formbook | a3af3dcfd89b655982b6e044b681b140dcefbe0606d69b0b7839b8cda28ccc91

Analysis

max time kernel
147s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/01/2025, 10:42

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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/2156-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2536-27-0x0000000000080000-0x00000000000AF000-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
2704	powershell.exe
2772	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2156	2116	New purchase order.exe	36
PID 2156 set thread context of 1184	2156	MSBuild.exe	21
PID 2536 set thread context of 1184	2536	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	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
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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2116	New purchase order.exe
2116	New purchase order.exe
2156	MSBuild.exe
2156	MSBuild.exe
2772	powershell.exe
2704	powershell.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe
2536	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2156	MSBuild.exe
2156	MSBuild.exe
2156	MSBuild.exe
2536	colorcpl.exe
2536	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	New purchase order.exe
Token: SeDebugPrivilege	2156	MSBuild.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2536	colorcpl.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2704	2116	New purchase order.exe	30
PID 2116 wrote to memory of 2704	2116	New purchase order.exe	30
PID 2116 wrote to memory of 2704	2116	New purchase order.exe	30
PID 2116 wrote to memory of 2704	2116	New purchase order.exe	30
PID 2116 wrote to memory of 2772	2116	New purchase order.exe	32
PID 2116 wrote to memory of 2772	2116	New purchase order.exe	32
PID 2116 wrote to memory of 2772	2116	New purchase order.exe	32
PID 2116 wrote to memory of 2772	2116	New purchase order.exe	32
PID 2116 wrote to memory of 2828	2116	New purchase order.exe	34
PID 2116 wrote to memory of 2828	2116	New purchase order.exe	34
PID 2116 wrote to memory of 2828	2116	New purchase order.exe	34
PID 2116 wrote to memory of 2828	2116	New purchase order.exe	34
PID 2116 wrote to memory of 2156	2116	New purchase order.exe	36
PID 2116 wrote to memory of 2156	2116	New purchase order.exe	36
PID 2116 wrote to memory of 2156	2116	New purchase order.exe	36
PID 2116 wrote to memory of 2156	2116	New purchase order.exe	36
PID 2116 wrote to memory of 2156	2116	New purchase order.exe	36
PID 2116 wrote to memory of 2156	2116	New purchase order.exe	36
PID 2116 wrote to memory of 2156	2116	New purchase order.exe	36
PID 1184 wrote to memory of 2536	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2536	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2536	1184	Explorer.EXE	37
PID 1184 wrote to memory of 2536	1184	Explorer.EXE	37
PID 2536 wrote to memory of 372	2536	colorcpl.exe	38
PID 2536 wrote to memory of 372	2536	colorcpl.exe	38
PID 2536 wrote to memory of 372	2536	colorcpl.exe	38
PID 2536 wrote to memory of 372	2536	colorcpl.exe	38

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:2116
- - 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:2704
- - 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:2772
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DjsaCPLWOz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50A0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2828
- - 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:2156
- 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:2536
- - 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:372

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\tmp50A0.tmp

Filesize
1KB

MD5
df9d0061b95bfd9bdc142299d827baaf

SHA1
5c41fa19af077cfc90fa9dc900b6fa107c59c3af

SHA256
4f57e77d77381effcff4321b1baa4122bf447e00b989617adf078c5eb7b288a5

SHA512
9a12c4fb772c1a002cede6b7f3799b6b4b04199b001e7f1315f938d34ccb43c39f418124eef9d4048dcc9e8e27ecfa4567512c7e157533a65b5e5241cc7a67ee

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

Filesize
7KB

MD5
ae836f2ea48b9165590fc55fd199caa0

SHA1
0d542917a4b570e869426c985086e2bd44b92da3

SHA256
ed18ccff79dc9bb634aad4ce9eb4500c17df2cfead3d1cae51ab89ccfcba8fc0

SHA512
ce9e8c05d2c23f1f3dc20a54073421f4c634384981f4945e9ece5949820719f09727baf598c0d5592c9246dd93dda893b29ccbd261b2127130a94c01dbc85ea8

Download Submit
memory/2116-4-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/2116-24-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/2116-5-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-6-0x0000000005BC0000-0x0000000005C3A000-memory.dmp

Filesize
488KB

Download
memory/2116-2-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-1-0x00000000013B0000-0x0000000001458000-memory.dmp

Filesize
672KB

Download
memory/2116-3-0x0000000000550000-0x000000000056A000-memory.dmp

Filesize
104KB

Download
memory/2156-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2156-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2156-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2536-26-0x0000000000CC0000-0x0000000000CD8000-memory.dmp

Filesize
96KB

Download
memory/2536-27-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download