formbook | 565a7f6a3dd3f57f948caf481417687eb0140373064502c8293bd103d5a469ef

General

Target

Credit Card & Booking details.exe
Size

1.0MB
MD5

27db728c69c96de67c4ad3863abe33a9
SHA1

5786e68382eb6eec432ca8a3109f61242b4c03d0
SHA256

9e38c0c3c516583da526016c4c6a671c53333d3d156562717db79eac63587522
SHA512

696100874eb5c1e65b81fd704afcae455c0f1d9a896d6050d4f35a7873e921348386c59ed8494fc48aed95bb8390f37026079de7039e2776646aaae4e7844cd2
SSDEEP

6144:TV9VhXLMjb8MUYTygw2CMgAHVoKStnCX7QyKGk8Pu5rcyOREjCGcMdRoYfTgvzzg:erhStC4Gwe1nMdRoYf7rTmeh6ZMGka9

Score

10^/10

formbook t052 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t052

Decoy

ladybug-learning.com

unforgottenstory.com

oldmopaiv.xyz

natashaexim.com

hannahmcelgunn.com

retargetingmachines.info

njoconline.com

unicornlankadelivery.com

giftkerala.com

englishfordoctors.online

schatzilandrvresort.com

brujoisaac.com

basiccampinggear.com

escapees.today

dgyxsy888.com

stevebana.xyz

mimozakebap.com

ezdoff.com

pluumyspalace.com

shaoshanshan.com

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/4328-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4328-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/5104-23-0x00000000009D0000-0x00000000009FE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 836 set thread context of 4328	836	Credit Card & Booking details.exe	100
PID 4328 set thread context of 3476	4328	Credit Card & Booking details.exe	56
PID 5104 set thread context of 3476	5104	rundll32.exe	56

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	Credit Card & Booking details.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 36 IoCs

pid	Process
4328	Credit Card & Booking details.exe
4328	Credit Card & Booking details.exe
4328	Credit Card & Booking details.exe
4328	Credit Card & Booking details.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe
5104	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4328	Credit Card & Booking details.exe
4328	Credit Card & Booking details.exe
4328	Credit Card & Booking details.exe
5104	rundll32.exe
5104	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4328	Credit Card & Booking details.exe
Token: SeDebugPrivilege	5104	rundll32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 4328	836	Credit Card & Booking details.exe	100
PID 836 wrote to memory of 4328	836	Credit Card & Booking details.exe	100
PID 836 wrote to memory of 4328	836	Credit Card & Booking details.exe	100
PID 836 wrote to memory of 4328	836	Credit Card & Booking details.exe	100
PID 836 wrote to memory of 4328	836	Credit Card & Booking details.exe	100
PID 836 wrote to memory of 4328	836	Credit Card & Booking details.exe	100
PID 3476 wrote to memory of 5104	3476	Explorer.EXE	101
PID 3476 wrote to memory of 5104	3476	Explorer.EXE	101
PID 3476 wrote to memory of 5104	3476	Explorer.EXE	101
PID 5104 wrote to memory of 3676	5104	rundll32.exe	102
PID 5104 wrote to memory of 3676	5104	rundll32.exe	102
PID 5104 wrote to memory of 3676	5104	rundll32.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\Credit Card & Booking details.exe
  "C:\Users\Admin\AppData\Local\Temp\Credit Card & Booking details.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Users\Admin\AppData\Local\Temp\Credit Card & Booking details.exe
    "C:\Users\Admin\AppData\Local\Temp\Credit Card & Booking details.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4328
- 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:5104
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Credit Card & Booking details.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/836-8-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/836-2-0x00000000053D0000-0x000000000546C000-memory.dmp

Filesize
624KB

Download
memory/836-9-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/836-10-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/836-4-0x0000000005510000-0x00000000055A2000-memory.dmp

Filesize
584KB

Download
memory/836-5-0x00000000054C0000-0x00000000054CA000-memory.dmp

Filesize
40KB

Download
memory/836-6-0x0000000005760000-0x00000000057B6000-memory.dmp

Filesize
344KB

Download
memory/836-7-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/836-14-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/836-1-0x0000000000910000-0x0000000000A1C000-memory.dmp

Filesize
1.0MB

Download
memory/836-3-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/836-11-0x0000000001400000-0x0000000001462000-memory.dmp

Filesize
392KB

Download
memory/836-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/3476-28-0x0000000002380000-0x000000000243E000-memory.dmp

Filesize
760KB

Download
memory/3476-31-0x0000000002380000-0x000000000243E000-memory.dmp

Filesize
760KB

Download
memory/3476-29-0x0000000002380000-0x000000000243E000-memory.dmp

Filesize
760KB

Download
memory/3476-19-0x0000000008080000-0x0000000008218000-memory.dmp

Filesize
1.6MB

Download
memory/3476-24-0x0000000008080000-0x0000000008218000-memory.dmp

Filesize
1.6MB

Download
memory/4328-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4328-18-0x00000000013B0000-0x00000000013C4000-memory.dmp

Filesize
80KB

Download
memory/4328-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4328-15-0x0000000001420000-0x000000000176A000-memory.dmp

Filesize
3.3MB

Download
memory/5104-22-0x0000000000880000-0x0000000000894000-memory.dmp

Filesize
80KB

Download
memory/5104-23-0x00000000009D0000-0x00000000009FE000-memory.dmp

Filesize
184KB

Download
memory/5104-20-0x0000000000880000-0x0000000000894000-memory.dmp

Filesize
80KB

Download

Analysis

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