97e95e99fd499ec45a7c1d8683d5731ce5e7a8fb8b710622e578cd169a00d8d9

Target

Install.exe
Size

497KB
MD5

41a5f4fd1ea7cac4aa94a87aebccfef0
SHA1

0d0abf079413a4c773754bf4fda338dc5b9a8ddc
SHA256

97e95e99fd499ec45a7c1d8683d5731ce5e7a8fb8b710622e578cd169a00d8d9
SHA512

5ca14bda498f26efff4e1179969b8f2c25244063c7bf25f3ec20b5cd24b5be320bbfb8b3d0b2d66f5c5b415da777a766fece5f251a4247773c6cb991417fb75f

Score

8^/10

discovery persistence

Malware Config

Signatures

Downloads MZ/PE file

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Ultra.exe

Executes dropped EXE 7 IoCs

pid	Process
2136	Install.tmp
204	Ultra.exe
2104	ultramediaburner.exe
3868	ultramediaburner.tmp
3872	Baehynetece.exe
4036	Pubuzhaecezhu.exe
2748	UltraMediaBurner.exe

Loads dropped DLL 1 IoCs

pid	Process
2136	Install.tmp

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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\system recover = "\"C:\\Program Files (x86)\\Windows Multimedia Platform\\Raetidoxybi.exe\""	Ultra.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\VWWDIHFBPV\ultramediaburner.exe	Ultra.exe
File opened for modification	C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe	ultramediaburner.tmp
File created	C:\Program Files (x86)\Windows Multimedia Platform\Raetidoxybi.exe	Ultra.exe
File created	C:\Program Files (x86)\UltraMediaBurner\is-A4A50.tmp	ultramediaburner.tmp
File opened for modification	C:\Program Files (x86)\UltraMediaBurner\unins000.dat	ultramediaburner.tmp
File created	C:\Program Files\Internet Explorer\VWWDIHFBPV\ultramediaburner.exe.config	Ultra.exe
File created	C:\Program Files (x86)\UltraMediaBurner\unins000.dat	ultramediaburner.tmp
File created	C:\Program Files (x86)\Windows Multimedia Platform\Raetidoxybi.exe.config	Ultra.exe
File created	C:\Program Files (x86)\UltraMediaBurner\is-A1SIT.tmp	ultramediaburner.tmp

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3868	ultramediaburner.tmp
3868	ultramediaburner.tmp

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	204	Ultra.exe
Token: SeDebugPrivilege	3872	Baehynetece.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3868	ultramediaburner.tmp

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2136	2112	Install.exe	75
PID 2112 wrote to memory of 2136	2112	Install.exe	75
PID 2112 wrote to memory of 2136	2112	Install.exe	75
PID 2136 wrote to memory of 204	2136	Install.tmp	77
PID 2136 wrote to memory of 204	2136	Install.tmp	77
PID 204 wrote to memory of 2104	204	Ultra.exe	80
PID 204 wrote to memory of 2104	204	Ultra.exe	80
PID 204 wrote to memory of 2104	204	Ultra.exe	80
PID 2104 wrote to memory of 3868	2104	ultramediaburner.exe	81
PID 2104 wrote to memory of 3868	2104	ultramediaburner.exe	81
PID 2104 wrote to memory of 3868	2104	ultramediaburner.exe	81
PID 204 wrote to memory of 3872	204	Ultra.exe	83
PID 204 wrote to memory of 3872	204	Ultra.exe	83
PID 204 wrote to memory of 4036	204	Ultra.exe	84
PID 204 wrote to memory of 4036	204	Ultra.exe	84
PID 3868 wrote to memory of 2748	3868	ultramediaburner.tmp	85
PID 3868 wrote to memory of 2748	3868	ultramediaburner.tmp	85

