formbook | c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626

General

Target

c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
Size

698KB
MD5

37deb8c1285c7787fe88a51b5064a435
SHA1

e1b6a0133717759f4eff3072b3930996004df498
SHA256

c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626
SHA512

178bad353bf4b837a743f972bde48a357a48c0d747a5ea23294030811eef60f5fac02a3f0cfe7c50e27a2d0eaeb9f3144ecd8aeb6c3684cae8acbf5782c7521e
SSDEEP

12288:aGZKzvFdBKYvI8TNmO6y4l22pStzZrwV7FD+j6o7jTFUNPkR:EdO6NN74lj8zRwV7AXnFUNK

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2852-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2852-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2852-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/704-27-0x00000000000C0000-0x00000000000EF000-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
2896	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2852 set thread context of 1216	2852	RegSvcs.exe	21
PID 2852 set thread context of 1216	2852	RegSvcs.exe	21
PID 704 set thread context of 1216	704	NAPSTAT.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2852	RegSvcs.exe
2852	RegSvcs.exe
2896	powershell.exe
2852	RegSvcs.exe
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE
704	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2852	RegSvcs.exe
2852	RegSvcs.exe
2852	RegSvcs.exe
2852	RegSvcs.exe
704	NAPSTAT.EXE
704	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	RegSvcs.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	704	NAPSTAT.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2896	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	30
PID 2720 wrote to memory of 2896	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	30
PID 2720 wrote to memory of 2896	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	30
PID 2720 wrote to memory of 2896	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	30
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 2720 wrote to memory of 2852	2720	c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe	31
PID 1216 wrote to memory of 704	1216	Explorer.EXE	33
PID 1216 wrote to memory of 704	1216	Explorer.EXE	33
PID 1216 wrote to memory of 704	1216	Explorer.EXE	33
PID 1216 wrote to memory of 704	1216	Explorer.EXE	33
PID 704 wrote to memory of 1060	704	NAPSTAT.EXE	34
PID 704 wrote to memory of 1060	704	NAPSTAT.EXE	34
PID 704 wrote to memory of 1060	704	NAPSTAT.EXE	34
PID 704 wrote to memory of 1060	704	NAPSTAT.EXE	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe
  "C:\Users\Admin\AppData\Local\Temp\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2720
- - 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\c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2896
- - 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:2852
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.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:704
- - 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:1060

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/704-27-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/704-26-0x0000000000DC0000-0x0000000000E06000-memory.dmp

Filesize
280KB

Download
memory/1216-16-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1216-24-0x0000000005280000-0x00000000053C5000-memory.dmp

Filesize
1.3MB

Download
memory/1216-19-0x0000000005280000-0x00000000053C5000-memory.dmp

Filesize
1.3MB

Download
memory/2720-20-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-0-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2720-1-0x0000000000F90000-0x0000000001040000-memory.dmp

Filesize
704KB

Download
memory/2720-2-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-3-0x0000000000AD0000-0x0000000000AE8000-memory.dmp

Filesize
96KB

Download
memory/2720-6-0x0000000005BE0000-0x0000000005C56000-memory.dmp

Filesize
472KB

Download
memory/2720-4-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2720-5-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-14-0x0000000000B40000-0x0000000000E43000-memory.dmp

Filesize
3.0MB

Download
memory/2852-18-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/2852-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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