formbook | d718c4a328c53803cadba0e89c03eea577c3d049b989efe652f1f80a8031e4d8

General

Target

SOA.exe
Size

584KB
MD5

a23f608230a404028b541bcfce9a6704
SHA1

ba91b94100ec0b7350e8cbfe42879fa8032eca7b
SHA256

5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93
SHA512

866fbc614293427b006bad91d69d45e6c65e6693713e55ecec7fd35253b56e709a129fec97ab71750f2ffaa64b98c28984c2ebaa5b659c5d398a39d91f1b1ff3
SSDEEP

12288:08XO0aNADvB4s44IwaA7jt2wFHrItx6AD0OaaMLi27IKhgIm3YMnkR:0LyBDqYtnFHcl4OvMwdNYMy

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2896-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2896-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2896-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3068-27-0x0000000000080000-0x00000000000AF000-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
2876	powershell.exe

Deletes itself 1 IoCs

pid	Process
2084	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3048 set thread context of 2896	3048	SOA.exe	31
PID 2896 set thread context of 1372	2896	SOA.exe	20
PID 2896 set thread context of 1372	2896	SOA.exe	20
PID 3068 set thread context of 1372	3068	NETSTAT.EXE	20

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 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SOA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SOA.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3068	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
3048	SOA.exe
3048	SOA.exe
2896	SOA.exe
2896	SOA.exe
2876	powershell.exe
2896	SOA.exe
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE
3068	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2896	SOA.exe
2896	SOA.exe
2896	SOA.exe
2896	SOA.exe
3068	NETSTAT.EXE
3068	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	SOA.exe
Token: SeDebugPrivilege	2896	SOA.exe
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	3068	NETSTAT.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2876	3048	SOA.exe	29
PID 3048 wrote to memory of 2876	3048	SOA.exe	29
PID 3048 wrote to memory of 2876	3048	SOA.exe	29
PID 3048 wrote to memory of 2876	3048	SOA.exe	29
PID 3048 wrote to memory of 2896	3048	SOA.exe	31
PID 3048 wrote to memory of 2896	3048	SOA.exe	31
PID 3048 wrote to memory of 2896	3048	SOA.exe	31
PID 3048 wrote to memory of 2896	3048	SOA.exe	31
PID 3048 wrote to memory of 2896	3048	SOA.exe	31
PID 3048 wrote to memory of 2896	3048	SOA.exe	31
PID 3048 wrote to memory of 2896	3048	SOA.exe	31
PID 2896 wrote to memory of 3068	2896	SOA.exe	32
PID 2896 wrote to memory of 3068	2896	SOA.exe	32
PID 2896 wrote to memory of 3068	2896	SOA.exe	32
PID 2896 wrote to memory of 3068	2896	SOA.exe	32
PID 3068 wrote to memory of 2084	3068	NETSTAT.EXE	33
PID 3068 wrote to memory of 2084	3068	NETSTAT.EXE	33
PID 3068 wrote to memory of 2084	3068	NETSTAT.EXE	33
PID 3068 wrote to memory of 2084	3068	NETSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1372
- C:\Users\Admin\AppData\Local\Temp\SOA.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3048
- - 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\SOA.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2876
- - C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    3⤵
    - 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:2896
  - - C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Gathers network information
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3068
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

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/1372-20-0x0000000006490000-0x0000000006557000-memory.dmp

Filesize
796KB

Download
memory/1372-28-0x0000000007380000-0x00000000074DF000-memory.dmp

Filesize
1.4MB

Download
memory/1372-24-0x0000000006490000-0x0000000006557000-memory.dmp

Filesize
796KB

Download
memory/2896-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2896-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2896-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2896-19-0x00000000002E0000-0x00000000002F4000-memory.dmp

Filesize
80KB

Download
memory/2896-16-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/2896-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2896-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3048-15-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-4-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/3048-7-0x00000000048B0000-0x0000000004926000-memory.dmp

Filesize
472KB

Download
memory/3048-6-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/3048-3-0x00000000047D0000-0x000000000485C000-memory.dmp

Filesize
560KB

Download
memory/3048-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-5-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/3048-1-0x0000000000BE0000-0x0000000000C74000-memory.dmp

Filesize
592KB

Download
memory/3068-26-0x0000000000B10000-0x0000000000B19000-memory.dmp

Filesize
36KB

Download
memory/3068-27-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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