formbook | f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66

General

Target

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
Size

1.0MB
MD5

a44cd4afa52a450fa94c656b8d760339
SHA1

09e74273689360524e0afb2f394675d6753867b4
SHA256

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66
SHA512

a9e244674485d5d54efd79156c893b375f6a183404225520fb9ac501cd1fd8a99dd6faee6ce777a77996b6106bea91dbba0cc56b7ebf9af9bf8a6f1cb909d833
SSDEEP

24576:3AHnh+eWsN3skA4RV1Hom2KXMmHaGNrTAVTZN6EP5:qh+ZkldoPK8YaGx+24

Score

10^/10

formbook ma28 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ma28

Decoy

orth.monster

5970.pizza

oinayangi.net

usiness-funding-48965.bond

uttere.buzz

raumainformed.xyz

amewith.today

hetangosalon.net

irewoodprice168.shop

commerce-96305.bond

3107.loan

uohan.tech

agakaw.website

fricaduka.store

ecga.info

arehouse-inventory-27582.bond

itchen-design-87997.bond

eishahousesteaksushi.shop

liopew.xyz

4769.pizza

Signatures

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

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2244-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2244-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exesvchost.exe

description	pid	Process	procid_target
PID 2452 set thread context of 2244	2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	30
PID 2244 set thread context of 1180	2244	svchost.exe	21

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2400	2892	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exemsiexec.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.exe

pid	Process
2244	svchost.exe
2244	svchost.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exesvchost.exe

pid	Process
2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

svchost.exeExplorer.EXE

description	pid	Process
Token: SeDebugPrivilege	2244	svchost.exe
Token: SeShutdownPrivilege	1180	Explorer.EXE
Token: SeShutdownPrivilege	1180	Explorer.EXE
Token: SeShutdownPrivilege	1180	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exeExplorer.EXE

pid	Process
2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
1180	Explorer.EXE
1180	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe

pid	Process
2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exeExplorer.EXEmsiexec.exe

description	pid	Process	procid_target
PID 2452 wrote to memory of 2244	2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	30
PID 2452 wrote to memory of 2244	2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	30
PID 2452 wrote to memory of 2244	2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	30
PID 2452 wrote to memory of 2244	2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	30
PID 2452 wrote to memory of 2244	2452	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	30
PID 1180 wrote to memory of 2892	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2892	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2892	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2892	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2892	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2892	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2892	1180	Explorer.EXE	31
PID 2892 wrote to memory of 2400	2892	msiexec.exe	33
PID 2892 wrote to memory of 2400	2892	msiexec.exe	33
PID 2892 wrote to memory of 2400	2892	msiexec.exe	33
PID 2892 wrote to memory of 2400	2892	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
  "C:\Users\Admin\AppData\Local\Temp\f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.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:2452
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2244
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 268
    3⤵
    - Program crash
    PID:2400

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

Loading Replay Monitor...

Downloads

memory/1180-11-0x0000000003B90000-0x0000000003C90000-memory.dmp

Filesize
1024KB

Download
memory/1180-12-0x00000000065C0000-0x0000000006703000-memory.dmp

Filesize
1.3MB

Download
memory/1180-19-0x00000000065C0000-0x0000000006703000-memory.dmp

Filesize
1.3MB

Download
memory/2244-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2244-7-0x0000000000B60000-0x0000000000E63000-memory.dmp

Filesize
3.0MB

Download
memory/2244-10-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2244-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2452-5-0x00000000001A0000-0x00000000001A4000-memory.dmp

Filesize
16KB

Download
memory/2892-14-0x00000000009E0000-0x00000000009F4000-memory.dmp

Filesize
80KB

Download
memory/2892-13-0x00000000009E0000-0x00000000009F4000-memory.dmp

Filesize
80KB

Download
memory/2892-16-0x00000000009E0000-0x00000000009F4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads