1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1

General

Target

1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe
Size

31KB
MD5

9d8383a43f08f41fefb1b24a7a872aa4
SHA1

04133f5b737c9d017755fda7bf9adff80b7d57a5
SHA256

1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1
SHA512

8367b876a3ede613345abf361ed6c369f35bd7d506f1e79765ec327fe084e59c850bb8258e01ee0081fc82cc3961dd4d3eba9e080dece7f257e94b9fce445c14
SSDEEP

768:gOaHYlZQQ4BeUySXCQGPL4vzZq2o9W7GsxBbPr:4qZqBeUySXxGCq2iW7z

Score

7^/10

aspackv2 bootkit discovery persistence

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\DTGdMk.exe	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

Processes:

DTGdMk.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation DTGdMk.exe
Executes dropped EXE 1 IoCs

Processes:

DTGdMk.exe

pid process

1772 DTGdMk.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe

description ioc process

File opened for modification \??\PhysicalDrive0 1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	DTGdMk.exe

pid	process
1772	DTGdMk.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe

Drops file in Program Files directory 64 IoCs

Processes:

DTGdMk.exe

description	ioc	process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	DTGdMk.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	DTGdMk.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_pwa_launcher.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	DTGdMk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	DTGdMk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	DTGdMk.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	DTGdMk.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	DTGdMk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	DTGdMk.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	DTGdMk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	DTGdMk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	DTGdMk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	DTGdMk.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	DTGdMk.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	DTGdMk.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1164 3680 WerFault.exe 1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe

pid	pid_target	process	target process
1164	3680	WerFault.exe	1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

cmd.exe1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exeDTGdMk.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DTGdMk.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exeDTGdMk.exe

description	pid	process	target process
PID 3680 wrote to memory of 1772	3680	1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe	DTGdMk.exe
PID 3680 wrote to memory of 1772	3680	1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe	DTGdMk.exe
PID 3680 wrote to memory of 1772	3680	1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe	DTGdMk.exe
PID 1772 wrote to memory of 5076	1772	DTGdMk.exe	cmd.exe
PID 1772 wrote to memory of 5076	1772	DTGdMk.exe	cmd.exe
PID 1772 wrote to memory of 5076	1772	DTGdMk.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe
"C:\Users\Admin\AppData\Local\Temp\1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3680

C:\Users\Admin\AppData\Local\Temp\DTGdMk.exe
C:\Users\Admin\AppData\Local\Temp\DTGdMk.exe
2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\264517b3.bat" "
3⤵
- System Location Discovery: System Language Discovery
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 236
2⤵
- Program crash
PID:1164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3680 -ip 3680
1⤵
PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MQYRE6E5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\264517b3.bat

Filesize
187B

MD5
0798b7268572acc9e01ae637b70a16ab

SHA1
898b5dd96567f622d5477b5493d88b02d26a14b3

SHA256
09f24d6e357e375ecb7d31590e965a6d0fb807afda2383197aafcbc4bba3c628

SHA512
3eb1c06ea57df4522d9b5fc4ed51f588916b7650ced6d49c93a7ecfbad4c7508fe22a5bef3d6ba79468f53ba03fb588326924d39c54764f1832c1e132602c867

Download Submit
C:\Users\Admin\AppData\Local\Temp\354A4D3C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/1772-5-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/1772-47-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/3680-0-0x0000000000D90000-0x0000000000D9D000-memory.dmp

Filesize
52KB

Download
memory/3680-7-0x0000000000D90000-0x0000000000D9D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads