formbook | 1c7787b9440e1831958e911d164064869f45e254a0a3cdc53d9ef70b1bfc7dd3

Resubmissions

09-11-2024 17:20

241109-vwrrns1pdm 10

09-11-2024 14:21

241109-rnzkrswdpq 10

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 14:21

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General

Target

FEDEX TRN 771893954554.exe
Size

2.2MB
MD5

22b365e10dd635468212251994b194bf
SHA1

069d6d2395ec518d0156b6d02519d3b8e896e5b5
SHA256

7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0
SHA512

fbb27e9c38a6f351edd756b00227c42b98bf08c89c1c85e3b74462a381b61e4347972f373327f540b5744ef661ed0c1b3072b188616d5a5950478720bddefb1b
SSDEEP

24576:iB26eZ4fTPkhZ2PAG0pMn6+YZ8IOxSD68Q81Zr6kNefAd/YK2HzQX9Kub+YSgrBK:Zhhj+EbjDE81R6iY7O

Score

10^/10

formbook oa09 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oa09

Decoy

grit.careers

kingthaivegas.com

onwingirisleri.net

radio-jesus.com

forestfairiesnft.com

healthyintimatelifestyle.africa

karamoghanasti.africa

gqujtf.com

chaindenmark.com

netzerosemitechnologies.co.uk

kakekpecah1000.com

fiddler-foaled.click

adventurepsychologist.com

miletong.net

discounttirestoresinc.com

goldmanmediaent.com

entsorgunglangnau.ch

brezop.xyz

24-02-2022.site

artificialgrassminneapolis.com

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/4936-36-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4936-41-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2592-47-0x0000000001240000-0x000000000126F000-memory.dmp	formbook

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	FEDEX TRN 771893954554.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vmfdofz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Vkqwztiilf\\Vmfdofz.exe\""	FEDEX TRN 771893954554.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3636 set thread context of 4936	3636	FEDEX TRN 771893954554.exe	100
PID 4936 set thread context of 3424	4936	FEDEX TRN 771893954554.exe	56
PID 2592 set thread context of 3424	2592	svchost.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	FEDEX TRN 771893954554.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
1036	powershell.exe
1036	powershell.exe
3636	FEDEX TRN 771893954554.exe
3636	FEDEX TRN 771893954554.exe
4936	FEDEX TRN 771893954554.exe
4936	FEDEX TRN 771893954554.exe
4936	FEDEX TRN 771893954554.exe
4936	FEDEX TRN 771893954554.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4936	FEDEX TRN 771893954554.exe
4936	FEDEX TRN 771893954554.exe
4936	FEDEX TRN 771893954554.exe
2592	svchost.exe
2592	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1036	powershell.exe
Token: SeDebugPrivilege	3636	FEDEX TRN 771893954554.exe
Token: SeDebugPrivilege	4936	FEDEX TRN 771893954554.exe
Token: SeDebugPrivilege	2592	svchost.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 1036	3636	FEDEX TRN 771893954554.exe	86
PID 3636 wrote to memory of 1036	3636	FEDEX TRN 771893954554.exe	86
PID 3636 wrote to memory of 1036	3636	FEDEX TRN 771893954554.exe	86
PID 3636 wrote to memory of 4724	3636	FEDEX TRN 771893954554.exe	99
PID 3636 wrote to memory of 4724	3636	FEDEX TRN 771893954554.exe	99
PID 3636 wrote to memory of 4724	3636	FEDEX TRN 771893954554.exe	99
PID 3636 wrote to memory of 4936	3636	FEDEX TRN 771893954554.exe	100
PID 3636 wrote to memory of 4936	3636	FEDEX TRN 771893954554.exe	100
PID 3636 wrote to memory of 4936	3636	FEDEX TRN 771893954554.exe	100
PID 3636 wrote to memory of 4936	3636	FEDEX TRN 771893954554.exe	100
PID 3636 wrote to memory of 4936	3636	FEDEX TRN 771893954554.exe	100
PID 3636 wrote to memory of 4936	3636	FEDEX TRN 771893954554.exe	100
PID 3424 wrote to memory of 2592	3424	Explorer.EXE	101
PID 3424 wrote to memory of 2592	3424	Explorer.EXE	101
PID 3424 wrote to memory of 2592	3424	Explorer.EXE	101
PID 2592 wrote to memory of 952	2592	svchost.exe	102
PID 2592 wrote to memory of 952	2592	svchost.exe	102
PID 2592 wrote to memory of 952	2592	svchost.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\FEDEX TRN 771893954554.exe
  "C:\Users\Admin\AppData\Local\Temp\FEDEX TRN 771893954554.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1036
- - C:\Users\Admin\AppData\Local\Temp\FEDEX TRN 771893954554.exe
    "C:\Users\Admin\AppData\Local\Temp\FEDEX TRN 771893954554.exe"
    3⤵
    PID:4724
- - C:\Users\Admin\AppData\Local\Temp\FEDEX TRN 771893954554.exe
    "C:\Users\Admin\AppData\Local\Temp\FEDEX TRN 771893954554.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4936
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2592
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\FEDEX TRN 771893954554.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\__PSScriptPolicyTest_wrcn3cq2.boo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1036-24-0x00000000064B0000-0x00000000064CE000-memory.dmp

Filesize
120KB

Download
memory/1036-8-0x0000000002EE0000-0x0000000002F16000-memory.dmp

Filesize
216KB

Download
memory/1036-34-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1036-30-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1036-25-0x0000000006500000-0x000000000654C000-memory.dmp

Filesize
304KB

Download
memory/1036-10-0x0000000005630000-0x0000000005C58000-memory.dmp

Filesize
6.2MB

Download
memory/1036-14-0x0000000005C60000-0x0000000005CC6000-memory.dmp

Filesize
408KB

Download
memory/1036-26-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/1036-9-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1036-27-0x00000000069C0000-0x00000000069DA000-memory.dmp

Filesize
104KB

Download
memory/1036-11-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1036-12-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1036-13-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/2592-47-0x0000000001240000-0x000000000126F000-memory.dmp

Filesize
188KB

Download
memory/2592-46-0x0000000000150000-0x000000000015E000-memory.dmp

Filesize
56KB

Download
memory/2592-44-0x0000000000150000-0x000000000015E000-memory.dmp

Filesize
56KB

Download
memory/3424-52-0x00000000089A0000-0x0000000008AFD000-memory.dmp

Filesize
1.4MB

Download
memory/3424-48-0x0000000007990000-0x0000000007A58000-memory.dmp

Filesize
800KB

Download
memory/3424-43-0x0000000007990000-0x0000000007A58000-memory.dmp

Filesize
800KB

Download
memory/3636-6-0x0000000005E00000-0x0000000005E22000-memory.dmp

Filesize
136KB

Download
memory/3636-2-0x0000000005A40000-0x0000000005B96000-memory.dmp

Filesize
1.3MB

Download
memory/3636-4-0x0000000005D10000-0x0000000005DA2000-memory.dmp

Filesize
584KB

Download
memory/3636-28-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/3636-1-0x0000000000ED0000-0x0000000001112000-memory.dmp

Filesize
2.3MB

Download
memory/3636-29-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/3636-3-0x0000000005CE0000-0x0000000005D14000-memory.dmp

Filesize
208KB

Download
memory/3636-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/3636-5-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/3636-7-0x0000000005E30000-0x0000000006184000-memory.dmp

Filesize
3.3MB

Download
memory/3636-38-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4936-41-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4936-42-0x0000000001970000-0x0000000001984000-memory.dmp

Filesize
80KB

Download
memory/4936-36-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4936-39-0x00000000019C0000-0x0000000001D0A000-memory.dmp

Filesize
3.3MB

Download