formbook | afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/01/2025, 12:46

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General

Target

afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe
Size

707KB
MD5

63315d4b2f33eebdc4b2ef5e139c02b3
SHA1

ea275731bf03093e1b5364129d365fb908b2802d
SHA256

afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857
SHA512

9033a23e9d2042bb66b679e9c39933fb563847f133f85717d7cbc8bf1610c2720287fbe50d38de53046e73184cf90572d6be8f890322e8888670a47f5e8d1c86
SSDEEP

12288:TF0dkI8Xp4gnV2v8gWfRhkMpCof0xrQ53Ms8a+U/gSaE55BO3Uug1o474q7Z:TudexQ8PfLJRf0FQ53S1NSHjzuU+w

Score

10^/10

formbook a01d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2904-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2904-29-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/528-31-0x00000000000C0000-0x00000000000EF000-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
2976	powershell.exe
2600	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2904 set thread context of 1148	2904	RegSvcs.exe	20
PID 2904 set thread context of 1148	2904	RegSvcs.exe	20
PID 528 set thread context of 1148	528	chkdsk.exe	20

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 7 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	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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.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
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe
2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe
2904	RegSvcs.exe
2600	powershell.exe
2976	powershell.exe
2904	RegSvcs.exe
2904	RegSvcs.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2904	RegSvcs.exe
2904	RegSvcs.exe
2904	RegSvcs.exe
2904	RegSvcs.exe
528	chkdsk.exe
528	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	2904	RegSvcs.exe
Token: SeDebugPrivilege	528	chkdsk.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2976	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	31
PID 2764 wrote to memory of 2976	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	31
PID 2764 wrote to memory of 2976	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	31
PID 2764 wrote to memory of 2976	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	31
PID 2764 wrote to memory of 2600	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	33
PID 2764 wrote to memory of 2600	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	33
PID 2764 wrote to memory of 2600	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	33
PID 2764 wrote to memory of 2600	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	33
PID 2764 wrote to memory of 2716	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	34
PID 2764 wrote to memory of 2716	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	34
PID 2764 wrote to memory of 2716	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	34
PID 2764 wrote to memory of 2716	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	34
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2764 wrote to memory of 2904	2764	afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe	37
PID 2904 wrote to memory of 528	2904	RegSvcs.exe	38
PID 2904 wrote to memory of 528	2904	RegSvcs.exe	38
PID 2904 wrote to memory of 528	2904	RegSvcs.exe	38
PID 2904 wrote to memory of 528	2904	RegSvcs.exe	38
PID 528 wrote to memory of 672	528	chkdsk.exe	39
PID 528 wrote to memory of 672	528	chkdsk.exe	39
PID 528 wrote to memory of 672	528	chkdsk.exe	39
PID 528 wrote to memory of 672	528	chkdsk.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1148
- C:\Users\Admin\AppData\Local\Temp\afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe
  "C:\Users\Admin\AppData\Local\Temp\afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2764
- - 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\afa20273425a5657b4e2d93938d497efea89a8a1ea35bcd590e52d5225f99857.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2976
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cieYBQwi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2600
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cieYBQwi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25AA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2716
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:528
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:672

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

Query Registry

T1012

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\tmp25AA.tmp

Filesize
1KB

MD5
0c2888e0553cb2cd5872b4666cd3798b

SHA1
dc2a8b6003e8a382dce00eaeda1eb4501556ebf1

SHA256
9ffa58070500983e854081179f74e2e493961d4c89dfd67e8fa20dc085f0e181

SHA512
682b5bd7547dd18e28efbe9e298eabf64d63ba86653be1132e51b6a6f40ba18b8eea6fe7394b04df0c1a55ffac18bb1d8bb5c33fdba68d821a47625ae0f2b7c5

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

Filesize
7KB

MD5
410d10b71baffed7b4ddd561f7e117d4

SHA1
6e421dcdd6e2754e4b3165466d2f05c24e39bec0

SHA256
77db3eef00e54b66fae04331d1d545ac5af7d868b5ea6df308844a389a19e462

SHA512
9e8aae039028f9876a30fdb99660b4078e0ba57c3cb2ed420d520f547f560f525e2465491695160081358aae1946d62fca73c6dd13fdb88af768fba05228a394

Download Submit
memory/528-31-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/528-30-0x0000000000260000-0x0000000000267000-memory.dmp

Filesize
28KB

Download
memory/1148-28-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2764-4-0x00000000003F0000-0x0000000000416000-memory.dmp

Filesize
152KB

Download
memory/2764-3-0x0000000004FD0000-0x000000000507E000-memory.dmp

Filesize
696KB

Download
memory/2764-7-0x0000000004150000-0x00000000041C8000-memory.dmp

Filesize
480KB

Download
memory/2764-5-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/2764-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/2764-1-0x0000000000B30000-0x0000000000BE8000-memory.dmp

Filesize
736KB

Download
memory/2764-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-6-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-26-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-29-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download