46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7

Analysis

max time kernel
54s
max time network
57s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 10:05

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General

Target

46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe
Size

583KB
MD5

31ae99a368bf4296748f8efa25513d80
SHA1

002daa8b2f65b30711d5db8b6abbfaf1a0fc9b00
SHA256

46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7
SHA512

0a3b1e9cd7a2d3f76890842ce0336d8683ae51f6e0a7d92187470addc580a12dd839548c7bf8f8d626a11695017804f42bd87b1c8a1231ff754c10bc524fd2f5
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/0x000a0000000133e5-55.dat	aspack_v212_v242
behavioral1/files/0x000a0000000133e5-56.dat	aspack_v212_v242
behavioral1/files/0x000a0000000133e5-58.dat	aspack_v212_v242
behavioral1/files/0x000a0000000133e5-60.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1812	LXfWcN.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1388-61-0x0000000000400000-0x0000000000586000-memory.dmp	upx
behavioral1/memory/1388-65-0x0000000000400000-0x0000000000586000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1388	46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe
1388	46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{E99C3EBC-29AE-41F5-B21B-30DFBE45C88A}\chrome_installer.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleCrashHandler64.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	LXfWcN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	LXfWcN.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	LXfWcN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateSetup.exe	LXfWcN.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
1388	46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1812	1388	46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe	28
PID 1388 wrote to memory of 1812	1388	46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe	28
PID 1388 wrote to memory of 1812	1388	46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe	28
PID 1388 wrote to memory of 1812	1388	46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe	28
PID 1812 wrote to memory of 960	1812	LXfWcN.exe	31
PID 1812 wrote to memory of 960	1812	LXfWcN.exe	31
PID 1812 wrote to memory of 960	1812	LXfWcN.exe	31
PID 1812 wrote to memory of 960	1812	LXfWcN.exe	31

C:\Users\Admin\AppData\Local\Temp\46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe
"C:\Users\Admin\AppData\Local\Temp\46ec3076ae742e67b00aa1aff0c01b91a0109116475acba751efff923e3f7ae7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\LXfWcN.exe
  C:\Users\Admin\AppData\Local\Temp\LXfWcN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1812
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\5fed24bc.bat" "
    3⤵
    PID:960

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\5fed24bc.bat

Filesize
187B

MD5
11ce73a66cb254576110989dc705cbc7

SHA1
421f0e75d3ba47ab7e1c65543370220f1a4155e2

SHA256
719bb143460623377474e562712ee5b1ec41acb2ab4f3ebdf532477ba9d6a14e

SHA512
c14bed1d858d9490f87916a43b0051547b3e9e8203973e22e37c7df456772dacb73c1ba82664e94745835d32e706d5e0c9723cf654da056288d452185861e405

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1388-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1388-61-0x0000000000400000-0x0000000000586000-memory.dmp

Filesize
1.5MB

Download
memory/1388-62-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/1388-63-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/1388-65-0x0000000000400000-0x0000000000586000-memory.dmp

Filesize
1.5MB

Download
memory/1812-67-0x00000000012C0000-0x00000000012C9000-memory.dmp

Filesize
36KB

Download
memory/1812-64-0x00000000012C0000-0x00000000012C9000-memory.dmp

Filesize
36KB

Download