formbook | 6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 06:42

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General

Target

6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe
Size

951KB
MD5

0f8b25c9345e2ed5260be4bf5b211afa
SHA1

bb23f6c23ce11f72aced21026704c577e6dbe475
SHA256

6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b
SHA512

d42c9ff75c31866d826d0b255778f19627403dff43fe0e230505ed60c633ccf6fee7a459f6e9112c830755cac4c42225cfe3952bfbb1e9fad2ad1b44f6561e89
SSDEEP

24576:vjU5g0H7t3qc6KcVjcEjUX0AjBVPzli5SymgxScOqIrS:vjH0bt3D6fJUXZjP7E5SyxxUfS

Score

10^/10

formbook g43m discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g43m

Decoy

8328.shop

kronoseletronicos.online

pasanghoki3.homes

comitatogroscavallo.info

online-advertising-96729.bond

cpt1025.top

news-xzurufo.xyz

zycr.shop

loanplan.xyz

osipovs.digital

pgflow.cloud

alooytv17.shop

swirlstakedtawkee.cloud

sipoja.shop

senior-living-17169.bond

junepages.online

heavydutyweld.shop

smarminds.xyz

alistika.info

staplerl.shop

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/2728-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2540-31-0x00000000000F0000-0x000000000011F000-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
2828	powershell.exe
2656	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 868 set thread context of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 2728 set thread context of 1208	2728	RegSvcs.exe	21
PID 2540 set thread context of 1208	2540	msiexec.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	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.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	msiexec.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
2760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe
868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe
868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe
868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe
2656	powershell.exe
2828	powershell.exe
2728	RegSvcs.exe
2728	RegSvcs.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe
2540	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2728	RegSvcs.exe
2728	RegSvcs.exe
2728	RegSvcs.exe
2540	msiexec.exe
2540	msiexec.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	2828	powershell.exe
Token: SeDebugPrivilege	2728	RegSvcs.exe
Token: SeDebugPrivilege	2540	msiexec.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 2828	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	31
PID 868 wrote to memory of 2828	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	31
PID 868 wrote to memory of 2828	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	31
PID 868 wrote to memory of 2828	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	31
PID 868 wrote to memory of 2656	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	33
PID 868 wrote to memory of 2656	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	33
PID 868 wrote to memory of 2656	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	33
PID 868 wrote to memory of 2656	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	33
PID 868 wrote to memory of 2760	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	35
PID 868 wrote to memory of 2760	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	35
PID 868 wrote to memory of 2760	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	35
PID 868 wrote to memory of 2760	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	35
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 868 wrote to memory of 2728	868	6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe	37
PID 1208 wrote to memory of 2540	1208	Explorer.EXE	38
PID 1208 wrote to memory of 2540	1208	Explorer.EXE	38
PID 1208 wrote to memory of 2540	1208	Explorer.EXE	38
PID 1208 wrote to memory of 2540	1208	Explorer.EXE	38
PID 1208 wrote to memory of 2540	1208	Explorer.EXE	38
PID 1208 wrote to memory of 2540	1208	Explorer.EXE	38
PID 1208 wrote to memory of 2540	1208	Explorer.EXE	38
PID 2540 wrote to memory of 1056	2540	msiexec.exe	39
PID 2540 wrote to memory of 1056	2540	msiexec.exe	39
PID 2540 wrote to memory of 1056	2540	msiexec.exe	39
PID 2540 wrote to memory of 1056	2540	msiexec.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe
  "C:\Users\Admin\AppData\Local\Temp\6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:868
- - 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\6fd9c6bfabb7d59ece6435c1b797619e2149353a1e5849766c5688c7da59c77b.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2828
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CtZuTA.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2656
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CtZuTA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E80.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2760
- - 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:2728
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:2540
- - 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:1056

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\tmp2E80.tmp

Filesize
1KB

MD5
ea2c6d63457ad047ddf902f753e3bf4d

SHA1
ed3178858d4e42f83d8eec2734f1b6db14a8c8d6

SHA256
940e4e829a21a171a253960443858e1a7bd9836f5d79e52d19e6c9a1578ba43d

SHA512
a3c8d9ab269888f39771bd195ef4cf7e95a46ac961f6f1bd67de9f0dd125212513167f67c6d1afb4a9e7f2b62044aced079f60c4e951122d858c4861a234e5aa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZWYCS8X1KNTWPZJGG9S0.temp

Filesize
7KB

MD5
e03de3fa670abdab57ee887577269ffb

SHA1
c7679bfd8604e75d2b42b188582661eb74a918ac

SHA256
6ff13a5c488f5bdb516020609171d90cbfd96c2b7d6e655c8560a4168ca0b13a

SHA512
306a6471bec5fd03da73a50575dfd86b13234246f1a0c65bcf363e23df94c5a2739203841d0d3f6d2f1dee4b77976f4140a78278eeb7f05c3bae38e64e61a500

Download Submit
memory/868-4-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/868-1-0x00000000010C0000-0x00000000011B0000-memory.dmp

Filesize
960KB

Download
memory/868-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/868-5-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/868-6-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/868-7-0x0000000000B70000-0x0000000000BEA000-memory.dmp

Filesize
488KB

Download
memory/868-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/868-3-0x0000000004FF0000-0x00000000050C6000-memory.dmp

Filesize
856KB

Download
memory/868-27-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-28-0x00000000000A0000-0x00000000000B4000-memory.dmp

Filesize
80KB

Download
memory/2540-30-0x00000000000A0000-0x00000000000B4000-memory.dmp

Filesize
80KB

Download
memory/2540-31-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download
memory/2728-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download