450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc

Analysis

max time kernel
72s
max time network
70s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 19:07

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General

Target

450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe
Size

130KB
MD5

20b6cef19462a6232744e77d1edccf26
SHA1

c6a6e02ebee52899d3b33d7362a1ed5ded072c27
SHA256

450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc
SHA512

158135eeb8176f48285bcfe1d0f142b8e159cbb565eb594d6ae3a7a5d6fcbeea0bf4f67b77da530db29fe1650f755b243e0d56b348346714d4f3e789f1d3ee5e
SSDEEP

3072:NtI74o0bB/W/e9PR4GC7+ZSsrZUcHQgsm2fGCH:3I749bBea6GS+brZUoAG

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-58.dat	aspack_v212_v242
behavioral1/files/0x00140000000054ab-56.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
1776	iLwyZfL.exe

Loads dropped DLL 2 IoCs

pid	Process
2036	450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe
2036	450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.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\jar.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdate.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateOnDemand.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	iLwyZfL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	iLwyZfL.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 2036 wrote to memory of 1776	2036	450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe	28
PID 2036 wrote to memory of 1776	2036	450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe	28
PID 2036 wrote to memory of 1776	2036	450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe	28
PID 2036 wrote to memory of 1776	2036	450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe	28
PID 1776 wrote to memory of 316	1776	iLwyZfL.exe	31
PID 1776 wrote to memory of 316	1776	iLwyZfL.exe	31
PID 1776 wrote to memory of 316	1776	iLwyZfL.exe	31
PID 1776 wrote to memory of 316	1776	iLwyZfL.exe	31

C:\Users\Admin\AppData\Local\Temp\450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe
"C:\Users\Admin\AppData\Local\Temp\450a5777951ba46f37e5587e372e43c847e76b00c370077c367d30af10ef41dc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\iLwyZfL.exe
  C:\Users\Admin\AppData\Local\Temp\iLwyZfL.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\46353f1f.bat" "
    3⤵
    PID:316

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\46353f1f.bat

Filesize
189B

MD5
477913dc10f6a11c511d4408251765c3

SHA1
075cb5eb602af0477cabe674cb13d4b1731f8f37

SHA256
4b5ba9b022c14a1674ff32c48911119e16d89fd0af29b9c952299e4f264c990b

SHA512
600ad39372100067c84a74bf0cd923b7b640125f58b8077d2799a1e7da76a2ff2e38fa03c95f92bc40ab4aff5b2eb977b2f79403bf3beb662478084fe5955d31

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1776-64-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1776-67-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2036-61-0x0000000000C40000-0x0000000000C77000-memory.dmp

Filesize
220KB

Download
memory/2036-63-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2036-54-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download
memory/2036-65-0x0000000000C40000-0x0000000000C77000-memory.dmp

Filesize
220KB

Download
memory/2036-62-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download