formbook | 9b8a9f484252551626acb614ca205a2ef650d26c8c9d740c7aaa61e75e1f790d

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 14:08

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General

Target

jetsoff7785645.exe
Size

1.3MB
MD5

e490f6c7cd9da30e00552d99d40a67d5
SHA1

303aa4cecd54421ada7ae26d4e226cdd7272bff7
SHA256

03df164dae575c2017f7e03af8a2fab8635366e6eca3db93501233ed641d022e
SHA512

7094940fa63a295b42d880d1d2badf4f9afad0d95db37f77432124f6d2571f224093603a65e4c81d02ce7cbdf4550b33ab262853e4d259e9d4ec0e26896e341e
SSDEEP

24576:iAOcZXp0NBVQVxjvhGYux6V7xRF2UkjPV99npuezy71oporahu:ohHQVVvhJI43YUkj9fZe6GH

Score

10^/10

formbook je14 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

je14

Decoy

innervisionbuildings.com

theenergysocialite.com

565548.com

panghr.com

onlyonesolutions.com

stjohnzone6.com

cnotes.rest

helfeb.online

xixi-s-inc.club

easilyentered.com

theshopx.store

mrclean-ac.com

miamibeachwateradventures.com

jpearce.co.uk

seseragi-bunkou.com

minimaddie.com

commbank-help-849c3.com

segohandelsonderneming.com

namthanhreal.com

fototerapi.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3536-79-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3536-82-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3536-86-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4960-93-0x0000000000340000-0x000000000036F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	jetsoff7785645.exe

Executes dropped EXE 1 IoCs

pid	Process
3752	lporbpo.pif

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3752 set thread context of 3536	3752	lporbpo.pif	88
PID 3536 set thread context of 3584	3536	RegSvcs.exe	56
PID 3536 set thread context of 3584	3536	RegSvcs.exe	56
PID 4960 set thread context of 3584	4960	cscript.exe	56

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	lporbpo.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jetsoff7785645.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe
4960	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
4960	cscript.exe
4960	cscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	RegSvcs.exe
Token: SeShutdownPrivilege	3584	Explorer.EXE
Token: SeCreatePagefilePrivilege	3584	Explorer.EXE
Token: SeShutdownPrivilege	3584	Explorer.EXE
Token: SeCreatePagefilePrivilege	3584	Explorer.EXE
Token: SeDebugPrivilege	4960	cscript.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 3752	5048	jetsoff7785645.exe	85
PID 5048 wrote to memory of 3752	5048	jetsoff7785645.exe	85
PID 5048 wrote to memory of 3752	5048	jetsoff7785645.exe	85
PID 3752 wrote to memory of 4020	3752	lporbpo.pif	87
PID 3752 wrote to memory of 4020	3752	lporbpo.pif	87
PID 3752 wrote to memory of 4020	3752	lporbpo.pif	87
PID 3752 wrote to memory of 3536	3752	lporbpo.pif	88
PID 3752 wrote to memory of 3536	3752	lporbpo.pif	88
PID 3752 wrote to memory of 3536	3752	lporbpo.pif	88
PID 3752 wrote to memory of 3536	3752	lporbpo.pif	88
PID 3752 wrote to memory of 3536	3752	lporbpo.pif	88
PID 3752 wrote to memory of 3536	3752	lporbpo.pif	88
PID 3536 wrote to memory of 4960	3536	RegSvcs.exe	97
PID 3536 wrote to memory of 4960	3536	RegSvcs.exe	97
PID 3536 wrote to memory of 4960	3536	RegSvcs.exe	97
PID 4960 wrote to memory of 3184	4960	cscript.exe	98
PID 4960 wrote to memory of 3184	4960	cscript.exe	98
PID 4960 wrote to memory of 3184	4960	cscript.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3584
- C:\Users\Admin\AppData\Local\Temp\jetsoff7785645.exe
  "C:\Users\Admin\AppData\Local\Temp\jetsoff7785645.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5048
- - C:\Users\Admin\AppData\Local\Temp\6_64\lporbpo.pif
    "C:\Users\Admin\AppData\Local\Temp\6_64\lporbpo.pif" fwouagex.osh
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3752
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      4⤵
      PID:4020
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      4⤵
      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:3536
    - - C:\Windows\SysWOW64\cscript.exe
        
        "C:\Windows\SysWOW64\cscript.exe"
        5⤵
        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:4960
      - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\6_64\bdoiapgxat.jbv

Filesize
370KB

MD5
face4060089272f6ae3596e0fd074dfb

SHA1
7297224ceb6ca4e91eb34c916adc27d78f9fcca4

SHA256
d2aba9392dd810d9146f5ddce3c061d59424baf4513aa735c6495564de0fc242

SHA512
a4b12e86d964b69c26100382563f936b959b028023629146f5119b6560e34cd4bfdfc1247136466fb348d34c057b7bbc7839d402efac311e8125f3e733537702

Download Submit
C:\Users\Admin\AppData\Local\Temp\6_64\lporbpo.pif

Filesize
1.7MB

MD5
dd3466f64841cf21fc31f63f03dbfd29

SHA1
3878c8e52203d792c6f672595f7c78ab27ce3f04

SHA256
4fe3004208ed574521992dd1ba3d900b75a0f02f1d63ba1e531d309e85ffa06b

SHA512
adf3fe8378f7da5ba278db9a1df4cc7b5cff12398ec39ee7037382ebf57897de8bec72be64b5e7332bdb7ed865788dcb6ef4ceda6654e1153d39fe84b011b057

Download Submit
C:\Users\Admin\AppData\Local\Temp\6_64\uuvrscqbfj.xml

Filesize
38KB

MD5
e8eeee13ee27e7f90d2b123b85b76e5f

SHA1
1257f205999b5f5477b43f70cc907c8e629056bf

SHA256
6524c5bbb9e2cda587aa3bec11f937b2f1aaa1005c6836d0c858f0e9fbcd55a6

SHA512
3e6bf380902e63675de0c20fcbc47cffc508f69caf5dac1390b83b6444d3cbafb5c6af3cd878ad4a6c7e19adbbce66a12cf1b00c6ab496e9cdfd960a6b18e26b

Download Submit
memory/3536-87-0x0000000001890000-0x00000000018A4000-memory.dmp

Filesize
80KB

Download
memory/3536-79-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3536-80-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/3536-82-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3536-83-0x0000000001820000-0x0000000001834000-memory.dmp

Filesize
80KB

Download
memory/3536-86-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3584-88-0x00000000087B0000-0x00000000088BF000-memory.dmp

Filesize
1.1MB

Download
memory/3584-84-0x0000000008A20000-0x0000000008BC2000-memory.dmp

Filesize
1.6MB

Download
memory/3584-89-0x0000000008A20000-0x0000000008BC2000-memory.dmp

Filesize
1.6MB

Download
memory/3584-92-0x00000000087B0000-0x00000000088BF000-memory.dmp

Filesize
1.1MB

Download
memory/3584-96-0x0000000003030000-0x00000000030FF000-memory.dmp

Filesize
828KB

Download
memory/4960-90-0x00000000003E0000-0x0000000000407000-memory.dmp

Filesize
156KB

Download
memory/4960-91-0x00000000003E0000-0x0000000000407000-memory.dmp

Filesize
156KB

Download
memory/4960-93-0x0000000000340000-0x000000000036F000-memory.dmp

Filesize
188KB

Download