formbook | 553eb6ff1dda41ccbfd52c6547e763d739ee272f5390e09e840cf64c3259c00e

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
25-12-2024 16:06

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General

Target

Nueva orden de compra.exe
Size

1.1MB
MD5

7280b74e4cf0685d974bbb8d60a57ea0
SHA1

272afcc621eecb76b7986fa80fd4fc235adfde60
SHA256

cf5d0eb741adc67acf2cffbbef91fb030c94aca534d7a6b95efdbace11b4a62a
SHA512

6ad2d2369b2339d5c4ef9f91fb13de42189a9b493da98e6d495980017e0f4e97827a4606dd590cc12aca22d150b974d403602d2351381221bb82a763ba680b11
SSDEEP

24576:rVspUwf9hhQP20Nog1tChybY9GygPmWXrq0l4EQUfIHTw:rVQzVhhMNoQl0EygPNveWIHT

Score

10^/10

formbook d2g7 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d2g7

Decoy

inviteonlyme.com

noashopping.com

raysyoutube.com

chicagp.com

brnguatemala.com

speechboutique.com

philippinepodcastdirectory.com

konnecio.com

9q1ng6.icu

treez.info

appleiclou.com

pettras.com

txherz.icu

freearcae.com

mindpetalsoftwaresolutions.com

my-beautiful-switzerland.com

hpzebike.online

fadsekclub.xyz

newcastledhaka.com

varidsk.com

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/2744-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2136-25-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2452	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2744	2156	Nueva orden de compra.exe	35
PID 2744 set thread context of 1240	2744	RegSvcs.exe	21
PID 2136 set thread context of 1240	2136	cmstp.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 5 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	Nueva orden de compra.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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
2156	Nueva orden de compra.exe
2156	Nueva orden de compra.exe
2744	RegSvcs.exe
2744	RegSvcs.exe
2452	powershell.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe
2136	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2744	RegSvcs.exe
2744	RegSvcs.exe
2744	RegSvcs.exe
2136	cmstp.exe
2136	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	Nueva orden de compra.exe
Token: SeDebugPrivilege	2744	RegSvcs.exe
Token: SeDebugPrivilege	2452	powershell.exe
Token: SeDebugPrivilege	2136	cmstp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2452	2156	Nueva orden de compra.exe	31
PID 2156 wrote to memory of 2452	2156	Nueva orden de compra.exe	31
PID 2156 wrote to memory of 2452	2156	Nueva orden de compra.exe	31
PID 2156 wrote to memory of 2452	2156	Nueva orden de compra.exe	31
PID 2156 wrote to memory of 2724	2156	Nueva orden de compra.exe	33
PID 2156 wrote to memory of 2724	2156	Nueva orden de compra.exe	33
PID 2156 wrote to memory of 2724	2156	Nueva orden de compra.exe	33
PID 2156 wrote to memory of 2724	2156	Nueva orden de compra.exe	33
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 2156 wrote to memory of 2744	2156	Nueva orden de compra.exe	35
PID 1240 wrote to memory of 2136	1240	Explorer.EXE	36
PID 1240 wrote to memory of 2136	1240	Explorer.EXE	36
PID 1240 wrote to memory of 2136	1240	Explorer.EXE	36
PID 1240 wrote to memory of 2136	1240	Explorer.EXE	36
PID 1240 wrote to memory of 2136	1240	Explorer.EXE	36
PID 1240 wrote to memory of 2136	1240	Explorer.EXE	36
PID 1240 wrote to memory of 2136	1240	Explorer.EXE	36
PID 2136 wrote to memory of 2668	2136	cmstp.exe	37
PID 2136 wrote to memory of 2668	2136	cmstp.exe	37
PID 2136 wrote to memory of 2668	2136	cmstp.exe	37
PID 2136 wrote to memory of 2668	2136	cmstp.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Users\Admin\AppData\Local\Temp\Nueva orden de compra.exe
  "C:\Users\Admin\AppData\Local\Temp\Nueva orden de compra.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\skdevKtKXQ.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2452
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\skdevKtKXQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1861.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2724
- - 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:2744
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2136
- - 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:2668

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\tmp1861.tmp

Filesize
1KB

MD5
52a8f68b0d135e47111eca57fe28ac0c

SHA1
e2f641554e339482ac6ad452860c6edd48b2c1f7

SHA256
d4c357bf31fda9da9cc77979a948fc51722f4f082bfbf211ce287159e0ac7cdc

SHA512
4ff892ea83bf502f7e9c6080711b57392415f5a614f819234ba1ad6e40214b1c85df55f6bf95baf3557126186be29f36ec45c94446c1fc4da3c6011ce278201f

Download Submit
memory/1240-23-0x0000000000190000-0x0000000000290000-memory.dmp

Filesize
1024KB

Download
memory/2136-25-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2136-24-0x0000000000B30000-0x0000000000B48000-memory.dmp

Filesize
96KB

Download
memory/2156-12-0x0000000005CD0000-0x0000000005D04000-memory.dmp

Filesize
208KB

Download
memory/2156-5-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-6-0x0000000007F80000-0x000000000807E000-memory.dmp

Filesize
1016KB

Download
memory/2156-4-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2156-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2156-21-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-3-0x0000000002080000-0x0000000002098000-memory.dmp

Filesize
96KB

Download
memory/2156-2-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-1-0x0000000000080000-0x00000000001A8000-memory.dmp

Filesize
1.2MB

Download
memory/2744-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2744-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2744-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download