glupteba | d9e974768ed6a1bed58ee8c29133b4fea7f98e9818be6a6dc0a997f25a0e2048

Analysis

max time kernel
1s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 19:23

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General

Target
d9e974768ed6a1bed58ee8c29133b4fea7f98e9818be6a6dc0a997f25a0e2048.exe
Size 4.2MB
Sample240417-x3274ach8x
SHA256 d9e974768ed6a1bed58ee8c29133b4fea7f98e9818be6a6dc0a997f25a0e2048
MD5 a5b310be46085d15ecb18f1b8df7d028
SHA1 8546ef9d9204363ad9183869d4569a2f46df91c1
SHA512 024b18608765a167e362a694186da8e0bd33f3c5517342f6bb4ee77120c93f24376ed7ed8f48f5f3c0975b70693f40ad822d40640787c52317aa4620422915a4
SSDEEP 98304:Dz8muvG4/7oo98xMphVIqHAQJ7eNfIWzS5gC960Xfu6ti9vBy29d:DzvuvT/7/zVIWAQdeNfIWzX0W6tA42X
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba dropper evasion loader upx

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 17 IoCs

resource	yara_rule
behavioral1/memory/220-2-0x00000000051F0000-0x0000000005ADB000-memory.dmp	family_glupteba
behavioral1/memory/220-3-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/2460-57-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/220-67-0x00000000051F0000-0x0000000005ADB000-memory.dmp	family_glupteba
behavioral1/memory/220-71-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/2460-202-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-257-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-268-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-272-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-276-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-280-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-284-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-288-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-292-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-296-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-300-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba
behavioral1/memory/1876-304-0x0000000000400000-0x000000000310E000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5056	netsh.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0008000000023416-261.dat	upx
behavioral1/memory/1796-265-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/4912-270-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/4912-278-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
980	sc.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4144	schtasks.exe
3936	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\d9e974768ed6a1bed58ee8c29133b4fea7f98e9818be6a6dc0a997f25a0e2048.exe
"C:\Users\Admin\AppData\Local\Temp\d9e974768ed6a1bed58ee8c29133b4fea7f98e9818be6a6dc0a997f25a0e2048.exe"
1⤵
PID:220
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  PID:4912
- C:\Users\Admin\AppData\Local\Temp\d9e974768ed6a1bed58ee8c29133b4fea7f98e9818be6a6dc0a997f25a0e2048.exe
  "C:\Users\Admin\AppData\Local\Temp\d9e974768ed6a1bed58ee8c29133b4fea7f98e9818be6a6dc0a997f25a0e2048.exe"
  2⤵
  PID:2460
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:4588
- - C:\Windows\system32\cmd.exe
    C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
    3⤵
    PID:3380
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      PID:5056
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:4632
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:2408
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    PID:1876
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:4860
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:3936
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2388
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:4472
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:2252
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      PID:3836
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:4144
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:1796
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        5⤵
        
        PID:3760
      - C:\Windows\SysWOW64\sc.exe
        
        sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        6⤵
        Launches sc.exe
        
        PID:980

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_hqfddxoe.0da.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hqfddxoe.0da.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
MD5 3d086a433708053f9bf9523e1d87a4e8
SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
MD5 SHA1 SHA512

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