formbook | c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 02:40

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General

Target

c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
Size

698KB
MD5

37deb8c1285c7787fe88a51b5064a435
SHA1

e1b6a0133717759f4eff3072b3930996004df498
SHA256

c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626
SHA512

178bad353bf4b837a743f972bde48a357a48c0d747a5ea23294030811eef60f5fac02a3f0cfe7c50e27a2d0eaeb9f3144ecd8aeb6c3684cae8acbf5782c7521e
SSDEEP

12288:aGZKzvFdBKYvI8TNmO6y4l22pStzZrwV7FD+j6o7jTFUNPkR:EdO6NN74lj8zRwV7AXnFUNK

Score

10^/10

formbook m49z discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m49z

Decoy

ormswarm.xyz

awn-care-63587.bond

uymetanail5.online

mergencyloan007.xyz

545.top

eiliao596.pro

ackersandmoverschennai.net

ehdiahmadvandmusicbest.click

tlgxmb2024.cloud

ulfcoastharborhopper.pro

rohns-disease-early-signs.today

oldenhorizonsbgcl.click

weetindulgencepro.xyz

yexoiup.xyz

yself-solar.net

kfirsatimla.online

bropub3.online

ouljourney.online

usvf76f.shop

onnaberich.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2916-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2916-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2916-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2000-72-0x0000000000390000-0x00000000003BF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4556	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4824 set thread context of 2916	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	97
PID 2916 set thread context of 3256	2916	RegSvcs.exe	55
PID 2916 set thread context of 3256	2916	RegSvcs.exe	55
PID 2000 set thread context of 3256	2000	wscript.exe	55

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
2916	RegSvcs.exe
2916	RegSvcs.exe
2916	RegSvcs.exe
2916	RegSvcs.exe
4556	powershell.exe
4556	powershell.exe
2916	RegSvcs.exe
2916	RegSvcs.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe
2000	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2916	RegSvcs.exe
2916	RegSvcs.exe
2916	RegSvcs.exe
2916	RegSvcs.exe
2000	wscript.exe
2000	wscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
Token: SeDebugPrivilege	2916	RegSvcs.exe
Token: SeDebugPrivilege	4556	powershell.exe
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE
Token: SeDebugPrivilege	2000	wscript.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3256	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 4556	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	94
PID 4824 wrote to memory of 4556	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	94
PID 4824 wrote to memory of 4556	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	94
PID 4824 wrote to memory of 1648	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	96
PID 4824 wrote to memory of 1648	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	96
PID 4824 wrote to memory of 1648	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	96
PID 4824 wrote to memory of 2916	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	97
PID 4824 wrote to memory of 2916	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	97
PID 4824 wrote to memory of 2916	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	97
PID 4824 wrote to memory of 2916	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	97
PID 4824 wrote to memory of 2916	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	97
PID 4824 wrote to memory of 2916	4824	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	97
PID 2916 wrote to memory of 2000	2916	RegSvcs.exe	98
PID 2916 wrote to memory of 2000	2916	RegSvcs.exe	98
PID 2916 wrote to memory of 2000	2916	RegSvcs.exe	98
PID 2000 wrote to memory of 5020	2000	wscript.exe	99
PID 2000 wrote to memory of 5020	2000	wscript.exe	99
PID 2000 wrote to memory of 5020	2000	wscript.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3256
- C:\Users\Admin\AppData\Local\Temp\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
  "C:\Users\Admin\AppData\Local\Temp\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4824
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4556
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2916
  - - C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2000
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:5020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dcvxj2f1.nfx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2000-71-0x0000000000940000-0x0000000000967000-memory.dmp

Filesize
156KB

Download
memory/2000-70-0x0000000000940000-0x0000000000967000-memory.dmp

Filesize
156KB

Download
memory/2000-72-0x0000000000390000-0x00000000003BF000-memory.dmp

Filesize
188KB

Download
memory/2916-66-0x0000000003560000-0x0000000003574000-memory.dmp

Filesize
80KB

Download
memory/2916-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2916-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2916-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2916-18-0x0000000001380000-0x0000000001394000-memory.dmp

Filesize
80KB

Download
memory/2916-14-0x00000000017E0000-0x0000000001B2A000-memory.dmp

Filesize
3.3MB

Download
memory/3256-73-0x000000000ABC0000-0x000000000ACFC000-memory.dmp

Filesize
1.2MB

Download
memory/3256-20-0x0000000008810000-0x0000000008906000-memory.dmp

Filesize
984KB

Download
memory/3256-69-0x000000000ABC0000-0x000000000ACFC000-memory.dmp

Filesize
1.2MB

Download
memory/3256-68-0x0000000008810000-0x0000000008906000-memory.dmp

Filesize
984KB

Download
memory/3256-76-0x000000000AD00000-0x000000000AE57000-memory.dmp

Filesize
1.3MB

Download
memory/4556-32-0x0000000005E90000-0x00000000061E4000-memory.dmp

Filesize
3.3MB

Download
memory/4556-53-0x0000000007670000-0x0000000007713000-memory.dmp

Filesize
652KB

Download
memory/4556-19-0x00000000751EE000-0x00000000751EF000-memory.dmp

Filesize
4KB

Download
memory/4556-22-0x0000000002B20000-0x0000000002B30000-memory.dmp

Filesize
64KB

Download
memory/4556-16-0x0000000002B70000-0x0000000002BA6000-memory.dmp

Filesize
216KB

Download
memory/4556-62-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

Filesize
32KB

Download
memory/4556-23-0x0000000005610000-0x0000000005C38000-memory.dmp

Filesize
6.2MB

Download
memory/4556-31-0x0000000005E20000-0x0000000005E86000-memory.dmp

Filesize
408KB

Download
memory/4556-61-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/4556-25-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/4556-24-0x00000000055D0000-0x00000000055F2000-memory.dmp

Filesize
136KB

Download
memory/4556-60-0x00000000079D0000-0x00000000079E4000-memory.dmp

Filesize
80KB

Download
memory/4556-37-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/4556-38-0x00000000064A0000-0x00000000064EC000-memory.dmp

Filesize
304KB

Download
memory/4556-39-0x000000007F7B0000-0x000000007F7C0000-memory.dmp

Filesize
64KB

Download
memory/4556-40-0x0000000007430000-0x0000000007462000-memory.dmp

Filesize
200KB

Download
memory/4556-41-0x0000000071000000-0x000000007104C000-memory.dmp

Filesize
304KB

Download
memory/4556-42-0x0000000002B20000-0x0000000002B30000-memory.dmp

Filesize
64KB

Download
memory/4556-52-0x0000000006A30000-0x0000000006A4E000-memory.dmp

Filesize
120KB

Download
memory/4556-21-0x0000000002B20000-0x0000000002B30000-memory.dmp

Filesize
64KB

Download
memory/4556-54-0x0000000007DE0000-0x000000000845A000-memory.dmp

Filesize
6.5MB

Download
memory/4556-55-0x0000000007790000-0x00000000077AA000-memory.dmp

Filesize
104KB

Download
memory/4556-56-0x0000000007810000-0x000000000781A000-memory.dmp

Filesize
40KB

Download
memory/4556-57-0x0000000007A10000-0x0000000007AA6000-memory.dmp

Filesize
600KB

Download
memory/4556-58-0x0000000007990000-0x00000000079A1000-memory.dmp

Filesize
68KB

Download
memory/4556-59-0x00000000079C0000-0x00000000079CE000-memory.dmp

Filesize
56KB

Download
memory/4824-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4824-10-0x00000000060A0000-0x000000000613C000-memory.dmp

Filesize
624KB

Download
memory/4824-13-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4824-9-0x0000000005E20000-0x0000000005E96000-memory.dmp

Filesize
472KB

Download
memory/4824-8-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4824-7-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4824-6-0x0000000007910000-0x0000000007928000-memory.dmp

Filesize
96KB

Download
memory/4824-5-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4824-4-0x0000000004C60000-0x0000000004C6A000-memory.dmp

Filesize
40KB

Download
memory/4824-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

Filesize
584KB

Download
memory/4824-2-0x0000000005270000-0x0000000005814000-memory.dmp

Filesize
5.6MB

Download
memory/4824-1-0x0000000000120000-0x00000000001D0000-memory.dmp

Filesize
704KB

Download