Malware Analysis Report

2025-08-10 22:11

Sample ID 231012-jswqnsfe4w
Target 12102023_1556_11102023_Delivery Advice_pdf.rar
SHA256 746a3c485a1ebde4e078c5f1b341409270aac0073ef43504a037f3d0260912df
Tags
formbook ls02 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

746a3c485a1ebde4e078c5f1b341409270aac0073ef43504a037f3d0260912df

Threat Level: Known bad

The file 12102023_1556_11102023_Delivery Advice_pdf.rar was found to be: Known bad.

Malicious Activity Summary

formbook ls02 rat spyware stealer trojan

Formbook

Formbook payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-12 07:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-12 07:56

Reported

2023-10-12 08:00

Platform

win7-20230831-en

Max time kernel

151s

Max time network

181s

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
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 behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2772 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 2772 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 2772 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 2772 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 2772 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 2772 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 2772 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 1240 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Windows\SysWOW64\svchost.exe
PID 1240 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Windows\SysWOW64\svchost.exe
PID 1240 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Windows\SysWOW64\svchost.exe
PID 1240 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Windows\SysWOW64\svchost.exe
PID 1308 wrote to memory of 2516 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wininit.exe
PID 1308 wrote to memory of 2516 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wininit.exe
PID 1308 wrote to memory of 2516 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wininit.exe
PID 1308 wrote to memory of 2516 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wininit.exe
PID 1308 wrote to memory of 2560 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wscript.exe
PID 1308 wrote to memory of 2560 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wscript.exe
PID 1308 wrote to memory of 2560 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wscript.exe
PID 1308 wrote to memory of 2560 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wscript.exe
PID 2524 wrote to memory of 3020 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2524 wrote to memory of 3020 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2524 wrote to memory of 3020 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2524 wrote to memory of 3020 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe"

C:\Windows\SysWOW64\wscript.exe

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

C:\Windows\SysWOW64\wininit.exe

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

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.cou2m1.com udp

Files

memory/2772-0-0x0000000001310000-0x00000000013AA000-memory.dmp

memory/2772-1-0x0000000074320000-0x0000000074A0E000-memory.dmp

memory/2772-2-0x0000000000290000-0x00000000002D0000-memory.dmp

memory/2772-3-0x0000000074320000-0x0000000074A0E000-memory.dmp

memory/2772-4-0x0000000000290000-0x00000000002D0000-memory.dmp

memory/2772-5-0x0000000000510000-0x0000000000526000-memory.dmp

memory/2772-6-0x0000000000520000-0x0000000000530000-memory.dmp

memory/2772-7-0x0000000000FB0000-0x000000000101E000-memory.dmp

memory/1240-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1240-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1240-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1240-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2772-13-0x0000000074320000-0x0000000074A0E000-memory.dmp

memory/1240-14-0x0000000000960000-0x0000000000C63000-memory.dmp

memory/1240-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1308-18-0x0000000006BC0000-0x0000000006D3F000-memory.dmp

memory/1240-17-0x0000000000180000-0x0000000000194000-memory.dmp

memory/1240-20-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1240-21-0x00000000002C0000-0x00000000002D4000-memory.dmp

memory/1308-23-0x0000000006D40000-0x0000000006EB0000-memory.dmp

memory/1308-24-0x0000000006D40000-0x0000000006EB0000-memory.dmp

memory/2524-26-0x0000000000820000-0x0000000000828000-memory.dmp

memory/2524-25-0x0000000000820000-0x0000000000828000-memory.dmp

memory/2524-27-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/2524-28-0x0000000000830000-0x0000000000B33000-memory.dmp

memory/2524-30-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/2524-31-0x0000000000640000-0x00000000006D3000-memory.dmp

memory/1308-32-0x0000000002A30000-0x0000000002B1F000-memory.dmp

memory/1308-34-0x0000000002A30000-0x0000000002B1F000-memory.dmp

memory/1308-35-0x0000000002A30000-0x0000000002B1F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-12 07:56

