Malware Analysis Report

2025-04-14 08:32

Sample ID 240922-f4aqsstejm
Target Fedex Awb Details_pdf.exe
SHA256 e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3
Tags
formbook b31a discovery rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e915f0f594c0cc1c43241cbe47784d5a203dc521c341eb8aa95c6e6d10ff65b3

Threat Level: Known bad

The file Fedex Awb Details_pdf.exe was found to be: Known bad.

Malicious Activity Summary

formbook b31a discovery rat spyware stealer trojan

Formbook

Formbook payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-22 05:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-22 05:25

Reported

2024-09-22 05:27

Platform

win7-20240903-en

Max time kernel

147s

Max time network

118s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Deletes itself

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2104 set thread context of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 2940 set thread context of 1208 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Windows\Explorer.EXE
PID 2884 set thread context of 1208 N/A C:\Windows\SysWOW64\help.exe C:\Windows\Explorer.EXE

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\Fedex Awb Details_pdf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\help.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\help.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2104 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 2104 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 2104 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 2104 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 2104 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 2104 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 2104 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 1208 wrote to memory of 2884 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 1208 wrote to memory of 2884 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 1208 wrote to memory of 2884 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 1208 wrote to memory of 2884 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 2884 wrote to memory of 2744 N/A C:\Windows\SysWOW64\help.exe C:\Windows\SysWOW64\cmd.exe
PID 2884 wrote to memory of 2744 N/A C:\Windows\SysWOW64\help.exe C:\Windows\SysWOW64\cmd.exe
PID 2884 wrote to memory of 2744 N/A C:\Windows\SysWOW64\help.exe C:\Windows\SysWOW64\cmd.exe
PID 2884 wrote to memory of 2744 N/A C:\Windows\SysWOW64\help.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"

C:\Windows\SysWOW64\help.exe

"C:\Windows\SysWOW64\help.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"

Network

N/A

Files

memory/2104-0-0x000000007479E000-0x000000007479F000-memory.dmp

memory/2104-1-0x0000000000820000-0x00000000008BC000-memory.dmp

memory/2104-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

memory/2104-3-0x00000000003A0000-0x00000000003B0000-memory.dmp

memory/2104-4-0x000000007479E000-0x000000007479F000-memory.dmp

memory/2104-5-0x0000000074790000-0x0000000074E7E000-memory.dmp

memory/2104-6-0x0000000004790000-0x0000000004806000-memory.dmp

memory/2940-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2940-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2940-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2940-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2104-15-0x0000000074790000-0x0000000074E7E000-memory.dmp

memory/2940-16-0x0000000000A50000-0x0000000000D53000-memory.dmp

memory/2940-19-0x00000000001C0000-0x00000000001D4000-memory.dmp

memory/2940-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1208-20-0x0000000000010000-0x0000000000020000-memory.dmp

memory/1208-21-0x0000000004E80000-0x000000000501E000-memory.dmp

memory/2884-23-0x0000000000880000-0x0000000000886000-memory.dmp

memory/2884-22-0x0000000000880000-0x0000000000886000-memory.dmp

memory/2884-24-0x00000000000D0000-0x00000000000FF000-memory.dmp

memory/1208-25-0x0000000004E80000-0x000000000501E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-22 05:25

Reported

2024-09-22 05:27

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

131s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1416 set thread context of 4888 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 4888 set thread context of 3504 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Windows\Explorer.EXE
PID 3924 set thread context of 3504 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\Explorer.EXE

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\Fedex Awb Details_pdf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\systray.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\systray.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1416 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 1416 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 1416 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 1416 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 1416 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 1416 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
PID 3504 wrote to memory of 3924 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\systray.exe
PID 3504 wrote to memory of 3924 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\systray.exe
PID 3504 wrote to memory of 3924 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\systray.exe
PID 3924 wrote to memory of 348 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\SysWOW64\cmd.exe
PID 3924 wrote to memory of 348 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\SysWOW64\cmd.exe
PID 3924 wrote to memory of 348 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"

C:\Windows\SysWOW64\systray.exe

"C:\Windows\SysWOW64\systray.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 160.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 35.166.122.92.in-addr.arpa udp
US 8.8.8.8:53 www.lstrk.fun udp
US 8.8.8.8:53 149.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 www.awlc7038.vip udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.asinos-deutschland.net udp
US 8.8.8.8:53 www.g3yqo.shop udp

Files

memory/1416-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

memory/1416-1-0x0000000000FA0000-0x000000000103C000-memory.dmp

memory/1416-2-0x00000000060C0000-0x0000000006664000-memory.dmp

memory/1416-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

memory/1416-4-0x0000000074D30000-0x00000000754E0000-memory.dmp

memory/1416-5-0x0000000005A90000-0x0000000005A9A000-memory.dmp

memory/1416-6-0x0000000005AF0000-0x0000000005B00000-memory.dmp

memory/1416-7-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

memory/1416-8-0x0000000074D30000-0x00000000754E0000-memory.dmp

memory/1416-9-0x0000000007520000-0x0000000007596000-memory.dmp

memory/1416-10-0x0000000009B80000-0x0000000009C1C000-memory.dmp

memory/4888-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1416-13-0x0000000074D30000-0x00000000754E0000-memory.dmp

memory/4888-14-0x00000000016F0000-0x0000000001A3A000-memory.dmp

memory/4888-17-0x00000000014D0000-0x00000000014E4000-memory.dmp

memory/4888-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3504-18-0x00000000088E0000-0x0000000008A69000-memory.dmp

memory/3924-20-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

memory/3924-19-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

memory/3924-21-0x0000000000820000-0x000000000084F000-memory.dmp

memory/3504-22-0x00000000088E0000-0x0000000008A69000-memory.dmp

memory/3504-26-0x0000000008180000-0x00000000082A6000-memory.dmp

memory/3504-27-0x0000000008180000-0x00000000082A6000-memory.dmp

memory/3504-29-0x0000000008180000-0x00000000082A6000-memory.dmp