blackmoon | aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-08-2024 06:48

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General

Target

aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe
Size

604KB
MD5

6fc865494ea46ecfb9a4482e0c072f35
SHA1

e5900d001331bb5069e184e65b8ecf22df8151db
SHA256

aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173
SHA512

48695cdc03ff7383df43d726137e3495d9a3671348c4ed7229716e74328ecf7267087192f12afd124014f4bbc922bfb17c81dc12853b98d6649e4814d747c880
SSDEEP

12288:AiHVHaAdSTC6/y3d4FZpYRNe//ypJ0pAiRsTJS/JZvzE61YdqBpHay769uFl6qd3:AiHgqQC6/GijpYRNe//ynRJejrE6VP6Z

Score

10^/10

blackmoon aspackv2 banker discovery trojan upx

Malware Config

Signatures

Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 2 IoCs

resource	yara_rule
behavioral2/memory/3856-21-0x0000000000400000-0x0000000000669000-memory.dmp	family_blackmoon
behavioral2/memory/3856-43-0x0000000000400000-0x0000000000669000-memory.dmp	family_blackmoon

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0009000000023442-3.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	fFKnEz.exe

Executes dropped EXE 1 IoCs

pid	Process
2164	fFKnEz.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3856-0-0x0000000000400000-0x0000000000669000-memory.dmp	upx
behavioral2/memory/3856-21-0x0000000000400000-0x0000000000669000-memory.dmp	upx
behavioral2/memory/3856-43-0x0000000000400000-0x0000000000669000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fFKnEz.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	fFKnEz.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	fFKnEz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fFKnEz.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	fFKnEz.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	fFKnEz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	fFKnEz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	fFKnEz.exe

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

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fFKnEz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3856	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3856 wrote to memory of 2164	3856	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe	83
PID 3856 wrote to memory of 2164	3856	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe	83
PID 3856 wrote to memory of 2164	3856	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe	83
PID 2164 wrote to memory of 2212	2164	fFKnEz.exe	87
PID 2164 wrote to memory of 2212	2164	fFKnEz.exe	87
PID 2164 wrote to memory of 2212	2164	fFKnEz.exe	87

C:\Users\Admin\AppData\Local\Temp\aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe
"C:\Users\Admin\AppData\Local\Temp\aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Users\Admin\AppData\Local\Temp\fFKnEz.exe
  C:\Users\Admin\AppData\Local\Temp\fFKnEz.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:2164
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0d437aeb.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2212

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

System Location Discovery

T1614

System Language Discovery

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\WLXU5DI6\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0d437aeb.bat

Filesize
187B

MD5
d0dcbd8895fb8718112d9b9c14ece9b0

SHA1
a18b438a4329d74b7b9000bd5d9bbbdb419e623b

SHA256
a58c13fbeeff552ae31ac9e31a79b488f46c10a6370326da06f9643f43382ee5

SHA512
337118b40993cbca32d64e75080703e08a580da7e61bcab5ef42a7d3b07295f87004a3351b1cf2c15dcabb78f0cb334865792c1c1f2ff138eb27b9a328a2b811

Download Submit
C:\Users\Admin\AppData\Local\Temp\20ED4D61.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2164-5-0x00000000002B0000-0x00000000002B9000-memory.dmp

Filesize
36KB

Download
memory/2164-22-0x00000000002B0000-0x00000000002B9000-memory.dmp

Filesize
36KB

Download
memory/3856-0-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/3856-21-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/3856-43-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download