Malware Analysis Report

2024-10-19 09:33

Sample ID 240509-kep7eahb7v
Target 0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
SHA256 0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e

Threat Level: Known bad

The file 0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.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

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 08:31

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 08:31

Reported

2024-05-09 08:33

Platform

win10v2004-20240226-en

Max time kernel

113s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.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 2148 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2148 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2148 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2148 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\schtasks.exe
PID 2148 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\schtasks.exe
PID 2148 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\schtasks.exe
PID 2148 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2148 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2148 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2148 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2148 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2148 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe

"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.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\mIsRPVu.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mIsRPVu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5DAB.tmp"

C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe

"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
GB 216.58.201.106:443 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 208.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/2148-0-0x000000007491E000-0x000000007491F000-memory.dmp

memory/2148-1-0x00000000003D0000-0x0000000000474000-memory.dmp

memory/2148-2-0x00000000053A0000-0x0000000005944000-memory.dmp

memory/2148-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

memory/2148-4-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/2148-5-0x0000000004F30000-0x0000000004F3A000-memory.dmp

memory/2148-6-0x0000000004FE0000-0x0000000004FFE000-memory.dmp

memory/2148-7-0x00000000052A0000-0x00000000052B0000-memory.dmp

memory/2148-8-0x0000000006970000-0x0000000006986000-memory.dmp

memory/2148-9-0x0000000006C40000-0x0000000006CB6000-memory.dmp

memory/2148-10-0x00000000092E0000-0x000000000937C000-memory.dmp

memory/2148-14-0x000000007491E000-0x000000007491F000-memory.dmp

memory/2148-15-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1212-17-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1212-18-0x0000000002810000-0x0000000002846000-memory.dmp

memory/1212-19-0x0000000074910000-0x00000000750C0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp5DAB.tmp

MD5 4c73811e2c771144fe5495f079f02f4e
SHA1 d622478bfca5c8dd3e3f82d3aa9a8b36d8c77f1b
SHA256 e03013d29da678a8a6afc0ea385eaad06543c683f63b49c77e33c932e9c83f9b
SHA512 d9f7deb80dd9fc27c69f7290985f65ec8991e838065b762bc45b1d5560308c2e058d50421e56068b7ba2496e52da29fd5564d5b9cc9bd8029448ada9b1edcbfe

memory/1212-21-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1720-22-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1212-24-0x00000000053B0000-0x00000000059D8000-memory.dmp

memory/2148-25-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1720-26-0x0000000001730000-0x0000000001A7A000-memory.dmp

memory/1212-27-0x0000000005080000-0x00000000050A2000-memory.dmp

memory/1212-28-0x0000000005120000-0x0000000005186000-memory.dmp

memory/1212-29-0x0000000005340000-0x00000000053A6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nn1np1tt.poe.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1212-39-0x0000000005CA0000-0x0000000005FF4000-memory.dmp

memory/1212-40-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1212-41-0x0000000006150000-0x000000000616E000-memory.dmp

memory/1212-42-0x0000000006250000-0x000000000629C000-memory.dmp

memory/1212-44-0x0000000004D70000-0x0000000004D80000-memory.dmp

memory/1212-43-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1212-45-0x000000007F650000-0x000000007F660000-memory.dmp

memory/1212-46-0x00000000067A0000-0x00000000067D2000-memory.dmp

memory/1212-47-0x00000000711D0000-0x000000007121C000-memory.dmp

memory/1212-57-0x0000000006780000-0x000000000679E000-memory.dmp

memory/1212-58-0x00000000071D0000-0x0000000007273000-memory.dmp

memory/1212-59-0x0000000007B40000-0x00000000081BA000-memory.dmp

memory/1212-60-0x0000000007500000-0x000000000751A000-memory.dmp

memory/1212-61-0x0000000007570000-0x000000000757A000-memory.dmp

memory/1212-62-0x0000000007760000-0x00000000077F6000-memory.dmp

memory/1212-63-0x0000000007700000-0x0000000007711000-memory.dmp

memory/1212-64-0x0000000007740000-0x000000000774E000-memory.dmp

memory/1212-65-0x0000000007800000-0x0000000007814000-memory.dmp

memory/1212-66-0x0000000007840000-0x000000000785A000-memory.dmp

memory/1212-67-0x0000000007820000-0x0000000007828000-memory.dmp

memory/1212-70-0x0000000074910000-0x00000000750C0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 08:31

Reported

2024-05-09 08:33

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.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\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.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 2164 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2164 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2164 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2164 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2164 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\schtasks.exe
PID 2164 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\schtasks.exe
PID 2164 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\schtasks.exe
PID 2164 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Windows\SysWOW64\schtasks.exe
PID 2164 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
PID 2164 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe

"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.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\mIsRPVu.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mIsRPVu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48C3.tmp"

C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe

"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe"

C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe

"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe"

Network

N/A

Files

memory/2164-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

memory/2164-1-0x00000000001E0000-0x0000000000284000-memory.dmp

memory/2164-2-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2164-3-0x0000000000420000-0x000000000043E000-memory.dmp

memory/2164-4-0x0000000000460000-0x0000000000470000-memory.dmp

memory/2164-5-0x0000000000470000-0x0000000000486000-memory.dmp

memory/2164-6-0x0000000004F10000-0x0000000004F86000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp48C3.tmp

MD5 d776dea239552a86c07ad817ec58ff1c
SHA1 cf6df5153866408bd0fa1cd5a0713ccfe275eece
SHA256 e3e2b3dbe46478a2cb9f444eec26c877b8b0db9819765222c7618f5397820926
SHA512 cde1002007b77ef809b361cd6e67c3f055eaec08c8145f734d5311896aaf3bf6c37757c1f8b35851624c6cc664fc51d3a6a7cb59d9d3b122ffd64fa586aa7f7b

memory/2456-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2456-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2456-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2456-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2164-20-0x0000000074C90000-0x000000007537E000-memory.dmp