formbook | 9b8a9f484252551626acb614ca205a2ef650d26c8c9d740c7aaa61e75e1f790d

Analysis

max time kernel
147s
max time network
138s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2108-97-0x0000000000400000-0x0000000000A14000-memory.dmp	formbook
behavioral1/memory/2660-93-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2552-105-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
2632	lporbpo.pif

Loads dropped DLL 4 IoCs

pid	Process
1656	jetsoff7785645.exe
1656	jetsoff7785645.exe
1656	jetsoff7785645.exe
1656	jetsoff7785645.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2660	2632	lporbpo.pif	30
PID 2632 set thread context of 2108	2632	lporbpo.pif	29
PID 2660 set thread context of 1192	2660	RegSvcs.exe	21
PID 2108 set thread context of 1192	2108	RegSvcs.exe	21
PID 2552 set thread context of 1192	2552	chkdsk.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 4 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	jetsoff7785645.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lporbpo.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
2660	RegSvcs.exe
2108	RegSvcs.exe
2660	RegSvcs.exe
2108	RegSvcs.exe
2552	chkdsk.exe
2596	help.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe
2552	chkdsk.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2660	RegSvcs.exe
2108	RegSvcs.exe
2660	RegSvcs.exe
2660	RegSvcs.exe
2108	RegSvcs.exe
2108	RegSvcs.exe
2552	chkdsk.exe
2552	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	RegSvcs.exe
Token: SeDebugPrivilege	2108	RegSvcs.exe
Token: SeDebugPrivilege	2552	chkdsk.exe
Token: SeDebugPrivilege	2596	help.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2632	1656	jetsoff7785645.exe	28
PID 1656 wrote to memory of 2632	1656	jetsoff7785645.exe	28
PID 1656 wrote to memory of 2632	1656	jetsoff7785645.exe	28
PID 1656 wrote to memory of 2632	1656	jetsoff7785645.exe	28
PID 1656 wrote to memory of 2632	1656	jetsoff7785645.exe	28
PID 1656 wrote to memory of 2632	1656	jetsoff7785645.exe	28
PID 1656 wrote to memory of 2632	1656	jetsoff7785645.exe	28
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2660	2632	lporbpo.pif	30
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 2632 wrote to memory of 2108	2632	lporbpo.pif	29
PID 1192 wrote to memory of 2552	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2552	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2552	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2552	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2596	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2596	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2596	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2596	1192	Explorer.EXE	32
PID 2552 wrote to memory of 3068	2552	chkdsk.exe	33
PID 2552 wrote to memory of 3068	2552	chkdsk.exe	33
PID 2552 wrote to memory of 3068	2552	chkdsk.exe	33
PID 2552 wrote to memory of 3068	2552	chkdsk.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\jetsoff7785645.exe
  "C:\Users\Admin\AppData\Local\Temp\jetsoff7785645.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1656
- - 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:2632
  - - 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
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2108
  - - 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
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2660
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2552
- - 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:3068
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596

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\uuvrscqbfj.xml

Filesize
38KB

MD5
e8eeee13ee27e7f90d2b123b85b76e5f

SHA1
1257f205999b5f5477b43f70cc907c8e629056bf

SHA256
6524c5bbb9e2cda587aa3bec11f937b2f1aaa1005c6836d0c858f0e9fbcd55a6

SHA512
3e6bf380902e63675de0c20fcbc47cffc508f69caf5dac1390b83b6444d3cbafb5c6af3cd878ad4a6c7e19adbbce66a12cf1b00c6ab496e9cdfd960a6b18e26b

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

Filesize
1.7MB

MD5
dd3466f64841cf21fc31f63f03dbfd29

SHA1
3878c8e52203d792c6f672595f7c78ab27ce3f04

SHA256
4fe3004208ed574521992dd1ba3d900b75a0f02f1d63ba1e531d309e85ffa06b

SHA512
adf3fe8378f7da5ba278db9a1df4cc7b5cff12398ec39ee7037382ebf57897de8bec72be64b5e7332bdb7ed865788dcb6ef4ceda6654e1153d39fe84b011b057

Download Submit
memory/1192-110-0x0000000007B20000-0x0000000007CB1000-memory.dmp

Filesize
1.6MB

Download
memory/2108-97-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/2108-94-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/2108-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-101-0x0000000000740000-0x0000000000747000-memory.dmp

Filesize
28KB

Download
memory/2552-105-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2596-102-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/2660-88-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2660-90-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2660-92-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-93-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download