formbook | 2ba240529791fea8319f1ac0779d58b0bdfc7c9d83abca2936e3637f77a3da3a

General

Target

RFQ403065852.scr.exe
Size

671KB
MD5

08e03e1ac072ae4e33b1483cd77621e8
SHA1

c349bb0f328ada0a3324ff01d4159aac2c591017
SHA256

2ba240529791fea8319f1ac0779d58b0bdfc7c9d83abca2936e3637f77a3da3a
SHA512

656b6a16ff32ddb4afe7dbbb143914e0dcba6d1649b4e7e79b644f950f90d1cea29c3de3c81eaef77cd2bc2aada3eae322538aad1d51a64e65cfde26984448ba
SSDEEP

12288:1A1tMlqW2L+IRadx/4fqYS8R6FBREVrRFi49hkR:1GtMGL+IRm/YqY1R6LiJry

Score

10^/10

formbook m49z discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m49z

Decoy

ormswarm.xyz

awn-care-63587.bond

uymetanail5.online

mergencyloan007.xyz

545.top

eiliao596.pro

ackersandmoverschennai.net

ehdiahmadvandmusicbest.click

tlgxmb2024.cloud

ulfcoastharborhopper.pro

rohns-disease-early-signs.today

oldenhorizonsbgcl.click

weetindulgencepro.xyz

yexoiup.xyz

yself-solar.net

kfirsatimla.online

bropub3.online

ouljourney.online

usvf76f.shop

onnaberich.online

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/2704-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2704-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2708-19-0x0000000000080000-0x00000000000AF000-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
2696	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 2704	2092	RFQ403065852.scr.exe	32
PID 2704 set thread context of 1184	2704	RegSvcs.exe	21
PID 2708 set thread context of 1184	2708	explorer.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	RFQ403065852.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2704	RegSvcs.exe
2704	RegSvcs.exe
2696	powershell.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe
2708	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2704	RegSvcs.exe
2704	RegSvcs.exe
2704	RegSvcs.exe
2708	explorer.exe
2708	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	RegSvcs.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2708	explorer.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2696	2092	RFQ403065852.scr.exe	30
PID 2092 wrote to memory of 2696	2092	RFQ403065852.scr.exe	30
PID 2092 wrote to memory of 2696	2092	RFQ403065852.scr.exe	30
PID 2092 wrote to memory of 2696	2092	RFQ403065852.scr.exe	30
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 2092 wrote to memory of 2704	2092	RFQ403065852.scr.exe	32
PID 1184 wrote to memory of 2708	1184	Explorer.EXE	33
PID 1184 wrote to memory of 2708	1184	Explorer.EXE	33
PID 1184 wrote to memory of 2708	1184	Explorer.EXE	33
PID 1184 wrote to memory of 2708	1184	Explorer.EXE	33
PID 2708 wrote to memory of 2156	2708	explorer.exe	34
PID 2708 wrote to memory of 2156	2708	explorer.exe	34
PID 2708 wrote to memory of 2156	2708	explorer.exe	34
PID 2708 wrote to memory of 2156	2708	explorer.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\RFQ403065852.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ403065852.scr.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - 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\RFQ403065852.scr.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2696
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2708
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2156

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/2092-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/2092-1-0x00000000011C0000-0x000000000126A000-memory.dmp

Filesize
680KB

Download
memory/2092-2-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2092-3-0x00000000004E0000-0x00000000004F0000-memory.dmp

Filesize
64KB

Download
memory/2092-4-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/2092-5-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2092-6-0x00000000054D0000-0x0000000005546000-memory.dmp

Filesize
472KB

Download
memory/2092-12-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-14-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2704-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-18-0x0000000000C80000-0x0000000000F01000-memory.dmp

Filesize
2.5MB

Download
memory/2708-19-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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