4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 16:07

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General

Target

4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe
Size

3.3MB
MD5

72e94033935d7b6ce7b1d2190107ed2e
SHA1

c17424fb40471c9aff36885de13a755c982428a8
SHA256

4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809
SHA512

2f08db004e1a371f765ae381a447dd84df7ce63b7b74fbc0404a966ae9dded42c0466ed3630a94d7ac0ddaf0e1978b851062c0db8f58a90080d90ec360d0bae2
SSDEEP

49152:K7DB4v9WjlLe4U/YJ6J0dO0r2AJB0yYy20QYTu5dPkLoJjqsb:LAjlc/+J+Hy2/+LoJjqsb

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2500	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1332	Logo1_.exe
2012	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe

Loads dropped DLL 1 IoCs

pid	Process
2500	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)	\??\T:	Logo1_.exe
File opened (read-only)	\??\N:	Logo1_.exe
File opened (read-only)	\??\K:	Logo1_.exe
File opened (read-only)	\??\E:	Logo1_.exe
File opened (read-only)	\??\I:	Logo1_.exe
File opened (read-only)	\??\Z:	Logo1_.exe
File opened (read-only)	\??\V:	Logo1_.exe
File opened (read-only)	\??\U:	Logo1_.exe
File opened (read-only)	\??\Q:	Logo1_.exe
File opened (read-only)	\??\P:	Logo1_.exe
File opened (read-only)	\??\L:	Logo1_.exe
File opened (read-only)	\??\J:	Logo1_.exe
File opened (read-only)	\??\G:	Logo1_.exe
File opened (read-only)	\??\X:	Logo1_.exe
File opened (read-only)	\??\S:	Logo1_.exe
File opened (read-only)	\??\Y:	Logo1_.exe
File opened (read-only)	\??\W:	Logo1_.exe
File opened (read-only)	\??\R:	Logo1_.exe
File opened (read-only)	\??\O:	Logo1_.exe
File opened (read-only)	\??\M:	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 (x86)\Common Files\microsoft shared\THEMES14\BLUEPRNT\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\VSTA\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\MSBuild\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Media Player\fr-FR\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\en-US\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Mail\es-ES\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\it-IT\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\BabyBlue\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\tet\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\VBA\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\_desktop.ini	Logo1_.exe
File created	C:\Program Files\VideoLAN\VLC\locale\te\_desktop.ini	Logo1_.exe
File created	C:\Program Files\VideoLAN\VLC\locale\zu\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Americana\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	Logo1_.exe
File created	C:\Program Files\Microsoft Games\Purble Place\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OneNote\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Microsoft Games\FreeCell\it-IT\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TextConv\it-IT\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Mail\it-IT\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	Logo1_.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\en-US\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jre7\bin\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\en-US\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	Logo1_.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	Logo1_.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\ja-JP\css\_desktop.ini	Logo1_.exe
File created	C:\Program Files\DVD Maker\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Google\CrashReports\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Google\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\es-ES\css\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Windows NT\Accessories\fr-FR\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Argentina\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\uk\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\de-DE\js\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Notebook Templates\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Media Player\Icons\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\SubsetList\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Defender\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\skins\fonts\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Office64.WW\_desktop.ini	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\VideoLAN\VLC\locale\el\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Windows Mail\de-DE\_desktop.ini	Logo1_.exe
File created	C:\Program Files\VideoLAN\VLC\locale\eu\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\en-US\css\_desktop.ini	Logo1_.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\fr-FR\js\_desktop.ini	Logo1_.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\_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\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\_desktop.ini	Logo1_.exe
File opened for modification	C:\Program Files\Windows Journal\fr-FR\_desktop.ini	Logo1_.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\rundl132.exe	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe
File created	C:\Windows\Logo1_.exe	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.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
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe
1332	Logo1_.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 2500	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	28
PID 1028 wrote to memory of 2500	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	28
PID 1028 wrote to memory of 2500	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	28
PID 1028 wrote to memory of 2500	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	28
PID 1028 wrote to memory of 1332	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	29
PID 1028 wrote to memory of 1332	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	29
PID 1028 wrote to memory of 1332	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	29
PID 1028 wrote to memory of 1332	1028	4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe	29
PID 1332 wrote to memory of 2984	1332	Logo1_.exe	31
PID 1332 wrote to memory of 2984	1332	Logo1_.exe	31
PID 1332 wrote to memory of 2984	1332	Logo1_.exe	31
PID 1332 wrote to memory of 2984	1332	Logo1_.exe	31
PID 2500 wrote to memory of 2012	2500	cmd.exe	33
PID 2500 wrote to memory of 2012	2500	cmd.exe	33
PID 2500 wrote to memory of 2012	2500	cmd.exe	33
PID 2500 wrote to memory of 2012	2500	cmd.exe	33
PID 2984 wrote to memory of 892	2984	net.exe	34
PID 2984 wrote to memory of 892	2984	net.exe	34
PID 2984 wrote to memory of 892	2984	net.exe	34
PID 2984 wrote to memory of 892	2984	net.exe	34
PID 1332 wrote to memory of 1152	1332	Logo1_.exe	20
PID 1332 wrote to memory of 1152	1332	Logo1_.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1152
- C:\Users\Admin\AppData\Local\Temp\4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe
  "C:\Users\Admin\AppData\Local\Temp\4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:1028
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1017.bat
    3⤵
    - Deletes itself
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2500
  - - C:\Users\Admin\AppData\Local\Temp\4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe
      "C:\Users\Admin\AppData\Local\Temp\4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe"
      4⤵
      Executes dropped EXE
      PID:2012
- - 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:1332
  - - C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2984
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        5⤵
        
