formbook | 637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4

Analysis

max time kernel
146s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 04:02

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General

Target

637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
Size

680KB
MD5

670ec4d161f3b49adb0b58058bed084b
SHA1

5e889f32779fc120704288450fae1bd1dfbd0926
SHA256

637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4
SHA512

a23a569972d95ad0405e3e83a7200eb463abd88ee669ac76a85621e513148979de8e4965cad4cda90bdbe35ff31377e7d579581237f670f73fa008b4b8db9965
SSDEEP

12288:iYnwXaswecl9h8UtmmU2kNntDA7ITIMN8rQnNfkGSdhXZXi6yiah:GweRWmR2IDA7Jo8rQnizdj

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/2296-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2296-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2964-29-0x00000000000D0000-0x00000000000FF000-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
2992	powershell.exe
2764	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2296 set thread context of 1200	2296	RegSvcs.exe	21
PID 2296 set thread context of 1200	2296	RegSvcs.exe	21
PID 2964 set thread context of 1200	2964	NETSTAT.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2964	NETSTAT.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
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
2992	powershell.exe
2296	RegSvcs.exe
2764	powershell.exe
2296	RegSvcs.exe
2296	RegSvcs.exe
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE
2964	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2296	RegSvcs.exe
2296	RegSvcs.exe
2296	RegSvcs.exe
2296	RegSvcs.exe
2964	NETSTAT.EXE
2964	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	2296	RegSvcs.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	2964	NETSTAT.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2992	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	30
PID 2696 wrote to memory of 2992	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	30
PID 2696 wrote to memory of 2992	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	30
PID 2696 wrote to memory of 2992	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	30
PID 2696 wrote to memory of 2764	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	32
PID 2696 wrote to memory of 2764	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	32
PID 2696 wrote to memory of 2764	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	32
PID 2696 wrote to memory of 2764	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	32
PID 2696 wrote to memory of 2916	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	34
PID 2696 wrote to memory of 2916	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	34
PID 2696 wrote to memory of 2916	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	34
PID 2696 wrote to memory of 2916	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	34
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 2696 wrote to memory of 2296	2696	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	36
PID 1200 wrote to memory of 2964	1200	Explorer.EXE	63
PID 1200 wrote to memory of 2964	1200	Explorer.EXE	63
PID 1200 wrote to memory of 2964	1200	Explorer.EXE	63
PID 1200 wrote to memory of 2964	1200	Explorer.EXE	63
PID 2964 wrote to memory of 348	2964	NETSTAT.EXE	64
PID 2964 wrote to memory of 348	2964	NETSTAT.EXE	64
PID 2964 wrote to memory of 348	2964	NETSTAT.EXE	64
PID 2964 wrote to memory of 348	2964	NETSTAT.EXE	64

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
  "C:\Users\Admin\AppData\Local\Temp\637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2696
- - 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\637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2992
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZeqyQbn.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZeqyQbn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6F7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2916
- - 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:2296
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1712
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2508
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1492
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2352
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2000
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1280
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1996
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2780
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2912
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1908
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1928
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2344
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2372
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1924
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1920
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1904
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2672
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:588
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:840
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:864
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1108
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2908
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2704
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2928
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2936
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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:348

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\tmpC6F7.tmp

Filesize
1KB

MD5
51f73152c3714571b422b74067acce80

SHA1
5ceca745297666f870b0d9ccb5820fbffc89de8d

SHA256
562b0c68257472b74e115af67b334bbbbf0ef4961ba8a04688c4650b10c1f83b

SHA512
85deabeef515a976b9168c07e594dbd79f9b628d7bc5b0620ec80c81471f6eaeb5fc02cc291f39e1bdfb7560335e1f3cc82af29a231244546f7c9fe0cb22bfce

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\75AOPBPKITS7EKHRVNOG.temp

Filesize
7KB

MD5
fefc6738c05721ef015dfd6c441bce2f

SHA1
b1e959e9ee4e2e9d6a82a48c92b48d7fc78d6990

SHA256
b75a1b59fba388c6f622481645025fe084c87719af5de6e0b10c4589347a993c

SHA512
beb93a91a3f6c6ff2a224d72acbc955bc2f5c7edf535b94d188bb1ed080662e9827b7f309bfef7feb7b6f3bde254fcfc5bda6d5d966f2b52ff40fffa15eed6f3

Download Submit
memory/2296-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2296-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2696-6-0x0000000001ED0000-0x0000000001F48000-memory.dmp

Filesize
480KB

Download
memory/2696-1-0x0000000000230000-0x00000000002E0000-memory.dmp

Filesize
704KB

Download
memory/2696-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-3-0x0000000000300000-0x000000000031E000-memory.dmp

Filesize
120KB

Download
memory/2696-5-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2696-26-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-4-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2964-28-0x0000000000090000-0x0000000000099000-memory.dmp

Filesize
36KB

Download
memory/2964-29-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download