cab4edff3dfee7b58936f9e01a1d06ab944b58bdc9a6442cff6f2625267d3817

General

Target

11a73e92abda63441b770d350c5b1607.exe
Size

58KB
MD5

11a73e92abda63441b770d350c5b1607
SHA1

e7cf35bac96dabf03894283c73ea96872597f7b1
SHA256

cab4edff3dfee7b58936f9e01a1d06ab944b58bdc9a6442cff6f2625267d3817
SHA512

4d85ddb115a99802c0ca04d6077f59d6810caf466c941af76cd4cd48c0608555f76dc5ff8cc38e3013b1ac197d28c320c014641b0db80999b19bb29c8de38cf7
SSDEEP

1536:dhk+fFlM3uFqYZdQjxBP52N4yJIbYEp3qMtjqMqMjqMqlqMn:dJMaZdo2NjJAYEpG

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2512	11a73e92abda63441b770d350c5b1607.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winuzc32.rom,bqbtSCdh"	11a73e92abda63441b770d350c5b1607.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winuzc32.rom	11a73e92abda63441b770d350c5b1607.exe
File opened for modification	C:\Windows\SysWOW64\winuzc32.rom	11a73e92abda63441b770d350c5b1607.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2208	2512	WerFault.exe	18

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{49766981-A2C8-11EE-B273-4AE60EE50717} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409631044"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2848	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2848	iexplore.exe
2848	iexplore.exe
2604	IEXPLORE.EXE
2604	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2396	2512	11a73e92abda63441b770d350c5b1607.exe	28
PID 2512 wrote to memory of 2396	2512	11a73e92abda63441b770d350c5b1607.exe	28
PID 2512 wrote to memory of 2396	2512	11a73e92abda63441b770d350c5b1607.exe	28
PID 2512 wrote to memory of 2396	2512	11a73e92abda63441b770d350c5b1607.exe	28
PID 2396 wrote to memory of 2848	2396	cmd.exe	30
PID 2396 wrote to memory of 2848	2396	cmd.exe	30
PID 2396 wrote to memory of 2848	2396	cmd.exe	30
PID 2396 wrote to memory of 2848	2396	cmd.exe	30
PID 2848 wrote to memory of 2604	2848	iexplore.exe	31
PID 2848 wrote to memory of 2604	2848	iexplore.exe	31
PID 2848 wrote to memory of 2604	2848	iexplore.exe	31
PID 2848 wrote to memory of 2604	2848	iexplore.exe	31
PID 2512 wrote to memory of 2848	2512	11a73e92abda63441b770d350c5b1607.exe	30
PID 2512 wrote to memory of 2848	2512	11a73e92abda63441b770d350c5b1607.exe	30
PID 2512 wrote to memory of 1224	2512	11a73e92abda63441b770d350c5b1607.exe	5
PID 2512 wrote to memory of 1224	2512	11a73e92abda63441b770d350c5b1607.exe	5
PID 2512 wrote to memory of 300	2512	11a73e92abda63441b770d350c5b1607.exe	32
PID 2512 wrote to memory of 300	2512	11a73e92abda63441b770d350c5b1607.exe	32
PID 2512 wrote to memory of 300	2512	11a73e92abda63441b770d350c5b1607.exe	32
PID 2512 wrote to memory of 300	2512	11a73e92abda63441b770d350c5b1607.exe	32
PID 2512 wrote to memory of 2208	2512	11a73e92abda63441b770d350c5b1607.exe	34
PID 2512 wrote to memory of 2208	2512	11a73e92abda63441b770d350c5b1607.exe	34
PID 2512 wrote to memory of 2208	2512	11a73e92abda63441b770d350c5b1607.exe	34
PID 2512 wrote to memory of 2208	2512	11a73e92abda63441b770d350c5b1607.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\11a73e92abda63441b770d350c5b1607.exe
  "C:\Users\Admin\AppData\Local\Temp\11a73e92abda63441b770d350c5b1607.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c start iexplore -embedding
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2396
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2848
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2848 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2604
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\fig580F.bat"
    3⤵
    PID:300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 140
    3⤵
    - Program crash
    PID:2208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ea8e175ac0a7a6b470e3946f6e7ae75d

SHA1
99f7038c572677b7ce2c8af46e05928f6423311f

SHA256
2faa569880b780418399be797a93b70a3c53ad7ca6f273515085779efeff25a2

SHA512
a8a9b6cefd52a32683dd4adf930d7d39298bb8003ba4da498adb4d91962c295f17f8c1fa4ed6dfaeffad0290abe1f09941adddacce439d871f29cf815ef0b607

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
83cb755dc0c57519d4b1ba7e03499837

SHA1
272baee928fa8d73b7a2b420e4c8c4514d201345

SHA256
f889e469c7bf87ca0dacdb4d93ce812c3a6412baf1b28fb7d7ac0c8b83833423

SHA512
5602af678f30399ab39abfdb8f750b545986c9bd3acc0d5964fcdc0d915731418803521730e552917ba140e012a6008866fa805a418b7469b5dd6d301e117ac7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
3a9cd3d8f56639efc07de8d0988a83f1

SHA1
d381fa98b4344b01bc3d90b91acc8c68eab04f72

SHA256
53c3f340491ae8121213c01db2e1d29617ae552b3e6d4a9e55d1a664dd1d79cc

SHA512
8758a35f11eedd9d8ed89b59f5119f3cd37017c5e200a137394a87f238d8ffc4e1a9e8fe879b956068ff80164cc6a2917e48f1cd0e618a96264fe3338b88114e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6173.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6212.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\fig580F.bat

Filesize
188B

MD5
9d19473bde8f563a4f485a43d1abbd53

SHA1
979b594c01890d30bc75b2765547b4eb4c38fb55

SHA256
de095e71896611d324ad2070483e3a591259bb2ccf4425921c9dc01fd0ee821d

SHA512
d6de9486b6383224727b67129c025594524ed4a69b494648532d46c20ab0e1c7c6d8ad831e20b219fe106cb8ddb85448e8433652bb1a6d195fb28c610ba5f81a

Download Submit
\Users\Admin\AppData\Local\Temp\fig580F.tmp

Filesize
39KB

MD5
266b0eb83dde2f8121a7e0b26e3014b7

SHA1
e9af9e74322baa87198c10dd5cd2c671cd976742

SHA256
85810cf5d4b07c1cc7904843ec7a128653813ad07c936291b9ef7afe0bc6575e

SHA512
468401c7ef8e8025bdb1ec025fe0e43e861f6795f72d83e29fa4c9b8795c6b01508daa4410d28f2e32a588e46f71f67492dba9b7ebe707004c0288227788e2a5

Download Submit
memory/1224-22-0x000000007FFF0000-0x000000007FFF6000-memory.dmp

Filesize
24KB

Download
memory/1224-25-0x000000007FFF0000-0x000000007FFF6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads