formbook | 000fbb9379bdda21b13785e8c7ec32db8ecf29ad381b5da61105c0ba52f422bc

Analysis

max time kernel
93s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 14:10

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General

Target

607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
Size

409KB
MD5

2117808b6a0ded968c7f8f05c44e928a
SHA1

d165b25231a02318f183544701ff88663cf33810
SHA256

607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f
SHA512

0b5ecb350af8c014e3663604880c86c232cf20e980f59dec8a47e68b6ccbae41ec519723e525f0f8defdd3b37604675b6086f17f7a44c83eeb7e11ea0a7ac88a
SSDEEP

12288:40l2MJpjoRafuVY6t9Mawdbi/vI+mvJ2:4utoRzyKVwyvbmR

Score

10^/10

formbook zymg discovery execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

zymg

Decoy

1656heidorn.info

hnsymedical.com

annetteworkstars.com

nepgdivv.icu

shiboguangong.com

ribbondev.com

thegadgetheaven.com

aggtekstil.com

smoprogramme.com

gapmcs.com

alqaedestate.xyz

scottbruce.info

abilitytoachieve.online

cristamacd.com

itekapp.com

djretro.site

radiodigitalgroup.com

realestatelawyersacramento.com

retirocard.com

packshotanimation.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/5692-1861-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 2 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\notapad = "\"C:\\Users\\Admin\\AppData\\Roaming\\notapad.exe\""	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5760	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4056 set thread context of 5692	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	100

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 3 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	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
5692	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
5692	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
5760	powershell.exe
5760	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
Token: SeDebugPrivilege	5760	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4056 wrote to memory of 5660	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	99
PID 4056 wrote to memory of 5660	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	99
PID 4056 wrote to memory of 5660	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	99
PID 4056 wrote to memory of 5692	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	100
PID 4056 wrote to memory of 5692	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	100
PID 4056 wrote to memory of 5692	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	100
PID 4056 wrote to memory of 5692	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	100
PID 4056 wrote to memory of 5692	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	100
PID 4056 wrote to memory of 5692	4056	607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe	100
PID 5660 wrote to memory of 5760	5660	WScript.exe	101
PID 5660 wrote to memory of 5760	5660	WScript.exe	101
PID 5660 wrote to memory of 5760	5660	WScript.exe	101

C:\Users\Admin\AppData\Local\Temp\607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
"C:\Users\Admin\AppData\Local\Temp\607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4056
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Fcfawtnttqigza.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5660
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\notapad.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5760
- C:\Users\Admin\AppData\Local\Temp\607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
  C:\Users\Admin\AppData\Local\Temp\607995b16cd6300fde94e5613d5c708331f0e7b2b91ea6210a0f6b3a5cbdf64f.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\_Fcfawtnttqigza.vbs

Filesize
137B

MD5
ab51ffae3c1beb809f59646481b495fc

SHA1
b6e9d6ef0c4265b77442b3cab8e0fc7c95714df1

SHA256
afed9764da68b96f87efc1e26726033d19eb8b83eb9eaf288295fb19e7cb4237

SHA512
086acbefa580ad7c058aa1da05549d49eb1d58cfd5c4020d092550ca52f1a374ab4342a397b8a998fb4708621da344f204c505661dacf0edf37b224c8809dabf

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gxtvx2ng.j50.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4056-26-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-13-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-4-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

Filesize
40KB

Download
memory/4056-5-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4056-6-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/4056-21-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-8-0x00000000062A0000-0x00000000062FE000-memory.dmp

Filesize
376KB

Download
memory/4056-9-0x0000000006380000-0x00000000063F6000-memory.dmp

Filesize
472KB

Download
memory/4056-10-0x0000000006320000-0x000000000633E000-memory.dmp

Filesize
120KB

Download
memory/4056-11-0x0000000006690000-0x00000000066F6000-memory.dmp

Filesize
408KB

Download
memory/4056-57-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-75-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-73-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-71-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-69-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-67-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-65-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-63-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-61-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-59-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-55-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-53-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-51-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-49-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-47-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-45-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-43-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-41-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-39-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-37-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-35-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-33-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-29-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-27-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/4056-23-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-7-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4056-19-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4056-31-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-15-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-17-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-12-0x0000000006690000-0x00000000066F0000-memory.dmp

Filesize
384KB

Download
memory/4056-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/4056-1-0x0000000000550000-0x00000000005BC000-memory.dmp

Filesize
432KB

Download
memory/4056-1862-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5692-1861-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5692-1863-0x0000000000F50000-0x000000000129A000-memory.dmp

Filesize
3.3MB

Download
memory/5760-1904-0x0000000007790000-0x00000000077AA000-memory.dmp

Filesize
104KB

Download
memory/5760-1865-0x0000000002830000-0x0000000002866000-memory.dmp

Filesize
216KB

Download
memory/5760-1885-0x0000000070C60000-0x0000000070CAC000-memory.dmp

Filesize
304KB

Download
memory/5760-1868-0x0000000005380000-0x00000000059A8000-memory.dmp

Filesize
6.2MB

Download
memory/5760-1895-0x00000000072E0000-0x00000000072FE000-memory.dmp

Filesize
120KB

Download
memory/5760-1874-0x00000000059B0000-0x00000000059D2000-memory.dmp

Filesize
136KB

Download
memory/5760-1880-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/5760-1896-0x0000000007310000-0x00000000073B3000-memory.dmp

Filesize
652KB

Download
memory/5760-1881-0x0000000005CE0000-0x0000000006034000-memory.dmp

Filesize
3.3MB

Download
memory/5760-1908-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/5760-1864-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/5760-1897-0x0000000007A90000-0x000000000810A000-memory.dmp

Filesize
6.5MB

Download
memory/5760-1867-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/5760-1866-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/5760-1879-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/5760-1884-0x00000000066F0000-0x0000000006722000-memory.dmp

Filesize
200KB

Download
memory/5760-1898-0x0000000007440000-0x000000000745A000-memory.dmp

Filesize
104KB

Download
memory/5760-1899-0x00000000074B0000-0x00000000074BA000-memory.dmp

Filesize
40KB

Download
memory/5760-1900-0x00000000076D0000-0x0000000007766000-memory.dmp

Filesize
600KB

Download
memory/5760-1901-0x0000000007640000-0x0000000007651000-memory.dmp

Filesize
68KB

Download
memory/5760-1902-0x0000000007670000-0x000000000767E000-memory.dmp

Filesize
56KB

Download
memory/5760-1903-0x0000000007680000-0x0000000007694000-memory.dmp

Filesize
80KB

Download
memory/5760-1883-0x00000000061A0000-0x00000000061EC000-memory.dmp

Filesize
304KB

Download
memory/5760-1905-0x00000000076C0000-0x00000000076C8000-memory.dmp

Filesize
32KB

Download
memory/5760-1882-0x0000000006100000-0x000000000611E000-memory.dmp

Filesize
120KB

Download