formbook | 1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5

Analysis

max time kernel
146s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 06:38

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General

Target

Payment Details Swift copy.exe
Size

1.1MB
MD5

22ed48383ceac6b19b449ef825061559
SHA1

e85c201ff8fdf27407e10479a10e7050b6ffd47b
SHA256

1b26a745788fd6ad7ae9ac63cf5bcfd806d66b63d17541ddde02589fe10184b5
SHA512

c6c7ae5ffff742ef7a6243065e16fcdd1626cef3e7a7878ac1974d01039b5a11b93b78f7a87245ee61d99d3c44da36c8897caab98defdd96e90dafb12f51a820
SSDEEP

24576:sAHnh+eWsN3skA4RV1Hom2KXMmHaqeOHBB1Cu0n2F5:Lh+ZkldoPK8YaqeOHL1f0n4

Score

10^/10

formbook ot96 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ot96

Decoy

yclingbear.studio

sxuio.xyz

eon-official-bk-o57v.buzz

teel.management

rusjitu.sbs

ighwald-holdings.info

ummitfinancal.vip

layvalleyconstruction.online

pp-games-efficsecuspon.xyz

ouh.shop

mgltd.services

gshsjwhgsg.fun

eidotijolo.online

yifg.sbs

nline-gaming-ox-mx.xyz

ux-money.info

inergiputraborneo.dev

panish-classes-67016.bond

reightrading.info

23bet.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/3128-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3128-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3352-20-0x0000000000E00000-0x0000000000E2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 3128	1640	Payment Details Swift copy.exe	87
PID 3128 set thread context of 3504	3128	svchost.exe	56
PID 3352 set thread context of 3504	3352	raserver.exe	56

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	Payment Details Swift copy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe
3352	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1640	Payment Details Swift copy.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3352	raserver.exe
3352	raserver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	3128	svchost.exe
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeDebugPrivilege	3352	raserver.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1640	Payment Details Swift copy.exe
1640	Payment Details Swift copy.exe
3504	Explorer.EXE
3504	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1640	Payment Details Swift copy.exe
1640	Payment Details Swift copy.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 3128	1640	Payment Details Swift copy.exe	87
PID 1640 wrote to memory of 3128	1640	Payment Details Swift copy.exe	87
PID 1640 wrote to memory of 3128	1640	Payment Details Swift copy.exe	87
PID 1640 wrote to memory of 3128	1640	Payment Details Swift copy.exe	87
PID 3504 wrote to memory of 3352	3504	Explorer.EXE	88
PID 3504 wrote to memory of 3352	3504	Explorer.EXE	88
PID 3504 wrote to memory of 3352	3504	Explorer.EXE	88
PID 3352 wrote to memory of 4788	3352	raserver.exe	94
PID 3352 wrote to memory of 4788	3352	raserver.exe	94
PID 3352 wrote to memory of 4788	3352	raserver.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\Payment Details Swift copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Details Swift copy.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:1640
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Details Swift copy.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3128
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:3352
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4788

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/1640-10-0x0000000000A20000-0x0000000000A24000-memory.dmp

Filesize
16KB

Download
memory/3128-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3128-12-0x0000000001500000-0x000000000184A000-memory.dmp

Filesize
3.3MB

Download
memory/3128-15-0x00000000014D0000-0x00000000014E5000-memory.dmp

Filesize
84KB

Download
memory/3128-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3352-19-0x0000000000160000-0x000000000017F000-memory.dmp

Filesize
124KB

Download
memory/3352-17-0x0000000000160000-0x000000000017F000-memory.dmp

Filesize
124KB

Download
memory/3352-20-0x0000000000E00000-0x0000000000E2F000-memory.dmp

Filesize
188KB

Download
memory/3504-16-0x0000000008D10000-0x0000000008E1D000-memory.dmp

Filesize
1.1MB

Download
memory/3504-21-0x0000000008D10000-0x0000000008E1D000-memory.dmp

Filesize
1.1MB

Download
memory/3504-25-0x00000000085C0000-0x0000000008698000-memory.dmp

Filesize
864KB

Download
memory/3504-26-0x00000000085C0000-0x0000000008698000-memory.dmp

Filesize
864KB

Download
memory/3504-28-0x00000000085C0000-0x0000000008698000-memory.dmp

Filesize
864KB

Download