b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 06:25

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General

Target

b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe
Size

49KB
MD5

ccff02730a6e77d47591a7aba6cf6e1d
SHA1

2feb1affda81b9aee5ecfd39babe546300e36e7e
SHA256

b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c
SHA512

2e7d88bc0b2bdeceb522befc22eddef3ab49dbb1ec7e2643c66b168855f243a62c80c4f4afb146ce5ec414855ed541b7708de63970e397e38c889de497c80fef
SSDEEP

768:I1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL31SFUZP5TYi+UAMxkE8:afgLdQAQfcfymNr1dZP5T7lxI

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2516	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2548	Logo1_.exe
2420	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe

Loads dropped DLL 1 IoCs

pid	Process
2516	cmd.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Z:	Logo1_.exe
File opened (read-only)	\??\S:	Logo1_.exe
File opened (read-only)	\??\W:	Logo1_.exe
File opened (read-only)	\??\U:	Logo1_.exe
File opened (read-only)	\??\O:	Logo1_.exe
File opened (read-only)	\??\M:	Logo1_.exe
File opened (read-only)	\??\K:	Logo1_.exe
File opened (read-only)	\??\R:	Logo1_.exe
File opened (read-only)	\??\Q:	Logo1_.exe
File opened (read-only)	\??\P:	Logo1_.exe
File opened (read-only)	\??\N:	Logo1_.exe
File opened (read-only)	\??\G:	Logo1_.exe
File opened (read-only)	\??\E:	Logo1_.exe
File opened (read-only)	\??\Y:	Logo1_.exe
File opened (read-only)	\??\X:	Logo1_.exe
File opened (read-only)	\??\V:	Logo1_.exe
File opened (read-only)	\??\T:	Logo1_.exe
File opened (read-only)	\??\L:	Logo1_.exe
File opened (read-only)	\??\J:	Logo1_.exe
File opened (read-only)	\??\I:	Logo1_.exe
File opened (read-only)	\??\H:	Logo1_.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	Logo1_.exe
File created	C:\Program Files\VideoLAN\VLC\locale\zh_TW\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\Certificates\groove.net\Components\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\GrayCheck\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Windows Journal\de-DE\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.core\cache\binary\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\SpringGreen\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\en-US\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\ja-JP\js\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Documentation\1033\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\WMPDMC.exe	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jre7\bin\server\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe AIR\Versions\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\de-DE\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Documentation\1033\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\core\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\it-IT\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\it-IT\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{5889422B-4E7B-4F63-944F-9F172CF77CBB}\chrome_installer.exe	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectTool\Project Report Type\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\7-Zip\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\js\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\Providers\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\DVD Maker\ja-JP\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\North_Dakota\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\js\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Help\en_US\Adobe Reader\9.0\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\LISTS\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Oasis\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\STS2\_desktop.ini	Logo1_.exe
File created	C:\Program Files\VideoLAN\VLC\locale\fi\LC_MESSAGES\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Setup.exe	Logo1_.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\1033\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\de\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\META-INF\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Filters\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Cultures\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\10\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Microsoft Games\Hearts\de-DE\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\it-IT\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\es-ES\js\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	Logo1_.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	Logo1_.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\js\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	Logo1_.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\es-ES\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\_desktop.ini	Logo1_.exe
File created	C:\Program Files\VideoLAN\VLC\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\css\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\CANYON\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\de-DE\_desktop.ini	Logo1_.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\rundl132.exe	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe
File created	C:\Windows\Logo1_.exe	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe
File opened for modification	C:\Windows\rundl132.exe	Logo1_.exe
File created	C:\Windows\vDll.dll	Logo1_.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe
2548	Logo1_.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2516	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	28
PID 1876 wrote to memory of 2516	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	28
PID 1876 wrote to memory of 2516	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	28
PID 1876 wrote to memory of 2516	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	28
PID 1876 wrote to memory of 2548	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	29
PID 1876 wrote to memory of 2548	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	29
PID 1876 wrote to memory of 2548	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	29
PID 1876 wrote to memory of 2548	1876	b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe	29
PID 2516 wrote to memory of 2420	2516	cmd.exe	32
PID 2516 wrote to memory of 2420	2516	cmd.exe	32
PID 2516 wrote to memory of 2420	2516	cmd.exe	32
PID 2516 wrote to memory of 2420	2516	cmd.exe	32
PID 2548 wrote to memory of 2512	2548	Logo1_.exe	31
PID 2548 wrote to memory of 2512	2548	Logo1_.exe	31
PID 2548 wrote to memory of 2512	2548	Logo1_.exe	31
PID 2548 wrote to memory of 2512	2548	Logo1_.exe	31
PID 2512 wrote to memory of 2592	2512	net.exe	34
PID 2512 wrote to memory of 2592	2512	net.exe	34
PID 2512 wrote to memory of 2592	2512	net.exe	34
PID 2512 wrote to memory of 2592	2512	net.exe	34
PID 2548 wrote to memory of 1160	2548	Logo1_.exe	21
PID 2548 wrote to memory of 1160	2548	Logo1_.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1160
- C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe
  "C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\$$a5918.bat
    3⤵
    - Deletes itself
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2516
  - - C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe
      "C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe"
      4⤵
      Executes dropped EXE
      PID:2420
- - C:\Windows\Logo1_.exe
    C:\Windows\Logo1_.exe
    3⤵
    - Executes dropped EXE
    - Enumerates connected drives
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2512
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        5⤵
        
        PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

Filesize
251KB

MD5
533ce215a7c274602dc456ca375cef93

SHA1
76c502d7c45eca3fd96f6b04eb850e751bc785dd

SHA256
d70c9f73bbeed5cbc0df4a4d14bae68789f84d8092281337d2919322b288ce9c

SHA512
09d9dee36c48567921de4b7c31c4a822d5f9ed5e0b1cb0330031b320f40b5ba9b15e89dc37d52561094642c0ff16c14d32e81ed5b1dac06150fefbbd6f3365bf

Download Submit
C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

Filesize
471KB

MD5
4cfdb20b04aa239d6f9e83084d5d0a77

SHA1
f22863e04cc1fd4435f785993ede165bd8245ac6

SHA256
30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

SHA512
35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

Download Submit
C:\Users\Admin\AppData\Local\Temp\$$a5918.bat

Filesize
722B

MD5
246be4b3b2f38ce973d49c98203bfc28

SHA1
caf0b296f4f13916876c707a578cbffea551a972

SHA256
535115d968bc075d34488559c92aa3fd163e66d28ff5642c377d85930093180c

SHA512
c7eb0c6bcea69098feacf142c1b251297d2db6e1ff4d9df3342fd16e2501224644faf0fdbc5810e8c1eaaf7d19abe8fb46e0d98cf4f9effa68238cbe48c7b102

Download Submit
C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe

Filesize
23KB

MD5
3c85f5e1f38b3b8176c0580debb48d38

SHA1
422e4f21186268066d30ad882ec66ed41c322a5c

SHA256
bf12b0043439b9ec8542e60374a4956b21cf300c94a779875f1715a10326353a

SHA512
2c8d3375ea1dbfabef36df5e22e22a1204545c86fae81c402abe55628d2b6617099f2713b1dbbcaba81c94d1788de25909ca162fed03a8d161f6008927c61889

Download Submit
C:\Windows\Logo1_.exe

Filesize
26KB

MD5
925efa8e6ec043b04fdaf9e6c9f95b9f

SHA1
4bb883e016bdeecc3f21b562df6364944b777ae3

SHA256
6513ef9968b68f982fb83460b5919e55470f514db71c3831c2ea5c7b3a2721db

SHA512
bf4978b5b10932de14d0c64566768708331f89a815f153323173506aecc296236a22d387b5caceba100c72b44e6b870e879f7350f1abce413bb92d54e70b133e

Download Submit
F:\$RECYCLE.BIN\S-1-5-21-39690363-730359138-1046745555-1000\_desktop.ini

Filesize
9B

MD5
2822854d33e24347f613c750df46b810

SHA1
c2ea2529c032aa552d5a8301900cf27fc0f6045c

SHA256
73f2f888bdeaf9427c7aa3355fbe711e6570fb5e9e48c3f64cd229198ce85ad2

SHA512
21fff5d14e03a0420d9242a095c2e93ac2b7e6b9e49d12da907394ac9725bb746896721ceded88411895e9630a8ffbface168f0c02630b33300647d3d9e3326c

Download Submit
memory/1160-29-0x0000000002A90000-0x0000000002A91000-memory.dmp

Filesize
4KB

Download
memory/1876-16-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1876-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-44-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-90-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-96-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-222-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-1873-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-38-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-3333-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2548-31-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download