glupteba | 834c4e0f871325c4fa72f50f1e0546676d396cde4fbb068440a6aec87a02121a

Analysis

max time kernel
1s
max time network
155s
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, 23:30

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
834c4e0f871325c4fa72f50f1e0546676d396cde4fbb068440a6aec87a02121a.exe
Size 4.2MB
Sample240417-3hlx9shf78
SHA256 834c4e0f871325c4fa72f50f1e0546676d396cde4fbb068440a6aec87a02121a
MD5 b97555e87f15535456f7c419378e5f0b
SHA1 29571e4dc0341a9a68ef00ecbd94d0ea7bb3f28d
SHA512 cbe22adc1e4620d759604114cc70c4b93fa8637262907446e07f27b5f720d206b9e96c7da4ec6e46ff06229d87fd1dd24ed740781316a9e67b07c3631384125a
SSDEEP 98304:KkZ2HRjDxUqNRSWw/fdG0ya8lhbNKCN+OMuHRmn++CozeYuDK:LZ2x3CqNcHdGTLNp+F+8elDK
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 18 IoCs

resource	yara_rule
behavioral1/memory/4400-2-0x0000000005160000-0x0000000005A4B000-memory.dmp	family_glupteba
behavioral1/memory/4400-3-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/8-65-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/4400-69-0x0000000005160000-0x0000000005A4B000-memory.dmp	family_glupteba
behavioral1/memory/4400-84-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/8-134-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/8-219-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-269-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-273-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-277-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-281-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-285-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-293-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-297-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-301-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-305-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-309-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral1/memory/1840-313-0x0000000000400000-0x000000000310F000-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
4580	netsh.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000023401-263.dat	upx
behavioral1/memory/4288-266-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/2244-271-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/2244-279-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Launches sc.exe 1 IoCs

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

pid	Process
628	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
4356	schtasks.exe
1616	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\834c4e0f871325c4fa72f50f1e0546676d396cde4fbb068440a6aec87a02121a.exe
"C:\Users\Admin\AppData\Local\Temp\834c4e0f871325c4fa72f50f1e0546676d396cde4fbb068440a6aec87a02121a.exe"
1⤵
PID:4400
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  PID:4776
- C:\Users\Admin\AppData\Local\Temp\834c4e0f871325c4fa72f50f1e0546676d396cde4fbb068440a6aec87a02121a.exe
  "C:\Users\Admin\AppData\Local\Temp\834c4e0f871325c4fa72f50f1e0546676d396cde4fbb068440a6aec87a02121a.exe"
  2⤵
  PID:8
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:2016
- - 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:4924
  - - 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:4580
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:4092
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:3952
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    PID:1840
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:1052
  - - 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:4356
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2600
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:1380
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:4008
  - - 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:3076
  - - 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:1616
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:4288
    - - 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:4936
      - 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:628

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:2244

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_kpy00rtl.oxi.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kpy00rtl.oxi.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
MD5 3d086a433708053f9bf9523e1d87a4e8
SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
MD5 SHA1 SHA512

Submit Download