formbook | b3d45d85cba27f6900215868e9e6e9a97fb95648a42396305cd8bcb50c8e80d0

Analysis

max time kernel
147s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 20:24

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General

Target

2.exe
Size

185KB
MD5

cb90c75f8cbbbcc3f74ee22288c800a1
SHA1

1c84ad88465e6eb1b91dfaf099bf2697e44ccc0d
SHA256

b3d45d85cba27f6900215868e9e6e9a97fb95648a42396305cd8bcb50c8e80d0
SHA512

22e8fd5f34e92ffb92e362efdc3866c9bfab68a5f6f463f64ae4f16876722dd4595e0cff34f970dd87140859b58e6acdb20c8b82f27ed42bbf7cc80f46e7a314
SSDEEP

3072:8MHDFaMPRIjxWcy4C9y30XclW6Qilinp0fJ4XNZkAC581h/dgHG0uD1X4/qZa:e7UL4Co3js6QilinA4XN+zKh/uG0u5XC

Score

10^/10

formbook l26n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

l26n

Decoy

vtxapg.bond

iscussatthetable.net

q5b2.vip

urculturalbuzz.buzz

0xfulisuo.xyz

iz-kyc.online

atladies4kamala.vote

aison-maison.xyz

codom73.online

aosecurity.online

szxart.xyz

ergecast.net

ealker.pro

hickensforkfc.net

ldoradocasino-uee.top

afiqgroup.net

ercania.net

sdc.ngo

raphic-design-degree-37012.bond

888yl123.vip

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/460-2-0x0000000000630000-0x000000000065F000-memory.dmp	formbook
behavioral2/memory/1040-6-0x0000000000980000-0x00000000009AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 460 set thread context of 3544	460	2.exe	56
PID 1040 set thread context of 3544	1040	cscript.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	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.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 62 IoCs

pid	Process
460	2.exe
460	2.exe
460	2.exe
460	2.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe
1040	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
460	2.exe
460	2.exe
460	2.exe
1040	cscript.exe
1040	cscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	460	2.exe
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeDebugPrivilege	1040	cscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3544	Explorer.EXE
3544	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3544	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 1040	3544	Explorer.EXE	85
PID 3544 wrote to memory of 1040	3544	Explorer.EXE	85
PID 3544 wrote to memory of 1040	3544	Explorer.EXE	85
PID 1040 wrote to memory of 2764	1040	cscript.exe	88
PID 1040 wrote to memory of 2764	1040	cscript.exe	88
PID 1040 wrote to memory of 2764	1040	cscript.exe	88

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:3544
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:460
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:1040
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\2.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2764

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/460-0-0x0000000000C70000-0x0000000000FBA000-memory.dmp

Filesize
3.3MB

Download
memory/460-2-0x0000000000630000-0x000000000065F000-memory.dmp

Filesize
188KB

Download
memory/460-1-0x000000000064F000-0x0000000000650000-memory.dmp

Filesize
4KB

Download
memory/1040-4-0x00000000009C0000-0x00000000009E7000-memory.dmp

Filesize
156KB

Download
memory/1040-5-0x00000000009C0000-0x00000000009E7000-memory.dmp

Filesize
156KB

Download
memory/1040-6-0x0000000000980000-0x00000000009AF000-memory.dmp

Filesize
188KB

Download
memory/3544-3-0x0000000004CB0000-0x0000000004D86000-memory.dmp

Filesize
856KB

Download
memory/3544-7-0x0000000004CB0000-0x0000000004D86000-memory.dmp

Filesize
856KB

Download
memory/3544-11-0x00000000094D0000-0x0000000009655000-memory.dmp

Filesize
1.5MB

Download
memory/3544-12-0x00000000094D0000-0x0000000009655000-memory.dmp

Filesize
1.5MB

Download
memory/3544-14-0x00000000094D0000-0x0000000009655000-memory.dmp

Filesize
1.5MB

Download