formbook | 8e3182d757bc0bf0c8621baeef4e8c36fa410f5810c765fe4cb077edbdd9f43a

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 15:24

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General

Target

Enquiry.exe
Size

1.1MB
MD5

b0ef6712d51b09cebdb50d6ca2f1f906
SHA1

2cf014ea0e857d0665e5c4969f5b997c1750737e
SHA256

48c36aaa98d96dfef34731302ab42e3b1fb5450af4f032ae68500eba9440555b
SHA512

04e0273aae2d9d1a7313942867d656a214b96c495575e9ad0ce6090cd8ecd05c2165fd4b42b54b7135f83fcc8594e3c537eb68cd3e4c643db35c3fa6dfff108b
SSDEEP

24576:dRmJkcoQricOIQxiZY1iadvFzj9veM6Q6xCCjArrlmbuUmf:SJZoQrbTFZY1iadNzj9GM6X/A1mbuUmf

Score

10^/10

formbook c24t discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3956-3-0x00000000006E0000-0x000000000070F000-memory.dmp	formbook
behavioral2/memory/3956-7-0x00000000006E0000-0x000000000070F000-memory.dmp	formbook
behavioral2/memory/736-15-0x0000000001210000-0x000000000123F000-memory.dmp	formbook
behavioral2/memory/736-17-0x0000000001210000-0x000000000123F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3732 set thread context of 3956	3732	Enquiry.exe	82
PID 3956 set thread context of 3440	3956	svchost.exe	56
PID 736 set thread context of 3440	736	msiexec.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	Enquiry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3956	svchost.exe
3956	svchost.exe
3956	svchost.exe
3956	svchost.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3732	Enquiry.exe
3732	Enquiry.exe
3956	svchost.exe
3956	svchost.exe
3956	svchost.exe
736	msiexec.exe
736	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3956	svchost.exe
Token: SeDebugPrivilege	736	msiexec.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 3956	3732	Enquiry.exe	82
PID 3732 wrote to memory of 3956	3732	Enquiry.exe	82
PID 3732 wrote to memory of 3956	3732	Enquiry.exe	82
PID 3732 wrote to memory of 3956	3732	Enquiry.exe	82
PID 3440 wrote to memory of 736	3440	Explorer.EXE	83
PID 3440 wrote to memory of 736	3440	Explorer.EXE	83
PID 3440 wrote to memory of 736	3440	Explorer.EXE	83
PID 736 wrote to memory of 1732	736	msiexec.exe	88
PID 736 wrote to memory of 1732	736	msiexec.exe	88
PID 736 wrote to memory of 1732	736	msiexec.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\Enquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3956
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:736
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1732

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/736-14-0x0000000000FE0000-0x0000000000FF2000-memory.dmp

Filesize
72KB

Download
memory/736-20-0x0000000002F50000-0x0000000002FE3000-memory.dmp

Filesize
588KB

Download
memory/736-17-0x0000000001210000-0x000000000123F000-memory.dmp

Filesize
188KB

Download
memory/736-16-0x00000000030B0000-0x00000000033FA000-memory.dmp

Filesize
3.3MB

Download
memory/736-15-0x0000000001210000-0x000000000123F000-memory.dmp

Filesize
188KB

Download
memory/736-12-0x0000000000FE0000-0x0000000000FF2000-memory.dmp

Filesize
72KB

Download
memory/736-10-0x0000000000FE0000-0x0000000000FF2000-memory.dmp

Filesize
72KB

Download
memory/3440-18-0x0000000002680000-0x0000000002756000-memory.dmp

Filesize
856KB

Download
memory/3440-9-0x0000000002680000-0x0000000002756000-memory.dmp

Filesize
856KB

Download
memory/3440-23-0x0000000002810000-0x00000000028F4000-memory.dmp

Filesize
912KB

Download
memory/3440-24-0x0000000002810000-0x00000000028F4000-memory.dmp

Filesize
912KB

Download
memory/3440-26-0x0000000002810000-0x00000000028F4000-memory.dmp

Filesize
912KB

Download
memory/3732-2-0x0000000004140000-0x0000000004340000-memory.dmp

Filesize
2.0MB

Download
memory/3956-7-0x00000000006E0000-0x000000000070F000-memory.dmp

Filesize
188KB

Download
memory/3956-8-0x0000000001550000-0x0000000001564000-memory.dmp

Filesize
80KB

Download
memory/3956-6-0x0000000001100000-0x000000000144A000-memory.dmp

Filesize
3.3MB

Download
memory/3956-3-0x00000000006E0000-0x000000000070F000-memory.dmp

Filesize
188KB

Download