        PID:892

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
cc1433855d3007b8e23db2928fab3e8b

SHA1
b5bfab4aa8291161fb06da630817341d93cccd6a

SHA256
322e7846f65b2bf5b6a1df6d589c7a90d04407fa996fd1aa6af7f231f332356e

SHA512
6fc0f2b100380d8d8c3ace949c9804bdebef60353c803ed8b38b381c8533d598fc91f14cdfd24c30cc0a349e5549b9d34bc585758d6fcfa055242bb2c4d2b3b1

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\$$a1017.bat

Filesize
722B

MD5
e531da64e67ecace9de3631487887034

SHA1
06739f824282a0045218ab8c3314de852b6f8828

SHA256
fd78ffefef8ed5cdd868c88fb59cf3add358d98156b5073be5294dc75158724a

SHA512
64be97c6e4c1fa404cfca061e5e359550155c43d8a361364e0abc76f98fe0354b5f36ab5f38eb6a6c39ce59070cbe3ae70d8dbb72d9cf34e0362346518200ff1

Download Submit
C:\Users\Admin\AppData\Local\Temp\4bcdc4e3a856f0aeb4f534bd3b4479093f0f5d48b9b7bb6586bb7fe812110809.exe.exe

Filesize
3.2MB

MD5
f1d5dce7d8808faf2786f67b0e4e27a7

SHA1
c4490c7c7f466b4fec8c189aced3ab05e802cb86

SHA256
ae884bb5579cc1fc931d487e2b8440b99ca435b835595586052fd8de8c84411c

SHA512
16f3db169a764d8d5db497840d6cfb69e9186b4e354e223259eef0f13a61bc5472d934526e7a00f2fb1c5b8ca5185f9284ce573856c637cfbcb3f443ffda5843

Download Submit
C:\Windows\Logo1_.exe

Filesize
26KB

MD5
8c1c53a89dbd4ed410752c8373d31d4d

SHA1
fffbcec8de5833946ef316bd404bac3f431a8200

SHA256
80f1db329507dc01cc19447634fd21e12779dcdf37e32c9b6d0e35fc2ff80f82

SHA512
4b42cd180f301a85d667bd02114ef4e3440df85241061e405fe4c7a481a8e90d675392e4597e505e176acecd1046aef8c8bf831092f4ab8f0d38836488cf0af9

Download Submit
F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

Filesize
9B

MD5
e850d9ceb7ebcc619d731dc2f1377b2b

SHA1
a45553c9057075c02e28f90d5e8ea57a0dddbacc

SHA256
b682a6e85069777ca22f84b99607acd09640eaa80029d74363c0a5aabddead4c

SHA512
be92bd8393d0fe69559ec55e1068fcd77ccc699361a9cb98d467bd51a029c371852b7a1196ad53fa8865e956582e6a4d35f6ac6fea3832058b7a427133b0048c

Download Submit
memory/1028-16-0x0000000000300000-0x0000000000334000-memory.dmp

Filesize
208KB

Download
memory/1028-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1028-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1152-30-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/1332-19-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-45-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-91-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-97-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-508-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-1850-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-2073-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-39-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-3310-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1332-32-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download