formbook | 767f55f50dc1e54dc89051cfcf7875d2af6280d742ea0c24516debccf6664461

General

Target

MalwareBazaar.exe
Size

1.1MB
MD5

f669243676d39c9b249440b0fbaa20f1
SHA1

504c020e507873d31baf55b961c4298e47788acc
SHA256

767f55f50dc1e54dc89051cfcf7875d2af6280d742ea0c24516debccf6664461
SHA512

f0736c6be6c0f546836f287165773e25a30586440d09d9c3f815892ac9773b216baf06392bbcbf7cd74b1593a1787a867bf3462d38763954de27de7bc72ba5d1
SSDEEP

24576:MqDEvCTbMWu7rQYlBQcBiT6rprG8aUVWTpRHis:MTvC/MTQYxsWR7aUVWTpc

Score

10^/10

formbook ph01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ph01

Decoy

23888.sbs

zvcj.sbs

raitpourtrait.net

ibraryfarmclub.online

omputercourses123.live

j88.doctor

atsue-color.click

epitalrentgrup.online

rvvpn.lol

i-signals.tech

cr-phoenix.best

frican-safari.online

c-games.zone

oardetest.online

f4md.shop

uke-saaac.buzz

arze.dev

nvestment-services-49610.bond

izatrip.sbs

ameron-paaaa.buzz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1996-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1996-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1996-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2544-26-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 1996	3008	MalwareBazaar.exe	29
PID 1996 set thread context of 1248	1996	svchost.exe	21
PID 1996 set thread context of 1248	1996	svchost.exe	21
PID 2544 set thread context of 1248	2544	NETSTAT.EXE	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	3008	WerFault.exe	28

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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2544	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1996	svchost.exe
1996	svchost.exe
1996	svchost.exe
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE
2544	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3008	MalwareBazaar.exe
1996	svchost.exe
1996	svchost.exe
1996	svchost.exe
1996	svchost.exe
2544	NETSTAT.EXE
2544	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	svchost.exe
Token: SeShutdownPrivilege	1248	Explorer.EXE
Token: SeDebugPrivilege	2544	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3008	MalwareBazaar.exe
3008	MalwareBazaar.exe
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3008	MalwareBazaar.exe
3008	MalwareBazaar.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1996	3008	MalwareBazaar.exe	29
PID 3008 wrote to memory of 1996	3008	MalwareBazaar.exe	29
PID 3008 wrote to memory of 1996	3008	MalwareBazaar.exe	29
PID 3008 wrote to memory of 1996	3008	MalwareBazaar.exe	29
PID 3008 wrote to memory of 1996	3008	MalwareBazaar.exe	29
PID 3008 wrote to memory of 2568	3008	MalwareBazaar.exe	30
PID 3008 wrote to memory of 2568	3008	MalwareBazaar.exe	30
PID 3008 wrote to memory of 2568	3008	MalwareBazaar.exe	30
PID 3008 wrote to memory of 2568	3008	MalwareBazaar.exe	30
PID 1248 wrote to memory of 2544	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2544	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2544	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2544	1248	Explorer.EXE	31
PID 2544 wrote to memory of 2984	2544	NETSTAT.EXE	32
PID 2544 wrote to memory of 2984	2544	NETSTAT.EXE	32
PID 2544 wrote to memory of 2984	2544	NETSTAT.EXE	32
PID 2544 wrote to memory of 2984	2544	NETSTAT.EXE	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.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:3008
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 312
    3⤵
    - Program crash
    PID:2568
- 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:2544
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2984

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/1248-23-0x00000000053C0000-0x000000000547D000-memory.dmp

Filesize
756KB

Download
memory/1248-36-0x00000000069B0000-0x0000000006A71000-memory.dmp

Filesize
772KB

Download
memory/1248-33-0x00000000069B0000-0x0000000006A71000-memory.dmp

Filesize
772KB

Download
memory/1248-17-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1248-31-0x00000000069B0000-0x0000000006A71000-memory.dmp

Filesize
772KB

Download
memory/1248-29-0x00000000053C0000-0x000000000547D000-memory.dmp

Filesize
756KB

Download
memory/1248-18-0x00000000052D0000-0x00000000053BD000-memory.dmp

Filesize
948KB

Download
memory/1248-20-0x00000000052D0000-0x00000000053BD000-memory.dmp

Filesize
948KB

Download
memory/1996-22-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/1996-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-15-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/1996-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-14-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/1996-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-24-0x0000000000CD0000-0x0000000000CD9000-memory.dmp

Filesize
36KB

Download
memory/2544-25-0x0000000000CD0000-0x0000000000CD9000-memory.dmp

Filesize
36KB

Download
memory/2544-26-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/3008-11-0x0000000000250000-0x0000000000254000-memory.dmp

Filesize
16KB

Download

Analysis

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