be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2

Resubmissions

18-03-2021 22:02

210318-wg14eesjje 10

13-11-2020 10:22

201113-ycmfkdqrdn 10

Analysis

max time kernel
93s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
13-11-2020 10:22

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General

Target

be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2.dll
Size

136KB
MD5

fe590fd117449bce4bfad57d36bfc099
SHA1

a5c3d7738ebc1f1ce8353e135b8dcea17155077b
SHA256

be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2
SHA512

f8e39f1e83dd666fff67161864c75057a0f6b4ad1692f0013f0aef47d69ed350662f0784555a72fcdb34bb5937371c7d75010639d5ae31c32d7383ee10a6605b

Score

8^/10

Malware Config

Signatures

Blacklisted process makes network request 1 IoCs

flow	pid	Process
24	996	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{FC610462-25A2-11EB-B59A-EE9C0FE9D2F9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3504185545"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000001cad0ccd232972468e753df42302a60a00000000020000000000106600000001000020000000c803d06a1c014c55126963368b4037546fe7f55cd0372a2a01be9bd2402a9093000000000e800000000200002000000019e5a96e2d0b0ba51f83c5c51d2fbeb6920f0c098d15275a815674aa15895436200000007a16900cfac73f2ecc4880096898ed5fadddae473448642d32cdc5e2fd94bf8140000000f608bc859a8f5b4ce38376c806592f77572c6e70a39342f75b62beb6bc125b7cb45406a2ae21c38ac25a4031092bf9597ba04da0aed00c0ca8d2a192ff991c4b	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30849455"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30849455"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 303caad4afb9d601	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000001cad0ccd232972468e753df42302a60a0000000002000000000010660000000100002000000048d5c17fed482417f28f02def8625616425b148ceb88d21ab7bd00a7870ca3b1000000000e800000000200002000000066eb5e95c6847a7abf3d2e4c2d615d4bd049178b50706c618af60fafb26fb72420000000f3b2cd4f06ef80f47664a57cda33c8ca4255d7bf8a41562588c7aa01baf7ccc440000000f7df1699d508f90708a67e26797c72fa5a944e26500d28c1d2f0a9423fce7ea8b6dea40fc0bb8544972183ae2eda2ebaa1cbf5eeb12bac675c372d39ec408533	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f05cc9d4afb9d601	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3504185545"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2128	powershell.exe
2128	powershell.exe
2128	powershell.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2128	powershell.exe
996	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1492	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1492	iexplore.exe
1492	iexplore.exe
3456	IEXPLORE.EXE
3456	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 996	640	rundll32.exe	68
PID 640 wrote to memory of 996	640	rundll32.exe	68
PID 640 wrote to memory of 996	640	rundll32.exe	68
PID 1492 wrote to memory of 3456	1492	iexplore.exe	81
PID 1492 wrote to memory of 3456	1492	iexplore.exe	81
PID 1492 wrote to memory of 3456	1492	iexplore.exe	81
PID 1836 wrote to memory of 1864	1836	cmd.exe	85
PID 1836 wrote to memory of 1864	1836	cmd.exe	85
PID 1864 wrote to memory of 2052	1864	forfiles.exe	87
PID 1864 wrote to memory of 2052	1864	forfiles.exe	87
PID 2052 wrote to memory of 2128	2052	cmd.exe	88
PID 2052 wrote to memory of 2128	2052	cmd.exe	88
PID 2128 wrote to memory of 4012	2128	powershell.exe	89
PID 2128 wrote to memory of 4012	2128	powershell.exe	89
PID 4012 wrote to memory of 2304	4012	csc.exe	90
PID 4012 wrote to memory of 2304	4012	csc.exe	90
PID 2128 wrote to memory of 2808	2128	powershell.exe	91
PID 2128 wrote to memory of 2808	2128	powershell.exe	91
PID 2808 wrote to memory of 3856	2808	csc.exe	92
PID 2808 wrote to memory of 3856	2808	csc.exe	92
PID 2128 wrote to memory of 2868	2128	powershell.exe	57
PID 996 wrote to memory of 2868	996	rundll32.exe	57

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2868
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2.dll,#1
    3⤵
    - Blacklisted process makes network request
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:996
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /min forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA & exit" /p C:\Windows\system32 /s /m po*l.e*e
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\system32\forfiles.exe
    forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA & exit" /p C:\Windows\system32 /s /m po*l.e*e
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Windows\system32\cmd.exe
      /k "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2052
    - - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwATgBlAHQAaQBkACcAKQAuAFQA
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2128
      - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\15pcfqs2\15pcfqs2.cmdline"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:4012
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6429.tmp" "c:\Users\Admin\AppData\Local\Temp\15pcfqs2\CSCDAEE5FC6489A4EFC9D6F70A4B78334CA.TMP"
        7⤵
        
        PID:2304
      - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\eak03o5o\eak03o5o.cmdline"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2808
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6543.tmp" "c:\Users\Admin\AppData\Local\Temp\eak03o5o\CSC8F5B777C759A49EBAA7949676E152E2F.TMP"
        7⤵
        
        PID:3856

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1492 CREDAT:82945 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/996-30-0x0000000004310000-0x0000000004328000-memory.dmp

Filesize
96KB

Download
memory/996-1-0x0000000004720000-0x0000000004732000-memory.dmp

Filesize
72KB

Download
memory/2128-9-0x00007FF9E63D0000-0x00007FF9E6DBC000-memory.dmp

Filesize
9.9MB

Download
memory/2128-19-0x000002711B390000-0x000002711B391000-memory.dmp

Filesize
4KB

Download
memory/2128-10-0x000002711B340000-0x000002711B341000-memory.dmp

Filesize
4KB

Download
memory/2128-27-0x000002711B3A0000-0x000002711B3A1000-memory.dmp

Filesize
4KB

Download
memory/2128-28-0x0000027136020000-0x0000027136038000-memory.dmp

Filesize
96KB

Download
memory/2128-11-0x0000027136080000-0x0000027136081000-memory.dmp

Filesize
4KB

Download