formbook | 42c7add430298817e1039472135b8c107b8ab9f9a4df4e62067ab6995031d5ab

Analysis

max time kernel
148s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 14:38

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General

Target

ORDEN_09.09.2024 DON LAFFAN.pdf.exe
Size

1.1MB
MD5

ab773f71e8ca97d60d23a47027922fe5
SHA1

65aa81122d5d9602bb1f4c9eea7680f9c9a283f8
SHA256

1de36d2ec37c6f00f7f19fe8910db121771792e106d372212fbf82a1054d467f
SHA512

b1432335d385e4ae43631a58efca12dae884b2c299c4dc0e80255e7bcc07617c26de59d753352b3962d2d8f8380695a1f16138c5c1d816e98c495bd7eef8ab2e
SSDEEP

24576:14lavt0LkLL9IMixoEgeaybiJw6hsH3Lkq9MmCS:Mkwkn9IMHeay2JrWIaPCS

Score

10^/10

formbook rn94 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn94

Decoy

st68v.xyz

conciergenotary.net

qwechaotk.top

rtpdonatoto29.xyz

8ad.xyz

powermove.top

cameras-30514.bond

vanguardcoffee.shop

umoe53fxc1bsujv.buzz

consultoriamax.net

hplxx.com

ndu.wtf

yzh478c.xyz

bigbrown999.site

xiake07.asia

resdai.xyz

the35678.shop

ba6rf.rest

ceo688.com

phimxhot.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/4856-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4856-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3216-14-0x00000000001D0000-0x00000000001FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1836 set thread context of 4856	1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe	86
PID 4856 set thread context of 3432	4856	svchost.exe	56
PID 3216 set thread context of 3432	3216	cscript.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ORDEN_09.09.2024 DON LAFFAN.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.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
4856	svchost.exe
4856	svchost.exe
4856	svchost.exe
4856	svchost.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe
3216	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe
4856	svchost.exe
4856	svchost.exe
4856	svchost.exe
3216	cscript.exe
3216	cscript.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	svchost.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeDebugPrivilege	3216	cscript.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe
1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe
3432	Explorer.EXE
3432	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe
1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 4856	1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe	86
PID 1836 wrote to memory of 4856	1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe	86
PID 1836 wrote to memory of 4856	1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe	86
PID 1836 wrote to memory of 4856	1836	ORDEN_09.09.2024 DON LAFFAN.pdf.exe	86
PID 3432 wrote to memory of 3216	3432	Explorer.EXE	87
PID 3432 wrote to memory of 3216	3432	Explorer.EXE	87
PID 3432 wrote to memory of 3216	3432	Explorer.EXE	87
PID 3216 wrote to memory of 3000	3216	cscript.exe	89
PID 3216 wrote to memory of 3000	3216	cscript.exe	89
PID 3216 wrote to memory of 3000	3216	cscript.exe	89

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:3432
- C:\Users\Admin\AppData\Local\Temp\ORDEN_09.09.2024 DON LAFFAN.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\ORDEN_09.09.2024 DON LAFFAN.pdf.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:1836
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDEN_09.09.2024 DON LAFFAN.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4856
- 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:3216
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3000

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/1836-5-0x00000000040D0000-0x00000000040D4000-memory.dmp

Filesize
16KB

Download
memory/3216-13-0x00000000007F0000-0x0000000000817000-memory.dmp

Filesize
156KB

Download
memory/3216-14-0x00000000001D0000-0x00000000001FF000-memory.dmp

Filesize
188KB

Download
memory/3216-12-0x00000000007F0000-0x0000000000817000-memory.dmp

Filesize
156KB

Download
memory/3432-15-0x0000000009110000-0x00000000092B9000-memory.dmp

Filesize
1.7MB

Download
memory/3432-11-0x0000000009110000-0x00000000092B9000-memory.dmp

Filesize
1.7MB

Download
memory/3432-19-0x000000000B0F0000-0x000000000B202000-memory.dmp

Filesize
1.1MB

Download
memory/3432-20-0x000000000B0F0000-0x000000000B202000-memory.dmp

Filesize
1.1MB

Download
memory/3432-22-0x000000000B0F0000-0x000000000B202000-memory.dmp

Filesize
1.1MB

Download
memory/4856-10-0x0000000001680000-0x0000000001695000-memory.dmp

Filesize
84KB

Download
memory/4856-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4856-7-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/4856-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download