Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15/01/2025, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe
Resource
win10v2004-20241007-en
General
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Target
2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe
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Size
99KB
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MD5
1e31318c26d353fcf0bc3486b2333184
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SHA1
5768fbce586243cf60c96d26a666f2a88d47f624
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SHA256
2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e
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SHA512
306f93eb2c72bc09ba65ee54b20a8b7e563bd1928865370fda57b534c6102ad68586962603fcca068a31775b10b7a8661e5ab7909711c2abe30692bc3f3fe2f9
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SSDEEP
3072:eSABNx6vb4RoI4pyjHYLhal01UoPX+hwo62:el69Ml0TEx
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 17 1688 rundll32.exe 18 1688 rundll32.exe 19 1688 rundll32.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0007000000023cab-8.dat acprotect -
Deletes itself 1 IoCs
pid Process 1500 xxsnskq.exe -
Executes dropped EXE 1 IoCs
pid Process 1500 xxsnskq.exe -
Loads dropped DLL 1 IoCs
pid Process 1688 rundll32.exe -
Reads user/profile data of web browsers 3 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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\jfemwtlm\\qmuqb.dll\",DoVirusScan" 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) \??\r: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\k: 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 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxsnskq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1908 cmd.exe 876 PING.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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 876 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1688 rundll32.exe 1688 rundll32.exe 1688 rundll32.exe 1688 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1688 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4024 2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe 1500 xxsnskq.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4024 wrote to memory of 1908 4024 2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe 83 PID 4024 wrote to memory of 1908 4024 2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe 83 PID 4024 wrote to memory of 1908 4024 2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe 83 PID 1908 wrote to memory of 876 1908 cmd.exe 85 PID 1908 wrote to memory of 876 1908 cmd.exe 85 PID 1908 wrote to memory of 876 1908 cmd.exe 85 PID 1908 wrote to memory of 1500 1908 cmd.exe 86 PID 1908 wrote to memory of 1500 1908 cmd.exe 86 PID 1908 wrote to memory of 1500 1908 cmd.exe 86 PID 1500 wrote to memory of 1688 1500 xxsnskq.exe 87 PID 1500 wrote to memory of 1688 1500 xxsnskq.exe 87 PID 1500 wrote to memory of 1688 1500 xxsnskq.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe"C:\Users\Admin\AppData\Local\Temp\2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\xxsnskq.exe "C:\Users\Admin\AppData\Local\Temp\2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:876
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\??\c:\xxsnskq.exec:\xxsnskq.exe "C:\Users\Admin\AppData\Local\Temp\2fb292210d6b46110d7f67220ee2b61ca5fd44effbbec76adf2a6a39532aea6e.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1500 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\jfemwtlm\qmuqb.dll",DoVirusScan c:\xxsnskq.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)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688
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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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
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Filesize
99KB
MD58f184e4b54f4c47fb6a33bfb06cc4486
SHA15d39f1321cde1e2a8cdaccb8b46e572aa36fcfe0
SHA256153c6cd8f8b1fb4b1533ebd11f9f063f4778017edfef8fb3c1605f1ee44a34d7
SHA512ba698462237bea9f63f4bbec1b940ec14e79c19f20ef267fddd63087e267e9ed3e865824954cfdbc7685cff91bbca73ac1385c3eb21376eba4c4bac5aa5ab62a
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Filesize
50KB
MD5cbfc06794d16ace6adf42210183fc1b9
SHA174fc68a2af225b0aca954b3684940747511013c5
SHA256b2d21c40c5bfc0f7695945946fa1cdd4eaf2f66a8391ddde6307c5f765fbf525
SHA512181dbe8b63e28a81cb8e0b7240df8745da350e1ab433b157b8b4fd36aa10f0782e807c09563bcffe37cfe64aa1b514b2cc1f179fbcba422d96867179d88e13c9