7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea

Analysis

max time kernel
48s
max time network
55s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 22:54

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General

Target

7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe
Size

583KB
MD5

9074d929951809bc497f37a5ee049fdd
SHA1

dd42c5a6621e11b74c6c0352759596386ed40a9e
SHA256

7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea
SHA512

7ad0bd53263d5d26e28dac163f96a56398027a723401861ceb14e139017c429f727ea63314987ea38de32e847a7ad598dc837ade09eb4aaa4f7bab3ed6b23a44
SSDEEP

12288:ZgCYxPVQ1KRLLIyDASbumfbKFsdrojwSzunLEjzaQ/K1V+qr:ZgCYQ1LGum4sx8Kofd/uV+w

Score

8^/10

aspackv2 upx

Malware Config

Signatures

ASPack v2.12-2.42 4 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000c0000000054a8-55.dat	aspack_v212_v242
behavioral1/files/0x000c0000000054a8-56.dat	aspack_v212_v242
behavioral1/files/0x000c0000000054a8-58.dat	aspack_v212_v242
behavioral1/files/0x000c0000000054a8-60.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1124	Vkifx.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1072-61-0x0000000000400000-0x0000000000586000-memory.dmp	upx
behavioral1/memory/1072-65-0x0000000000400000-0x0000000000586000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1072	7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe
1072	7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	Vkifx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	Vkifx.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	Vkifx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	Vkifx.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	Vkifx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	Vkifx.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	Vkifx.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	Vkifx.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateSetup.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	Vkifx.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	Vkifx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	Vkifx.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	Vkifx.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	Vkifx.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	Vkifx.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateBroker.exe	Vkifx.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	Vkifx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	Vkifx.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	Vkifx.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	Vkifx.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 SetWindowsHookEx 1 IoCs

pid	Process
1072	7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 1124	1072	7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe	27
PID 1072 wrote to memory of 1124	1072	7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe	27
PID 1072 wrote to memory of 1124	1072	7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe	27
PID 1072 wrote to memory of 1124	1072	7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe	27
PID 1124 wrote to memory of 280	1124	Vkifx.exe	30
PID 1124 wrote to memory of 280	1124	Vkifx.exe	30
PID 1124 wrote to memory of 280	1124	Vkifx.exe	30
PID 1124 wrote to memory of 280	1124	Vkifx.exe	30

C:\Users\Admin\AppData\Local\Temp\7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe
"C:\Users\Admin\AppData\Local\Temp\7d7e243758420b8d35c6b2531d45a70ee15d10f0925b8095ddb7fb02d71c4bea.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Users\Admin\AppData\Local\Temp\Vkifx.exe
  C:\Users\Admin\AppData\Local\Temp\Vkifx.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\6e721549.bat" "
    3⤵
    PID:280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\6e721549.bat

Filesize
185B

MD5
6c74dc22fc6e777230eb1950bf032cbd

SHA1
a84c1a7f9ba142fd711ca5d2455d611b13acd85c

SHA256
d8037798f57b91c3ac4976b2baf96987c7160ae4f0b8d4e54ad6715b2c8c1565

SHA512
5aadd49d3e342bba311b2d92dc02445e6e7a3aea29edbea09dfd33fa58c06c85bc18067576e1cde4009a3d3106bad0ce45eecc2e2f6e2063f9ee221b30b8915b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\Vkifx.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\Vkifx.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1072-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1072-61-0x0000000000400000-0x0000000000586000-memory.dmp

Filesize
1.5MB

Download
memory/1072-63-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/1072-62-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/1072-65-0x0000000000400000-0x0000000000586000-memory.dmp

Filesize
1.5MB

Download
memory/1124-67-0x0000000000E80000-0x0000000000E89000-memory.dmp

Filesize
36KB

Download
memory/1124-64-0x0000000000E80000-0x0000000000E89000-memory.dmp

Filesize
36KB

Download