formbook | 13af3ad92eb86c2c95c816ac526b97c78e0aaed46535c61bf363d768bb2cb0c9

Analysis

max time kernel
146s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:05

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General

Target

Factura_855.pdf.exe
Size

214KB
MD5

fbcc50e49a03f6b2469352851fcc0800
SHA1

63f99919354e58010819251556f5ace361b7c390
SHA256

498cbaa02846904c60c9a349f49bc72a046d1cd686d858286f33cfcf39716215
SHA512

d7080f1d75a1f88d56d24da1f8d132625236a6057f5d0571bcac387afa27c2a294983d3df952bea8592812415d4210f4136f5a367b4cf81883e3d487c580b7f7
SSDEEP

6144:HNeZmOQDVfP9e6oAzSI/2Cou2L2YlOPrYbihN:HNlOQZP9e6RzS5c2LZcUU

Score

10^/10

formbook m0r9 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m0r9

Decoy

neekoluldao.com

pandolam.com

homestore.website

inthemoart.com

plubmingcny.com

tsandjsdjproductions.com

bangkok-bars.com

theroganexperience.com

cisneros.media

cxaerfa.xyz

dalafea.online

eppsallen.com

kksm1.com

navega.site

coloradonews.info

rnhues3j.xyz

languageslibrary.com

metapharmacyphuket.net

invisiblelady.com

suculentaycactaceo3d.com

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
behavioral3/memory/2544-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/2544-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/2264-24-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
772	qfmjhb.exe
2544	qfmjhb.exe

Loads dropped DLL 3 IoCs

pid	Process
3044	Factura_855.pdf.exe
3044	Factura_855.pdf.exe
772	qfmjhb.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 772 set thread context of 2544	772	qfmjhb.exe	32
PID 2544 set thread context of 1200	2544	qfmjhb.exe	21
PID 2264 set thread context of 1200	2264	chkdsk.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	Factura_855.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qfmjhb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2544	qfmjhb.exe
2544	qfmjhb.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe
2264	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2544	qfmjhb.exe
2544	qfmjhb.exe
2544	qfmjhb.exe
2264	chkdsk.exe
2264	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	qfmjhb.exe
Token: SeDebugPrivilege	2264	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 772	3044	Factura_855.pdf.exe	30
PID 3044 wrote to memory of 772	3044	Factura_855.pdf.exe	30
PID 3044 wrote to memory of 772	3044	Factura_855.pdf.exe	30
PID 3044 wrote to memory of 772	3044	Factura_855.pdf.exe	30
PID 772 wrote to memory of 2544	772	qfmjhb.exe	32
PID 772 wrote to memory of 2544	772	qfmjhb.exe	32
PID 772 wrote to memory of 2544	772	qfmjhb.exe	32
PID 772 wrote to memory of 2544	772	qfmjhb.exe	32
PID 772 wrote to memory of 2544	772	qfmjhb.exe	32
PID 772 wrote to memory of 2544	772	qfmjhb.exe	32
PID 772 wrote to memory of 2544	772	qfmjhb.exe	32
PID 1200 wrote to memory of 2264	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2264	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2264	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2264	1200	Explorer.EXE	33
PID 2264 wrote to memory of 2860	2264	chkdsk.exe	34
PID 2264 wrote to memory of 2860	2264	chkdsk.exe	34
PID 2264 wrote to memory of 2860	2264	chkdsk.exe	34
PID 2264 wrote to memory of 2860	2264	chkdsk.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Factura_855.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura_855.pdf.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe
    C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe C:\Users\Admin\AppData\Local\Temp\yqmxitinks
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:772
  - - C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe
      C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe C:\Users\Admin\AppData\Local\Temp\yqmxitinks
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2544
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ncbe92xxyz7k26e4s88j

Filesize
184KB

MD5
d55278f3c9ddd6df247d043d0f4d334e

SHA1
2aa2b417aa8897935f5cc77ab8a7617ef8d75861

SHA256
d9f4d5de73452115d9acdccda02398bc5c5a2b4b99d6dc5d8feea4584856cf53

SHA512
1bf4175795d93a4d0c6dc7a7acefb15204558087d9f918ddb3de2caaf2d67fd63785bee2f7a6f3aafa025f7ccafeb4043403dc18728633fd1abab27b6820e732

Download Submit
C:\Users\Admin\AppData\Local\Temp\yqmxitinks

Filesize
5KB

MD5
7c7487f9e5f0a2b42c974896825d06e5

SHA1
d29382ebaae67bf9de891ad00adb795963ef8967

SHA256
dd31e7b319d3acfe238866035e0dfe514fc55efe7343e1e13421dd32d20b8f80

SHA512
913039ce08f36b0664657bcf70b77238656810e96154f890f42daeff7b60cc304751a457b98cf2adacbe701eee27e358487a7be6c4d723c7e39d51bc43fdae9f

Download Submit
\Users\Admin\AppData\Local\Temp\qfmjhb.exe

Filesize
5KB

MD5
d93c0902c13f3f17012c2778fd24b009

SHA1
7ad3d53210ce587d2195545115c9086457a14623

SHA256
0487ed5d2a046ee552e410b5c9b3cf27eb0c3b369fecff3132c58e57eb1c0ad8

SHA512
4cb2d5beb7ed5532819bd96c92000c9e12f145d37cdd2ad4dec3f67ce74107c4a00fb850700015168ef6c2620277c237de3a2c279a99150ed46a3d0b5905fc3a

Download Submit
memory/772-12-0x00000000002E0000-0x00000000002E2000-memory.dmp

Filesize
8KB

Download
memory/1200-19-0x0000000005050000-0x0000000005114000-memory.dmp

Filesize
784KB

Download
memory/1200-25-0x0000000005050000-0x0000000005114000-memory.dmp

Filesize
784KB

Download
memory/1200-30-0x0000000006890000-0x00000000069FF000-memory.dmp

Filesize
1.4MB

Download
memory/1200-31-0x0000000006890000-0x00000000069FF000-memory.dmp

Filesize
1.4MB

Download
memory/1200-33-0x0000000006890000-0x00000000069FF000-memory.dmp

Filesize
1.4MB

Download
memory/2264-22-0x0000000000280000-0x0000000000287000-memory.dmp

Filesize
28KB

Download
memory/2264-23-0x0000000000280000-0x0000000000287000-memory.dmp

Filesize
28KB

Download
memory/2264-24-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/2544-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download