General
Target

3ee9471ac58b08b6bf94434c852c9beb714fc9528671e9f0e844c51199a32384.exe

Filesize

908KB

Completed

21-05-2022 00:33

Task

behavioral1

Score
10/10
MD5

c4afbd6e19c17dbbc1c73898c3595562

SHA1

2fcb0502909895b07017a03f50a57b6530e9a294

SHA256

3ee9471ac58b08b6bf94434c852c9beb714fc9528671e9f0e844c51199a32384

SHA512

30bab75ef8a03a41ec8f5820a54d14fef323fa0bf1a2368e08af8765826531cbe5fc7b8aee7063de930214e4157b483ae0ae0762565482481e24f75a572a695b

Malware Config

Extracted

Family

gozi_rm3

Attributes
build
300854

Extracted

Family

gozi_rm3

Botnet

202004141

C2

https://devicelease.xyz

Attributes
build
300854
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com
ru
org
exe_type
loader
server_id
12
url_path
index.htm
rsa_pubkey.plain
serpent.plain
Signatures 5

Filter: none

Defense Evasion
  • Gozi RM3

    Description

    A heavily modified version of Gozi using RM3 loader.

  • Modifies Internet Explorer settings
    iexplore.exeiexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

    TTPs

    Modify Registry

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Mainiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\InternetRegistryiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowseriexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgainiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\TabbedBrowsingiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearchiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\GPUiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActiveiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbariexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\GPUiexplore.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPageiexplore.exe
    Set value (data)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0b3df36aa6cd801iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MainIEXPLORE.EXE
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IETld\LowMiciexplore.exe
    Set value (data)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 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.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistryiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Zoomiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecoveryiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MINIEiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IETld\LowMiciexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\PageSetupiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowseriexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Mainiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActiveiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearchiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"iexplore.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgainiexplore.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"iexplore.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorageiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Zoomiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecoveryiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"iexplore.exe
    Set value (data)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000iexplore.exe
    Set value (data)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMiciexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistryiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMiciexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MINIEiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IntelliFormsiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistryiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IntelliFormsiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbariexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\PageSetupiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowseriexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorageiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\PageSetupiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Zoomiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActiveiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearchiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgainiexplore.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"iexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorageiexplore.exe
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MainIEXPLORE.EXE
    Key created\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Mainiexplore.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{84D918C1-D89D-11EC-96D0-66E616BC8074} = "0"iexplore.exe
  • Suspicious use of FindShellTrayWindow
    iexplore.exeiexplore.exeiexplore.exe

    Reported IOCs

    pidprocess
    1136iexplore.exe
    1136iexplore.exe
    1840iexplore.exe
    1536iexplore.exe
  • Suspicious use of SetWindowsHookEx
    iexplore.exeIEXPLORE.EXEIEXPLORE.EXEiexplore.exeIEXPLORE.EXEiexplore.exeIEXPLORE.EXE

    Reported IOCs

    pidprocess
    1136iexplore.exe
    1136iexplore.exe
    1632IEXPLORE.EXE
    1632IEXPLORE.EXE
    1136iexplore.exe
    1136iexplore.exe
    304IEXPLORE.EXE
    304IEXPLORE.EXE
    1840iexplore.exe
    1840iexplore.exe
    1824IEXPLORE.EXE
    1824IEXPLORE.EXE
    1536iexplore.exe
    1536iexplore.exe
    1448IEXPLORE.EXE
    1448IEXPLORE.EXE
  • Suspicious use of WriteProcessMemory
    iexplore.exeiexplore.exeiexplore.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1136 wrote to memory of 16321136iexplore.exeIEXPLORE.EXE
    PID 1136 wrote to memory of 16321136iexplore.exeIEXPLORE.EXE
    PID 1136 wrote to memory of 16321136iexplore.exeIEXPLORE.EXE
    PID 1136 wrote to memory of 16321136iexplore.exeIEXPLORE.EXE
    PID 1136 wrote to memory of 3041136iexplore.exeIEXPLORE.EXE
    PID 1136 wrote to memory of 3041136iexplore.exeIEXPLORE.EXE
    PID 1136 wrote to memory of 3041136iexplore.exeIEXPLORE.EXE
    PID 1136 wrote to memory of 3041136iexplore.exeIEXPLORE.EXE
    PID 1840 wrote to memory of 18241840iexplore.exeIEXPLORE.EXE
    PID 1840 wrote to memory of 18241840iexplore.exeIEXPLORE.EXE
    PID 1840 wrote to memory of 18241840iexplore.exeIEXPLORE.EXE
    PID 1840 wrote to memory of 18241840iexplore.exeIEXPLORE.EXE
    PID 1536 wrote to memory of 14481536iexplore.exeIEXPLORE.EXE
    PID 1536 wrote to memory of 14481536iexplore.exeIEXPLORE.EXE
    PID 1536 wrote to memory of 14481536iexplore.exeIEXPLORE.EXE
    PID 1536 wrote to memory of 14481536iexplore.exeIEXPLORE.EXE
Processes 8
  • C:\Users\Admin\AppData\Local\Temp\3ee9471ac58b08b6bf94434c852c9beb714fc9528671e9f0e844c51199a32384.exe
    "C:\Users\Admin\AppData\Local\Temp\3ee9471ac58b08b6bf94434c852c9beb714fc9528671e9f0e844c51199a32384.exe"
    PID:1932
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    Modifies Internet Explorer settings
    Suspicious use of FindShellTrayWindow
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:275457 /prefetch:2
      Suspicious use of SetWindowsHookEx
      PID:1632
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:275468 /prefetch:2
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:304
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    Modifies Internet Explorer settings
    Suspicious use of FindShellTrayWindow
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1840 CREDAT:275457 /prefetch:2
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1824
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    Modifies Internet Explorer settings
    Suspicious use of FindShellTrayWindow
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1536 CREDAT:275457 /prefetch:2
      Suspicious use of SetWindowsHookEx
      PID:1448
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Discovery
          Execution
            Exfiltration
              Impact
                Initial Access
                  Lateral Movement
                    Persistence
                      Privilege Escalation
                        Replay Monitor
                        00:00 00:00
                        Downloads
                        • memory/1932-54-0x00000000762C1000-0x00000000762C3000-memory.dmp

                        • memory/1932-55-0x0000000000220000-0x000000000022C000-memory.dmp

                        • memory/1932-56-0x0000000000400000-0x00000000004E5000-memory.dmp

                        • memory/1932-57-0x0000000000240000-0x0000000000251000-memory.dmp