formbook | 419de44087b42e1b0a3dbd07b1f58c4d70559760c555c3b26f647ce70fcc40a4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:46

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General

Target

dufjl.exe
Size

6KB
MD5

74cbafe65a6f4de0cca11172f174b1fd
SHA1

515a076a1f3e5ea4290024e8d17a01df8b7569ce
SHA256

36c72fdce14ac0b58ca33cc96891c957e819aef91e0fb9ae0ada132105326df0
SHA512

0e7bb057721a2317fabfa520a6fac65be461c8ff5f6845a15b04b8914016ab1dcc4ecdc3f7a91c3ce1d4b59b88991e7cb4e03c31a9822f8ed0d4a20a20a1ea94
SSDEEP

96:LIhA9mR3hWEjndQAqAYYWEjtntrrwQbY5wSvqfxl:6RrjndQAq8jFRUQbH

Score

10^/10

formbook je14 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

je14

Decoy

innervisionbuildings.com

theenergysocialite.com

565548.com

panghr.com

onlyonesolutions.com

stjohnzone6.com

cnotes.rest

helfeb.online

xixi-s-inc.club

easilyentered.com

theshopx.store

mrclean-ac.com

miamibeachwateradventures.com

jpearce.co.uk

seseragi-bunkou.com

minimaddie.com

commbank-help-849c3.com

segohandelsonderneming.com

namthanhreal.com

fototerapi.online

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral3/memory/1488-1-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1488	1944	dufjl.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2164	1488	WerFault.exe	30

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

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

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1944	dufjl.exe
1944	dufjl.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1488	1944	dufjl.exe	30
PID 1944 wrote to memory of 1488	1944	dufjl.exe	30
PID 1944 wrote to memory of 1488	1944	dufjl.exe	30
PID 1944 wrote to memory of 1488	1944	dufjl.exe	30
PID 1944 wrote to memory of 1488	1944	dufjl.exe	30
PID 1488 wrote to memory of 2164	1488	dufjl.exe	31
PID 1488 wrote to memory of 2164	1488	dufjl.exe	31
PID 1488 wrote to memory of 2164	1488	dufjl.exe	31
PID 1488 wrote to memory of 2164	1488	dufjl.exe	31

C:\Users\Admin\AppData\Local\Temp\dufjl.exe
"C:\Users\Admin\AppData\Local\Temp\dufjl.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\dufjl.exe
  "C:\Users\Admin\AppData\Local\Temp\dufjl.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 36
    3⤵
    - Program crash
    PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1488-1-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1944-0-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download