5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 04:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe
Size

80KB
MD5

66812f41b2b9653051f2e8fdba4888e0
SHA1

9f208e4dcb64df19ea6a5d8288066f6beb7ed9ae
SHA256

5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a
SHA512

f4e1f9351afde6584231050e7069d3b3c4a47d243b96d50f4a37724a31fa98e07dbdfaebfe19497203c2ae8950b840ddfbb93a0ee39fc9ff52cb2763f235e28d
SSDEEP

1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZtrGCq2iW7z:fhAWJGSCTBf12Z1GCH

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/0x0008000000005c51-55.dat	aspack_v212_v242
behavioral1/files/0x0008000000005c51-57.dat	aspack_v212_v242
behavioral1/files/0x0008000000005c51-54.dat	aspack_v212_v242
behavioral1/files/0x0008000000005c51-59.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
840	riaFcv.exe

Loads dropped DLL 2 IoCs

pid	Process
1376	5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe
1376	5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	riaFcv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	riaFcv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdate.exe	riaFcv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	riaFcv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateSetup.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	riaFcv.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{5FF82FCB-66EC-4D84-9E60-60D03C1CDEBC}\chrome_installer.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	riaFcv.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	riaFcv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_pwa_launcher.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	riaFcv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	riaFcv.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	riaFcv.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	riaFcv.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	riaFcv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	riaFcv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateComRegisterShell64.exe	riaFcv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	riaFcv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	riaFcv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	riaFcv.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 8 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 840	1376	5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe	26
PID 1376 wrote to memory of 840	1376	5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe	26
PID 1376 wrote to memory of 840	1376	5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe	26
PID 1376 wrote to memory of 840	1376	5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe	26
PID 840 wrote to memory of 1464	840	riaFcv.exe	29
PID 840 wrote to memory of 1464	840	riaFcv.exe	29
PID 840 wrote to memory of 1464	840	riaFcv.exe	29
PID 840 wrote to memory of 1464	840	riaFcv.exe	29

C:\Users\Admin\AppData\Local\Temp\5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe
"C:\Users\Admin\AppData\Local\Temp\5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\riaFcv.exe
  C:\Users\Admin\AppData\Local\Temp\riaFcv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:840
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\60d55470.bat" "
    3⤵
    PID:1464

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\60d55470.bat

Filesize
187B

MD5
11dafe36892ae04c31d32cbe33e3158a

SHA1
7a7832484a3e083caf07a24cd92f7b3bff7f724a

SHA256
fb03c716b4396af8ed6d35c4ff0e19c0df17163843966815235bb0887fe95196

SHA512
151f856f50a612e232c7a9c5853613e5a1318403b6edc9209385f95afe8b08ae41c061a6aff9d0434332947bd959971ed749e995ba31e6d0d93d69ba821b7a7e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/840-64-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download
memory/840-58-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/840-62-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download
memory/1376-60-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1376-61-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1376-66-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download