formbook | fef0d0e16559f3c10c8a414b00433d165f132b4444ddc2a7033ab7a2e1bb7604

Analysis

max time kernel
146s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 05:57

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General

Target

RFQ 2411001.exe
Size

692KB
MD5

a4141cc2bdd9f0d2384da197fa0d7fc8
SHA1

81c10a379abde1a806828a649592e7fa21e5f8fb
SHA256

fef0d0e16559f3c10c8a414b00433d165f132b4444ddc2a7033ab7a2e1bb7604
SHA512

4cdf9bc063aa112a9079df7dc4d08784fd1e42c4d20a4000f55e951aadaf08115ae6a1f7a51fa8f77b036b4773b8d6f4940cd0ee8c9e77486017d13929c6a6f4
SSDEEP

12288:yLc6LweloldgJ4gD8sL0TPPuiUspz11KZt0P8x7qXZlpoqMu4UXL3LgkR:yJLweKdxg4C0zPrrpz1yUM0ht4UXjT

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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
behavioral2/memory/5024-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5024-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5024-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3480-73-0x0000000000EE0000-0x0000000000F0F000-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
2108	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	RFQ 2411001.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 232 set thread context of 5024	232	RFQ 2411001.exe	88
PID 5024 set thread context of 3516	5024	RFQ 2411001.exe	56
PID 5024 set thread context of 3516	5024	RFQ 2411001.exe	56
PID 3480 set thread context of 3516	3480	rundll32.exe	56

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	RFQ 2411001.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
232	RFQ 2411001.exe
232	RFQ 2411001.exe
5024	RFQ 2411001.exe
5024	RFQ 2411001.exe
5024	RFQ 2411001.exe
5024	RFQ 2411001.exe
2108	powershell.exe
2108	powershell.exe
5024	RFQ 2411001.exe
5024	RFQ 2411001.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
5024	RFQ 2411001.exe
5024	RFQ 2411001.exe
5024	RFQ 2411001.exe
5024	RFQ 2411001.exe
3480	rundll32.exe
3480	rundll32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	232	RFQ 2411001.exe
Token: SeDebugPrivilege	5024	RFQ 2411001.exe
Token: SeDebugPrivilege	2108	powershell.exe
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE
Token: SeDebugPrivilege	3480	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 2108	232	RFQ 2411001.exe	86
PID 232 wrote to memory of 2108	232	RFQ 2411001.exe	86
PID 232 wrote to memory of 2108	232	RFQ 2411001.exe	86
PID 232 wrote to memory of 5024	232	RFQ 2411001.exe	88
PID 232 wrote to memory of 5024	232	RFQ 2411001.exe	88
PID 232 wrote to memory of 5024	232	RFQ 2411001.exe	88
PID 232 wrote to memory of 5024	232	RFQ 2411001.exe	88
PID 232 wrote to memory of 5024	232	RFQ 2411001.exe	88
PID 232 wrote to memory of 5024	232	RFQ 2411001.exe	88
PID 3516 wrote to memory of 3480	3516	Explorer.EXE	92
PID 3516 wrote to memory of 3480	3516	Explorer.EXE	92
PID 3516 wrote to memory of 3480	3516	Explorer.EXE	92
PID 3480 wrote to memory of 4024	3480	rundll32.exe	93
PID 3480 wrote to memory of 4024	3480	rundll32.exe	93
PID 3480 wrote to memory of 4024	3480	rundll32.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\RFQ 2411001.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ 2411001.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:232
- - 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\RFQ 2411001.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2108
- - C:\Users\Admin\AppData\Local\Temp\RFQ 2411001.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ 2411001.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5024
- 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:3480
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\RFQ 2411001.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4024

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pxfryen0.z5k.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/232-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/232-1-0x0000000000150000-0x00000000001FE000-memory.dmp

Filesize
696KB

Download
memory/232-2-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/232-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

Filesize
584KB

Download
memory/232-4-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/232-5-0x0000000004AC0000-0x0000000004ACA000-memory.dmp

