formbook | 9c879cc3fc1fae674781f67f8d12beb21afd8c0deb4587f6766bbcbf48c1b084

Resubmissions

14-01-2025 12:44

250114-pyg3csykcw 10

14-01-2025 10:55

250114-m1lr8awnat 10

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
14-01-2025 10:55

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General

Target

New purchase order.exe
Size

650KB
MD5

1b507df9a13477b647da450a1b79b2e7
SHA1

b0de85855b3462fe0b37c79831b391eeb044e437
SHA256

a3af3dcfd89b655982b6e044b681b140dcefbe0606d69b0b7839b8cda28ccc91
SHA512

37dcc8dd92a84009f81ebf394001de49bcf75818227bdbe135578f8f1dc57f4119c4cb6efd91ec70fe12202854ca472ec7435d3c0f713bf770f09967d61fe6a7
SSDEEP

12288:kYRxA4Y5lyA/BxSPC3NMl2v/wXb5DDH6dcW6f8HtdJqT6B2zJxWVqHU:bRB2XM5UN60STUAJE

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2868-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2712-28-0x00000000000C0000-0x00000000000EF000-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
2080	powershell.exe
2488	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2868	2084	New purchase order.exe	36
PID 2868 set thread context of 1184	2868	MSBuild.exe	21
PID 2712 set thread context of 1184	2712	colorcpl.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	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New purchase order.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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2084	New purchase order.exe
2080	powershell.exe
2488	powershell.exe
2084	New purchase order.exe
2868	MSBuild.exe
2868	MSBuild.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe
2712	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2868	MSBuild.exe
2868	MSBuild.exe
2868	MSBuild.exe
2712	colorcpl.exe
2712	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	New purchase order.exe
Token: SeDebugPrivilege	2080	powershell.exe
Token: SeDebugPrivilege	2488	powershell.exe
Token: SeDebugPrivilege	2868	MSBuild.exe
Token: SeDebugPrivilege	2712	colorcpl.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2080	2084	New purchase order.exe	30
PID 2084 wrote to memory of 2080	2084	New purchase order.exe	30
PID 2084 wrote to memory of 2080	2084	New purchase order.exe	30
PID 2084 wrote to memory of 2080	2084	New purchase order.exe	30
PID 2084 wrote to memory of 2488	2084	New purchase order.exe	32
PID 2084 wrote to memory of 2488	2084	New purchase order.exe	32
PID 2084 wrote to memory of 2488	2084	New purchase order.exe	32
PID 2084 wrote to memory of 2488	2084	New purchase order.exe	32
PID 2084 wrote to memory of 2744	2084	New purchase order.exe	34
PID 2084 wrote to memory of 2744	2084	New purchase order.exe	34
PID 2084 wrote to memory of 2744	2084	New purchase order.exe	34
PID 2084 wrote to memory of 2744	2084	New purchase order.exe	34
PID 2084 wrote to memory of 2868	2084	New purchase order.exe	36
PID 2084 wrote to memory of 2868	2084	New purchase order.exe	36
PID 2084 wrote to memory of 2868	2084	New purchase order.exe	36
PID 2084 wrote to memory of 2868	2084	New purchase order.exe	36
PID 2084 wrote to memory of 2868	2084	New purchase order.exe	36
PID 2084 wrote to memory of 2868	2084	New purchase order.exe	36
PID 2084 wrote to memory of 2868	2084	New purchase order.exe	36
PID 1184 wrote to memory of 2712	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2712	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2712	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2712	1184	Explorer.EXE	37
PID 2712 wrote to memory of 2916	2712	colorcpl.exe	39
PID 2712 wrote to memory of 2916	2712	colorcpl.exe	39
PID 2712 wrote to memory of 2916	2712	colorcpl.exe	39
PID 2712 wrote to memory of 2916	2712	colorcpl.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\New purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\New purchase order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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\New purchase order.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2080
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DjsaCPLWOz.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2488
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DjsaCPLWOz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3BC.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2744
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2868
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2712
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2916

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\tmpC3BC.tmp

Filesize
1KB

MD5
00baa7a3ec4a43a48b592b3611918dda

SHA1
bac13d4404e067a22f93625819d325988870ed1f

SHA256
ccc2c63dbca8a3ab0f5c492fc25ec1fad046625a08424f77962b3f787052245a

SHA512
650b07cd4ef068f2307455e2fc22b064fe837b7553cb3521d0a978cfff4ac6422ebcce91282b68fe9d9696b2228796dcbffa2d561dccb42e89ee879470a09a0a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2GU5DODIOTQ1QXPHFLUL.temp

Filesize
7KB

MD5
6850a10b3f255eacbb8499ae9e41a38d

SHA1
8487f3fa6911380854ea2913aa238d077e38b32d

SHA256
a5f7ad45ebf77e91162618c3331f1c615f35dbc21db369842c9f1185f734f114

SHA512
3d44bfb93c32065242be69e90e2536afa13fe4ddf25ec6def0a8f36e45814064b162c9abe4913c5fb09255f588d8ce19d772dd3c026ec559b1c5f64e6b4d0ebb

Download Submit
memory/2084-4-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2084-26-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-0-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-6-0x0000000005250000-0x00000000052CA000-memory.dmp

Filesize
488KB

Download
memory/2084-2-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-1-0x00000000002C0000-0x0000000000368000-memory.dmp

Filesize
672KB

Download
memory/2084-3-0x0000000000290000-0x00000000002AA000-memory.dmp

Filesize
104KB

Download
memory/2712-28-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2712-27-0x0000000000320000-0x0000000000338000-memory.dmp

Filesize
96KB

Download
memory/2868-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download