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\is-R8K88.tmp\Install.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-R8K88.tmp\Install.tmp" /SL5="$20110,235791,152064,C:\Users\Admin\AppData\Local\Temp\Install.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Users\Admin\AppData\Local\Temp\is-TADOS.tmp\Ultra.exe
    "C:\Users\Admin\AppData\Local\Temp\is-TADOS.tmp\Ultra.exe" /S /UID=burnerch1
    3⤵
    - Drops file in Drivers directory
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Program Files directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:204
  - - C:\Program Files\Internet Explorer\VWWDIHFBPV\ultramediaburner.exe
      "C:\Program Files\Internet Explorer\VWWDIHFBPV\ultramediaburner.exe" /VERYSILENT
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2104
    - - C:\Users\Admin\AppData\Local\Temp\is-9K0L1.tmp\ultramediaburner.tmp
        
        "C:\Users\Admin\AppData\Local\Temp\is-9K0L1.tmp\ultramediaburner.tmp" /SL5="$A0038,281924,62464,C:\Program Files\Internet Explorer\VWWDIHFBPV\ultramediaburner.exe" /VERYSILENT
        5⤵
        Executes dropped EXE
        Drops file in Program Files directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        
        PID:3868
      - C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe
        
        "C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe" -silent -desktopShortcut -programMenu
        6⤵
        Executes dropped EXE
        
        PID:2748
  - - C:\Users\Admin\AppData\Local\Temp\64-1d9fa-96f-d0c9b-37e2a1ee0a74d\Baehynetece.exe
      "C:\Users\Admin\AppData\Local\Temp\64-1d9fa-96f-d0c9b-37e2a1ee0a74d\Baehynetece.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:3872
  - - C:\Users\Admin\AppData\Local\Temp\b0-c97e8-1ee-4cea4-d8365e0180e20\Pubuzhaecezhu.exe
      "C:\Users\Admin\AppData\Local\Temp\b0-c97e8-1ee-4cea4-d8365e0180e20\Pubuzhaecezhu.exe"
      4⤵
      Executes dropped EXE
      PID:4036
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\t0dullrm.qkl\instEU.exe & exit
        5⤵
        
        PID:4928
      - C:\Users\Admin\AppData\Local\Temp\t0dullrm.qkl\instEU.exe
        
        C:\Users\Admin\AppData\Local\Temp\t0dullrm.qkl\instEU.exe
        6⤵
        
        PID:4808
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\4edxzohz.wh0\gpooe.exe & exit
        5⤵
        
        PID:4888
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\nkavyoxp.3sd\google-game.exe & exit
        5⤵
        
        PID:4288
      - C:\Users\Admin\AppData\Local\Temp\nkavyoxp.3sd\google-game.exe
        
        C:\Users\Admin\AppData\Local\Temp\nkavyoxp.3sd\google-game.exe
        6⤵
        
        PID:4224
        
        C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" "C:\Program Files\install.dll",install
        7⤵
        
        PID:4532
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\qz1qxitb.qkx\md1_1eaf.exe & exit
        5⤵
        
        PID:4700
      - C:\Users\Admin\AppData\Local\Temp\qz1qxitb.qkx\md1_1eaf.exe
        
        C:\Users\Admin\AppData\Local\Temp\qz1qxitb.qkx\md1_1eaf.exe
        6⤵
        
        PID:4344
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\vdn1ogcj.ztx\VLYWYGTSZC.exe & exit
        5⤵
        
        PID:4708
      - C:\Users\Admin\AppData\Local\Temp\vdn1ogcj.ztx\VLYWYGTSZC.exe
        
        C:\Users\Admin\AppData\Local\Temp\vdn1ogcj.ztx\VLYWYGTSZC.exe
        6⤵
        
        PID:4612
        
        C:\Users\Admin\AppData\Local\Temp\RarSFX0\main.exe
        
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\main.exe"
        7⤵
        
        PID:4716
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\ghilzl04.ucu\y1.exe & exit
        5⤵
        
        PID:4648
      - C:\Users\Admin\AppData\Local\Temp\ghilzl04.ucu\y1.exe
        
        C:\Users\Admin\AppData\Local\Temp\ghilzl04.ucu\y1.exe
        6⤵
        
        PID:5108
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\3j1fdoqp.g0b\toolspab1.exe & exit
        5⤵
        
