formbook | 2ca71d41529f0e3ff46458a8375ab7c0a755cf5a81d5882b743187fe8af8a919

General

Target

fileANS.exe
Size

1.0MB
MD5

15457d011dab88622087b56142ee22d3
SHA1

1fc14c22eb559ae15e0642ed913aa1b93d6f3312
SHA256

3ffcd95cd6bd717e4371107605cdb847891190eae063dcf741dbae9bd1528faf
SHA512

314aa3fc23f86dedffce5143c447e8e2c0e92928abf68021c487dacf006181bd11a44468724fd8592c04024decfa1308657f971172f795b745cbad9e0cf91566
SSDEEP

24576:YAHnh+eWsN3skA4RV1Hom2KXMmHawvDvPYknWte5:fh+ZkldoPK8YawrXYaWu

Score

10^/10

formbook ba94 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba94

Decoy

dxtra.shop

upfromhere-eventsdecor.com

blacksevenkoeln.shop

pcboards2024.xyz

posteo.lol

naservus.com

pivotance.com

90ans.com

ebenezer-remodeling.com

reddragondao.com

gspotshop.com

thesiamesebetta.biz

rrdhq.com

greenislandservices.info

prismotrov.com

elaqbh.shop

sosenfantscovidlong.com

elmsolarsavings.com

sol-casino-2023.club

sharecroipper.top

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/2904-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2904-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2904-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2600-26-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 2904	3040	fileANS.exe	28
PID 2904 set thread context of 1192	2904	svchost.exe	21
PID 2904 set thread context of 1192	2904	svchost.exe	21
PID 2600 set thread context of 1192	2600	cmstp.exe	21

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2904	svchost.exe
2904	svchost.exe
2904	svchost.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe
2600	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3040	fileANS.exe
2904	svchost.exe
2904	svchost.exe
2904	svchost.exe
2904	svchost.exe
2600	cmstp.exe
2600	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	svchost.exe
Token: SeDebugPrivilege	2600	cmstp.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3040	fileANS.exe
3040	fileANS.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3040	fileANS.exe
3040	fileANS.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2904	3040	fileANS.exe	28
PID 3040 wrote to memory of 2904	3040	fileANS.exe	28
PID 3040 wrote to memory of 2904	3040	fileANS.exe	28
PID 3040 wrote to memory of 2904	3040	fileANS.exe	28
PID 3040 wrote to memory of 2904	3040	fileANS.exe	28
PID 2904 wrote to memory of 2600	2904	svchost.exe	29
PID 2904 wrote to memory of 2600	2904	svchost.exe	29
PID 2904 wrote to memory of 2600	2904	svchost.exe	29
PID 2904 wrote to memory of 2600	2904	svchost.exe	29
PID 2904 wrote to memory of 2600	2904	svchost.exe	29
PID 2904 wrote to memory of 2600	2904	svchost.exe	29
PID 2904 wrote to memory of 2600	2904	svchost.exe	29
PID 2600 wrote to memory of 2616	2600	cmstp.exe	30
PID 2600 wrote to memory of 2616	2600	cmstp.exe	30
PID 2600 wrote to memory of 2616	2600	cmstp.exe	30
PID 2600 wrote to memory of 2616	2600	cmstp.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1192
- C:\Users\Admin\AppData\Local\Temp\fileANS.exe
  "C:\Users\Admin\AppData\Local\Temp\fileANS.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\fileANS.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2600
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        
        PID:2616

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1192-35-0x00000000068A0000-0x000000000697B000-memory.dmp

Filesize
876KB

Download
memory/1192-32-0x00000000068A0000-0x000000000697B000-memory.dmp

Filesize
876KB

Download
memory/1192-31-0x00000000068A0000-0x000000000697B000-memory.dmp

Filesize
876KB

Download
memory/1192-27-0x0000000006740000-0x000000000689E000-memory.dmp

Filesize
1.4MB

Download
memory/1192-17-0x0000000005260000-0x0000000005351000-memory.dmp

Filesize
964KB

Download
memory/1192-22-0x0000000006740000-0x000000000689E000-memory.dmp

Filesize
1.4MB

Download
memory/2600-23-0x0000000000A60000-0x0000000000A78000-memory.dmp

Filesize
96KB

Download
memory/2600-26-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2600-25-0x0000000000A60000-0x0000000000A78000-memory.dmp

Filesize
96KB

Download
memory/2904-13-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2904-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-21-0x0000000000210000-0x0000000000225000-memory.dmp

Filesize
84KB

Download
memory/2904-14-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/2904-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3040-10-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download

Analysis

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