Reported

2023-10-12 07:59

Platform

win10v2004-20230915-en

Max time kernel

153s

Max time network

159s

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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3376 set thread context of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 4996 set thread context of 3148 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Windows\Explorer.EXE
PID 4632 set thread context of 3148 N/A C:\Windows\SysWOW64\WWAHost.exe C:\Windows\Explorer.EXE

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A
N/A N/A C:\Windows\SysWOW64\WWAHost.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WWAHost.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3376 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 3376 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 3376 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 3376 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 3376 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 3376 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe
PID 3148 wrote to memory of 4632 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\WWAHost.exe
PID 3148 wrote to memory of 4632 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\WWAHost.exe
PID 3148 wrote to memory of 4632 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\WWAHost.exe
PID 4632 wrote to memory of 2052 N/A C:\Windows\SysWOW64\WWAHost.exe C:\Windows\SysWOW64\cmd.exe
PID 4632 wrote to memory of 2052 N/A C:\Windows\SysWOW64\WWAHost.exe C:\Windows\SysWOW64\cmd.exe
PID 4632 wrote to memory of 2052 N/A C:\Windows\SysWOW64\WWAHost.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.exe"

C:\Windows\SysWOW64\WWAHost.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\Delivery Advice_pdf.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 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 www.bhphub.com udp
US 75.126.104.230:80 www.bhphub.com tcp
US 8.8.8.8:53 230.104.126.75.in-addr.arpa udp
US 8.8.8.8:53 www.loftybud.com udp
US 8.8.8.8:53 107.116.69.13.in-addr.arpa udp

Files

memory/3376-0-0x0000000000D60000-0x0000000000DFA000-memory.dmp

memory/3376-1-0x0000000074810000-0x0000000074FC0000-memory.dmp

memory/3376-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

memory/3376-3-0x00000000057E0000-0x0000000005872000-memory.dmp

memory/3376-4-0x0000000005990000-0x00000000059A0000-memory.dmp

memory/3376-5-0x00000000057C0000-0x00000000057CA000-memory.dmp

memory/3376-6-0x0000000005CE0000-0x0000000005CF6000-memory.dmp

memory/3376-7-0x0000000074810000-0x0000000074FC0000-memory.dmp

memory/3376-8-0x0000000005990000-0x00000000059A0000-memory.dmp

memory/3376-9-0x0000000006D00000-0x0000000006D10000-memory.dmp

memory/3376-10-0x0000000007300000-0x000000000736E000-memory.dmp

memory/3376-11-0x0000000008690000-0x000000000872C000-memory.dmp

memory/4996-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3376-14-0x0000000074810000-0x0000000074FC0000-memory.dmp

memory/4996-15-0x0000000001550000-0x000000000189A000-memory.dmp

memory/4996-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4996-18-0x00000000014F0000-0x0000000001504000-memory.dmp

memory/3148-19-0x00000000089F0000-0x0000000008B89000-memory.dmp

memory/4632-20-0x0000000000830000-0x000000000090C000-memory.dmp

memory/3148-22-0x00000000089F0000-0x0000000008B89000-memory.dmp

memory/4632-23-0x0000000000830000-0x000000000090C000-memory.dmp

memory/4632-25-0x0000000000F80000-0x0000000000FAF000-memory.dmp

memory/4632-26-0x00000000020F0000-0x000000000243A000-memory.dmp

memory/4632-28-0x0000000000F80000-0x0000000000FAF000-memory.dmp

memory/4632-30-0x0000000001FD0000-0x0000000002063000-memory.dmp

memory/3148-31-0x00000000029F0000-0x0000000002A9D000-memory.dmp

memory/3148-32-0x00000000029F0000-0x0000000002A9D000-memory.dmp

memory/3148-34-0x00000000029F0000-0x0000000002A9D000-memory.dmp