formbook | 8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c

General

Target

Advance Payment Receipt_pdf.exe
Size

1.1MB
MD5

2ba59102c4f4f5316e5946ccd11f9631
SHA1

9809a8ac154c800724854c8918473f780a34f39f
SHA256

8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c
SHA512

d1c50d04c0f08e0caa53a755946b2dc2dec04f6d42dc2d2dda359f5a0c289d541eccc521bcc76b8e1cd9e03e1d043a5a7b711acc5ba85b1e6fe44d1cb1da59b5
SSDEEP

24576:SqDEvCTbMWu7rQYlBQcBiT6rprG8a/c5B135ZPF:STvC/MTQYxsWR7a/sj35Z

Score

10^/10

formbook bi05 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi05

Decoy

ollow-the-bit.online

aopho.autos

14ra567dp.autos

48651301.top

ussian-dating-54714.bond

sychology-degree-80838.bond

lytracker.xyz

strology-forest.sbs

swjbcl3.top

ridgenexttechnologies.partners

lroy.sbs

kyscreen.vip

anhit.live

uckyheart.xyz

orddserials.online

hetune.shop

nherited-traits-ant.bond

stanaslot-1.xyz

sychologist-therapy-36914.bond

iandramonami.net

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
behavioral1/memory/2452-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2452-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2188-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 2452	2292	Advance Payment Receipt_pdf.exe	30
PID 2452 set thread context of 1300	2452	svchost.exe	21
PID 2188 set thread context of 1300	2188	wlanext.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	Advance Payment Receipt_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2452	svchost.exe
2452	svchost.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe
2188	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2292	Advance Payment Receipt_pdf.exe
2452	svchost.exe
2452	svchost.exe
2452	svchost.exe
2188	wlanext.exe
2188	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	svchost.exe
Token: SeDebugPrivilege	2188	wlanext.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2292	Advance Payment Receipt_pdf.exe
2292	Advance Payment Receipt_pdf.exe
1300	Explorer.EXE
1300	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2292	Advance Payment Receipt_pdf.exe
2292	Advance Payment Receipt_pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2452	2292	Advance Payment Receipt_pdf.exe	30
PID 2292 wrote to memory of 2452	2292	Advance Payment Receipt_pdf.exe	30
PID 2292 wrote to memory of 2452	2292	Advance Payment Receipt_pdf.exe	30
PID 2292 wrote to memory of 2452	2292	Advance Payment Receipt_pdf.exe	30
PID 2292 wrote to memory of 2452	2292	Advance Payment Receipt_pdf.exe	30
PID 1300 wrote to memory of 2188	1300	Explorer.EXE	31
PID 1300 wrote to memory of 2188	1300	Explorer.EXE	31
PID 1300 wrote to memory of 2188	1300	Explorer.EXE	31
PID 1300 wrote to memory of 2188	1300	Explorer.EXE	31
PID 2188 wrote to memory of 2640	2188	wlanext.exe	32
PID 2188 wrote to memory of 2640	2188	wlanext.exe	32
PID 2188 wrote to memory of 2640	2188	wlanext.exe	32
PID 2188 wrote to memory of 2640	2188	wlanext.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\Advance Payment Receipt_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Advance Payment Receipt_pdf.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:2292
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Advance Payment Receipt_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2452
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2188
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2640

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/1300-17-0x0000000006520000-0x00000000065F5000-memory.dmp

Filesize
852KB

Download
memory/1300-32-0x0000000007130000-0x0000000007276000-memory.dmp

Filesize
1.3MB

Download
memory/1300-29-0x0000000007130000-0x0000000007276000-memory.dmp

Filesize
1.3MB

Download
memory/1300-28-0x0000000007130000-0x0000000007276000-memory.dmp

Filesize
1.3MB

Download
memory/1300-24-0x0000000006520000-0x00000000065F5000-memory.dmp

Filesize
852KB

Download
memory/2188-20-0x0000000000D80000-0x0000000000D96000-memory.dmp

Filesize
88KB

Download
memory/2188-18-0x0000000000D80000-0x0000000000D96000-memory.dmp

Filesize
88KB

Download
memory/2188-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2292-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2452-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2452-16-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/2452-13-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2452-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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