formbook | 8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c

General

Target

8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.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/2552-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2552-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2032-20-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 2552	2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe	30
PID 2552 set thread context of 1232	2552	svchost.exe	21
PID 2032 set thread context of 1232	2032	NETSTAT.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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2032	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2552	svchost.exe
2552	svchost.exe
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE
2032	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe
2552	svchost.exe
2552	svchost.exe
2552	svchost.exe
2032	NETSTAT.EXE
2032	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	svchost.exe
Token: SeDebugPrivilege	2032	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe
2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe
2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2552	2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe	30
PID 2120 wrote to memory of 2552	2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe	30
PID 2120 wrote to memory of 2552	2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe	30
PID 2120 wrote to memory of 2552	2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe	30
PID 2120 wrote to memory of 2552	2120	8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe	30
PID 1232 wrote to memory of 2032	1232	Explorer.EXE	31
PID 1232 wrote to memory of 2032	1232	Explorer.EXE	31
PID 1232 wrote to memory of 2032	1232	Explorer.EXE	31
PID 1232 wrote to memory of 2032	1232	Explorer.EXE	31
PID 2032 wrote to memory of 1664	2032	NETSTAT.EXE	32
PID 2032 wrote to memory of 1664	2032	NETSTAT.EXE	32
PID 2032 wrote to memory of 1664	2032	NETSTAT.EXE	32
PID 2032 wrote to memory of 1664	2032	NETSTAT.EXE	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe
  "C:\Users\Admin\AppData\Local\Temp\8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.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:2120
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\8485bf03cc8dcae3bbd2a1a7abfb54a91a6590e8f4da85c834c58c9debd4c07c.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2552
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1232-17-0x0000000006CC0000-0x0000000006DAA000-memory.dmp

Filesize
936KB

Download
memory/1232-31-0x0000000006E50000-0x0000000006F83000-memory.dmp

Filesize
1.2MB

Download
memory/1232-28-0x0000000006E50000-0x0000000006F83000-memory.dmp

Filesize
1.2MB

Download
memory/1232-27-0x0000000006E50000-0x0000000006F83000-memory.dmp

Filesize
1.2MB

Download
memory/1232-23-0x0000000006CC0000-0x0000000006DAA000-memory.dmp

Filesize
936KB

Download
memory/2032-18-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download
memory/2032-19-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download
memory/2032-20-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2120-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2552-14-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/2552-15-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2552-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2552-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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