formbook | 09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef

General

Target

09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
Size

608KB
MD5

087a92aaf0a59bf4f54fafaae7b6a027
SHA1

a00135a4131ee743347f0ca3b3ac14427d008360
SHA256

09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef
SHA512

3647d3c39bf93e5d6b429392296e469218d855e41894545a91fd51a5dbae5830784506a4c224e106824131e312c47944cf07b23b594d6de5e0b5eabec5cf5d1f
SSDEEP

12288:VV8wtNDc2pZ/Mrr8ya2DG/ARyQg5f5Yk/Z3qOoUD6QA:fFcmZErIZ0zg59R3qNAl

Score

10^/10

formbook as89 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

as89

Decoy

followcb.site

salutemanagement.com

shishiganggang.com

vanthuhay.xyz

nujekos.info

duckylucknodepositbonus.icu

ilemuelgroup.com

healnap.com

rezekitoto41.com

magicians-amino.click

fqr4dh.club

00050153.xyz

touchless-scoreboard.com

journaganstruevalue.com

connectingconcepts.biz

winraja88.com

mezcantina.com

cosmosfashions.com

dltholdingsandinvestments.com

vonlineb.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2180-10-0x0000000000400000-0x000000000042F000-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
2932	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33

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	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2180	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
2932	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2932	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	31
PID 2116 wrote to memory of 2932	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	31
PID 2116 wrote to memory of 2932	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	31
PID 2116 wrote to memory of 2932	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	31
PID 2116 wrote to memory of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33
PID 2116 wrote to memory of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33
PID 2116 wrote to memory of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33
PID 2116 wrote to memory of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33
PID 2116 wrote to memory of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33
PID 2116 wrote to memory of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33
PID 2116 wrote to memory of 2180	2116	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	33

C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
"C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- 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\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
  "C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2180

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/2116-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000000170000-0x000000000020E000-memory.dmp

Filesize
632KB

Download
memory/2116-2-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-3-0x0000000000470000-0x0000000000480000-memory.dmp

Filesize
64KB

Download
memory/2116-4-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/2116-5-0x0000000000890000-0x0000000000906000-memory.dmp

Filesize
472KB

Download
memory/2116-11-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2180-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2180-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2180-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2180-12-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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