1fcad26d2165a0c8d289af8ee3246ee0253d583aa3e5e877e9ee16c9ff732312

Analysis

max time kernel
66s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
30/04/2024, 03:51

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General

Target

2024-04-30_f6091790caec3b3225997d6be07aa16d_bkransomware_karagany_wapomi.exe
Size

100KB
MD5

f6091790caec3b3225997d6be07aa16d
SHA1

97726a02c7051ab68ff44e97dd061988e706a5e9
SHA256

1fcad26d2165a0c8d289af8ee3246ee0253d583aa3e5e877e9ee16c9ff732312
SHA512

4bbae8bcd64b03d26ecc4762e689daa2bd09530fab86008b31a2607f939e95b23d0c9c32f0cc551cab5d4381d14f763dadb8a40790ad7ae94dc5443b85ed529a
SSDEEP

1536:62RJ8zIfEMBreBSoeKcTZV5MuzcekgksWjcdKa9PGCq2iW7z/:62RcQSlNACW3LKKGCHr

Score

9^/10

aspackv2

Malware Config

Signatures

Detects executables packed with ASPack 3 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023bb2-3.dat	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/4572-6-0x0000000000670000-0x0000000000679000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/4572-8-0x0000000000670000-0x0000000000679000-memory.dmp	INDICATOR_EXE_Packed_ASPack

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000b000000023bb2-3.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-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	audOBm.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	audOBm.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	audOBm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	audOBm.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	audOBm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	audOBm.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	audOBm.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	audOBm.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	audOBm.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	audOBm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	audOBm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	audOBm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	audOBm.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	audOBm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	audOBm.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 4572	2856	2024-04-30_f6091790caec3b3225997d6be07aa16d_bkransomware_karagany_wapomi.exe	86
PID 2856 wrote to memory of 4572	2856	2024-04-30_f6091790caec3b3225997d6be07aa16d_bkransomware_karagany_wapomi.exe	86
PID 2856 wrote to memory of 4572	2856	2024-04-30_f6091790caec3b3225997d6be07aa16d_bkransomware_karagany_wapomi.exe	86
PID 4572 wrote to memory of 3852	4572	audOBm.exe	90
PID 4572 wrote to memory of 3852	4572	audOBm.exe	90
PID 4572 wrote to memory of 3852	4572	audOBm.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-04-30_f6091790caec3b3225997d6be07aa16d_bkransomware_karagany_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_f6091790caec3b3225997d6be07aa16d_bkransomware_karagany_wapomi.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\audOBm.exe
  C:\Users\Admin\AppData\Local\Temp\audOBm.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\386b6a17.bat" "
    3⤵
    PID:3852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Temp\386b6a17.bat

Filesize
187B

MD5
8911fdcb06d7991236367a87bd1a68ac

SHA1
ec46eff1fe320c800cd6a68269a22917e279a214

SHA256
67b5062b46ba281c4de7474bd47733fefdb26ed03bd77d8bfd7ccfc056ee9e7b

SHA512
7a6406577520106edc0d1cc0899fdc07750c488c646c0069cd50b20d8116b3a2afec723cba1978466fa056afe5b4d3b1ae35e94640ba30437a5be3eb5a50c696

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2856-0-0x0000000000930000-0x000000000094F000-memory.dmp

Filesize
124KB

Download
memory/2856-5-0x0000000000930000-0x000000000094F000-memory.dmp

Filesize
124KB

Download
memory/4572-6-0x0000000000670000-0x0000000000679000-memory.dmp

Filesize
36KB

Download
memory/4572-8-0x0000000000670000-0x0000000000679000-memory.dmp

Filesize
36KB

Download