glupteba | 2546c196a3636ae61a971fd718a9feff3dd2b137ab96fc5f256f111b165cbf62

Analysis

max time kernel
8s
max time network
294s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
16/05/2024, 22:49

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General

Target
2546c196a3636ae61a971fd718a9feff3dd2b137ab96fc5f256f111b165cbf62.exe
Size 4.1MB
Sample240516-2r7ewscf29
SHA256 2546c196a3636ae61a971fd718a9feff3dd2b137ab96fc5f256f111b165cbf62
MD5 1157922d694e53092c8c05331878f8a1
SHA1 f63cbc1b6e261bd011352c0f64ec6238ec37c397
SHA512 35d95d7672a2f3f1796317d3b455bc6575e997ce67c049a4ccc0971a8066820df1f0e069b9a1e07e615cf87685fdd0518859d4769f132f02fe38dfe534118ed1
SSDEEP 98304:cFETef+mmkxaPY+QSMo7d4VmoteWoCPtlnvHUEaCydSs:cFGef+mhxag+rMGd4V3tmut57ts
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba dropper evasion execution loader upx

Malware Config

Signatures

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

Glupteba payload 34 IoCs

resource	yara_rule
behavioral2/memory/4412-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp	family_glupteba
behavioral2/memory/4412-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4412-297-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/4412-301-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4412-302-0x0000000004CC0000-0x00000000055AB000-memory.dmp	family_glupteba
behavioral2/memory/4412-300-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/4040-542-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/4040-1018-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1499-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1739-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1748-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1750-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1752-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1754-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1756-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1758-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1760-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1762-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1764-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1766-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1768-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1770-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1772-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1774-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1776-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1778-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1780-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1782-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1784-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1786-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1788-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1790-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1792-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/880-1794-0x0000000000400000-0x0000000002B0C000-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
1996	netsh.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000001ac06-1742.dat	upx
behavioral2/memory/2676-1744-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/720-1747-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2676-1746-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/720-1749-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/720-1753-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Launches sc.exe 1 IoCs

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

pid	Process
5084	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5036	powershell.exe
32	powershell.exe
4136	powershell.exe
1928	powershell.exe
4608	powershell.exe
528	powershell.exe
3100	powershell.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
2672	schtasks.exe
4020	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\2546c196a3636ae61a971fd718a9feff3dd2b137ab96fc5f256f111b165cbf62.exe
"C:\Users\Admin\AppData\Local\Temp\2546c196a3636ae61a971fd718a9feff3dd2b137ab96fc5f256f111b165cbf62.exe"
1⤵
PID:4412
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:4608
- C:\Users\Admin\AppData\Local\Temp\2546c196a3636ae61a971fd718a9feff3dd2b137ab96fc5f256f111b165cbf62.exe
  "C:\Users\Admin\AppData\Local\Temp\2546c196a3636ae61a971fd718a9feff3dd2b137ab96fc5f256f111b165cbf62.exe"
  2⤵
  PID:4040
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    PID:528
- - 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:4132
  - - 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:1996
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    PID:3100
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    PID:5036
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    PID:880
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:32
  - - 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:2672
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2136
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:4136
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:1928
  - - 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:1104
  - - 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:4020
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:2676
    - - 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:2460
      - 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:5084

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

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Downloads

__PSScriptPolicyTest_2ptroh5g.lrt.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ptroh5g.lrt.ps1
Size 1B
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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 1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
MD5 1c19c16e21c97ed42d5beabc93391fc5
SHA1 8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA512 7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
MD5 SHA1 SHA512

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