formbook | 94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120

Analysis

max time kernel
147s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 12:11

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General

Target

invoice739.exe
Size

833KB
MD5

cd2719066dc301f9cd5dcbfbf5323508
SHA1

44d580125ff889fa9e8cd169138e72979554497a
SHA256

94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120
SHA512

35e8d8bd070e03ea1c611b85b45800364dd507636a60f37d3282ba55a85af4b5208b9c294c099d72994ad7938b20b8650735a64736a6967e94b376d986ab639e
SSDEEP

24576:3UMoO0sPUYPWt8WhEImRj/q6T6Sfglb/:3UBX8sB+jxC6T6SYlb

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/2112-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2112-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2028-30-0x00000000000D0000-0x00000000000FF000-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
2732	powershell.exe
2912	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 2112	2256	invoice739.exe	36
PID 2112 set thread context of 1180	2112	RegSvcs.exe	21
PID 2112 set thread context of 1180	2112	RegSvcs.exe	21
PID 2028 set thread context of 1180	2028	systray.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	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	invoice739.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	powershell.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
2572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2256	invoice739.exe
2256	invoice739.exe
2732	powershell.exe
2912	powershell.exe
2112	RegSvcs.exe
2112	RegSvcs.exe
2112	RegSvcs.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe
2028	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2112	RegSvcs.exe
2112	RegSvcs.exe
2112	RegSvcs.exe
2112	RegSvcs.exe
2028	systray.exe
2028	systray.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	invoice739.exe
Token: SeDebugPrivilege	2732	powershell.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	2112	RegSvcs.exe
Token: SeDebugPrivilege	2028	systray.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2732	2256	invoice739.exe	30
PID 2256 wrote to memory of 2732	2256	invoice739.exe	30
PID 2256 wrote to memory of 2732	2256	invoice739.exe	30
PID 2256 wrote to memory of 2732	2256	invoice739.exe	30
PID 2256 wrote to memory of 2912	2256	invoice739.exe	32
PID 2256 wrote to memory of 2912	2256	invoice739.exe	32
PID 2256 wrote to memory of 2912	2256	invoice739.exe	32
PID 2256 wrote to memory of 2912	2256	invoice739.exe	32
PID 2256 wrote to memory of 2572	2256	invoice739.exe	33
PID 2256 wrote to memory of 2572	2256	invoice739.exe	33
PID 2256 wrote to memory of 2572	2256	invoice739.exe	33
PID 2256 wrote to memory of 2572	2256	invoice739.exe	33
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 2256 wrote to memory of 2112	2256	invoice739.exe	36
PID 1180 wrote to memory of 2028	1180	Explorer.EXE	37
PID 1180 wrote to memory of 2028	1180	Explorer.EXE	37
PID 1180 wrote to memory of 2028	1180	Explorer.EXE	37
PID 1180 wrote to memory of 2028	1180	Explorer.EXE	37
PID 2028 wrote to memory of 1976	2028	systray.exe	38
PID 2028 wrote to memory of 1976	2028	systray.exe	38
PID 2028 wrote to memory of 1976	2028	systray.exe	38
PID 2028 wrote to memory of 1976	2028	systray.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\invoice739.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice739.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2256
- - 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\invoice739.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2732
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RDdEdL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2912
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RDdEdL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C9C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2572
- - 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:2112
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2028
- - 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:1976

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2C9C.tmp

Filesize
1KB

MD5
30b1606603d167a8e5398d5ec9e939b5

SHA1
d9c4e87db5184048df9220ce092b0da3d8e75960

SHA256
8c513bc544506e23414b18803c8c8276209ff1006aeefd177b7b10100d1aea82

SHA512
b709bc92226baa97ddb9edb287946fbcdf119acee31e0d97a4c64fa262861e754bf828cb2bc10d1e06a30c37c1d5219739746831301287ce3d8bf83a9ff4351a

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

Filesize
7KB

MD5
d0ec5a6a19b976f2c7a919b0bf53aa30

SHA1
1d2c1cd6c589a40cf2d1477dd5b1f9285ff666bf

SHA256
541a398423f8e926c1d18910f631b7ff4f81997b880d84906ce9a63fb2d35b74

SHA512
b5a6e53adec27e9f28b10afbc9451db3ba2a9c3829743d4222cf0c007cc3a163d1ea8ab2a98492d79c825ff96c2059ca090170e7f65f8aebc79de653d620f607

Download Submit
memory/1180-28-0x00000000072B0000-0x00000000073EE000-memory.dmp

Filesize
1.2MB

Download
memory/2028-30-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2028-29-0x0000000000C40000-0x0000000000C45000-memory.dmp

Filesize
20KB

Download
memory/2112-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2112-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2112-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2112-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-6-0x0000000000480000-0x00000000004FA000-memory.dmp

Filesize
488KB

Download
memory/2256-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2256-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2256-25-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-3-0x00000000003C0000-0x00000000003DE000-memory.dmp

Filesize
120KB

Download
memory/2256-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-1-0x0000000000A70000-0x0000000000B46000-memory.dmp

Filesize
856KB

Download