formbook | 795a83d84b04c245a8b0ad9221ea20a4635ad6654f22d533f499a5523ee2fe71

General

Target

Payment Slip copy.scr
Size

618KB
MD5

9516fc51941956b460ca13cce642284f
SHA1

dd0844cffa29d997465067f127d850a9924768cf
SHA256

795a83d84b04c245a8b0ad9221ea20a4635ad6654f22d533f499a5523ee2fe71
SHA512

69e33849cf1631d2f998a7c3f168eea0de7065f5acd7c246f32e85e28cd2aa129918cb59f19b6227829bb4bc1d89c197547db683bfaa54af3dadd2106d4c94ec
SSDEEP

12288:2U+ovYgcf3FgNsOS86CKLlxO9D78qp/+lXvk1yxmnInyroBrFBGkJmAiyUkR:x+oBcf3mNsODp2lX8Ym58BrnGkIANT

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/948-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/948-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2768-22-0x0000000000080000-0x00000000000AF000-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
2772	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 948	2124	Payment Slip copy.scr	33
PID 948 set thread context of 1260	948	RegSvcs.exe	21
PID 2768 set thread context of 1260	2768	cmmon32.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	Payment Slip copy.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
948	RegSvcs.exe
948	RegSvcs.exe
2772	powershell.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
948	RegSvcs.exe
948	RegSvcs.exe
948	RegSvcs.exe
2768	cmmon32.exe
2768	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	RegSvcs.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	2768	cmmon32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2772	2124	Payment Slip copy.scr	31
PID 2124 wrote to memory of 2772	2124	Payment Slip copy.scr	31
PID 2124 wrote to memory of 2772	2124	Payment Slip copy.scr	31
PID 2124 wrote to memory of 2772	2124	Payment Slip copy.scr	31
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 2124 wrote to memory of 948	2124	Payment Slip copy.scr	33
PID 1260 wrote to memory of 2768	1260	Explorer.EXE	34
PID 1260 wrote to memory of 2768	1260	Explorer.EXE	34
PID 1260 wrote to memory of 2768	1260	Explorer.EXE	34
PID 1260 wrote to memory of 2768	1260	Explorer.EXE	34
PID 2768 wrote to memory of 2800	2768	cmmon32.exe	35
PID 2768 wrote to memory of 2800	2768	cmmon32.exe	35
PID 2768 wrote to memory of 2800	2768	cmmon32.exe	35
PID 2768 wrote to memory of 2800	2768	cmmon32.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\Payment Slip copy.scr
  "C:\Users\Admin\AppData\Local\Temp\Payment Slip copy.scr" /S
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - 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\Payment Slip copy.scr"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2772
- - 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:948
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2768
- - 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:2800

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/948-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/948-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/948-16-0x0000000000230000-0x0000000000244000-memory.dmp

Filesize
80KB

Download
memory/948-13-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/948-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/948-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/948-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1260-25-0x00000000072D0000-0x000000000740A000-memory.dmp

Filesize
1.2MB

Download
memory/1260-17-0x00000000072D0000-0x000000000740A000-memory.dmp

Filesize
1.2MB

Download
memory/2124-5-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2124-7-0x0000000000FA0000-0x0000000001016000-memory.dmp

Filesize
472KB

Download
memory/2124-6-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2124-4-0x00000000004C0000-0x00000000004D8000-memory.dmp

Filesize
96KB

Download
memory/2124-3-0x0000000004880000-0x000000000491A000-memory.dmp

Filesize
616KB

Download
memory/2124-18-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-1-0x0000000001110000-0x00000000011AC000-memory.dmp

Filesize
624KB

Download
memory/2768-21-0x0000000000F80000-0x0000000000F8D000-memory.dmp

Filesize
52KB

Download
memory/2768-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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