        PID:4336
      - C:\Users\Admin\AppData\Local\Temp\3j1fdoqp.g0b\toolspab1.exe
        
        C:\Users\Admin\AppData\Local\Temp\3j1fdoqp.g0b\toolspab1.exe
        6⤵
        
        PID:4228

C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
1⤵
PID:4184

C:\Windows\system32\browser_broker.exe
C:\Windows\system32\browser_broker.exe -Embedding
1⤵
PID:4244

C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
1⤵
PID:4492

C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
1⤵
PID:4560

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k SystemNetworkService
1⤵
PID:4388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/204-123-0x0000000002620000-0x0000000002622000-memory.dmp

Filesize
8KB

Download
memory/336-181-0x0000013CDA870000-0x0000013CDA8BB000-memory.dmp

Filesize
300KB

Download
memory/336-185-0x0000013CDAFD0000-0x0000013CDB040000-memory.dmp

Filesize
448KB

Download
memory/1036-210-0x000002736CD30000-0x000002736CDA0000-memory.dmp

Filesize
448KB

Download
memory/1152-201-0x00000161BBC40000-0x00000161BBCB0000-memory.dmp

Filesize
448KB

Download
memory/1256-219-0x0000025F77C40000-0x0000025F77CB0000-memory.dmp

Filesize
448KB

Download
memory/1340-229-0x000001EC08490000-0x000001EC08500000-memory.dmp

Filesize
448KB

Download
memory/1416-213-0x000001E759440000-0x000001E7594B0000-memory.dmp

Filesize
448KB

Download
memory/1944-222-0x000001B65A240000-0x000001B65A2B0000-memory.dmp

Filesize
448KB

Download
memory/2104-126-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2112-114-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2136-119-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2400-196-0x000002695A3A0000-0x000002695A410000-memory.dmp

Filesize
448KB

Download
memory/2432-191-0x00000191CCA70000-0x00000191CCAE0000-memory.dmp

Filesize
448KB

Download
memory/2616-180-0x0000017417D80000-0x0000017417DF0000-memory.dmp

Filesize
448KB

Download
memory/2664-233-0x000001FF5F760000-0x000001FF5F7D0000-memory.dmp

Filesize
448KB

Download
memory/2724-230-0x000001BFD3A00000-0x000001BFD3A70000-memory.dmp

Filesize
448KB

Download
memory/2748-149-0x0000000001224000-0x0000000001225000-memory.dmp

Filesize
4KB

Download
memory/2748-146-0x0000000001220000-0x0000000001222000-memory.dmp

Filesize
8KB

Download
memory/2748-152-0x0000000001225000-0x0000000001227000-memory.dmp

Filesize
8KB

Download
memory/2748-148-0x0000000001222000-0x0000000001224000-memory.dmp

Filesize
8KB

Download
memory/3828-190-0x000001B6165C0000-0x000001B616630000-memory.dmp

Filesize
448KB

Download
memory/3868-140-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/3872-142-0x00000000023F0000-0x00000000023F2000-memory.dmp

Filesize
8KB

Download
memory/4036-151-0x0000000002395000-0x0000000002396000-memory.dmp

Filesize
4KB

Download
memory/4036-147-0x0000000002392000-0x0000000002394000-memory.dmp

Filesize
8KB

Download
memory/4036-143-0x0000000002390000-0x0000000002392000-memory.dmp

Filesize
8KB

Download
memory/4388-184-0x000001F8C2AD0000-0x000001F8C2B40000-memory.dmp

Filesize
448KB

Download
memory/4532-175-0x00000000046BA000-0x00000000047BB000-memory.dmp

Filesize
1.0MB

Download
memory/4532-178-0x0000000000DF0000-0x0000000000E4C000-memory.dmp

Filesize
368KB

Download
memory/4808-159-0x0000000000470000-0x00000000005BA000-memory.dmp

Filesize
1.3MB

Download
memory/4808-158-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download