formbook | a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d

Analysis

max time kernel
148s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 13:11

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General

Target

FedEx Express AWB#5305323204643.exe
Size

675KB
MD5

3ae40912766339837da60e6a29e72791
SHA1

f7a3e4560435770745d04a9abf5ae4b88b29f2a9
SHA256

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d
SHA512

88446cbf3de77af430bdd18c0d7932789fbe626b236b318701b3e6b1d362d8ac4f6166c84cc254594efa0be9307af4f11bcb3dcee8792e499239e39ad745ec41
SSDEEP

12288:4nCb+eCSmzZmUpNPGNOCQmO51NvC+lyh8A7/tbRTzJc:4uCBMwhGNxi9l4/Tz

Score

10^/10

formbook g92s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g92s

Decoy

utomation-tools-55205.bond

commerce-99094.bond

ufounoufeng.vip

arkknighttransport.net

et9ja.webcam

75511.vip

afiabmfkrk.online

lluminos.live

egitfxtrade.live

zn-lab.net

implifiedprojects.net

mjsnnn5716.shop

ecurity-service-28490.bond

andy888th.online

dno.xyz

ofl.xyz

enamind.net

ellnessdigitalmedia.store

mcreative.studio

wctoken-v2.icu

Signatures

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

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2988-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2988-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/312-21-0x0000000000750000-0x000000000077F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

FedEx Express AWB#5305323204643.exeFedEx Express AWB#5305323204643.exemsdt.exe

description	pid	Process	procid_target
PID 744 set thread context of 2988	744	FedEx Express AWB#5305323204643.exe	98
PID 2988 set thread context of 3432	2988	FedEx Express AWB#5305323204643.exe	56
PID 312 set thread context of 3432	312	msdt.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

Processes:

cmd.exeFedEx Express AWB#5305323204643.exemsdt.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FedEx Express AWB#5305323204643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

FedEx Express AWB#5305323204643.exeFedEx Express AWB#5305323204643.exemsdt.exe

pid	Process
744	FedEx Express AWB#5305323204643.exe
744	FedEx Express AWB#5305323204643.exe
2988	FedEx Express AWB#5305323204643.exe
2988	FedEx Express AWB#5305323204643.exe
2988	FedEx Express AWB#5305323204643.exe
2988	FedEx Express AWB#5305323204643.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe
312	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

FedEx Express AWB#5305323204643.exemsdt.exe

pid	Process
2988	FedEx Express AWB#5305323204643.exe
2988	FedEx Express AWB#5305323204643.exe
2988	FedEx Express AWB#5305323204643.exe
312	msdt.exe
312	msdt.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

FedEx Express AWB#5305323204643.exeFedEx Express AWB#5305323204643.exemsdt.exe

description	pid	Process
Token: SeDebugPrivilege	744	FedEx Express AWB#5305323204643.exe
Token: SeDebugPrivilege	2988	FedEx Express AWB#5305323204643.exe
Token: SeDebugPrivilege	312	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

FedEx Express AWB#5305323204643.exeExplorer.EXEmsdt.exe

description	pid	Process	procid_target
PID 744 wrote to memory of 2988	744	FedEx Express AWB#5305323204643.exe	98
PID 744 wrote to memory of 2988	744	FedEx Express AWB#5305323204643.exe	98
PID 744 wrote to memory of 2988	744	FedEx Express AWB#5305323204643.exe	98
PID 744 wrote to memory of 2988	744	FedEx Express AWB#5305323204643.exe	98
PID 744 wrote to memory of 2988	744	FedEx Express AWB#5305323204643.exe	98
PID 744 wrote to memory of 2988	744	FedEx Express AWB#5305323204643.exe	98
PID 3432 wrote to memory of 312	3432	Explorer.EXE	99
PID 3432 wrote to memory of 312	3432	Explorer.EXE	99
PID 3432 wrote to memory of 312	3432	Explorer.EXE	99
PID 312 wrote to memory of 876	312	msdt.exe	100
PID 312 wrote to memory of 876	312	msdt.exe	100
PID 312 wrote to memory of 876	312	msdt.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2988
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:312
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:876

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/312-19-0x0000000000330000-0x0000000000387000-memory.dmp

Filesize
348KB

Download
memory/312-21-0x0000000000750000-0x000000000077F000-memory.dmp

Filesize
188KB

Download
memory/312-20-0x0000000000330000-0x0000000000387000-memory.dmp

Filesize
348KB

Download
memory/744-6-0x0000000004C10000-0x0000000004C1A000-memory.dmp

Filesize
40KB

Download
memory/744-1-0x00000000000C0000-0x000000000016E000-memory.dmp

Filesize
696KB

Download
memory/744-5-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/744-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/744-7-0x0000000004E00000-0x0000000004E1C000-memory.dmp

Filesize
112KB

Download
memory/744-8-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/744-9-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/744-10-0x0000000007920000-0x0000000007998000-memory.dmp

Filesize
480KB

Download
memory/744-4-0x0000000004CB0000-0x0000000004D4C000-memory.dmp

Filesize
624KB

Download
memory/744-13-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/744-2-0x0000000005120000-0x00000000056C4000-memory.dmp

Filesize
5.6MB

Download
memory/744-3-0x0000000004B70000-0x0000000004C02000-memory.dmp

Filesize
584KB

Download
memory/2988-17-0x00000000014F0000-0x0000000001504000-memory.dmp

Filesize
80KB

Download
memory/2988-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2988-14-0x0000000001070000-0x00000000013BA000-memory.dmp

Filesize
3.3MB

Download
memory/2988-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3432-18-0x0000000007B50000-0x0000000007C71000-memory.dmp

Filesize
1.1MB

Download
memory/3432-22-0x0000000007B50000-0x0000000007C71000-memory.dmp

Filesize
1.1MB

Download
memory/3432-26-0x0000000003D60000-0x0000000003E46000-memory.dmp

Filesize
920KB

Download
memory/3432-27-0x0000000003D60000-0x0000000003E46000-memory.dmp

Filesize
920KB

Download
memory/3432-29-0x0000000003D60000-0x0000000003E46000-memory.dmp

Filesize
920KB

Download