formbook | 5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41

Analysis

max time kernel
145s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 01:27

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General

Target

5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
Size

1.1MB
MD5

2c91449d105252bdb8685eaf82baf717
SHA1

d34be35207e27e768189b967dff5c138b5348f74
SHA256

5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41
SHA512

b4f072f42aa868d5278c5891bf9786918a8c30e46575e3ed0c8ffe18e1bfe6b7d9b7fd2624756a0f479f2e76403dc273dc7397773aefc9d2c604bee6ced7456e
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLo2ylUyMtAiu5jdOXu/jX0bhLbSSY:ffmMv6Ckr7Mny5QLw2tAZxKhtY

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2780-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2780-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2436-12-0x00000000004F0000-0x000000000051F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4856 set thread context of 2780	4856	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	82
PID 2780 set thread context of 3408	2780	svchost.exe	56
PID 2436 set thread context of 3408	2436	WWAHost.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	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WWAHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2780	svchost.exe
2780	svchost.exe
2780	svchost.exe
2780	svchost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe
2436	WWAHost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4856	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
2780	svchost.exe
2780	svchost.exe
2780	svchost.exe
2436	WWAHost.exe
2436	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	svchost.exe
Token: SeDebugPrivilege	2436	WWAHost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 2780	4856	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	82
PID 4856 wrote to memory of 2780	4856	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	82
PID 4856 wrote to memory of 2780	4856	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	82
PID 4856 wrote to memory of 2780	4856	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	82
PID 3408 wrote to memory of 2436	3408	Explorer.EXE	83
PID 3408 wrote to memory of 2436	3408	Explorer.EXE	83
PID 3408 wrote to memory of 2436	3408	Explorer.EXE	83
PID 2436 wrote to memory of 1132	2436	WWAHost.exe	84
PID 2436 wrote to memory of 1132	2436	WWAHost.exe	84
PID 2436 wrote to memory of 1132	2436	WWAHost.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
  "C:\Users\Admin\AppData\Local\Temp\5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2780
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:2436
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1132

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/2436-9-0x0000000000C80000-0x0000000000D5C000-memory.dmp

Filesize
880KB

Download
memory/2436-12-0x00000000004F0000-0x000000000051F000-memory.dmp

Filesize
188KB

Download
memory/2436-11-0x0000000000C80000-0x0000000000D5C000-memory.dmp

Filesize
880KB

Download
memory/2780-7-0x0000000000D40000-0x0000000000D54000-memory.dmp

Filesize
80KB

Download
memory/2780-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2780-4-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/2780-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3408-8-0x0000000008EA0000-0x0000000008F84000-memory.dmp

Filesize
912KB

Download
memory/3408-13-0x0000000008EA0000-0x0000000008F84000-memory.dmp

Filesize
912KB

Download
memory/3408-17-0x00000000033D0000-0x00000000034C1000-memory.dmp

Filesize
964KB

Download
memory/3408-18-0x00000000033D0000-0x00000000034C1000-memory.dmp

Filesize
964KB

Download
memory/3408-20-0x00000000033D0000-0x00000000034C1000-memory.dmp

Filesize
964KB

Download
memory/4856-2-0x0000000004350000-0x0000000004750000-memory.dmp

Filesize
4.0MB

Download