formbook | 3e26ebdfbd46dadcbf46c199970362689fa6ca0e0abb65ec703ca21d08b7269f

General

Target

hbwebdownload - MT 103.exe
Size

661KB
MD5

42d6700f5272596c025308992d4fea37
SHA1

09db89002aa3793dfbf04ace1f62eeef11086415
SHA256

3e26ebdfbd46dadcbf46c199970362689fa6ca0e0abb65ec703ca21d08b7269f
SHA512

e8175443f45089dc9977ff570b3214921f2a49fd9e097fca6a87494021a7a24eaff75ff497367d7ca3c675cffb321e6c9f98b3a62cbac820fca4ec73b1792e6d
SSDEEP

12288:h54hoC7N+VZp1YFtATOWVVT+dcL/BeUO3kR:27yZAUdVT+dcdOi

Score

10^/10

formbook c24t discovery execution 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
behavioral1/memory/2196-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2196-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2196-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2184	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2196	2936	hbwebdownload - MT 103.exe	34
PID 2196 set thread context of 1204	2196	hbwebdownload - MT 103.exe	21
PID 2196 set thread context of 1204	2196	hbwebdownload - MT 103.exe	21

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 2 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	hbwebdownload - MT 103.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2936	hbwebdownload - MT 103.exe
2936	hbwebdownload - MT 103.exe
2936	hbwebdownload - MT 103.exe
2936	hbwebdownload - MT 103.exe
2196	hbwebdownload - MT 103.exe
2196	hbwebdownload - MT 103.exe
2184	powershell.exe
2196	hbwebdownload - MT 103.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2196	hbwebdownload - MT 103.exe
2196	hbwebdownload - MT 103.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	hbwebdownload - MT 103.exe
Token: SeDebugPrivilege	2196	hbwebdownload - MT 103.exe
Token: SeDebugPrivilege	2184	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2184	2936	hbwebdownload - MT 103.exe	31
PID 2936 wrote to memory of 2184	2936	hbwebdownload - MT 103.exe	31
PID 2936 wrote to memory of 2184	2936	hbwebdownload - MT 103.exe	31
PID 2936 wrote to memory of 2184	2936	hbwebdownload - MT 103.exe	31
PID 2936 wrote to memory of 2300	2936	hbwebdownload - MT 103.exe	33
PID 2936 wrote to memory of 2300	2936	hbwebdownload - MT 103.exe	33
PID 2936 wrote to memory of 2300	2936	hbwebdownload - MT 103.exe	33
PID 2936 wrote to memory of 2300	2936	hbwebdownload - MT 103.exe	33
PID 2936 wrote to memory of 2196	2936	hbwebdownload - MT 103.exe	34
PID 2936 wrote to memory of 2196	2936	hbwebdownload - MT 103.exe	34
PID 2936 wrote to memory of 2196	2936	hbwebdownload - MT 103.exe	34
PID 2936 wrote to memory of 2196	2936	hbwebdownload - MT 103.exe	34
PID 2936 wrote to memory of 2196	2936	hbwebdownload - MT 103.exe	34
PID 2936 wrote to memory of 2196	2936	hbwebdownload - MT 103.exe	34
PID 2936 wrote to memory of 2196	2936	hbwebdownload - MT 103.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\hbwebdownload - MT 103.exe
  "C:\Users\Admin\AppData\Local\Temp\hbwebdownload - MT 103.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\hbwebdownload - MT 103.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2184
- - C:\Users\Admin\AppData\Local\Temp\hbwebdownload - MT 103.exe
    "C:\Users\Admin\AppData\Local\Temp\hbwebdownload - MT 103.exe"
    3⤵
    PID:2300
- - C:\Users\Admin\AppData\Local\Temp\hbwebdownload - MT 103.exe
    "C:\Users\Admin\AppData\Local\Temp\hbwebdownload - MT 103.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1204-19-0x0000000004EA0000-0x0000000004F6A000-memory.dmp

Filesize
808KB

Download
memory/1204-23-0x0000000004EA0000-0x0000000004F6A000-memory.dmp

Filesize
808KB

Download
memory/2196-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-16-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/2196-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-18-0x00000000003A0000-0x00000000003B4000-memory.dmp

Filesize
80KB

Download
memory/2196-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2936-6-0x00000000008E0000-0x0000000000956000-memory.dmp

Filesize
472KB

Download
memory/2936-14-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-2-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2936-3-0x0000000000620000-0x000000000063E000-memory.dmp

Filesize
120KB

Download
memory/2936-5-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-1-0x00000000012D0000-0x0000000001378000-memory.dmp

Filesize
672KB

Download
memory/2936-4-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download

Analysis

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