formbook | 72c5003f5b6107acf6531f3a31681b63825d883b4a51fb44518ac56c80ead0a4

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 12:48

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General

Target

INV#349265.exe
Size

784KB
MD5

d89cd1e76600ab0ce3daa93016995b2a
SHA1

710caa0136a1d5251c23878ddb40f4c6b8c45f9d
SHA256

12af745dd8353b25857dc4bd3d3282f21c960ab55d3dece7e62d7a10a9aae810
SHA512

153cdc07ac45b683bb9e93d053aac3e4e8d3101b07a48c7d81585368c2b2aa3a54e3949a4cf05fe09a9a18d32e385b6ec4746071a571d2e464f862342e0c04b0
SSDEEP

12288:dTvgGThLLQsb16RwqKaKeN3Hd4hsubCcopOQBIyrtBNK/KoohkR:Vvg2LcvRwqKaKoX+hlGp/Blrtv+KP8

Score

10^/10

formbook t94g discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t94g

Decoy

32188.top

mergencyroofrepair656460.online

jkahu.fun

ur4.autos

r0lba4cl0qkaws8.bond

eiliaowang.top

urjav.xyz

kidaman15.click

old-removal-p350.today

levatethismedia.info

h33323s40.top

dormy.click

5406.club

earlofwisdombook.pro

6980.app

ellwood999.biz

otdates.lol

164v.shop

thereal.app

takeget.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3800-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3800-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/60-71-0x0000000000640000-0x000000000066F000-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
5096	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	INV#349265.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4104 set thread context of 3800	4104	INV#349265.exe	86
PID 3800 set thread context of 3428	3800	INV#349265.exe	56
PID 60 set thread context of 3428	60	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	INV#349265.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4104	INV#349265.exe
4104	INV#349265.exe
4104	INV#349265.exe
4104	INV#349265.exe
4104	INV#349265.exe
4104	INV#349265.exe
3800	INV#349265.exe
3800	INV#349265.exe
3800	INV#349265.exe
3800	INV#349265.exe
5096	powershell.exe
5096	powershell.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe
60	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3800	INV#349265.exe
3800	INV#349265.exe
3800	INV#349265.exe
60	rundll32.exe
60	rundll32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4104	INV#349265.exe
Token: SeDebugPrivilege	3800	INV#349265.exe
Token: SeDebugPrivilege	5096	powershell.exe
Token: SeDebugPrivilege	60	rundll32.exe
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 5096	4104	INV#349265.exe	82
PID 4104 wrote to memory of 5096	4104	INV#349265.exe	82
PID 4104 wrote to memory of 5096	4104	INV#349265.exe	82
PID 4104 wrote to memory of 4592	4104	INV#349265.exe	84
PID 4104 wrote to memory of 4592	4104	INV#349265.exe	84
PID 4104 wrote to memory of 4592	4104	INV#349265.exe	84
PID 4104 wrote to memory of 4444	4104	INV#349265.exe	85
PID 4104 wrote to memory of 4444	4104	INV#349265.exe	85
PID 4104 wrote to memory of 4444	4104	INV#349265.exe	85
PID 4104 wrote to memory of 3800	4104	INV#349265.exe	86
PID 4104 wrote to memory of 3800	4104	INV#349265.exe	86
PID 4104 wrote to memory of 3800	4104	INV#349265.exe	86
PID 4104 wrote to memory of 3800	4104	INV#349265.exe	86
PID 4104 wrote to memory of 3800	4104	INV#349265.exe	86
PID 4104 wrote to memory of 3800	4104	INV#349265.exe	86
PID 3428 wrote to memory of 60	3428	Explorer.EXE	87
PID 3428 wrote to memory of 60	3428	Explorer.EXE	87
PID 3428 wrote to memory of 60	3428	Explorer.EXE	87
PID 60 wrote to memory of 1172	60	rundll32.exe	92
PID 60 wrote to memory of 1172	60	rundll32.exe	92
PID 60 wrote to memory of 1172	60	rundll32.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
  "C:\Users\Admin\AppData\Local\Temp\INV#349265.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:4104
- - 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\INV#349265.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5096
- - C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
    "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
    3⤵
    PID:4592
- - C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
    "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
    3⤵
    PID:4444
- - C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
    "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3800
- 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:60
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1172

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yuijyfpc.4dw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/60-61-0x0000000000C90000-0x0000000000CA4000-memory.dmp

Filesize
80KB

Download
memory/60-63-0x0000000000C90000-0x0000000000CA4000-memory.dmp

Filesize
80KB

Download
memory/60-71-0x0000000000640000-0x000000000066F000-memory.dmp

Filesize
188KB

Download
memory/3428-23-0x0000000003270000-0x0000000003380000-memory.dmp

Filesize
1.1MB

Download
memory/3428-72-0x0000000003270000-0x0000000003380000-memory.dmp

Filesize
1.1MB

Download
memory/3428-76-0x00000000086D0000-0x000000000880B000-memory.dmp

Filesize
1.2MB

Download
memory/3800-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3800-21-0x0000000000BF0000-0x0000000000C05000-memory.dmp

Filesize
84KB

Download
memory/3800-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3800-20-0x0000000001080000-0x00000000013CA000-memory.dmp

Filesize
3.3MB

Download
memory/4104-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-10-0x000000000B200000-0x000000000B29C000-memory.dmp

Filesize
624KB

Download
memory/4104-15-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-9-0x0000000004B60000-0x0000000004BD6000-memory.dmp

Filesize
472KB

Download
memory/4104-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-7-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4104-6-0x00000000068F0000-0x000000000690E000-memory.dmp

Filesize
120KB

Download
memory/4104-4-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/4104-3-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/4104-2-0x00000000056A0000-0x0000000005C44000-memory.dmp

Filesize
5.6MB

Download
memory/4104-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4104-1-0x0000000000740000-0x0000000000806000-memory.dmp

Filesize
792KB

Download
memory/5096-36-0x0000000005AE0000-0x0000000005E34000-memory.dmp

Filesize
3.3MB

Download
memory/5096-57-0x0000000007650000-0x00000000076E6000-memory.dmp

Filesize
600KB

Download
memory/5096-26-0x0000000005970000-0x00000000059D6000-memory.dmp

Filesize
408KB

Download
memory/5096-24-0x0000000004FF0000-0x0000000005012000-memory.dmp

Filesize
136KB

Download
memory/5096-37-0x00000000060B0000-0x00000000060CE000-memory.dmp

Filesize
120KB

Download
memory/5096-38-0x0000000006640000-0x000000000668C000-memory.dmp

Filesize
304KB

Download
memory/5096-39-0x000000007F150000-0x000000007F160000-memory.dmp

Filesize
64KB

Download
memory/5096-40-0x0000000007070000-0x00000000070A2000-memory.dmp

Filesize
200KB

Download
memory/5096-41-0x0000000070F00000-0x0000000070F4C000-memory.dmp

Filesize
304KB

Download
memory/5096-52-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/5096-51-0x00000000028E0000-0x00000000028F0000-memory.dmp

Filesize
64KB

Download
memory/5096-53-0x00000000072B0000-0x0000000007353000-memory.dmp

Filesize
652KB

Download
memory/5096-54-0x0000000007A10000-0x000000000808A000-memory.dmp

Filesize
6.5MB

Download
memory/5096-55-0x00000000073D0000-0x00000000073EA000-memory.dmp

Filesize
104KB

Download
memory/5096-56-0x0000000007440000-0x000000000744A000-memory.dmp

Filesize
40KB

Download
memory/5096-25-0x0000000005190000-0x00000000051F6000-memory.dmp

Filesize
408KB

Download
memory/5096-58-0x00000000075D0000-0x00000000075E1000-memory.dmp

Filesize
68KB

Download
memory/5096-59-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/5096-60-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5096-18-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5096-16-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5096-64-0x0000000007600000-0x000000000760E000-memory.dmp

Filesize
56KB

Download
memory/5096-65-0x0000000007610000-0x0000000007624000-memory.dmp

Filesize
80KB

Download
memory/5096-66-0x0000000007710000-0x000000000772A000-memory.dmp

Filesize
104KB

Download
memory/5096-67-0x00000000076F0000-0x00000000076F8000-memory.dmp

Filesize
32KB

Download
memory/5096-70-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5096-17-0x00000000052D0000-0x00000000058F8000-memory.dmp

Filesize
6.2MB

Download
memory/5096-14-0x00000000027B0000-0x00000000027E6000-memory.dmp

Filesize
216KB

Download
memory/5096-13-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download