formbook | 4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7

Analysis

max time kernel
147s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 02:32

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General

Target

4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe
Size

686KB
MD5

f4baa9409762369cc74c71b874fde345
SHA1

e5e1e63ef2c57a696f4ee469765fe1f1c8e0702f
SHA256

4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7
SHA512

1e06773fab9076c455b31d17f110e3a032bd138705ba20e8a56633ad3dcec289746bfd2daa01e9135f8410fe97415242524c90324a57346f77e3dba4b4280f6d
SSDEEP

12288:ePYu7+JyLBTcfqdKf6fyxt5sWHpok9DxCZ/oqERWuw:B/JOBTcH6fEPsGBdxCPEgu

Score

10^/10

formbook a03d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.net

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2832-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2808-28-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2052	powershell.exe
1756	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2832 set thread context of 1184	2832	RegSvcs.exe	21
PID 2808 set thread context of 1184	2808	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 6 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	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe
2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe
2052	powershell.exe
1756	powershell.exe
2832	RegSvcs.exe
2832	RegSvcs.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe
2808	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2832	RegSvcs.exe
2832	RegSvcs.exe
2832	RegSvcs.exe
2808	cmmon32.exe
2808	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe
Token: SeDebugPrivilege	2052	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeDebugPrivilege	2832	RegSvcs.exe
Token: SeDebugPrivilege	2808	cmmon32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2052	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	30
PID 2192 wrote to memory of 2052	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	30
PID 2192 wrote to memory of 2052	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	30
PID 2192 wrote to memory of 2052	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	30
PID 2192 wrote to memory of 1756	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	32
PID 2192 wrote to memory of 1756	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	32
PID 2192 wrote to memory of 1756	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	32
PID 2192 wrote to memory of 1756	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	32
PID 2192 wrote to memory of 1704	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	33
PID 2192 wrote to memory of 1704	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	33
PID 2192 wrote to memory of 1704	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	33
PID 2192 wrote to memory of 1704	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	33
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 2192 wrote to memory of 2832	2192	4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe	36
PID 1184 wrote to memory of 2808	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2808	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2808	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2808	1184	Explorer.EXE	37
PID 2808 wrote to memory of 2752	2808	cmmon32.exe	38
PID 2808 wrote to memory of 2752	2808	cmmon32.exe	38
PID 2808 wrote to memory of 2752	2808	cmmon32.exe	38
PID 2808 wrote to memory of 2752	2808	cmmon32.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe
  "C:\Users\Admin\AppData\Local\Temp\4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2192
- - 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\4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2052
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YXDkrwQCi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1756
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YXDkrwQCi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB56.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1704
- - 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:2832
- 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:2808
- - 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:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB56.tmp

Filesize
1KB

MD5
b4c12d91a00d41f7ed13dfef7ce75c01

SHA1
0aedbf0d1baba3dab70dbdf0f4003877c55e638d

SHA256
56bbf86a02c8a342acd5e413fb77e32da70f5dae2a95ba8250b849386142d700

SHA512
7a026dd13726b0de2479acaa48a5334dd98a0cdfc8d5df37ede5c6a3e04b52cc33457225da6c56790d1d8805fed6baad8fed9d2f3d353ff83bc607995d6b8f35

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
72e80a26181b891778d654787e1c3806

SHA1
a39b5d88cadef7e4d978586e683d27a31594e3fe

SHA256
3328574f5c071c2f00095484bed469cfc5ed167f1f47d37b064582d5c9f49908

SHA512
5e4f5bdc38df124e3312d597d771f5fa17dff217bb48978dbb36ac322525dd68e026798b21997e4434bc476b513d0c8c5d4fbb6f73e1891ad439baa103e3ff12

Download Submit
memory/2192-4-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2192-25-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2192-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2192-5-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2192-6-0x0000000000180000-0x00000000001F8000-memory.dmp

Filesize
480KB

Download
memory/2192-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2192-1-0x00000000013A0000-0x0000000001452000-memory.dmp

Filesize
712KB

Download
memory/2192-3-0x00000000003F0000-0x000000000040E000-memory.dmp

Filesize
120KB

Download
memory/2808-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2808-27-0x0000000000470000-0x000000000047D000-memory.dmp

Filesize
52KB

Download
memory/2832-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download