Analysis
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max time kernel
144s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/05/2024, 02:59
Static task
static1
Behavioral task
behavioral1
Sample
55df5179a90de41691dd26553b8264c0_NEAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
55df5179a90de41691dd26553b8264c0_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
55df5179a90de41691dd26553b8264c0_NEAS.exe
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Size
287KB
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MD5
55df5179a90de41691dd26553b8264c0
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SHA1
86093a79408544dedfcb510eca0ec6fd27ff9aaf
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SHA256
406443462ef7c000ded1f4d0286e69be56cf48988f1d7f614b456f9037182612
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SHA512
4ec163485adc8bdb9416cffa91b3bd3ff3450f0b3835eefeec2585681c4a286a5581ecbf14b4711b2c0517c00726a688c58235ef9d0324e05205f9ae17c299e3
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SSDEEP
6144:p2wA/HQR9mgC74LtlgTvoRRcWd6V2NeTKDEeW3JHMRzfSAv:nA/QR9mb4Lt7cWd6VgeTKDEp3JifSo
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2108 qokpi.exe -
Executes dropped EXE 2 IoCs
pid Process 2108 qokpi.exe 2716 wcwiqcbz.exe -
Loads dropped DLL 7 IoCs
pid Process 1196 cmd.exe 1196 cmd.exe 2108 qokpi.exe 2716 wcwiqcbz.exe 2716 wcwiqcbz.exe 2716 wcwiqcbz.exe 2716 wcwiqcbz.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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\COAPI = "c:\\Program Files\\lxqxo\\wcwiqcbz.exe \"c:\\Program Files\\lxqxo\\wcwiqcbz.dll\",ClassObject" wcwiqcbz.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) \??\m: wcwiqcbz.exe File opened (read-only) \??\o: wcwiqcbz.exe File opened (read-only) \??\q: wcwiqcbz.exe File opened (read-only) \??\r: wcwiqcbz.exe File opened (read-only) \??\e: wcwiqcbz.exe File opened (read-only) \??\s: wcwiqcbz.exe File opened (read-only) \??\v: wcwiqcbz.exe File opened (read-only) \??\p: wcwiqcbz.exe File opened (read-only) \??\h: wcwiqcbz.exe File opened (read-only) \??\i: wcwiqcbz.exe File opened (read-only) \??\k: wcwiqcbz.exe File opened (read-only) \??\n: wcwiqcbz.exe File opened (read-only) \??\u: wcwiqcbz.exe File opened (read-only) \??\x: wcwiqcbz.exe File opened (read-only) \??\y: wcwiqcbz.exe File opened (read-only) \??\g: wcwiqcbz.exe File opened (read-only) \??\b: wcwiqcbz.exe File opened (read-only) \??\j: wcwiqcbz.exe File opened (read-only) \??\l: wcwiqcbz.exe File opened (read-only) \??\t: wcwiqcbz.exe File opened (read-only) \??\w: wcwiqcbz.exe File opened (read-only) \??\z: wcwiqcbz.exe File opened (read-only) \??\a: wcwiqcbz.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 wcwiqcbz.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created \??\c:\Program Files\lxqxo\wcwiqcbz.exe qokpi.exe File opened for modification \??\c:\Program Files\lxqxo\wcwiqcbz.exe qokpi.exe File opened for modification \??\c:\Program Files\lxqxo qokpi.exe File created \??\c:\Program Files\lxqxo\wcwiqcbz.dll qokpi.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 wcwiqcbz.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString wcwiqcbz.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2348 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2716 wcwiqcbz.exe 2716 wcwiqcbz.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2716 wcwiqcbz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2856 55df5179a90de41691dd26553b8264c0_NEAS.exe 2108 qokpi.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2856 wrote to memory of 1196 2856 55df5179a90de41691dd26553b8264c0_NEAS.exe 28 PID 2856 wrote to memory of 1196 2856 55df5179a90de41691dd26553b8264c0_NEAS.exe 28 PID 2856 wrote to memory of 1196 2856 55df5179a90de41691dd26553b8264c0_NEAS.exe 28 PID 2856 wrote to memory of 1196 2856 55df5179a90de41691dd26553b8264c0_NEAS.exe 28 PID 1196 wrote to memory of 2348 1196 cmd.exe 30 PID 1196 wrote to memory of 2348 1196 cmd.exe 30 PID 1196 wrote to memory of 2348 1196 cmd.exe 30 PID 1196 wrote to memory of 2348 1196 cmd.exe 30 PID 1196 wrote to memory of 2108 1196 cmd.exe 31 PID 1196 wrote to memory of 2108 1196 cmd.exe 31 PID 1196 wrote to memory of 2108 1196 cmd.exe 31 PID 1196 wrote to memory of 2108 1196 cmd.exe 31 PID 2108 wrote to memory of 2716 2108 qokpi.exe 32 PID 2108 wrote to memory of 2716 2108 qokpi.exe 32 PID 2108 wrote to memory of 2716 2108 qokpi.exe 32 PID 2108 wrote to memory of 2716 2108 qokpi.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qokpi.exe "C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2348
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C:\Users\Admin\AppData\Local\Temp\qokpi.exeC:\Users\Admin\AppData\Local\Temp\\qokpi.exe "C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2108 -
\??\c:\Program Files\lxqxo\wcwiqcbz.exe"c:\Program Files\lxqxo\wcwiqcbz.exe" "c:\Program Files\lxqxo\wcwiqcbz.dll",ClassObject C:\Users\Admin\AppData\Local\Temp\qokpi.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
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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
200KB
MD54cc6f477e5934fdfd31da67c27a0ac96
SHA1f94079343827b1e2705d815ff153fb358d55a95b
SHA256dff181e38176c754a34d981bd1ff684b8216206a1601a2a7c2e10c554ff3065a
SHA5128a61ae77f5b846b504e7355340be9840635307fc2addc63269f6fad7d5aea0e6d528304ba07869a765242c97fb60db0943737bd7a4be43b050d235cf34d6fd57
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
287KB
MD52c1cf11b5013b363da80bb78f105a82b
SHA1aa4c07f6f2f7dfa224ca7959d443a768573278be
SHA256ec40b63574918d40c752d30ad99fd249de0305f5641bccf57a80b575ede48e08
SHA5127474f8342eecd66a03024a3fcbd5882ddd2b594ba78b22a7d61f5412fabb5fae0d162fdac29a5b6804f5cd26d2ca8f883012e3fbd6a8c6bae45e72c81ddc5db4