Malware Analysis Report

2024-10-23 22:21

Sample ID 240509-frzjdsfb49
Target f49a18388f070afc8f7a17f6053666ba.exe
SHA256 3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
Tags
formbook ht3d 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

3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e

Threat Level: Known bad

The file f49a18388f070afc8f7a17f6053666ba.exe was found to be: Known bad.

Malicious Activity Summary

formbook ht3d 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

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 05:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 05:07

Reported

2024-05-09 05:09

Platform

win7-20240221-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2856 set thread context of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

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\f49a18388f070afc8f7a17f6053666ba.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 2856 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\schtasks.exe
PID 2856 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\schtasks.exe
PID 2856 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\schtasks.exe
PID 2856 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\schtasks.exe
PID 2856 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 2856 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 2856 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 2856 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 2856 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 2856 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 2856 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.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\zNukUlepyAI.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zNukUlepyAI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4A78.tmp"

C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe"

Network

N/A

Files

memory/2856-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

memory/2856-1-0x00000000010E0000-0x000000000119A000-memory.dmp

memory/2856-2-0x0000000074AB0000-0x000000007519E000-memory.dmp

memory/2856-3-0x00000000006C0000-0x00000000006DE000-memory.dmp

memory/2856-4-0x00000000006E0000-0x00000000006F0000-memory.dmp

memory/2856-5-0x0000000000740000-0x0000000000756000-memory.dmp

memory/2856-6-0x0000000007210000-0x0000000007286000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp4A78.tmp

MD5 ca21a5e7b93c2499f1bb2fb40f461e21
SHA1 eebc3468c5e7975c6199fcbddaff8278dcb6aae2
SHA256 67f24b9160aa46d068d1b1cdd20db158ff064a2736de68863a218c22952d80a5
SHA512 3be73bd3329f8129e611c7d302f7eeb184787d97e8173787c651ffeee379b6cec4db458b6453d7e871c18369c9767bb6d7bd4f6a61466443a275431d573ccea5

memory/2292-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2292-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2292-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2292-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2856-18-0x0000000074AB0000-0x000000007519E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 05:07

Reported

2024-05-09 05:09

Platform

win10v2004-20240508-en

Max time kernel

125s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 448 set thread context of 4480 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

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\f49a18388f070afc8f7a17f6053666ba.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 448 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 448 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 448 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 448 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\schtasks.exe
PID 448 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\schtasks.exe
PID 448 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Windows\SysWOW64\schtasks.exe
PID 448 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe
PID 448 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.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 --field-trial-handle=3240,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4336 /prefetch:8

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

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

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zNukUlepyAI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1364.tmp"

C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe"

C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe"

C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.exe

"C:\Users\Admin\AppData\Local\Temp\f49a18388f070afc8f7a17f6053666ba.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
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 137.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/448-0-0x000000007493E000-0x000000007493F000-memory.dmp

memory/448-1-0x00000000006E0000-0x000000000079A000-memory.dmp

memory/448-2-0x0000000007A40000-0x0000000007FE4000-memory.dmp

memory/448-3-0x0000000007530000-0x00000000075C2000-memory.dmp

memory/448-4-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

memory/448-5-0x0000000007870000-0x000000000790C000-memory.dmp

memory/448-6-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/448-7-0x0000000007630000-0x000000000764E000-memory.dmp

memory/448-8-0x0000000007790000-0x00000000077A0000-memory.dmp

memory/448-9-0x0000000007840000-0x0000000007856000-memory.dmp

memory/448-10-0x0000000008B90000-0x0000000008C06000-memory.dmp

memory/4960-15-0x0000000004B60000-0x0000000004B96000-memory.dmp

memory/4960-16-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/4960-17-0x0000000005340000-0x0000000005968000-memory.dmp

memory/4960-18-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/4960-19-0x0000000074930000-0x00000000750E0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp1364.tmp

MD5 d1280c105f30b79317be2be9881f1f52
SHA1 020ac800ced09d88eee3adf8bde329cb3ffe82c3
SHA256 5ad258a6ca0ff194dad68db87c8d48575a43f5c86f009f03f41f05a8a9c593b8
SHA512 6d144502a796d9e9507332a486ffafad20a7fc13b14b88911363561294b1d1ac8ef2a81a7ca9f6154d82d450cdc05c4eaf958d19606958805f0bc6c84f3d6f3c

memory/4960-22-0x0000000005970000-0x00000000059D6000-memory.dmp

memory/4960-23-0x0000000005AE0000-0x0000000005B46000-memory.dmp

memory/4960-21-0x0000000005240000-0x0000000005262000-memory.dmp

memory/4480-25-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2c13ukx1.pwv.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4960-24-0x0000000005B50000-0x0000000005EA4000-memory.dmp

memory/448-36-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/4960-37-0x0000000006110000-0x000000000612E000-memory.dmp

memory/4480-39-0x0000000001030000-0x000000000137A000-memory.dmp

memory/4960-38-0x0000000006140000-0x000000000618C000-memory.dmp

memory/4960-40-0x000000007FB70000-0x000000007FB80000-memory.dmp

memory/4960-41-0x0000000007090000-0x00000000070C2000-memory.dmp

memory/4960-42-0x00000000751C0000-0x000000007520C000-memory.dmp

memory/4960-53-0x0000000004D00000-0x0000000004D10000-memory.dmp

memory/4960-52-0x00000000066C0000-0x00000000066DE000-memory.dmp

memory/4960-54-0x00000000072E0000-0x0000000007383000-memory.dmp

memory/4960-55-0x0000000007A80000-0x00000000080FA000-memory.dmp

memory/4960-56-0x0000000007430000-0x000000000744A000-memory.dmp

memory/4960-57-0x00000000074A0000-0x00000000074AA000-memory.dmp

memory/4960-58-0x00000000076B0000-0x0000000007746000-memory.dmp

memory/4960-59-0x0000000007630000-0x0000000007641000-memory.dmp

memory/4960-60-0x0000000007660000-0x000000000766E000-memory.dmp

memory/4960-61-0x0000000007670000-0x0000000007684000-memory.dmp

memory/4960-62-0x0000000007770000-0x000000000778A000-memory.dmp

memory/4960-63-0x0000000007750000-0x0000000007758000-memory.dmp

memory/4960-65-0x0000000074930000-0x00000000750E0000-memory.dmp