formbook | 28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7

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
23-01-2025 14:18

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General

Target

updatedorder00pdf.exe
Size

694KB
MD5

3eb2ceb99c3ef6893ace27ea06be4cfa
SHA1

c0d1da3207d947f99c1809cf94055adbdde7c3d7
SHA256

28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7
SHA512

6e9d570a4e5e20a2d0acd3fd4beebc872238e99aec72a747b3aec809c46f4a26dd651d39be69026f4d061a66d515e131ae830e663104d688fb0841f2b4fe4158
SSDEEP

12288:eQFtq5Aai1/mnTesWGrzVXxBEgqO/kCerVYuVH3Uv2Hd9:eMq5Aai10mMzJkjxD2sd9

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

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/2968-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2604-29-0x0000000000080000-0x00000000000AF000-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
2284	powershell.exe
2812	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2516 set thread context of 2968	2516	updatedorder00pdf.exe	36
PID 2968 set thread context of 1200	2968	RegSvcs.exe	21
PID 2604 set thread context of 1200	2604	control.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	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	updatedorder00pdf.exe
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

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
2860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2516	updatedorder00pdf.exe
2516	updatedorder00pdf.exe
2284	powershell.exe
2812	powershell.exe
2968	RegSvcs.exe
2968	RegSvcs.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe
2604	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2968	RegSvcs.exe
2968	RegSvcs.exe
2968	RegSvcs.exe
2604	control.exe
2604	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	updatedorder00pdf.exe
Token: SeDebugPrivilege	2284	powershell.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2968	RegSvcs.exe
Token: SeDebugPrivilege	2604	control.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2284	2516	updatedorder00pdf.exe	30
PID 2516 wrote to memory of 2284	2516	updatedorder00pdf.exe	30
PID 2516 wrote to memory of 2284	2516	updatedorder00pdf.exe	30
PID 2516 wrote to memory of 2284	2516	updatedorder00pdf.exe	30
PID 2516 wrote to memory of 2812	2516	updatedorder00pdf.exe	32
PID 2516 wrote to memory of 2812	2516	updatedorder00pdf.exe	32
PID 2516 wrote to memory of 2812	2516	updatedorder00pdf.exe	32
PID 2516 wrote to memory of 2812	2516	updatedorder00pdf.exe	32
PID 2516 wrote to memory of 2860	2516	updatedorder00pdf.exe	34
PID 2516 wrote to memory of 2860	2516	updatedorder00pdf.exe	34
PID 2516 wrote to memory of 2860	2516	updatedorder00pdf.exe	34
PID 2516 wrote to memory of 2860	2516	updatedorder00pdf.exe	34
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 2516 wrote to memory of 2968	2516	updatedorder00pdf.exe	36
PID 1200 wrote to memory of 2604	1200	Explorer.EXE	37
PID 1200 wrote to memory of 2604	1200	Explorer.EXE	37
PID 1200 wrote to memory of 2604	1200	Explorer.EXE	37
PID 1200 wrote to memory of 2604	1200	Explorer.EXE	37
PID 2604 wrote to memory of 812	2604	control.exe	38
PID 2604 wrote to memory of 812	2604	control.exe	38
PID 2604 wrote to memory of 812	2604	control.exe	38
PID 2604 wrote to memory of 812	2604	control.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\updatedorder00pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\updatedorder00pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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\updatedorder00pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2284
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dVNcpHUEH.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2812
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dVNcpHUEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B72.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2860
- - 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:2968
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2604
- - 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:812

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\tmp4B72.tmp

Filesize
1KB

MD5
a504c6ac53c05b4842a8c7b082d5c3e2

SHA1
dcd82486537b011175e3cac8f562dcaa6522cfbd

SHA256
e26c682c33723f464519b06ebed211f4d1fd774023b3aba8961539c08a7ea4ad

SHA512
e13fb6daa0eef42595859a13118404101c3c49dc1b6ac86a2b9d725c26b03ef04b2833499e0c17b1ec5350356c8d577908795082f2af702639e8a1639a44dc1d

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

Filesize
7KB

MD5
f017cd13cd072835d881a7527d628d0a

SHA1
65120fb106c87c92d5ee0f6b236fd3685883e46f

SHA256
af798b08e5de2941b7873ea1513665b3d429b9a868dff63e255fede3eefdcde4

SHA512
7fb4628685a30d2963e5c8703c109593f39b5c827f9c76819fa61af0d023b1a6e2e5e29f1166bfcf7731af4bd28fd427829dccb6d7c64d63f214cf9f63239f03

Download Submit
memory/1200-27-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2516-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2516-25-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-5-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-6-0x0000000000580000-0x00000000005FA000-memory.dmp

Filesize
488KB

Download
memory/2516-3-0x00000000006A0000-0x00000000006BE000-memory.dmp

Filesize
120KB

Download
memory/2516-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-1-0x0000000000040000-0x00000000000F4000-memory.dmp

Filesize
720KB

Download
memory/2516-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2604-28-0x0000000000B50000-0x0000000000B6F000-memory.dmp

Filesize
124KB

Download
memory/2604-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2968-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download