220b1e22abee4dae3867f2acb86df0c5eb1e9d6af1ab243b5a5b2ee5bd4c7c18

Analysis

max time kernel
7s
max time network
9s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2023, 18:34

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General

Target

1ca05c09ee060dexeexeexeex.exe
Size

4.0MB
MD5

1ca05c09ee060d236f79714a5bfd984b
SHA1

6110f0bffb5e2d531b0d144343a9f8f879164872
SHA256

220b1e22abee4dae3867f2acb86df0c5eb1e9d6af1ab243b5a5b2ee5bd4c7c18
SHA512

f12bc1bf311d07194050050c251b82d9f146ed0dbe725c0ccf7f7cbdda77fbc6fce0314cf9c7c4e3a31e04d118cc7806c22b69b352925a73b0060a87ce9464b5
SSDEEP

98304:cUkwzz0R3DsEBHYw+7zh5FUTZGVfrPnLRbVPOyCLTEv:b30yjUTaXRbVPOHLTG

Score

7^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0008000000023229-136.dat	aspack_v212_v242
behavioral2/files/0x0008000000023229-137.dat	aspack_v212_v242

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-1-5-21-1420546310-613437930-2990200354-1000\Control Panel\International\Geo\Nation	oBlkDH.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	oBlkDH.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jdb.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\xjc.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\javacpl.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\tnameserv.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	oBlkDH.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\tnameserv.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	oBlkDH.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javaw.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\policytool.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	oBlkDH.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jinfo.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jvisualvm.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ssvagent.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\ssvagent.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\keytool.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{0A255938-3B68-439E-BA0B-751C68FDB41D}\chrome_installer.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jdeps.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jjs.exe	oBlkDH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jmap.exe	oBlkDH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	oBlkDH.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	oBlkDH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	oBlkDH.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
228	1ca05c09ee060dexeexeexeex.exe
228	1ca05c09ee060dexeexeexeex.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 2196	228	1ca05c09ee060dexeexeexeex.exe	79
PID 228 wrote to memory of 2196	228	1ca05c09ee060dexeexeexeex.exe	79
PID 228 wrote to memory of 2196	228	1ca05c09ee060dexeexeexeex.exe	79
PID 2196 wrote to memory of 3260	2196	oBlkDH.exe	80
PID 2196 wrote to memory of 3260	2196	oBlkDH.exe	80
PID 2196 wrote to memory of 3260	2196	oBlkDH.exe	80

C:\Users\Admin\AppData\Local\Temp\1ca05c09ee060dexeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\1ca05c09ee060dexeexeexeex.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:228
- C:\Users\Admin\AppData\Local\Temp\oBlkDH.exe
  C:\Users\Admin\AppData\Local\Temp\oBlkDH.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1b4f4c12.bat" "
    3⤵
    PID:3260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\42JDD8EA\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\04AC0748.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\1b4f4c12.bat

Filesize
187B

MD5
b934b67e63ea5d249279ec407cdf0833

SHA1
7eddd0bdce86ef1014bd020d98d223626970bfdb

SHA256
17c927b622cfd7a84a221369f7dde2876dc6b43470c7a3387996bad4e6faf8a8

SHA512
2083a5cc3d28abfc9edc21a71f0c4b7dc952c82149bb8623a5f648cb6df4defb7cc6a0e45ea328b19f9f4617e03aadedcbd901e208ff99965411b3a03aed822f

Download Submit
C:\Users\Admin\AppData\Local\Temp\oBlkDH.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\oBlkDH.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/228-133-0x0000000000400000-0x0000000000808000-memory.dmp

Filesize
4.0MB

Download
memory/228-180-0x0000000000400000-0x0000000000808000-memory.dmp

Filesize
4.0MB

Download
memory/2196-139-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/2196-178-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download