Malware Analysis Report

2024-10-19 09:33

Sample ID 240510-b35sbsbd7v
Target 93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
SHA256 93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243
Tags
formbook jn17 execution 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

93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243

Threat Level: Known bad

The file 93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe was found to be: Known bad.

Malicious Activity Summary

formbook jn17 execution rat spyware stealer trojan

Formbook

Formbook payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 01:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 01:41

Reported

2024-05-10 01:43

Platform

win7-20240220-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3056 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3056 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3056 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3056 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3056 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\schtasks.exe
PID 3056 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\schtasks.exe
PID 3056 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\schtasks.exe
PID 3056 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\schtasks.exe
PID 3056 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 3056 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe

Processes

C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe

"C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RiILrGgNwcpLS.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RiILrGgNwcpLS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3350.tmp"

C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe

"C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe"

C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe

"C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe"

Network

N/A

Files

memory/3056-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

memory/3056-1-0x0000000000300000-0x00000000003CA000-memory.dmp

memory/3056-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

memory/3056-3-0x0000000000450000-0x0000000000468000-memory.dmp

memory/3056-4-0x00000000005A0000-0x00000000005AE000-memory.dmp

memory/3056-5-0x00000000006B0000-0x00000000006C4000-memory.dmp

memory/3056-6-0x0000000004B20000-0x0000000004B9E000-memory.dmp

memory/3056-7-0x0000000000510000-0x0000000000586000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3350.tmp

MD5 00f931a34942bd6bc7ac645078e424bb
SHA1 824a4207e0bff270eb232237733ff9c1af6e248e
SHA256 f8074e769a2313ceb6e88264164bfcce2ff8c25fee16aaf1b64f10df3133c4e8
SHA512 c3362ab092a1e623ee80f2744efc81a1e34e8e710369052cbe4084b4b3b2834b96814905207ba3f2b8da4c98fc4d8c56bef53460d13ebfcbe554501c2a4a8a8c

memory/2640-20-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2640-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2640-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2640-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3056-21-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 01:41

Reported

2024-05-10 01:43

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2280 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2280 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2280 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2280 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\schtasks.exe
PID 2280 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\schtasks.exe
PID 2280 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Windows\SysWOW64\schtasks.exe
PID 2280 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 2280 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 2280 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 2280 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 2280 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe
PID 2280 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe

Processes

C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe

"C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RiILrGgNwcpLS.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RiILrGgNwcpLS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp"

C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe

"C:\Users\Admin\AppData\Local\Temp\93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
BE 2.17.196.177:443 www.bing.com tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 177.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp

Files

memory/2280-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

memory/2280-1-0x0000000000240000-0x000000000030A000-memory.dmp

memory/2280-2-0x0000000005270000-0x0000000005814000-memory.dmp

memory/2280-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

memory/2280-4-0x0000000004D10000-0x0000000004D1A000-memory.dmp

memory/2280-5-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/2280-6-0x0000000005070000-0x0000000005088000-memory.dmp

memory/2280-7-0x00000000050B0000-0x00000000050BE000-memory.dmp

memory/2280-8-0x0000000005240000-0x0000000005254000-memory.dmp

memory/2280-9-0x00000000062B0000-0x000000000632E000-memory.dmp

memory/2280-10-0x00000000046E0000-0x0000000004756000-memory.dmp

memory/2280-11-0x0000000008800000-0x000000000889C000-memory.dmp

memory/1036-16-0x00000000028F0000-0x0000000002926000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp

MD5 558e412d651a2e20025fae9391398f05
SHA1 8d8e0e59e58ae866cd30bae8f3dec78c2ea69a3d
SHA256 67bde5a04b22b278875187d2c778e46c3ba3c4a21b28a79a2b60d9edbee4f903
SHA512 189a68da8c411c502ac2e79748fd0ea8e5f72d44e57111931f3a89580b298283baeaec8c428170b7da545b66c5fd83fac6b2ea71564247f8f5308d991b5f9dd8

memory/1036-19-0x00000000055A0000-0x0000000005BC8000-memory.dmp

memory/1036-18-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/1036-20-0x0000000005250000-0x0000000005272000-memory.dmp

memory/1036-22-0x00000000053D0000-0x0000000005436000-memory.dmp

memory/1036-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/1036-21-0x00000000052F0000-0x0000000005356000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4almoays.5ol.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1592-36-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2280-38-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/1036-35-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/1592-40-0x0000000000EA0000-0x00000000011EA000-memory.dmp

memory/1036-33-0x0000000005C00000-0x0000000005F54000-memory.dmp

memory/1036-41-0x0000000006200000-0x000000000621E000-memory.dmp

memory/1036-42-0x0000000006540000-0x000000000658C000-memory.dmp

memory/1036-43-0x000000007FBE0000-0x000000007FBF0000-memory.dmp

memory/1036-44-0x00000000067C0000-0x00000000067F2000-memory.dmp

memory/1036-45-0x0000000075730000-0x000000007577C000-memory.dmp

memory/1036-55-0x00000000071F0000-0x000000000720E000-memory.dmp

memory/1036-56-0x0000000007210000-0x00000000072B3000-memory.dmp

memory/1036-57-0x0000000007B90000-0x000000000820A000-memory.dmp

memory/1036-58-0x0000000007540000-0x000000000755A000-memory.dmp

memory/1036-59-0x00000000075C0000-0x00000000075CA000-memory.dmp

memory/1036-60-0x00000000077C0000-0x0000000007856000-memory.dmp

memory/1036-61-0x0000000007740000-0x0000000007751000-memory.dmp

memory/1036-62-0x0000000007770000-0x000000000777E000-memory.dmp

memory/1036-63-0x0000000007780000-0x0000000007794000-memory.dmp

memory/1036-64-0x0000000007880000-0x000000000789A000-memory.dmp

memory/1036-65-0x0000000007860000-0x0000000007868000-memory.dmp

memory/1036-68-0x0000000074EA0000-0x0000000075650000-memory.dmp