Malware Analysis Report

2024-11-15 10:22

Sample ID 241106-b9x13avpgj
Target 06112024_0151_05112024_Fayda İmza Planı İmza və Qaytarma #0004621.tbz
SHA256 89610e2f92bf94480bf6d749c1cbe1b771ee3c24a15ee06bfa6ae6cb8dc255d8
Tags
discovery guloader downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

89610e2f92bf94480bf6d749c1cbe1b771ee3c24a15ee06bfa6ae6cb8dc255d8

Threat Level: Known bad

The file 06112024_0151_05112024_Fayda İmza Planı İmza və Qaytarma #0004621.tbz was found to be: Known bad.

Malicious Activity Summary

discovery guloader downloader

Guloader family

Guloader,Cloudeye

Loads dropped DLL

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 01:51

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-06 01:51

Reported

2024-11-06 01:56

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

272s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1472 wrote to memory of 3972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1472 wrote to memory of 3972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1472 wrote to memory of 3972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3972 -ip 3972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 01:51

Reported

2024-11-06 01:56

Platform

win7-20240729-en

Max time kernel

296s

Max time network

294s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2144 set thread context of 2860 N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\sitrep.spo C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

"C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"

C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

"C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"

Network

Country Destination Domain Proto
US 45.133.158.36:80 45.133.158.36 tcp

Files

\Users\Admin\AppData\Local\Temp\nszFD44.tmp\System.dll

MD5 ee260c45e97b62a5e42f17460d406068
SHA1 df35f6300a03c4d3d3bd69752574426296b78695
SHA256 e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512 a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

memory/2144-18-0x0000000003570000-0x000000000474B000-memory.dmp

memory/2144-19-0x0000000076EE1000-0x0000000076FE2000-memory.dmp

memory/2144-20-0x0000000076EE0000-0x0000000077089000-memory.dmp

memory/2144-21-0x0000000003570000-0x000000000474B000-memory.dmp

memory/2860-22-0x0000000076EE0000-0x0000000077089000-memory.dmp

memory/2860-23-0x0000000000460000-0x00000000014C2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 01:51

Reported

2024-11-06 01:56

Platform

win10v2004-20241007-en

Max time kernel

296s

Max time network

294s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2916 set thread context of 1376 N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\sitrep.spo C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

"C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"

C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

"C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 45.133.158.36:80 45.133.158.36 tcp
US 8.8.8.8:53 36.158.133.45.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsp784E.tmp\System.dll

MD5 ee260c45e97b62a5e42f17460d406068
SHA1 df35f6300a03c4d3d3bd69752574426296b78695
SHA256 e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512 a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

memory/2916-16-0x0000000003030000-0x000000000420B000-memory.dmp

memory/2916-17-0x0000000077B01000-0x0000000077C21000-memory.dmp

memory/2916-18-0x0000000010004000-0x0000000010005000-memory.dmp

memory/2916-19-0x0000000003030000-0x000000000420B000-memory.dmp

memory/1376-20-0x00000000016C0000-0x000000000289B000-memory.dmp

memory/1376-21-0x0000000077B88000-0x0000000077B89000-memory.dmp

memory/1376-22-0x0000000077BA5000-0x0000000077BA6000-memory.dmp

memory/1376-23-0x00000000016C0000-0x000000000289B000-memory.dmp

memory/1376-24-0x0000000077B01000-0x0000000077C21000-memory.dmp

memory/1376-25-0x0000000000460000-0x00000000016B4000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-06 01:51

Reported

2024-11-06 01:56

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 224

Network

N/A

Files

N/A