formbook | 014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845

Analysis

max time kernel
157s
max time network
153s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
02-11-2023 01:49

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General

Target

014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845.exe
Size

361KB
MD5

5670f0e7e08a909949216672d3428e66
SHA1

8c8e8e7715e87810ad4d1f943279e081b7fded0e
SHA256

014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845
SHA512

ac8ecdffd2991dbcde5eb86eb3525c40c4f1be468c22f03826c39228594764c2e38a7f82ce75537a8e3400d0dc68d674303c51a7ad424fca08c807898e70c28e
SSDEEP

6144:F8LxBspf+q388vnDdsnm0GJPldFNehNTZGbQvtovLZIXahPxCpO2yjP2k5:/p9Dxsm0GJPRNehNtGbQvtoD6Xa6poB5

Score

10^/10

formbook sy22 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy22

Decoy

vinteligencia.com

displayfridges.fun

completetip.com

giallozafferrano.com

jizihao1.com

mysticheightstrail.com

fourseasonslb.com

kjnala.shop

mosiacwall.com

vandistreet.com

gracefullytouchedartistry.com

hbiwhwr.shop

mfmz.net

hrmbrillianz.com

funwarsztat.com

polewithcandy.com

ourrajasthan.com

wilhouettteamerica.com

johnnystintshop.com

asgnelwin.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1064-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1064-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3416-18-0x0000000000B20000-0x0000000000B4F000-memory.dmp	formbook
behavioral1/memory/3416-20-0x0000000000B20000-0x0000000000B4F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
3932	bjyafpvds.exe
1064	bjyafpvds.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3932 set thread context of 1064	3932	bjyafpvds.exe	73
PID 1064 set thread context of 3228	1064	bjyafpvds.exe	32
PID 3416 set thread context of 3228	3416	msdt.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1064	bjyafpvds.exe
1064	bjyafpvds.exe
1064	bjyafpvds.exe
1064	bjyafpvds.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe
3416	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3228	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3932	bjyafpvds.exe
1064	bjyafpvds.exe
1064	bjyafpvds.exe
1064	bjyafpvds.exe
3416	msdt.exe
3416	msdt.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	bjyafpvds.exe
Token: SeDebugPrivilege	3416	msdt.exe
Token: SeShutdownPrivilege	3228	Explorer.EXE
Token: SeCreatePagefilePrivilege	3228	Explorer.EXE
Token: SeShutdownPrivilege	3228	Explorer.EXE
Token: SeCreatePagefilePrivilege	3228	Explorer.EXE
Token: SeShutdownPrivilege	3228	Explorer.EXE
Token: SeCreatePagefilePrivilege	3228	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 3932	428	014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845.exe	71
PID 428 wrote to memory of 3932	428	014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845.exe	71
PID 428 wrote to memory of 3932	428	014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845.exe	71
PID 3932 wrote to memory of 1064	3932	bjyafpvds.exe	73
PID 3932 wrote to memory of 1064	3932	bjyafpvds.exe	73
PID 3932 wrote to memory of 1064	3932	bjyafpvds.exe	73
PID 3932 wrote to memory of 1064	3932	bjyafpvds.exe	73
PID 3228 wrote to memory of 3416	3228	Explorer.EXE	74
PID 3228 wrote to memory of 3416	3228	Explorer.EXE	74
PID 3228 wrote to memory of 3416	3228	Explorer.EXE	74
PID 3416 wrote to memory of 1196	3416	msdt.exe	75
PID 3416 wrote to memory of 1196	3416	msdt.exe	75
PID 3416 wrote to memory of 1196	3416	msdt.exe	75

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Users\Admin\AppData\Local\Temp\014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845.exe
  "C:\Users\Admin\AppData\Local\Temp\014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:428
- - C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe
    "C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe
      "C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1064
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe"
    3⤵
    PID:1196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe

