1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9

Analysis

max time kernel
41s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
21/10/2022, 00:08

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General

Target

1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe
Size

64KB
MD5

4d7980e7f95ae03da2680257e05e69c0
SHA1

985aedc05ff725354c12cb63275e19e8b63fa66f
SHA256

1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9
SHA512

a78059c2bb6d0bdf6f458aacde50393578b9c8e6284c1ffdf5876ae66ca92b46b6d587cee33651b9fac9b38899e4b0e728dbe1340787622e753fa640374aa396
SSDEEP

768:CAX45JoF+yMhkA089gH5F5o8AxQWQGPL4vzZq2o9W7GsxBbPr:CLGxMhm8S5o8AxQNGCq2iW7z

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/0x0007000000005c50-54.dat	aspack_v212_v242
behavioral1/files/0x0007000000005c50-55.dat	aspack_v212_v242
behavioral1/files/0x0007000000005c50-57.dat	aspack_v212_v242
behavioral1/files/0x0007000000005c50-59.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2000	UiM.exe

Loads dropped DLL 2 IoCs

pid	Process
2020	1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe
2020	1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.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	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	UiM.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	UiM.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	UiM.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	UiM.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	UiM.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	UiM.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	UiM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	UiM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	UiM.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	UiM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	UiM.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleUpdateComRegisterShell64.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	UiM.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	UiM.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	UiM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	UiM.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.71\GoogleCrashHandler64.exe	UiM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	UiM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	UiM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	UiM.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 2020 wrote to memory of 2000	2020	1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe	26
PID 2020 wrote to memory of 2000	2020	1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe	26
PID 2020 wrote to memory of 2000	2020	1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe	26
PID 2020 wrote to memory of 2000	2020	1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe	26
PID 2000 wrote to memory of 924	2000	UiM.exe	29
PID 2000 wrote to memory of 924	2000	UiM.exe	29
PID 2000 wrote to memory of 924	2000	UiM.exe	29
PID 2000 wrote to memory of 924	2000	UiM.exe	29

C:\Users\Admin\AppData\Local\Temp\1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe
"C:\Users\Admin\AppData\Local\Temp\1f58aa524c1926e170dad4cfcde354b1d2c76c9653ffbed2ca00806a967de6b9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\UiM.exe
  C:\Users\Admin\AppData\Local\Temp\UiM.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\230d2afb.bat" "
    3⤵
    PID:924

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\230d2afb.bat

Filesize
181B

MD5
6800b689bea8dd6f118d73cce7d58d63

SHA1
cebb8f108238c4bbda3afbd4bc3c2a41e1f191d0

SHA256
61bd1e89a1abf469feabbc96e177b75dc9b2e9a126f24d46c3b35ab360b84be5

SHA512
116d14a1e6e0be7f6c5dc296b2dc6adef1e617867369b0090d30b770a41572a927a61c96439c6c5cdb05922e34202b5e8b2f69ed8ee7644e82048f87a2b8c51c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2000-63-0x00000000011D0000-0x00000000011D9000-memory.dmp

Filesize
36KB

Download
memory/2000-58-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/2000-67-0x00000000011D0000-0x00000000011D9000-memory.dmp

Filesize
36KB

Download
memory/2020-61-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2020-62-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2020-60-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2020-64-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2020-65-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download