5134a9e74f3bb914628aa1bfb42847cf880612ed38ea080ead0bd1b4a8e39a53

General

Target

0045af89dc768e53dfbe91ce2580b2dc.exe
Size

45KB
MD5

0045af89dc768e53dfbe91ce2580b2dc
SHA1

6ccf402e3a33730c913ca8b9366e4e663df0500b
SHA256

5134a9e74f3bb914628aa1bfb42847cf880612ed38ea080ead0bd1b4a8e39a53
SHA512

5b1c11b810e384b78396f629a2d395231f3f5ae230bc2ed41c8a9be0dfad2a62301067148c64f305518659ea8501b700c13501719cf215345106134a7350400a
SSDEEP

768:c3Y3v3t3E3dgdbV7zOjy16fggB1+2fKZmcL/MywOlS51rBFtFRutcN4XSLQmLUt:c3Y3v3t3E3AMy1jgy3ocLfYvbuyaX6QB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2548	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1940	0045af89dc768e53dfbe91ce2580b2dc.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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winklt32.rom,NzKRun"	0045af89dc768e53dfbe91ce2580b2dc.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winklt32.rom	0045af89dc768e53dfbe91ce2580b2dc.exe
File opened for modification	C:\Windows\SysWOW64\winklt32.rom	0045af89dc768e53dfbe91ce2580b2dc.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8A9A1FA1-A9D6-11EE-8A38-D6882E0F4692} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410406825"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2788	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2788	iexplore.exe
2788	iexplore.exe
2784	IEXPLORE.EXE
2784	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2272	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	28
PID 1940 wrote to memory of 2272	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	28
PID 1940 wrote to memory of 2272	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	28
PID 1940 wrote to memory of 2272	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	28
PID 2272 wrote to memory of 2788	2272	cmd.exe	30
PID 2272 wrote to memory of 2788	2272	cmd.exe	30
PID 2272 wrote to memory of 2788	2272	cmd.exe	30
PID 2272 wrote to memory of 2788	2272	cmd.exe	30
PID 2788 wrote to memory of 2784	2788	iexplore.exe	31
PID 2788 wrote to memory of 2784	2788	iexplore.exe	31
PID 2788 wrote to memory of 2784	2788	iexplore.exe	31
PID 2788 wrote to memory of 2784	2788	iexplore.exe	31
PID 1940 wrote to memory of 2788	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	30
PID 1940 wrote to memory of 2788	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	30
PID 1940 wrote to memory of 2696	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	32
PID 1940 wrote to memory of 2696	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	32
PID 1940 wrote to memory of 2696	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	32
PID 1940 wrote to memory of 2696	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	32
PID 1940 wrote to memory of 2548	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	34
PID 1940 wrote to memory of 2548	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	34
PID 1940 wrote to memory of 2548	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	34
PID 1940 wrote to memory of 2548	1940	0045af89dc768e53dfbe91ce2580b2dc.exe	34

C:\Users\Admin\AppData\Local\Temp\0045af89dc768e53dfbe91ce2580b2dc.exe
"C:\Users\Admin\AppData\Local\Temp\0045af89dc768e53dfbe91ce2580b2dc.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start iexplore -embedding
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2788 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2784
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\twe91A5.bat"
  2⤵
  PID:2696
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\0045af89dc768e53dfbe91ce2580b2dc.bat"
  2⤵
  - Deletes itself
  PID:2548

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\Local\Temp\0045af89dc768e53dfbe91ce2580b2dc.bat

Filesize
263B

MD5
8403e8ad1cd1857281251ccf371c7b29

SHA1
60442cf8e9456038caefe9c938d780dad1548940

SHA256
3b008fc20c1389edfd1c1d4af580bf140a7bcd175c38057f9ebcdc1a17b3cccd

SHA512
360e271f1b1ab260ddcb06167b885cc99d2643cd4cd6e99b94760a1701898f69c0fdbd3c64b11630f12c110ca83197847dc9d8ec91a36fa23410f8d403f601c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabA121.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA144.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\twe91A5.bat

Filesize
188B

MD5
25c949bac3e30361d870be12a555ccb6

SHA1
386d1f49f1bf19fea4294c8712b051a9d7510c11

SHA256
f331049bb8bd2c207d526f0e1fca583bf7321806fbb1d9a96c1794befc115bc2

SHA512
12011cde65e90d5240df9326666328b5dfde4ddb1130d2153e6de2bc0c1a7fe63b3741995769c3b5436da7487b8319755030ba833b0a18aaad0d08228dd239f5

Download Submit
\Users\Admin\AppData\Local\Temp\twe91A5.tmp

Filesize
32KB

MD5
b27c4843d6e712c2b7284c92b3f0172a

SHA1
ccefc0653e9a5530cfd4e49eb075a108f39f3aa5

SHA256
8ba55320783e1e22d889d467e4058d1ab01890750b40262a8475239f2556d6c6

SHA512
464d6a952dba9ffb0d6aa766dc02adc6898728dab18036c479c44ad918d1174b3eb6d6784aa8cb78e9c548df3cd7d50769a3e6cfacc4e5bcebfb42ca5d006969

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads