Malware Analysis Report

2024-12-06 03:02

Sample ID 241119-sgrr1sxejf
Target fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe
SHA256 fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453
Tags
azorult guloader discovery downloader infostealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453

Threat Level: Known bad

The file fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe was found to be: Known bad.

Malicious Activity Summary

azorult guloader discovery downloader infostealer trojan

Azorult family

Azorult

Guloader,Cloudeye

Guloader family

Loads dropped DLL

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-19 15:06

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-19 15:06

Reported

2024-11-19 15:08

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe"

Signatures

Azorult

trojan infostealer azorult

Azorult family

azorult

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\0409\slnger\barometerstandenes.san C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.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\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe

"C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe"

C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe

"C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 mertvinc.com.tr udp
TR 185.244.144.68:80 mertvinc.com.tr tcp
US 8.8.8.8:53 68.144.244.185.in-addr.arpa udp
US 8.8.8.8:53 mhlc.shop udp
US 104.21.23.20:80 mhlc.shop tcp
US 8.8.8.8:53 20.23.21.104.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsn7456.tmp\System.dll

MD5 75ed96254fbf894e42058062b4b4f0d1
SHA1 996503f1383b49021eb3427bc28d13b5bbd11977
SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

memory/4948-8-0x0000000002CE0000-0x0000000005392000-memory.dmp

memory/4948-9-0x0000000077DE1000-0x0000000077F01000-memory.dmp

memory/4948-10-0x0000000002CE0000-0x0000000005392000-memory.dmp

memory/4948-11-0x0000000074AD4000-0x0000000074AD5000-memory.dmp

memory/4948-12-0x0000000002CE0000-0x0000000005392000-memory.dmp

memory/2732-13-0x0000000001A40000-0x00000000040F2000-memory.dmp

memory/2732-14-0x0000000001A40000-0x00000000040F2000-memory.dmp

memory/2732-16-0x0000000000060000-0x0000000000087000-memory.dmp

memory/2732-15-0x00000000007E0000-0x0000000001A34000-memory.dmp

memory/2732-17-0x00000000007E0000-0x0000000001A34000-memory.dmp

memory/2732-18-0x0000000001A40000-0x00000000040F2000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-19 15:06

Reported

2024-11-19 15:08

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

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 2076 -s 220

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-19 15:06

Reported

2024-11-19 15:08

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

146s

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 1688 wrote to memory of 4904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1688 wrote to memory of 4904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1688 wrote to memory of 4904 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 436 -p 4904 -ip 4904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 134.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-19 15:06

Reported

2024-11-19 15:08

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe"

Signatures

Azorult

trojan infostealer azorult

Azorult family

azorult

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\0409\slnger\barometerstandenes.san C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.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\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2496 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe
PID 2496 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe
PID 2496 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe
PID 2496 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe
PID 2496 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe
PID 2496 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe

"C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe"

C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe

"C:\Users\Admin\AppData\Local\Temp\fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mertvinc.com.tr udp
TR 185.244.144.68:80 mertvinc.com.tr tcp
US 8.8.8.8:53 mhlc.shop udp
US 104.21.23.20:80 mhlc.shop tcp

Files

\Users\Admin\AppData\Local\Temp\nso87C7.tmp\System.dll

MD5 75ed96254fbf894e42058062b4b4f0d1
SHA1 996503f1383b49021eb3427bc28d13b5bbd11977
SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

memory/2496-9-0x0000000003330000-0x00000000059E2000-memory.dmp

memory/2496-10-0x00000000770D1000-0x00000000771D2000-memory.dmp

memory/2496-11-0x00000000770D0000-0x0000000077279000-memory.dmp

memory/2496-12-0x0000000003330000-0x00000000059E2000-memory.dmp

memory/2880-13-0x00000000770D0000-0x0000000077279000-memory.dmp

memory/2496-14-0x0000000003330000-0x00000000059E2000-memory.dmp

memory/2880-15-0x00000000007E0000-0x0000000001842000-memory.dmp

memory/2880-16-0x00000000007E0000-0x0000000001842000-memory.dmp

memory/2880-17-0x00000000007E0000-0x0000000001842000-memory.dmp