2a6987c08b3f5aa3dd595fc684af68222accf71d5acd332623e830bd7657011f

General

Target

5936c25c_by_Libranalysis.exe
Size

107KB
MD5

5936c25cca9017437d5cb9b6d0fa0cbe
SHA1

225db09e02d2b16cfb0b5a1b2b7d4f6d9848d809
SHA256

2a6987c08b3f5aa3dd595fc684af68222accf71d5acd332623e830bd7657011f
SHA512

34a4e9555390d61be6fbe8f52862cfef979431b5b98535595b6f5e6341f19eb060e024fcf408b81138c99a63739eda7411a80b2adee00ed5352ef1944ab27775

Score

8^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

adFuvY.exe

pid process

1916 adFuvY.exe

pid	process
1916	adFuvY.exe

Drops file in Program Files directory 64 IoCs

Processes:

adFuvY.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\javaws.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	adFuvY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	adFuvY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Maps.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\ktab.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javac.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jstack.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\orbd.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\schemagen.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\kinit.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	adFuvY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\java-rmi.exe	adFuvY.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	adFuvY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\WinStore.App.exe	adFuvY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.14.2002.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	adFuvY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	adFuvY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	adFuvY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\keytool.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\rmiregistry.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jmc.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jstatd.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\kinit.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\unpack200.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\java-rmi.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	adFuvY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	adFuvY.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\pack200.exe	adFuvY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\keytool.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	adFuvY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.15.2003.0_x64__8wekyb3d8bbwe\GameBar.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\klist.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jabswitch.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\rmid.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\java-rmi.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\ktab.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ssvagent.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	adFuvY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_1.4.101.0_x64__8wekyb3d8bbwe\Microsoft.StickyNotes.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\policytool.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\rmid.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	adFuvY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	adFuvY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\rmid.exe	adFuvY.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\jjs.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	adFuvY.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	adFuvY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.OneConnect_2.1701.277.0_x64__8wekyb3d8bbwe\OneConnect.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jdb.exe	adFuvY.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jp2launcher.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	adFuvY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	adFuvY.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 6 IoCs

Processes:

5936c25c_by_Libranalysis.exeadFuvY.exe

description	pid	process	target process
PID 4032 wrote to memory of 1916	4032	5936c25c_by_Libranalysis.exe	adFuvY.exe
PID 4032 wrote to memory of 1916	4032	5936c25c_by_Libranalysis.exe	adFuvY.exe
PID 4032 wrote to memory of 1916	4032	5936c25c_by_Libranalysis.exe	adFuvY.exe
PID 1916 wrote to memory of 3196	1916	adFuvY.exe	cmd.exe
PID 1916 wrote to memory of 3196	1916	adFuvY.exe	cmd.exe
PID 1916 wrote to memory of 3196	1916	adFuvY.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\5936c25c_by_Libranalysis.exe
"C:\Users\Admin\AppData\Local\Temp\5936c25c_by_Libranalysis.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4032

C:\Users\Admin\AppData\Local\Temp\adFuvY.exe
C:\Users\Admin\AppData\Local\Temp\adFuvY.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\76675acb.bat" "
3⤵
PID:3196

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\76675acb.bat
MD5
d9c8b017cba9bfb94b29d1f52819547a

SHA1
8dc067fca3cb8caa57ad707027f091b9a67feaf1

SHA256
19e6acbfae9ab82ed5ed9ad1fe11071b7fc87e6a45012a875111336fbb4a26bd

SHA512
39111a2d829f89fd075b3fc02d8f1668d0257a350d58f326e19ff73f34b242277d72d3a08e008c132e64dca3a5df7700fdf7a35d7a5515a6c3d3821213d28d05

Download Submit
C:\Users\Admin\AppData\Local\Temp\adFuvY.exe
MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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C:\Users\Admin\AppData\Local\Temp\adFuvY.exe
MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1916-114-0x0000000000000000-mapping.dmp

Download
memory/3196-117-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads