formbook | 863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b

Analysis

max time kernel
147s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 12:51

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General

Target

3aY3m96tqMSF6uX.exe
Size

713KB
MD5

e0e2345d91945b57353de7be04535f15
SHA1

2d5ac0274b741d19da82180264f5819ddfd11551
SHA256

863062f983aac165c04b1af4ce761865b4fd734b71de85e0aba00c112febac2b
SHA512

e78122530a09a9b874e5291584ffb4257e34fa1ea3b9f8f1dc54c5fa757de269566e2b07533ae3a7ba6212cd253c399949faaaab8f261ed8952c636d2146cf35
SSDEEP

12288:OC25usx+XtWhK/bACVDNdRBE6teRn6iB6/VN9hogN5AjJeuM5cifib7Qhk:yxg8ClrRa3Rn3BoP/AjO5cK

Score

10^/10

formbook ax19 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ax19

Decoy

nmarklun.biz

eadithere.net

oytromcm.net

6gu536d.shop

hysicsjunction.online

esistivitysensors.net

ealthcare-software-53940.bond

tupid-edsee.cyou

614.lat

agmart.store

lothesthesale.store

ranopen.info

c1v.lat

owflyingbugs.online

undumimmobilien.net

nline-advertising-57252.bond

orktyper.net

kten10.shop

sadeaguia.net

ouseofnormal.party

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2168-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2168-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4224-67-0x00000000012D0000-0x00000000012FF000-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
224	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	3aY3m96tqMSF6uX.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 2168	2096	3aY3m96tqMSF6uX.exe	91
PID 2168 set thread context of 3472	2168	3aY3m96tqMSF6uX.exe	56
PID 4224 set thread context of 3472	4224	rundll32.exe	56

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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3aY3m96tqMSF6uX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
2096	3aY3m96tqMSF6uX.exe
2096	3aY3m96tqMSF6uX.exe
2168	3aY3m96tqMSF6uX.exe
2168	3aY3m96tqMSF6uX.exe
2168	3aY3m96tqMSF6uX.exe
2168	3aY3m96tqMSF6uX.exe
224	powershell.exe
224	powershell.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe
4224	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2168	3aY3m96tqMSF6uX.exe
2168	3aY3m96tqMSF6uX.exe
2168	3aY3m96tqMSF6uX.exe
4224	rundll32.exe
4224	rundll32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	3aY3m96tqMSF6uX.exe
Token: SeDebugPrivilege	2168	3aY3m96tqMSF6uX.exe
Token: SeDebugPrivilege	224	powershell.exe
Token: SeDebugPrivilege	4224	rundll32.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 224	2096	3aY3m96tqMSF6uX.exe	89
PID 2096 wrote to memory of 224	2096	3aY3m96tqMSF6uX.exe	89
PID 2096 wrote to memory of 224	2096	3aY3m96tqMSF6uX.exe	89
PID 2096 wrote to memory of 2168	2096	3aY3m96tqMSF6uX.exe	91
PID 2096 wrote to memory of 2168	2096	3aY3m96tqMSF6uX.exe	91
PID 2096 wrote to memory of 2168	2096	3aY3m96tqMSF6uX.exe	91
PID 2096 wrote to memory of 2168	2096	3aY3m96tqMSF6uX.exe	91
PID 2096 wrote to memory of 2168	2096	3aY3m96tqMSF6uX.exe	91
PID 2096 wrote to memory of 2168	2096	3aY3m96tqMSF6uX.exe	91
PID 3472 wrote to memory of 4224	3472	Explorer.EXE	92
PID 3472 wrote to memory of 4224	3472	Explorer.EXE	92
PID 3472 wrote to memory of 4224	3472	Explorer.EXE	92
PID 4224 wrote to memory of 1140	4224	rundll32.exe	93
PID 4224 wrote to memory of 1140	4224	rundll32.exe	93
PID 4224 wrote to memory of 1140	4224	rundll32.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\3aY3m96tqMSF6uX.exe
  "C:\Users\Admin\AppData\Local\Temp\3aY3m96tqMSF6uX.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:2096
- - 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\3aY3m96tqMSF6uX.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:224
- - C:\Users\Admin\AppData\Local\Temp\3aY3m96tqMSF6uX.exe
    "C:\Users\Admin\AppData\Local\Temp\3aY3m96tqMSF6uX.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2168
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe"
  2⤵
  - 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:4224
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\3aY3m96tqMSF6uX.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1140

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_2yqn052r.aua.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/224-55-0x0000000007A50000-0x0000000007A5A000-memory.dmp

Filesize
40KB

Download
memory/224-54-0x00000000079E0000-0x00000000079FA000-memory.dmp

Filesize
104KB

Download
memory/224-25-0x0000000005970000-0x00000000059D6000-memory.dmp

Filesize
408KB

Download
memory/224-64-0x0000000007D00000-0x0000000007D08000-memory.dmp

Filesize
32KB

Download
memory/224-63-0x0000000007D20000-0x0000000007D3A000-memory.dmp

Filesize
104KB

Download
memory/224-61-0x0000000007C10000-0x0000000007C1E000-memory.dmp

Filesize
56KB

Download
memory/224-57-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

Filesize
68KB

Download
memory/224-56-0x0000000007C60000-0x0000000007CF6000-memory.dmp

Filesize
600KB

Download
memory/224-53-0x0000000008020000-0x000000000869A000-memory.dmp

Filesize
6.5MB

Download
memory/224-52-0x00000000078B0000-0x0000000007953000-memory.dmp

Filesize
652KB

Download
memory/224-51-0x0000000006C70000-0x0000000006C8E000-memory.dmp

Filesize
120KB

Download
memory/224-41-0x0000000002E80000-0x0000000002E90000-memory.dmp

Filesize
64KB

Download
memory/224-40-0x0000000070980000-0x00000000709CC000-memory.dmp

Filesize
304KB

Download
memory/224-19-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/224-39-0x0000000007670000-0x00000000076A2000-memory.dmp

Filesize
200KB

Download
memory/224-31-0x00000000060E0000-0x0000000006434000-memory.dmp

Filesize
3.3MB

Download
memory/224-16-0x0000000002D90000-0x0000000002DC6000-memory.dmp

Filesize
216KB

Download
memory/224-22-0x0000000005AB0000-0x00000000060D8000-memory.dmp

Filesize
6.2MB

Download
memory/224-21-0x0000000002E80000-0x0000000002E90000-memory.dmp

Filesize
64KB

Download
memory/224-37-0x00000000066D0000-0x000000000671C000-memory.dmp

Filesize
304KB

Download
memory/224-23-0x00000000055E0000-0x0000000005602000-memory.dmp

Filesize
136KB

Download
memory/224-24-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/224-36-0x00000000066B0000-0x00000000066CE000-memory.dmp

Filesize
120KB

Download
memory/224-62-0x0000000007C20000-0x0000000007C34000-memory.dmp

Filesize
80KB

Download
memory/224-38-0x000000007FA60000-0x000000007FA70000-memory.dmp

Filesize
64KB

Download
memory/2096-6-0x00000000052F0000-0x000000000538C000-memory.dmp

Filesize
624KB

Download
memory/2096-8-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/2096-9-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/2096-3-0x00000000051A0000-0x0000000005232000-memory.dmp

Filesize
584KB

Download
memory/2096-5-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/2096-13-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/2096-2-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/2096-10-0x0000000007CE0000-0x0000000007D58000-memory.dmp

Filesize
480KB

Download
memory/2096-7-0x0000000005530000-0x0000000005548000-memory.dmp

Filesize
96KB

Download
memory/2096-4-0x0000000005170000-0x000000000517A000-memory.dmp

Filesize
40KB

Download
memory/2096-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/2096-1-0x0000000000800000-0x00000000008B8000-memory.dmp

Filesize
736KB

Download
memory/2168-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2168-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2168-14-0x0000000001930000-0x0000000001C7A000-memory.dmp

Filesize
3.3MB

Download
memory/2168-18-0x00000000015F0000-0x0000000001604000-memory.dmp

Filesize
80KB

Download
memory/3472-68-0x0000000008190000-0x0000000008305000-memory.dmp

Filesize
1.5MB

Download
memory/3472-20-0x0000000008190000-0x0000000008305000-memory.dmp

Filesize
1.5MB

Download
memory/3472-72-0x00000000025C0000-0x00000000026B9000-memory.dmp

Filesize
996KB

Download
memory/4224-58-0x0000000000150000-0x0000000000164000-memory.dmp

Filesize
80KB

Download
memory/4224-60-0x0000000000150000-0x0000000000164000-memory.dmp

Filesize
80KB

Download
memory/4224-67-0x00000000012D0000-0x00000000012FF000-memory.dmp

Filesize
188KB

Download