Filesize
239KB

MD5
b593215d7269ebf9c11ac1abafeb53ff

SHA1
ca95860179cbfebe22abf3768f1bd4def8467032

SHA256
0024814fa6775d86e0bd0606ea5c5ae1695712461b9e015f9e518c91a8bdaca5

SHA512
2e246b2ead441c2c7909267a5d34212d1df4546f454f566889102f38d010129ab150933504649e61caad9b703a1dcaf332f22c755681f2dfaf6603d409c7c09e

Download Submit
C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe

Filesize
239KB

MD5
b593215d7269ebf9c11ac1abafeb53ff

SHA1
ca95860179cbfebe22abf3768f1bd4def8467032

SHA256
0024814fa6775d86e0bd0606ea5c5ae1695712461b9e015f9e518c91a8bdaca5

SHA512
2e246b2ead441c2c7909267a5d34212d1df4546f454f566889102f38d010129ab150933504649e61caad9b703a1dcaf332f22c755681f2dfaf6603d409c7c09e

Download Submit
C:\Users\Admin\AppData\Local\Temp\bjyafpvds.exe

Filesize
239KB

MD5
b593215d7269ebf9c11ac1abafeb53ff

SHA1
ca95860179cbfebe22abf3768f1bd4def8467032

SHA256
0024814fa6775d86e0bd0606ea5c5ae1695712461b9e015f9e518c91a8bdaca5

SHA512
2e246b2ead441c2c7909267a5d34212d1df4546f454f566889102f38d010129ab150933504649e61caad9b703a1dcaf332f22c755681f2dfaf6603d409c7c09e

Download Submit
C:\Users\Admin\AppData\Local\Temp\jprec.ku

Filesize
205KB

MD5
67a55f970cc587520ba5c9b94514c7dc

SHA1
063b5013d36090be4fbdf5e1ea275660a038ab6b

SHA256
97fee14eff294cf8b5a09b2011df559198ada095335f7d582273422d89f7fbab

SHA512
54c5ce663a59a291b7e38ef0a6272954b4b740612d38cce1dc6486a7e4445bf40d37a72c65ef883ee55a10085cd807fcf28e7fbe8d36dbe02bfe47d34959250f

Download Submit
memory/1064-9-0x00000000013D0000-0x00000000016F0000-memory.dmp

Filesize
3.1MB

Download
memory/1064-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1064-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1064-12-0x0000000000F60000-0x0000000000F74000-memory.dmp

Filesize
80KB

Download
memory/3228-21-0x0000000006110000-0x0000000006285000-memory.dmp

Filesize
1.5MB

Download
memory/3228-13-0x0000000006110000-0x0000000006285000-memory.dmp

Filesize
1.5MB

Download
memory/3228-28-0x0000000002490000-0x00000000025C8000-memory.dmp

Filesize
1.2MB

Download
memory/3228-26-0x0000000002490000-0x00000000025C8000-memory.dmp

Filesize
1.2MB

Download
memory/3228-25-0x0000000002490000-0x00000000025C8000-memory.dmp

Filesize
1.2MB

Download
memory/3416-15-0x0000000000D50000-0x0000000000EC3000-memory.dmp

Filesize
1.4MB

Download
memory/3416-19-0x0000000005010000-0x0000000005330000-memory.dmp

Filesize
3.1MB

Download
memory/3416-20-0x0000000000B20000-0x0000000000B4F000-memory.dmp

Filesize
188KB

Download
memory/3416-18-0x0000000000B20000-0x0000000000B4F000-memory.dmp

Filesize
188KB

Download
memory/3416-23-0x0000000004CC0000-0x0000000004D53000-memory.dmp

Filesize
588KB

Download
memory/3416-17-0x0000000000D50000-0x0000000000EC3000-memory.dmp

Filesize
1.4MB

Download
memory/3416-14-0x0000000000D50000-0x0000000000EC3000-memory.dmp

Filesize
1.4MB

Download
memory/3932-5-0x00000000007B0000-0x00000000007B2000-memory.dmp

Filesize
8KB

Download