5134a9e74f3bb914628aa1bfb42847cf880612ed38ea080ead0bd1b4a8e39a53

Analysis

max time kernel
176s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 18:19

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General

Target

0045af89dc768e53dfbe91ce2580b2dc.exe
Size

45KB
MD5

0045af89dc768e53dfbe91ce2580b2dc
SHA1

6ccf402e3a33730c913ca8b9366e4e663df0500b
SHA256

5134a9e74f3bb914628aa1bfb42847cf880612ed38ea080ead0bd1b4a8e39a53
SHA512

5b1c11b810e384b78396f629a2d395231f3f5ae230bc2ed41c8a9be0dfad2a62301067148c64f305518659ea8501b700c13501719cf215345106134a7350400a
SSDEEP

768:c3Y3v3t3E3dgdbV7zOjy16fggB1+2fKZmcL/MywOlS51rBFtFRutcN4XSLQmLUt:c3Y3v3t3E3AMy1jgy3ocLfYvbuyaX6QB

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
3356	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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe wininp32.rom,NzKRun"	0045af89dc768e53dfbe91ce2580b2dc.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wininp32.rom	0045af89dc768e53dfbe91ce2580b2dc.exe
File opened for modification	C:\Windows\SysWOW64\wininp32.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 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079907"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079907"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C2015E0C-A9D6-11EE-B6AD-76CF25FE979C} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2692963707"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411010026"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2407182715"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079907"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2406557209"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2292	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2292	iexplore.exe
2292	iexplore.exe
3684	IEXPLORE.EXE
3684	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 4436	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	94
PID 3356 wrote to memory of 4436	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	94
PID 3356 wrote to memory of 4436	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	94
PID 3356 wrote to memory of 1664	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	96
PID 3356 wrote to memory of 1664	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	96
PID 3356 wrote to memory of 1664	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	96
PID 3356 wrote to memory of 4380	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	97
PID 3356 wrote to memory of 4380	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	97
PID 3356 wrote to memory of 4380	3356	0045af89dc768e53dfbe91ce2580b2dc.exe	97
PID 4436 wrote to memory of 2292	4436	cmd.exe	100
PID 4436 wrote to memory of 2292	4436	cmd.exe	100
PID 2292 wrote to memory of 3684	2292	iexplore.exe	105
PID 2292 wrote to memory of 3684	2292	iexplore.exe	105
PID 2292 wrote to memory of 3684	2292	iexplore.exe	105

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:3356
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start iexplore -embedding
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4436
- - 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:2292
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2292 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3684
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\twe39E7.bat"
  2⤵
  PID:1664
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\0045af89dc768e53dfbe91ce2580b2dc.bat"
  2⤵
  PID:4380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\L3T8W3B4\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\0045af89dc768e53dfbe91ce2580b2dc.bat

Filesize
263B

MD5
8403e8ad1cd1857281251ccf371c7b29

SHA1
60442cf8e9456038caefe9c938d780dad1548940

SHA256
3b008fc20c1389edfd1c1d4af580bf140a7bcd175c38057f9ebcdc1a17b3cccd

SHA512
360e271f1b1ab260ddcb06167b885cc99d2643cd4cd6e99b94760a1701898f69c0fdbd3c64b11630f12c110ca83197847dc9d8ec91a36fa23410f8d403f601c3

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C:\Users\Admin\AppData\Local\Temp\twe39E7.bat

Filesize
188B

MD5
ffa8f602f764470f7a06ceb91aa43eee

SHA1
b10d5f72521bf38b5579230e4f22d6a1cab4b482

SHA256
8fd8524ff2a19c998b32dc8ab76972f97884047774b462290fe27cbda7694c8f

SHA512
fec8a7a2490082550c4138844217bb8e989d7f2a2c0daa33e4a5c45924526b55df19ff0542d112e4d632b7ec5a957c17d1593fdf35945409782ab1f3f7206c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\twe39E7.tmp

Filesize
32KB

MD5
b27c4843d6e712c2b7284c92b3f0172a

SHA1
ccefc0653e9a5530cfd4e49eb075a108f39f3aa5

SHA256
8ba55320783e1e22d889d467e4058d1ab01890750b40262a8475239f2556d6c6

SHA512
464d6a952dba9ffb0d6aa766dc02adc6898728dab18036c479c44ad918d1174b3eb6d6784aa8cb78e9c548df3cd7d50769a3e6cfacc4e5bcebfb42ca5d006969

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads