1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a

General

Target

1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe
Size

52KB
MD5

017dc4ca721b009fc192e818168776fd
SHA1

61a982bbc9dd517badcbc1dbcfff49761fcb5190
SHA256

1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a
SHA512

f15907d9013c93495c6414e63c73455515aa7345afbc52db821855d5ea9c1d0aad9994234e9364d9ae8a737265cf4bc2b197b6cf84bb8ad907b9ee4afbce9ca5

Score

8^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 7 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\RbuXxy.exe	aspack_v212_v242
\Users\Admin\AppData\Local\Temp\RbuXxy.exe	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\RbuXxy.exe	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\RbuXxy.exe	aspack_v212_v242
\Users\Admin\AppData\Local\Temp\RbuXxy.exe	aspack_v212_v242
\Users\Admin\AppData\Local\Temp\RbuXxy.exe	aspack_v212_v242
\Users\Admin\AppData\Local\Temp\RbuXxy.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

RbuXxy.exe

pid process

908 RbuXxy.exe

pid	process
908	RbuXxy.exe

Loads dropped DLL 5 IoCs

Processes:

1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exeRbuXxy.exe

pid	process
1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe
1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe
908	RbuXxy.exe
908	RbuXxy.exe
908	RbuXxy.exe

Drops file in Program Files directory 64 IoCs

Processes:

RbuXxy.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	RbuXxy.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	RbuXxy.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\89.0.4389.114\chrome_installer.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	RbuXxy.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateCore.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	RbuXxy.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateSetup.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	RbuXxy.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	RbuXxy.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	RbuXxy.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	RbuXxy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	RbuXxy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	RbuXxy.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exeRbuXxy.exe

description	pid	process	target process
PID 1280 wrote to memory of 908	1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe	RbuXxy.exe
PID 1280 wrote to memory of 908	1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe	RbuXxy.exe
PID 1280 wrote to memory of 908	1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe	RbuXxy.exe
PID 1280 wrote to memory of 908	1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe	RbuXxy.exe
PID 1280 wrote to memory of 908	1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe	RbuXxy.exe
PID 1280 wrote to memory of 908	1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe	RbuXxy.exe
PID 1280 wrote to memory of 908	1280	1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe	RbuXxy.exe
PID 908 wrote to memory of 1664	908	RbuXxy.exe	cmd.exe
PID 908 wrote to memory of 1664	908	RbuXxy.exe	cmd.exe
PID 908 wrote to memory of 1664	908	RbuXxy.exe	cmd.exe
PID 908 wrote to memory of 1664	908	RbuXxy.exe	cmd.exe
PID 908 wrote to memory of 1664	908	RbuXxy.exe	cmd.exe
PID 908 wrote to memory of 1664	908	RbuXxy.exe	cmd.exe
PID 908 wrote to memory of 1664	908	RbuXxy.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe
"C:\Users\Admin\AppData\Local\Temp\1ac73d515c89d782e889ea9ba68f0b0eb3a80fb15247ecc81841613d8a057e7a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280

C:\Users\Admin\AppData\Local\Temp\RbuXxy.exe
C:\Users\Admin\AppData\Local\Temp\RbuXxy.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\4a254e91.bat" "
3⤵
PID:1664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4a254e91.bat
Filesize
187B

MD5
66cf777a6a543383ba39307aa1dc54d1

SHA1
9df5e913c9cb72207ff7eb87ac7556d749152a4e

SHA256
b55e4acc172ecd689d8a3c30223c32874e75e2351ce8c8241af0f1d5f24cb01e

SHA512
b62e223a1200e5073a5d0260149d4dc937b2c2e343c676de338f09a496fb95fb711f62f735bf7fba773ce7f23d3b3bea5e5765e87f5c1beffa3e46dc8f8882d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RbuXxy.exe
Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RbuXxy.exe
Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\RbuXxy.exe
Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\RbuXxy.exe
Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\RbuXxy.exe
Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\RbuXxy.exe
Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\RbuXxy.exe
Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/908-65-0x0000000001180000-0x0000000001189000-memory.dmp

Filesize
36KB

Download
memory/908-66-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/908-67-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/908-69-0x0000000001180000-0x0000000001189000-memory.dmp

Filesize
36KB

Download
memory/908-57-0x0000000000000000-mapping.dmp

Download
memory/1280-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1280-64-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1664-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads