04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642

General

Target

04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe
Size

107KB
MD5

478d0ca191fd949db7e9455918f9b59c
SHA1

133cb64bad32e12dd43718462a058e7e030dbd4b
SHA256

04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642
SHA512

fd2a342d14369e0dd39d9adb5614aa516dd03468258e2e63e0bde4e7b26a06315ef84bebe342f64cd4df16922478a369722ccea7212da5704deb54485586a8e3

Score

8^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 4 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

bsuM.exe

pid process

1376 bsuM.exe

pid	process
1376	bsuM.exe

Loads dropped DLL 2 IoCs

Processes:

04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe

pid	process
1864	04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe
1864	04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe

Drops file in Program Files directory 64 IoCs

Processes:

bsuM.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	bsuM.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	bsuM.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	bsuM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	bsuM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	bsuM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	bsuM.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdateCore.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	bsuM.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdateBroker.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	bsuM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	bsuM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	bsuM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	bsuM.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	bsuM.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdate.exe	bsuM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	bsuM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	bsuM.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

Processes:

04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exebsuM.exe

description	pid	process	target process
PID 1864 wrote to memory of 1376	1864	04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe	bsuM.exe
PID 1864 wrote to memory of 1376	1864	04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe	bsuM.exe
PID 1864 wrote to memory of 1376	1864	04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe	bsuM.exe
PID 1864 wrote to memory of 1376	1864	04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe	bsuM.exe
PID 1376 wrote to memory of 1104	1376	bsuM.exe	cmd.exe
PID 1376 wrote to memory of 1104	1376	bsuM.exe	cmd.exe
PID 1376 wrote to memory of 1104	1376	bsuM.exe	cmd.exe
PID 1376 wrote to memory of 1104	1376	bsuM.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe
"C:\Users\Admin\AppData\Local\Temp\04a71a519419cc56ada0cb83552feca2030660bee2093c7e7d2b380f03a5b642.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1864

C:\Users\Admin\AppData\Local\Temp\bsuM.exe
C:\Users\Admin\AppData\Local\Temp\bsuM.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\47771be5.bat" "
3⤵
PID:1104

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\47771be5.bat
MD5
c8e932967d1ca17a062165d474824a6c

SHA1
00c5ead1abe052a51932aeb88b879b3298d5f2d0

SHA256
2193d59097274c5cfe7bdd171e27b156f011e639e8cd537177f3466abc3bde97

SHA512
84d22b9cd6c44fbebe78fb041e35c0a1c06598406749de0eabc7ee9d9354bf4e83f01d405688901543a4a93859b68ef6d348023a9d4ed14b776b08349496aad5

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

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\bsuM.exe
MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
\Users\Admin\AppData\Local\Temp\bsuM.exe
MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1104-66-0x0000000000000000-mapping.dmp

Download
memory/1376-62-0x0000000000000000-mapping.dmp

Download
memory/1376-64-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads