Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
07/05/2024, 07:21
Static task
static1
Behavioral task
behavioral1
Sample
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
Resource
win10v2004-20240419-en
General
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Target
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
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Size
404KB
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MD5
d1cc50cc989327483ed464a6ce575c42
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SHA1
af5609dafec8a1c9a481a4a78134d11e77cb61f4
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SHA256
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1
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SHA512
def72c27a497f1a14a48b52a4dd216eae4d480e0740a024382b3d85bf41806552763b608724b927153777030eb0ff45c62fe2b299fde810ca9818b1673dd1fc0
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
flow pid Process 3 2592 rundll32.exe 5 2592 rundll32.exe 8 2592 rundll32.exe 9 2592 rundll32.exe 10 2592 rundll32.exe 13 2592 rundll32.exe 14 2592 rundll32.exe 15 2592 rundll32.exe 17 2592 rundll32.exe 18 2592 rundll32.exe -
Deletes itself 1 IoCs
pid Process 2796 atytp.exe -
Executes dropped EXE 1 IoCs
pid Process 2796 atytp.exe -
Loads dropped DLL 6 IoCs
pid Process 3036 cmd.exe 3036 cmd.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\wdrrl\\xgltzadhj.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) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\u: 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 2592 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\wdrrl atytp.exe File created \??\c:\Program Files\wdrrl\xgltzadhj.dll atytp.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 2392 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2592 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1940 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 2796 atytp.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1940 wrote to memory of 3036 1940 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 28 PID 1940 wrote to memory of 3036 1940 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 28 PID 1940 wrote to memory of 3036 1940 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 28 PID 1940 wrote to memory of 3036 1940 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 28 PID 3036 wrote to memory of 2392 3036 cmd.exe 30 PID 3036 wrote to memory of 2392 3036 cmd.exe 30 PID 3036 wrote to memory of 2392 3036 cmd.exe 30 PID 3036 wrote to memory of 2392 3036 cmd.exe 30 PID 3036 wrote to memory of 2796 3036 cmd.exe 31 PID 3036 wrote to memory of 2796 3036 cmd.exe 31 PID 3036 wrote to memory of 2796 3036 cmd.exe 31 PID 3036 wrote to memory of 2796 3036 cmd.exe 31 PID 2796 wrote to memory of 2592 2796 atytp.exe 32 PID 2796 wrote to memory of 2592 2796 atytp.exe 32 PID 2796 wrote to memory of 2592 2796 atytp.exe 32 PID 2796 wrote to memory of 2592 2796 atytp.exe 32 PID 2796 wrote to memory of 2592 2796 atytp.exe 32 PID 2796 wrote to memory of 2592 2796 atytp.exe 32 PID 2796 wrote to memory of 2592 2796 atytp.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\atytp.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2392
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C:\Users\Admin\AppData\Local\Temp\atytp.exeC:\Users\Admin\AppData\Local\Temp\\atytp.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2796 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\wdrrl\xgltzadhj.dll",Verify C:\Users\Admin\AppData\Local\Temp\atytp.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:2592
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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
MD5ab835376ad39138ec451a6757e6bade7
SHA15bca80ef943039988dc9c5604393ec30022b0c34
SHA256abe8e8c1f660fead212521ede4437e0cfb77aeced38e98a3a49988a5cd8b4e63
SHA5124d5e298bd5848fa8ecddf2ec8260da2138fc6a891e532286e57e06a69dcfe40ec92ee9df4091fe09d08666b2afacfd556c74caa6dc2c83a42c80a2043769b629
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Filesize
404KB
MD574bcfe32e526e67af864b64321d7672b
SHA19edb789d38e47d8cbc9f6cf21b903e9f157bf6f6
SHA256b0a38b9547be300051ddec14a32f95af6ae46269ebc8a0f6702cc74535024d61
SHA512a07cb642188c9b5955cee63f4bd1dde4c96377f995544aa60bc3aa935487d0c25aee7f0ad09f4149d9fc921feb518c2d34453cceddb6643ece3b41c11b586f73