blackmoon | aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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
behavioral1/memory/2716-31-0x0000000000400000-0x0000000000669000-memory.dmp	family_blackmoon
behavioral1/memory/2716-33-0x0000000000400000-0x0000000000669000-memory.dmp	family_blackmoon

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x00070000000120fb-10.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2780	fFKnEz.exe

Loads dropped DLL 2 IoCs

pid	Process
2716	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe
2716	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2716-0-0x0000000000400000-0x0000000000669000-memory.dmp	upx
behavioral1/memory/2716-31-0x0000000000400000-0x0000000000669000-memory.dmp	upx
behavioral1/memory/2716-33-0x0000000000400000-0x0000000000669000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	fFKnEz.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	fFKnEz.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.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)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	fFKnEz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	fFKnEz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.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
2716	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2780	2716	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe	30
PID 2716 wrote to memory of 2780	2716	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe	30
PID 2716 wrote to memory of 2780	2716	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe	30
PID 2716 wrote to memory of 2780	2716	aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe	30
PID 2780 wrote to memory of 2640	2780	fFKnEz.exe	32
PID 2780 wrote to memory of 2640	2780	fFKnEz.exe	32
PID 2780 wrote to memory of 2640	2780	fFKnEz.exe	32
PID 2780 wrote to memory of 2640	2780	fFKnEz.exe	32

C:\Users\Admin\AppData\Local\Temp\aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe
"C:\Users\Admin\AppData\Local\Temp\aef4b3af74049742715f49a35d2dae9ee9b478e813a9ecaaa59f99dc43799173.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\fFKnEz.exe
  C:\Users\Admin\AppData\Local\Temp\fFKnEz.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1f15263f.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1f15263f.bat

Filesize
187B

MD5
c833364882a50ff7b9cccb8f7d514f85

SHA1
26d06cd444adf807ac5a3e4656727b1e7a17b00e

SHA256
034b5a7b2bc326fb06a4c3e7c0a21a52c86989f7ad3650dfc50443ba6621aac9

SHA512
4b3906f604bd7569896e6317bba0595d2cdf8bfac0ad84f245ddde273983bfa0c816fd675d591674c7844049ddf3c320f6a8cdff970ee4d5016ffcd89ad9df93

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2716-0-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2716-9-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2716-4-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2716-31-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2716-33-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2780-29-0x0000000000950000-0x0000000000959000-memory.dmp

Filesize
36KB

Download