formbook | 6ff413f117319047dd857d0a83ccc87d32a81a4343f4fd0625840f6b1a70dd2b

Analysis

max time kernel
146s
max time network
134s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 23:27

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General

Target

PAGO_101024.rar
Size

704KB
MD5

265adb7c0266790b95474e5390b9b115
SHA1

affd93240351230727c92b3dce337b8f53e053fd
SHA256

6ff413f117319047dd857d0a83ccc87d32a81a4343f4fd0625840f6b1a70dd2b
SHA512

594a4f43404a472661119ba09278f275d62dd6040a2a1b69e500878aae7115959e6c5383930fe4ec0e673e62005160d3f737cec35a118d23a4ae9187d9906d50
SSDEEP

12288:U2EW0ljBZ6iNy6g9V/zzb9yjscfvl+e49DvsBq5Jv4XWgVUArMBtpYVrweObAREO:CZ6iN+5z1yjs4vh4uwMXUbnqVcjWE89

Score

10^/10

formbook bc01 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc01

Decoy

epatitis-treatment-26155.bond

52cy67sk.bond

nline-degree-6987776.world

ingxingdiandeng-2033.top

mberbreeze.cyou

48xc300mw.autos

obs-for-seniors-39582.bond

tpetersburg-3-tonn.online

egafon-parser.online

172jh.shop

ltraman.pro

bqfhnys.shop

ntercash24-cad.homes

uhtwister.cloud

alk-in-tubs-27353.bond

ucas-saaad.buzz

oko.events

8080713.xyz

refabricated-homes-74404.bond

inaa.boo

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2748-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2884-32-0x0000000000130000-0x000000000015F000-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

Executes dropped EXE 3 IoCs

pid	Process
2540	PAGO_101024.exe
2756	PAGO_101024.exe
2748	PAGO_101024.exe

Loads dropped DLL 2 IoCs

pid	Process
2540	PAGO_101024.exe
2540	PAGO_101024.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2748	2540	PAGO_101024.exe	35
PID 2748 set thread context of 1236	2748	PAGO_101024.exe	21
PID 2884 set thread context of 1236	2884	rundll32.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PAGO_101024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2540	PAGO_101024.exe
2540	PAGO_101024.exe
2236	7zFM.exe
2748	PAGO_101024.exe
2748	PAGO_101024.exe
2896	powershell.exe
2236	7zFM.exe
2236	7zFM.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2236	7zFM.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2748	PAGO_101024.exe
2748	PAGO_101024.exe
2748	PAGO_101024.exe
2884	rundll32.exe
2884	rundll32.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeRestorePrivilege	2236	7zFM.exe
Token: 35	2236	7zFM.exe
Token: SeSecurityPrivilege	2236	7zFM.exe
Token: SeDebugPrivilege	2540	PAGO_101024.exe
Token: SeDebugPrivilege	2748	PAGO_101024.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	2884	rundll32.exe
Token: SeShutdownPrivilege	1236	Explorer.EXE
Token: SeShutdownPrivilege	1236	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2236	7zFM.exe
2236	7zFM.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2540	2236	7zFM.exe	31
PID 2236 wrote to memory of 2540	2236	7zFM.exe	31
PID 2236 wrote to memory of 2540	2236	7zFM.exe	31
PID 2236 wrote to memory of 2540	2236	7zFM.exe	31
PID 2540 wrote to memory of 2896	2540	PAGO_101024.exe	32
PID 2540 wrote to memory of 2896	2540	PAGO_101024.exe	32
PID 2540 wrote to memory of 2896	2540	PAGO_101024.exe	32
PID 2540 wrote to memory of 2896	2540	PAGO_101024.exe	32
PID 2540 wrote to memory of 2756	2540	PAGO_101024.exe	34
PID 2540 wrote to memory of 2756	2540	PAGO_101024.exe	34
PID 2540 wrote to memory of 2756	2540	PAGO_101024.exe	34
PID 2540 wrote to memory of 2756	2540	PAGO_101024.exe	34
PID 2540 wrote to memory of 2748	2540	PAGO_101024.exe	35
PID 2540 wrote to memory of 2748	2540	PAGO_101024.exe	35
PID 2540 wrote to memory of 2748	2540	PAGO_101024.exe	35
PID 2540 wrote to memory of 2748	2540	PAGO_101024.exe	35
PID 2540 wrote to memory of 2748	2540	PAGO_101024.exe	35
PID 2540 wrote to memory of 2748	2540	PAGO_101024.exe	35
PID 2540 wrote to memory of 2748	2540	PAGO_101024.exe	35
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	36
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	36
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	36
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	36
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	36
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	36
PID 1236 wrote to memory of 2884	1236	Explorer.EXE	36
PID 2884 wrote to memory of 2612	2884	rundll32.exe	37
PID 2884 wrote to memory of 2612	2884	rundll32.exe	37
PID 2884 wrote to memory of 2612	2884	rundll32.exe	37
PID 2884 wrote to memory of 2612	2884	rundll32.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\PAGO_101024.rar"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe
    "C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - 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\7zOCB85ECC6\PAGO_101024.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2896
  - - C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe"
      4⤵
      Executes dropped EXE
      PID:2756
  - - C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2748
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zOCB85ECC6\PAGO_101024.exe

Filesize
773KB

MD5
fcd48a04f4f33f345261a97b86922349

SHA1
9cb919cacbca53efc79d4c2061f26c503d2927f9

SHA256
8c3b7bab6d9c32f813aa49cc65578049f516dd8607f6b2b43fd1e696d5b86988

SHA512
9b3537b7b73847078d045a0245780cc851cdd772d8f2fb88b95adc523f32d35f33aca8451135a43746d6691edd48bdd7f7f68fb447c401cf1c9f03543b1c905a

Download Submit
memory/1236-35-0x0000000006A80000-0x0000000006B8B000-memory.dmp

Filesize
1.0MB

Download
memory/1236-28-0x0000000003120000-0x0000000003220000-memory.dmp

Filesize
1024KB

Download
memory/2540-12-0x0000000000170000-0x0000000000238000-memory.dmp

Filesize
800KB

Download
memory/2540-13-0x0000000000470000-0x0000000000482000-memory.dmp

Filesize
72KB

Download
memory/2540-14-0x00000000052B0000-0x0000000005338000-memory.dmp

Filesize
544KB

Download
memory/2748-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2884-29-0x0000000000090000-0x000000000009E000-memory.dmp

Filesize
56KB

Download
memory/2884-31-0x0000000000090000-0x000000000009E000-memory.dmp

Filesize
56KB

Download
memory/2884-32-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download