5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146

Analysis

max time kernel
182s
max time network
88s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 17:25

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General

Target

5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe
Size

434KB
MD5

5ae68f6dd3cd6981e743e7effbe97a60
SHA1

93e1b4f03cb999597b12b2767ea5d195126b1474
SHA256

5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146
SHA512

3f52774d53150ebe4614b2a0fe5361128550634f20ac3abe8adac279574ddbc68efb634bb2d3b7692412e4bddfe311bc80e6986d756b1370531c3b2a0a45f37b
SSDEEP

12288:ZVnQ+IEGpzK6FSkFvqRjrK5Kb/sVId/7:Q5pzv2rKYbE67

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/0x00140000000054ab-56.dat	aspack_v212_v242
behavioral1/files/0x00140000000054ab-58.dat	aspack_v212_v242
behavioral1/files/0x00140000000054ab-55.dat	aspack_v212_v242
behavioral1/files/0x00140000000054ab-60.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1788	EtflKT.exe

Loads dropped DLL 2 IoCs

pid	Process
1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe
1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.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\apt.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	EtflKT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	EtflKT.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	EtflKT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	EtflKT.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\89.0.4389.114\chrome_installer.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	EtflKT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\setup.exe	EtflKT.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	EtflKT.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	EtflKT.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	EtflKT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	EtflKT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_pwa_launcher.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	EtflKT.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	EtflKT.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	EtflKT.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	EtflKT.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	EtflKT.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	EtflKT.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	EtflKT.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1836	1716	WerFault.exe	15

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1788	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	28
PID 1716 wrote to memory of 1788	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	28
PID 1716 wrote to memory of 1788	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	28
PID 1716 wrote to memory of 1788	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	28
PID 1716 wrote to memory of 1836	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	30
PID 1716 wrote to memory of 1836	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	30
PID 1716 wrote to memory of 1836	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	30
PID 1716 wrote to memory of 1836	1716	5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe	30
PID 1788 wrote to memory of 632	1788	EtflKT.exe	32
PID 1788 wrote to memory of 632	1788	EtflKT.exe	32
PID 1788 wrote to memory of 632	1788	EtflKT.exe	32
PID 1788 wrote to memory of 632	1788	EtflKT.exe	32

C:\Users\Admin\AppData\Local\Temp\5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe
"C:\Users\Admin\AppData\Local\Temp\5924ff9e7f99369c1415abdd8c5239b0487f403537a72cc15a390c337798e146.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\EtflKT.exe
  C:\Users\Admin\AppData\Local\Temp\EtflKT.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7ad03a0d.bat" "
    3⤵
    PID:632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 168
  2⤵
  - Program crash
  PID:1836

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\7ad03a0d.bat

Filesize
187B

MD5
ed98d82a8cd03c8ff7f52f64d963fd26

SHA1
e176d58b54a3d543e239623962735cc00fda805e

SHA256
8bf3f0c8f58bbd6c403877cdb9046923efb7da0701e11ae3ea3029953472d244

SHA512
2366bf378c84580431ab56530b9ef456e0c0339af14c0dc8405a290df595c2d24f304bad1fbb8ea83f75cfeb6a13643470a1641fb2c1a07301182981c5d906de

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1716-70-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1716-69-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1716-62-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1716-54-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/1716-64-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1716-63-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1788-65-0x00000000011E0000-0x00000000011E9000-memory.dmp

Filesize
36KB

Download
memory/1788-67-0x00000000011E0000-0x00000000011E9000-memory.dmp

Filesize
36KB

Download