Filesize
40KB

Download
memory/232-6-0x0000000004D40000-0x0000000004DDC000-memory.dmp

Filesize
624KB

Download
memory/232-7-0x0000000007530000-0x000000000754A000-memory.dmp

Filesize
104KB

Download
memory/232-8-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/232-9-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/232-10-0x0000000007880000-0x00000000078F6000-memory.dmp

Filesize
472KB

Download
memory/232-13-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2108-38-0x0000000005FF0000-0x000000000603C000-memory.dmp

Filesize
304KB

Download
memory/2108-53-0x00000000071B0000-0x0000000007253000-memory.dmp

Filesize
652KB

Download
memory/2108-17-0x0000000004A00000-0x0000000004A36000-memory.dmp

Filesize
216KB

Download
memory/2108-18-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/2108-20-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/2108-31-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/2108-62-0x0000000007600000-0x0000000007608000-memory.dmp

Filesize
32KB

Download
memory/2108-61-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/2108-60-0x0000000007520000-0x0000000007534000-memory.dmp

Filesize
80KB

Download
memory/2108-25-0x00000000058D0000-0x0000000005936000-memory.dmp

Filesize
408KB

Download
memory/2108-24-0x0000000005100000-0x0000000005122000-memory.dmp

Filesize
136KB

Download
memory/2108-33-0x0000000005AB0000-0x0000000005E04000-memory.dmp

Filesize
3.3MB

Download
memory/2108-37-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

Filesize
120KB

Download
memory/2108-14-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/2108-39-0x000000007EEA0000-0x000000007EEB0000-memory.dmp

Filesize
64KB

Download
memory/2108-40-0x0000000007170000-0x00000000071A2000-memory.dmp

Filesize
200KB

Download
memory/2108-41-0x0000000070270000-0x00000000702BC000-memory.dmp

Filesize
304KB

Download
memory/2108-47-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/2108-52-0x0000000006570000-0x000000000658E000-memory.dmp

Filesize
120KB

Download
memory/2108-16-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/2108-54-0x0000000007930000-0x0000000007FAA000-memory.dmp

Filesize
6.5MB

Download
memory/2108-55-0x00000000072E0000-0x00000000072FA000-memory.dmp

Filesize
104KB

Download
memory/2108-56-0x0000000007360000-0x000000000736A000-memory.dmp

Filesize
40KB

Download
memory/2108-57-0x0000000007560000-0x00000000075F6000-memory.dmp

Filesize
600KB

Download
memory/2108-58-0x00000000074E0000-0x00000000074F1000-memory.dmp

Filesize
68KB

Download
memory/2108-59-0x0000000007510000-0x000000000751E000-memory.dmp

Filesize
56KB

Download
memory/3480-70-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/3480-73-0x0000000000EE0000-0x0000000000F0F000-memory.dmp

Filesize
188KB

Download
memory/3480-72-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/3516-68-0x0000000002890000-0x0000000002A3A000-memory.dmp

Filesize
1.7MB

Download
memory/3516-69-0x0000000002A40000-0x0000000002B37000-memory.dmp

Filesize
988KB

Download
memory/3516-23-0x0000000002890000-0x0000000002A3A000-memory.dmp

Filesize
1.7MB

Download
memory/3516-74-0x0000000002A40000-0x0000000002B37000-memory.dmp

Filesize
988KB

Download
memory/3516-78-0x0000000002DD0000-0x0000000002F4D000-memory.dmp

Filesize
1.5MB

Download
memory/5024-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5024-22-0x00000000013E0000-0x00000000013F4000-memory.dmp

Filesize
80KB

Download
memory/5024-67-0x0000000001430000-0x0000000001444000-memory.dmp

Filesize
80KB

Download
memory/5024-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5024-15-0x0000000001520000-0x000000000186A000-memory.dmp

Filesize
3.3MB

Download
memory/5024-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download