2884 wrote to memory of 2868 2884 16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe 30 PID 2868 wrote to memory of 2736 2868 cmd.exe 32 PID 2868 wrote to memory of 2736 2868 cmd.exe 32 PID 2868 wrote to memory of 2736 2868 cmd.exe 32 PID 2868 wrote to memory of 2736 2868 cmd.exe 32 PID 2868 wrote to memory of 2808 2868 cmd.exe 33 PID 2868 wrote to memory of 2808 2868 cmd.exe 33 PID 2868 wrote to memory of 2808 2868 cmd.exe 33 PID 2868 wrote to memory of 2808 2868 cmd.exe 33 PID 2808 wrote to memory of 2948 2808 ogsic.exe 34 PID 2808 wrote to memory of 2948 2808 ogsic.exe 34 PID 2808 wrote to memory of 2948 2808 ogsic.exe 34 PID 2808 wrote to memory of 2948 2808 ogsic.exe 34 PID 2808 wrote to memory of 2948 2808 ogsic.exe 34 PID 2808 wrote to memory of 2948 2808 ogsic.exe 34 PID 2808 wrote to memory of 2948 2808 ogsic.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ogsic.exe "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2736
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C:\Users\Admin\AppData\Local\Temp\ogsic.exeC:\Users\Admin\AppData\Local\Temp\\ogsic.exe "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\vcrhl\iqlvzrcj.dll",Verify C:\Users\Admin\AppData\Local\Temp\ogsic.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
228KB
MD5e5c22b6f59a55c3e2505a9bed2b3a0ca
SHA174d5fa7e4a110fd3cdbe897898c6d50e1d72422d
SHA256ab977e7125cc1f0039d89556a67e71199a1ace6b36bb2279c607f227792d349a
SHA512146882324c0b1c56b77448463cf5e56a882bc48fb3bfccbec29a41a0df9035c50f0f9b80298f0a933dcde75155aecc60a7bf0b2fa883ae9ca32cefd802a63ac6
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Filesize
409KB
MD5cfbb2c69bd4520266bbe00aa85a25801
SHA17c97c790bb9d4d371272f82995544a7ea6698141
SHA2564fce407c547cb0b8f43901fbe9038c4e3b786515f59b54bc6621ff809ccb6be7
SHA512c9a92e359b9e7f0ea129dadc93c84504f60d64d195586ff0e355c61a4562a85e3b9ebdd18c6df4a72ed3bbd6ac26d08e7606592ccc528c43b3687797d73175d9