formbook | 8b5a115dc811f2af819f81f5318efcd50916b2c6b705c4479f57006b9e7b9ad4

Analysis

max time kernel
299s
max time network
281s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/09/2024, 04:03

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General

Target

New PO#634100636941 - 25 SEP 2024.exe
Size

1.0MB
MD5

3f3764a227cbaa066e1cfd4cf58e0d95
SHA1

9505108a970f6c56eebae861774889513058a333
SHA256

925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b
SHA512

c449793821e7bc88f7e3dd7e78db88f33d0f40c3b60d7f224a69700fb4bcfd6f3336f22891c8e776e0b333e983f94756395354e82c9bed36148f21bd4235e642
SSDEEP

24576:8RmJkcoQricOIQxiZY1iaAHZVYzdb8qASJN7ChaNKuY:pJZoQrbTFZY1iaAHZVYBxG

Score

10^/10

formbook e62s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

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
behavioral2/memory/4808-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4808-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2000-12-0x0000000000C80000-0x0000000000CAF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 4808	1884	New PO#634100636941 - 25 SEP 2024.exe	82
PID 4808 set thread context of 3484	4808	svchost.exe	56
PID 2000 set thread context of 3484	2000	svchost.exe	56

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 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	New PO#634100636941 - 25 SEP 2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4808	svchost.exe
4808	svchost.exe
4808	svchost.exe
4808	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe
2000	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1884	New PO#634100636941 - 25 SEP 2024.exe
4808	svchost.exe
4808	svchost.exe
4808	svchost.exe
2000	svchost.exe
2000	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	svchost.exe
Token: SeDebugPrivilege	2000	svchost.exe
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1884	New PO#634100636941 - 25 SEP 2024.exe
1884	New PO#634100636941 - 25 SEP 2024.exe
1884	New PO#634100636941 - 25 SEP 2024.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1884	New PO#634100636941 - 25 SEP 2024.exe
1884	New PO#634100636941 - 25 SEP 2024.exe
1884	New PO#634100636941 - 25 SEP 2024.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 4808	1884	New PO#634100636941 - 25 SEP 2024.exe	82
PID 1884 wrote to memory of 4808	1884	New PO#634100636941 - 25 SEP 2024.exe	82
PID 1884 wrote to memory of 4808	1884	New PO#634100636941 - 25 SEP 2024.exe	82
PID 1884 wrote to memory of 4808	1884	New PO#634100636941 - 25 SEP 2024.exe	82
PID 3484 wrote to memory of 2000	3484	Explorer.EXE	83
PID 3484 wrote to memory of 2000	3484	Explorer.EXE	83
PID 3484 wrote to memory of 2000	3484	Explorer.EXE	83
PID 2000 wrote to memory of 632	2000	svchost.exe	84
PID 2000 wrote to memory of 632	2000	svchost.exe	84
PID 2000 wrote to memory of 632	2000	svchost.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Users\Admin\AppData\Local\Temp\New PO#634100636941 - 25 SEP 2024.exe
  "C:\Users\Admin\AppData\Local\Temp\New PO#634100636941 - 25 SEP 2024.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:1884
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\New PO#634100636941 - 25 SEP 2024.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4808
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1884-2-0x0000000003C50000-0x0000000003E50000-memory.dmp

Filesize
2.0MB

Download
memory/2000-11-0x0000000000020000-0x000000000002E000-memory.dmp

Filesize
56KB

Download
memory/2000-9-0x0000000000020000-0x000000000002E000-memory.dmp

Filesize
56KB

Download
memory/2000-12-0x0000000000C80000-0x0000000000CAF000-memory.dmp

Filesize
188KB

Download
memory/3484-8-0x00000000083F0000-0x000000000853E000-memory.dmp

Filesize
1.3MB

Download
memory/3484-16-0x0000000002F80000-0x000000000307C000-memory.dmp

Filesize
1008KB

Download
memory/3484-17-0x0000000002F80000-0x000000000307C000-memory.dmp

Filesize
1008KB

Download
memory/3484-19-0x0000000002F80000-0x000000000307C000-memory.dmp

Filesize
1008KB

Download
memory/4808-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4808-4-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/4808-7-0x0000000001950000-0x0000000001965000-memory.dmp

Filesize
84KB

Download
memory/4808-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download