Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/05/2024, 07:19
Static task
static1
Behavioral task
behavioral1
Sample
14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe
Resource
win10v2004-20240226-en
General
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Target
14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe
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Size
404KB
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MD5
0bd29ecec69f403fa146df188c4406ed
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SHA1
7482ed095cc4ad13e43bdef78aa3690cb8b9a762
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SHA256
14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e
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SHA512
e930c020b45d04f3fd18afc9fe39ec860ed611fdb547a33c47e4034c2b0599b50715727999cee710008b6502a69af0eb46d1eae468c1a69761da1a510b482173
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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 2616 rundll32.exe 5 2616 rundll32.exe 6 2616 rundll32.exe 7 2616 rundll32.exe 8 2616 rundll32.exe 9 2616 rundll32.exe 10 2616 rundll32.exe 11 2616 rundll32.exe 13 2616 rundll32.exe 14 2616 rundll32.exe -
Deletes itself 1 IoCs
pid Process 2528 gasyt.exe -
Executes dropped EXE 1 IoCs
pid Process 2528 gasyt.exe -
Loads dropped DLL 6 IoCs
pid Process 1736 cmd.exe 1736 cmd.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\jqgpfdr\\dbedvdx.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) \??\s: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\a: 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 2616 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\jqgpfdr gasyt.exe File created \??\c:\Program Files\jqgpfdr\dbedvdx.dll gasyt.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 1656 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe 2616 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2616 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2084 14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe 2528 gasyt.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2084 wrote to memory of 1736 2084 14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe 28 PID 2084 wrote to memory of 1736 2084 14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe 28 PID 2084 wrote to memory of 1736 2084 14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe 28 PID 2084 wrote to memory of 1736 2084 14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe 28 PID 1736 wrote to memory of 1656 1736 cmd.exe 30 PID 1736 wrote to memory of 1656 1736 cmd.exe 30 PID 1736 wrote to memory of 1656 1736 cmd.exe 30 PID 1736 wrote to memory of 1656 1736 cmd.exe 30 PID 1736 wrote to memory of 2528 1736 cmd.exe 31 PID 1736 wrote to memory of 2528 1736 cmd.exe 31 PID 1736 wrote to memory of 2528 1736 cmd.exe 31 PID 1736 wrote to memory of 2528 1736 cmd.exe 31 PID 2528 wrote to memory of 2616 2528 gasyt.exe 32 PID 2528 wrote to memory of 2616 2528 gasyt.exe 32 PID 2528 wrote to memory of 2616 2528 gasyt.exe 32 PID 2528 wrote to memory of 2616 2528 gasyt.exe 32 PID 2528 wrote to memory of 2616 2528 gasyt.exe 32 PID 2528 wrote to memory of 2616 2528 gasyt.exe 32 PID 2528 wrote to memory of 2616 2528 gasyt.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe"C:\Users\Admin\AppData\Local\Temp\14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\gasyt.exe "C:\Users\Admin\AppData\Local\Temp\14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:1656
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C:\Users\Admin\AppData\Local\Temp\gasyt.exeC:\Users\Admin\AppData\Local\Temp\\gasyt.exe "C:\Users\Admin\AppData\Local\Temp\14cfaf877c7698d5fc87d844f66d2b917709070f5feb4e33e10b11017c02fb1e.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\jqgpfdr\dbedvdx.dll",Verify C:\Users\Admin\AppData\Local\Temp\gasyt.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:2616
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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
MD52673ebc6fe10cc72b07868bea94353b6
SHA14f928afbdd5718872a26ff4d34eb59ab3fde53c3
SHA2560679a659b1a3aa2d28be4eb55da73477daa91e640c5699f406b8e428f2e9543e
SHA512cbd411664b527bb8762aadd2374606e4cc62f91bac657a440d8badb1e3d06ccf02f22047a5e386fde9d068f22856381316bd74e04e1e15c48f5c06eb83effefd
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Filesize
404KB
MD5782312d397dabd5899aa0bc023af409b
SHA1e9325da33a69c170e721aef5d24c901163860d24
SHA25628424092d478e6d2921c8b146d1f87c70d35c83dde5dd71ca7f783b35194815a
SHA512967d42c5ce807149fe98f8da016478c12341a20f6000909c57bdc1f03f2de178c7ce9ecd59966b8291d21181ef00db6cbab45e29cfeebc2b72626ef70f323ecf