Analysis
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max time kernel
141s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
20/11/2024, 02:54
Static task
static1
Behavioral task
behavioral1
Sample
7e63d9480a707ee49490f753c57959a97b207212a668312dd7302df658452160.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
7e63d9480a707ee49490f753c57959a97b207212a668312dd7302df658452160.dll
Resource
win10v2004-20241007-en
General
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Target
7e63d9480a707ee49490f753c57959a97b207212a668312dd7302df658452160.dll
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Size
128KB
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MD5
82b8e2d9302f9ddf403b5a7c608ab4b7
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SHA1
b2d7c36479fdec9065b4090159f1c22ce3ae78a6
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SHA256
7e63d9480a707ee49490f753c57959a97b207212a668312dd7302df658452160
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SHA512
199d62020dcef9b01cc688a5dda52598f276201bf75291010c2ff7588fd326393023c40faedcf1771180bc5cde51b5801ae4571b4c2a064680e6af2a686b8257
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SSDEEP
3072:pE+8OKVuMxgMLQ813qgy0ExYhnMzJkt0lDMKPX:18NcMxdLQ81amJMF7eKv
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
flow pid Process 4 612 rundll32.exe 5 612 rundll32.exe 8 612 rundll32.exe 9 612 rundll32.exe 10 612 rundll32.exe 13 612 rundll32.exe 14 612 rundll32.exe 15 612 rundll32.exe 17 612 rundll32.exe 18 612 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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Linycpy = "C:\\Windows\\SysWOW64\\rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\7e63d9480a707ee49490f753c57959a97b207212a668312dd7302df658452160.dll\",SetHandle" 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) \??\y: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\n: 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 1 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 rundll32.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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 612 rundll32.exe 612 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 612 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2844 wrote to memory of 612 2844 rundll32.exe 28 PID 2844 wrote to memory of 612 2844 rundll32.exe 28 PID 2844 wrote to memory of 612 2844 rundll32.exe 28 PID 2844 wrote to memory of 612 2844 rundll32.exe 28 PID 2844 wrote to memory of 612 2844 rundll32.exe 28 PID 2844 wrote to memory of 612 2844 rundll32.exe 28 PID 2844 wrote to memory of 612 2844 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7e63d9480a707ee49490f753c57959a97b207212a668312dd7302df658452160.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7e63d9480a707ee49490f753c57959a97b207212a668312dd7302df658452160.dll,#12⤵
- Blocklisted process makes network request
- 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:612
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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
1