formbook | e8208b4ea0372e7708d867c4df307677ed6af1d1a10d87f1b2a8e02bd184b71f

Analysis

max time kernel
147s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 00:48

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General

Target

A FINAL DRAFT BL 00595854/A FINAL DRAFT BL 00595854.exe
Size

24KB
MD5

2f8c33ab91e3897522bb6add4b6e1375
SHA1

dd6159fe631838b3bf1bf27bc90ea1acbaf381c4
SHA256

d0f5829a3fe65ff01901b2742e9e19cbb848d5b55452103ab1b8c82e87fa6872
SHA512

da28c79295704dc476ea28c69cfe9108b75be68912c7455d6b6eb6e3df07c6bd6e704f586433d79a3580bfb313cf459b2626d5ce34e3bc85b787b82a83358a3b
SSDEEP

768:+tSqfNFDB5jKxnVbgvqxNdKcSHJK/Y/+hP7:ESq3B5jKxnKvKNdKBHJK/n

Score

10^/10

formbook be28 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

be28

Decoy

nsrrsdda.xyz

amut-sakhon-party-539528511.fyi

icholas-paaac.buzz

heirwellnessbuzz.buzz

mhgriu.xyz

etropixel.info

959725nkrowrf140.top

oxicsh.click

iobet-casino1.online

ome-care-81701.bond

lhrristorpky.xyz

ucko.info

ryson-saaab.buzz

aming-monitor-69835.bond

puf7.shop

armageddon.net

58799.top

rainfood.online

ahjong168.vip

arjetas-empresariales-pro.xyz

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/1044-0-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1044-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1472-8-0x0000000000940000-0x000000000096F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4092 set thread context of 1044	4092	A FINAL DRAFT BL 00595854.exe	85
PID 1044 set thread context of 3552	1044	ngen.exe	56
PID 1472 set thread context of 3552	1472	control.exe	56

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	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1044	ngen.exe
1044	ngen.exe
1044	ngen.exe
1044	ngen.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe
1472	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1044	ngen.exe
1044	ngen.exe
1044	ngen.exe
1472	control.exe
1472	control.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	A FINAL DRAFT BL 00595854.exe
Token: SeDebugPrivilege	1044	ngen.exe
Token: SeDebugPrivilege	1472	control.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3552	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 1044	4092	A FINAL DRAFT BL 00595854.exe	85
PID 4092 wrote to memory of 1044	4092	A FINAL DRAFT BL 00595854.exe	85
PID 4092 wrote to memory of 1044	4092	A FINAL DRAFT BL 00595854.exe	85
PID 4092 wrote to memory of 1044	4092	A FINAL DRAFT BL 00595854.exe	85
PID 4092 wrote to memory of 1044	4092	A FINAL DRAFT BL 00595854.exe	85
PID 4092 wrote to memory of 1044	4092	A FINAL DRAFT BL 00595854.exe	85
PID 3552 wrote to memory of 1472	3552	Explorer.EXE	87
PID 3552 wrote to memory of 1472	3552	Explorer.EXE	87
PID 3552 wrote to memory of 1472	3552	Explorer.EXE	87
PID 1472 wrote to memory of 4424	1472	control.exe	89
PID 1472 wrote to memory of 4424	1472	control.exe	89
PID 1472 wrote to memory of 4424	1472	control.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Users\Admin\AppData\Local\Temp\A FINAL DRAFT BL 00595854\A FINAL DRAFT BL 00595854.exe
  "C:\Users\Admin\AppData\Local\Temp\A FINAL DRAFT BL 00595854\A FINAL DRAFT BL 00595854.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1044
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:1472
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4424

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

Replay Monitor

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Downloads

memory/1044-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1044-1-0x0000000001380000-0x00000000016CA000-memory.dmp

Filesize
3.3MB

Download
memory/1044-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1044-4-0x0000000000D40000-0x0000000000D54000-memory.dmp

Filesize
80KB

Download
memory/1472-6-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

Filesize
156KB

Download
memory/1472-7-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

Filesize
156KB

Download
memory/1472-8-0x0000000000940000-0x000000000096F000-memory.dmp

Filesize
188KB

Download
memory/3552-5-0x000000000AEF0000-0x000000000B011000-memory.dmp

Filesize
1.1MB

Download
memory/3552-10-0x000000000AEF0000-0x000000000B011000-memory.dmp

Filesize
1.1MB

Download
memory/3552-12-0x0000000008CD0000-0x0000000008E4E000-memory.dmp

Filesize
1.5MB

Download
memory/3552-14-0x0000000008CD0000-0x0000000008E4E000-memory.dmp

Filesize
1.5MB

Download
memory/3552-17-0x0000000008CD0000-0x0000000008E4E000-memory.dmp

Filesize
1.5MB

Download