5867305033836997a9a7a9e61ae8a6c1eb60ae37a490a3dc86c643a67dc3ef58

General

Target

dubi.exew.exe
Size

740KB
MD5

2301df3722a9635294c12b9208f5a155
SHA1

fb70e885511d04c3bd07e20d5adb24c70a92f440
SHA256

5867305033836997a9a7a9e61ae8a6c1eb60ae37a490a3dc86c643a67dc3ef58
SHA512

1ce4138c98ea55fb4a024ebe8214b6f620f9995a85b9582df187c3c4781661b85ed36c32f9e8a50623944e5bf8531a5771c985d29add4eb906dac08f8ae45048

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3996	updatewin.exe
420	5.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1036	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f77daaf7-41d2-4af5-98a8-6c01d80e14b4\\dubi.exew.exe\" --AutoStart"	dubi.exew.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
21	api.2ip.ua
10	api.2ip.ua
11	api.2ip.ua

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
208	420	WerFault.exe	83

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3236	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	dubi.exew.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	dubi.exew.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1108	dubi.exew.exe
1108	dubi.exew.exe
3616	dubi.exew.exe
3616	dubi.exew.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe
208	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	208	WerFault.exe
Token: SeBackupPrivilege	208	WerFault.exe
Token: SeDebugPrivilege	208	WerFault.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1036	1108	dubi.exew.exe	78
PID 1108 wrote to memory of 1036	1108	dubi.exew.exe	78
PID 1108 wrote to memory of 1036	1108	dubi.exew.exe	78
PID 1108 wrote to memory of 3616	1108	dubi.exew.exe	79
PID 1108 wrote to memory of 3616	1108	dubi.exew.exe	79
PID 1108 wrote to memory of 3616	1108	dubi.exew.exe	79
PID 3616 wrote to memory of 3996	3616	dubi.exew.exe	82
PID 3616 wrote to memory of 3996	3616	dubi.exew.exe	82
PID 3616 wrote to memory of 3996	3616	dubi.exew.exe	82
PID 3616 wrote to memory of 420	3616	dubi.exew.exe	83
PID 3616 wrote to memory of 420	3616	dubi.exew.exe	83
PID 3616 wrote to memory of 420	3616	dubi.exew.exe	83
PID 3996 wrote to memory of 1352	3996	updatewin.exe	86
PID 3996 wrote to memory of 1352	3996	updatewin.exe	86
PID 3996 wrote to memory of 1352	3996	updatewin.exe	86
PID 1352 wrote to memory of 3236	1352	cmd.exe	88
PID 1352 wrote to memory of 3236	1352	cmd.exe	88
PID 1352 wrote to memory of 3236	1352	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\dubi.exew.exe
"C:\Users\Admin\AppData\Local\Temp\dubi.exew.exe"
1⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\icacls.exe
  icacls "C:\Users\Admin\AppData\Local\f77daaf7-41d2-4af5-98a8-6c01d80e14b4" /deny *S-1-1-0:(OI)(CI)(DE,DC)
  2⤵
  - Modifies file permissions
  PID:1036
- C:\Users\Admin\AppData\Local\Temp\dubi.exew.exe
  "C:\Users\Admin\AppData\Local\Temp\dubi.exew.exe" --Admin IsNotAutoStart IsNotTask
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3616
- - C:\Users\Admin\AppData\Local\bc261e48-32db-4ba7-ab25-23b6a5df27e4\updatewin.exe
    "C:\Users\Admin\AppData\Local\bc261e48-32db-4ba7-ab25-23b6a5df27e4\updatewin.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3996
  - - C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\bc261e48-32db-4ba7-ab25-23b6a5df27e4\updatewin.exe
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1352
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 3
        5⤵
        Delays execution with timeout.exe
        
        PID:3236
- - C:\Users\Admin\AppData\Local\bc261e48-32db-4ba7-ab25-23b6a5df27e4\5.exe
    "C:\Users\Admin\AppData\Local\bc261e48-32db-4ba7-ab25-23b6a5df27e4\5.exe"
    3⤵
    - Executes dropped EXE
    PID:420
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 1436
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/208-21-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/1108-2-0x0000000003420000-0x0000000003421000-memory.dmp

Filesize
4KB

Download
memory/1108-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1108-4-0x0000000003220000-0x000000000333A000-memory.dmp

Filesize
1.1MB

Download
memory/3616-14-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3616-8-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads