formbook | 3a59a45b9ea6320db9a64910e02ea9d69419977c6dd5841752bae3b4fbbb661c

General

Target

ETA BL PRO987659 FEDHL8998pdf.exe
Size

1.0MB
MD5

36a044e6dd5a64160bed8d90f8cca6d3
SHA1

144e1408da99b2776249ecdb2bcf0bc259a2695c
SHA256

3a59a45b9ea6320db9a64910e02ea9d69419977c6dd5841752bae3b4fbbb661c
SHA512

256b902c0a8770ca51ecc4272e2c063c0d3131ee96c328411bd81851eeeef80126c09cc5e6abd3344b57d486bbb8ff2c2a6cce65d8696e41503e4fcf85e1a994
SSDEEP

24576:0Cdxte/80jYLT3U1jfsWaHQ7GKmkCuUHQ:lw80cTsjkWaHQ7VrCuN

Score

10^/10

formbook bn02 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bn02

Decoy

atoto.online

iberdata.xyz

irinevlerbombaci.xyz

ofas-district.world

ar-loans-35530.bond

heneapolis.city

istapro.shop

lectronics-engineering.cfd

pecoincopilot.xyz

ravelconverter.net

td0t.info

ifestylebonus.pro

v-finance.info

uenstigesofas.today

upiterassistant.xyz

vitance.digital

uperstash.xyz

ursing-home-43203.bond

uefana.biz

inegameyz.digital

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
behavioral1/memory/2988-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2988-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1916-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2988	2848	ETA BL PRO987659 FEDHL8998pdf.exe	30
PID 2988 set thread context of 1196	2988	svchost.exe	21
PID 1916 set thread context of 1196	1916	help.exe	21

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	ETA BL PRO987659 FEDHL8998pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2988	svchost.exe
2988	svchost.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe
1916	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1196	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2848	ETA BL PRO987659 FEDHL8998pdf.exe
2988	svchost.exe
2988	svchost.exe
2988	svchost.exe
1916	help.exe
1916	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	svchost.exe
Token: SeDebugPrivilege	1916	help.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2848	ETA BL PRO987659 FEDHL8998pdf.exe
2848	ETA BL PRO987659 FEDHL8998pdf.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2848	ETA BL PRO987659 FEDHL8998pdf.exe
2848	ETA BL PRO987659 FEDHL8998pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2988	2848	ETA BL PRO987659 FEDHL8998pdf.exe	30
PID 2848 wrote to memory of 2988	2848	ETA BL PRO987659 FEDHL8998pdf.exe	30
PID 2848 wrote to memory of 2988	2848	ETA BL PRO987659 FEDHL8998pdf.exe	30
PID 2848 wrote to memory of 2988	2848	ETA BL PRO987659 FEDHL8998pdf.exe	30
PID 2848 wrote to memory of 2988	2848	ETA BL PRO987659 FEDHL8998pdf.exe	30
PID 1196 wrote to memory of 1916	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1916	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1916	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1916	1196	Explorer.EXE	31
PID 1916 wrote to memory of 2748	1916	help.exe	32
PID 1916 wrote to memory of 2748	1916	help.exe	32
PID 1916 wrote to memory of 2748	1916	help.exe	32
PID 1916 wrote to memory of 2748	1916	help.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\ETA BL PRO987659 FEDHL8998pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\ETA BL PRO987659 FEDHL8998pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\ETA BL PRO987659 FEDHL8998pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2988
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:1916
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2748

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/1196-17-0x0000000005040000-0x0000000005172000-memory.dmp

Filesize
1.2MB

Download
memory/1196-27-0x00000000068A0000-0x00000000069B4000-memory.dmp

Filesize
1.1MB

Download
memory/1196-25-0x00000000068A0000-0x00000000069B4000-memory.dmp

Filesize
1.1MB

Download
memory/1196-24-0x00000000068A0000-0x00000000069B4000-memory.dmp

Filesize
1.1MB

Download
memory/1196-22-0x0000000005040000-0x0000000005172000-memory.dmp

Filesize
1.2MB

Download
memory/1196-14-0x0000000004D90000-0x0000000004E90000-memory.dmp

Filesize
1024KB

Download
memory/1916-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1916-20-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/1916-18-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/2848-10-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2988-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2988-16-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2988-12-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/2988-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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