formbook | bf7619fa136dc46e5612bdd8635e13618db486f01bb18716713a25b096331d30

General

Target

RFQ2403.exe
Size

589KB
MD5

23f2b134d5b7bce69858d4fe46e70aa2
SHA1

90f75b12b19e4dddab93fedb2da88bfacaf2344e
SHA256

bf7619fa136dc46e5612bdd8635e13618db486f01bb18716713a25b096331d30
SHA512

01ce8f2a22f18bda803c65163a9e034ca31c329c5a9c62e7f253fe69afe842e53414b1fc4753994fa4272bd270b58786537d3f16037711e9219dd9da2997e091
SSDEEP

12288:uQ8bQb9PnYoAMnmgQqdARAkgnChnt8w/zpTEKPUHL9ZBtrML9dS0DFy:uTIR0MagsgnCht8w/dTEKPU38S0Dc

Score

10^/10

formbook g29o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g29o

Decoy

edplanethomes.homes

aimin.club

amacheerguide.online

bcddpza.bond

ediamarketplace.online

ynasty.wine

hengsui.top

ousy.fashion

en-mud.xyz

etcall.tech

harity-50528.bond

iski.world

ikelai6.pro

areemeh.info

eitert-suhre-lengerich.audi

959725vkjdngl559.top

73qp28bu.autos

lassiin.shop

audementalplus.online

3win9.cyou

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/2448-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2448-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2652-24-0x00000000000C0000-0x00000000000EF000-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
2180	powershell.exe

Deletes itself 1 IoCs

pid	Process
2788	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 2448	1924	RFQ2403.exe	33
PID 2448 set thread context of 1192	2448	RFQ2403.exe	21
PID 2652 set thread context of 1192	2652	wininit.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 4 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	RFQ2403.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1924	RFQ2403.exe
1924	RFQ2403.exe
2448	RFQ2403.exe
2448	RFQ2403.exe
2180	powershell.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe
2652	wininit.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2448	RFQ2403.exe
2448	RFQ2403.exe
2448	RFQ2403.exe
2652	wininit.exe
2652	wininit.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	RFQ2403.exe
Token: SeDebugPrivilege	2448	RFQ2403.exe
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeDebugPrivilege	2652	wininit.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2180	1924	RFQ2403.exe	31
PID 1924 wrote to memory of 2180	1924	RFQ2403.exe	31
PID 1924 wrote to memory of 2180	1924	RFQ2403.exe	31
PID 1924 wrote to memory of 2180	1924	RFQ2403.exe	31
PID 1924 wrote to memory of 2448	1924	RFQ2403.exe	33
PID 1924 wrote to memory of 2448	1924	RFQ2403.exe	33
PID 1924 wrote to memory of 2448	1924	RFQ2403.exe	33
PID 1924 wrote to memory of 2448	1924	RFQ2403.exe	33
PID 1924 wrote to memory of 2448	1924	RFQ2403.exe	33
PID 1924 wrote to memory of 2448	1924	RFQ2403.exe	33
PID 1924 wrote to memory of 2448	1924	RFQ2403.exe	33
PID 1192 wrote to memory of 2652	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2652	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2652	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2652	1192	Explorer.EXE	34
PID 2652 wrote to memory of 2788	2652	wininit.exe	35
PID 2652 wrote to memory of 2788	2652	wininit.exe	35
PID 2652 wrote to memory of 2788	2652	wininit.exe	35
PID 2652 wrote to memory of 2788	2652	wininit.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\RFQ2403.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ2403.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1924
- - 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\RFQ2403.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2180
- - C:\Users\Admin\AppData\Local\Temp\RFQ2403.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ2403.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2448
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.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:2652
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\RFQ2403.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2788

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/1192-26-0x00000000064D0000-0x0000000006616000-memory.dmp

Filesize
1.3MB

Download
memory/1192-20-0x00000000064D0000-0x0000000006616000-memory.dmp

Filesize
1.3MB

Download
memory/1924-15-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1924-1-0x0000000000C70000-0x0000000000D0A000-memory.dmp

Filesize
616KB

Download
memory/1924-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1924-3-0x0000000000330000-0x0000000000342000-memory.dmp

Filesize
72KB

Download
memory/1924-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/1924-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1924-6-0x0000000004E70000-0x0000000004EE6000-memory.dmp

Filesize
472KB

Download
memory/1924-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2448-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2448-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2448-16-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2448-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2448-19-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2448-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2448-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2652-23-0x0000000000780000-0x000000000079A000-memory.dmp

Filesize
104KB

Download
memory/2652-24-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

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