8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
28/10/2022, 20:00

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General

Target

8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe
Size

352KB
MD5

006543effb858695f39ddc4522460500
SHA1

f412cd02efef2d83e774b13b13c4771a83f13e8d
SHA256

8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689
SHA512

9c0ba9ff79e059addf698b2e91a5f12855adc09a836c9e92fc4f564f4b55d57fd484f629d599e98f43c1ce3025147b0ee6372d815acbd3fa2f724607243a8cd6
SSDEEP

6144:FrvdwMXe0Ho9yCIqP2q+3MhWDIhuZ1qD70HWWWCWWW+/85/8LDg:Fjbez9yCI62lbgU/85/8L

Score

8^/10

aspackv2

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/0x000500000000b2d2-54.dat	aspack_v212_v242
behavioral1/files/0x000500000000b2d2-55.dat	aspack_v212_v242
behavioral1/files/0x000500000000b2d2-57.dat	aspack_v212_v242
behavioral1/files/0x000500000000b2d2-59.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1456	VUpNzsbl.exe

Loads dropped DLL 2 IoCs

pid	Process
1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe
1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\89.0.4389.114\chrome_installer.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	VUpNzsbl.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdate.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	VUpNzsbl.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	VUpNzsbl.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 3 IoCs

pid	Process
1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe
1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe
1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 1456	1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe	27
PID 1408 wrote to memory of 1456	1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe	27
PID 1408 wrote to memory of 1456	1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe	27
PID 1408 wrote to memory of 1456	1408	8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe	27
PID 1456 wrote to memory of 1640	1456	VUpNzsbl.exe	30
PID 1456 wrote to memory of 1640	1456	VUpNzsbl.exe	30
PID 1456 wrote to memory of 1640	1456	VUpNzsbl.exe	30
PID 1456 wrote to memory of 1640	1456	VUpNzsbl.exe	30

C:\Users\Admin\AppData\Local\Temp\8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe
"C:\Users\Admin\AppData\Local\Temp\8c79f64eb0802fac12f30aa53a832d06d0327304c9cd14005e1ab1e3e439b689.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\VUpNzsbl.exe
  C:\Users\Admin\AppData\Local\Temp\VUpNzsbl.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3b0333c7.bat" "
    3⤵
    PID:1640

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\3b0333c7.bat

Filesize
191B

MD5
296ab67fce1372bc2e54f2021e9e2f5b

SHA1
01cc3cffe9b92ee4dcbda03521518eaf5e79e008

SHA256
3b844e2d4a09a4a165227dba58b3a65014434dd7b983c5dd8bfc636395048d67

SHA512
5094ab90d56a5f7fa703cdfd74164246b7b73878bc9befa60fce2fc36849ed262f7000a3da42a589583aab77fb0ac7db7fb9d569cba47393ca79663110729243

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1408-60-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1456-58-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1456-61-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download
memory/1456-63-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download