formbook | 8b5a115dc811f2af819f81f5318efcd50916b2c6b705c4479f57006b9e7b9ad4

Analysis

max time kernel
148s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 12:35

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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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3488-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3488-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3488-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4800-16-0x0000000000AA0000-0x0000000000ACF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3768 set thread context of 3488	3768	New PO#634100636941 - 25 SEP 2024.exe	89
PID 3488 set thread context of 3492	3488	svchost.exe	56
PID 3488 set thread context of 3492	3488	svchost.exe	56
PID 4800 set thread context of 3492	4800	systray.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	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 63 IoCs

pid	Process
3488	svchost.exe
3488	svchost.exe
3488	svchost.exe
3488	svchost.exe
3488	svchost.exe
3488	svchost.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe
4800	systray.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3768	New PO#634100636941 - 25 SEP 2024.exe
3488	svchost.exe
3488	svchost.exe
3488	svchost.exe
3488	svchost.exe
4800	systray.exe
4800	systray.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	svchost.exe
Token: SeDebugPrivilege	4800	systray.exe
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3768	New PO#634100636941 - 25 SEP 2024.exe
3768	New PO#634100636941 - 25 SEP 2024.exe
3768	New PO#634100636941 - 25 SEP 2024.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3768	New PO#634100636941 - 25 SEP 2024.exe
3768	New PO#634100636941 - 25 SEP 2024.exe
3768	New PO#634100636941 - 25 SEP 2024.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 3488	3768	New PO#634100636941 - 25 SEP 2024.exe	89
PID 3768 wrote to memory of 3488	3768	New PO#634100636941 - 25 SEP 2024.exe	89
PID 3768 wrote to memory of 3488	3768	New PO#634100636941 - 25 SEP 2024.exe	89
PID 3768 wrote to memory of 3488	3768	New PO#634100636941 - 25 SEP 2024.exe	89
PID 3492 wrote to memory of 4800	3492	Explorer.EXE	100
PID 3492 wrote to memory of 4800	3492	Explorer.EXE	100
PID 3492 wrote to memory of 4800	3492	Explorer.EXE	100
PID 4800 wrote to memory of 4888	4800	systray.exe	102
PID 4800 wrote to memory of 4888	4800	systray.exe	102
PID 4800 wrote to memory of 4888	4800	systray.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492
- 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:3768
- - 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:3488
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2312
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1512
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2544
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1664
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:312
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:4800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4888

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4060,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:4408

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/3488-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3488-4-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/3488-11-0x00000000011D0000-0x00000000011E5000-memory.dmp

Filesize
84KB

Download
memory/3488-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3488-7-0x0000000001160000-0x0000000001175000-memory.dmp

Filesize
84KB

Download
memory/3488-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3492-8-0x0000000007CD0000-0x0000000007E6D000-memory.dmp

Filesize
1.6MB

Download
memory/3492-12-0x0000000008820000-0x000000000890F000-memory.dmp

Filesize
956KB

Download
memory/3492-13-0x0000000007CD0000-0x0000000007E6D000-memory.dmp

Filesize
1.6MB

Download
memory/3492-17-0x0000000008820000-0x000000000890F000-memory.dmp

Filesize
956KB

Download
memory/3492-20-0x0000000009420000-0x0000000009572000-memory.dmp

Filesize
1.3MB

Download
memory/3492-21-0x0000000009420000-0x0000000009572000-memory.dmp

Filesize
1.3MB

Download
memory/3492-23-0x0000000009420000-0x0000000009572000-memory.dmp

Filesize
1.3MB

Download
memory/3768-2-0x0000000003C80000-0x0000000003E80000-memory.dmp

Filesize
2.0MB

Download
memory/4800-15-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/4800-14-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/4800-16-0x0000000000AA0000-0x0000000000ACF000-memory.dmp

Filesize
188KB

Download