formbook | ec7f9e26c253ba9024ad8baf255778a3ee3055cc0f834be9e77a41e80d49e9e0

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 14:02

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General

Target

BBK987866767899.exe
Size

792KB
MD5

6f5d737532ce8f20246b98b439168fc4
SHA1

f2066b5bc181c2e5788a23c5b335f2045a5c4d07
SHA256

ec7f9e26c253ba9024ad8baf255778a3ee3055cc0f834be9e77a41e80d49e9e0
SHA512

2bd40442fc05779e767ae5f65e9a5234b447dc33d0509790ca540a04deadf059bc3bab7e09ddfa41bd37388c721aa90b596444a421665c9e5fd73a76259276bc
SSDEEP

12288:zt0r6klnaP5oE/kbQRgp16XR0oBtFR7ke+Dp:z6r6mHTbSw16XTffkZp

Score

10^/10

formbook he2a rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

he2a

Decoy

connectioncompass.store

zekicharge.com

dp77.shop

guninfo.guru

mamaeconomics.net

narcisme.coach

redtopassociates.com

ezezn.com

theoregondog.com

pagosmultired.online

emsculptcenterofne.com

meet-friends.online

pf326.com

wealthjigsaw.xyz

arsajib.com

kickassholdings.online

avaturre.biz

dtslogs.com

lb92.tech

pittalam.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
behavioral2/memory/2080-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2080-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3408-21-0x0000000000600000-0x000000000062F000-memory.dmp	formbook
behavioral2/memory/3408-23-0x0000000000600000-0x000000000062F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3388 set thread context of 2080	3388	BBK987866767899.exe	96
PID 2080 set thread context of 3436	2080	BBK987866767899.exe	42
PID 3408 set thread context of 3436	3408	cmstp.exe	42

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
3388	BBK987866767899.exe
3388	BBK987866767899.exe
2080	BBK987866767899.exe
2080	BBK987866767899.exe
2080	BBK987866767899.exe
2080	BBK987866767899.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe
3408	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2080	BBK987866767899.exe
2080	BBK987866767899.exe
2080	BBK987866767899.exe
3408	cmstp.exe
3408	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3388	BBK987866767899.exe
Token: SeDebugPrivilege	2080	BBK987866767899.exe
Token: SeDebugPrivilege	3408	cmstp.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3388 wrote to memory of 4676	3388	BBK987866767899.exe	95
PID 3388 wrote to memory of 4676	3388	BBK987866767899.exe	95
PID 3388 wrote to memory of 4676	3388	BBK987866767899.exe	95
PID 3388 wrote to memory of 2080	3388	BBK987866767899.exe	96
PID 3388 wrote to memory of 2080	3388	BBK987866767899.exe	96
PID 3388 wrote to memory of 2080	3388	BBK987866767899.exe	96
PID 3388 wrote to memory of 2080	3388	BBK987866767899.exe	96
PID 3388 wrote to memory of 2080	3388	BBK987866767899.exe	96
PID 3388 wrote to memory of 2080	3388	BBK987866767899.exe	96
PID 3436 wrote to memory of 3408	3436	Explorer.EXE	97
PID 3436 wrote to memory of 3408	3436	Explorer.EXE	97
PID 3436 wrote to memory of 3408	3436	Explorer.EXE	97
PID 3408 wrote to memory of 3684	3408	cmstp.exe	99
PID 3408 wrote to memory of 3684	3408	cmstp.exe	99
PID 3408 wrote to memory of 3684	3408	cmstp.exe	99

C:\Users\Admin\AppData\Local\Temp\BBK987866767899.exe
"C:\Users\Admin\AppData\Local\Temp\BBK987866767899.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3388
- C:\Users\Admin\AppData\Local\Temp\BBK987866767899.exe
  "C:\Users\Admin\AppData\Local\Temp\BBK987866767899.exe"
  2⤵
  PID:4676
- C:\Users\Admin\AppData\Local\Temp\BBK987866767899.exe
  "C:\Users\Admin\AppData\Local\Temp\BBK987866767899.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:2080

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3408
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\BBK987866767899.exe"
    3⤵
    PID:3684

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2080-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2080-17-0x0000000001480000-0x0000000001495000-memory.dmp

Filesize
84KB

Download
memory/2080-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2080-14-0x0000000001AD0000-0x0000000001E1A000-memory.dmp

Filesize
3.3MB

Download
memory/3388-13-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3388-1-0x0000000000C30000-0x0000000000CFC000-memory.dmp

Filesize
816KB

Download
memory/3388-6-0x00000000059F0000-0x0000000005A8C000-memory.dmp

Filesize
624KB

Download
memory/3388-7-0x00000000059E0000-0x00000000059F4000-memory.dmp

Filesize
80KB

Download
memory/3388-8-0x0000000005CB0000-0x0000000005CB8000-memory.dmp

Filesize
32KB

Download
memory/3388-9-0x0000000005CC0000-0x0000000005CCC000-memory.dmp

Filesize
48KB

Download
memory/3388-10-0x0000000006F20000-0x0000000006F8E000-memory.dmp

Filesize
440KB

Download
memory/3388-4-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/3388-0-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3388-3-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/3388-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/3388-5-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/3408-20-0x0000000000630000-0x0000000000646000-memory.dmp

Filesize
88KB

Download
memory/3408-21-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/3408-19-0x0000000000630000-0x0000000000646000-memory.dmp

Filesize
88KB

Download
memory/3408-22-0x0000000002550000-0x000000000289A000-memory.dmp

Filesize
3.3MB

Download
memory/3408-23-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/3408-25-0x0000000002470000-0x0000000002504000-memory.dmp

Filesize
592KB

Download
memory/3436-18-0x0000000008D30000-0x0000000008EC0000-memory.dmp

Filesize
1.6MB

Download
memory/3436-26-0x0000000007B30000-0x0000000007C2C000-memory.dmp

Filesize
1008KB

Download
memory/3436-27-0x0000000007B30000-0x0000000007C2C000-memory.dmp

Filesize
1008KB

Download
memory/3436-28-0x0000000008D30000-0x0000000008EC0000-memory.dmp

Filesize
1.6MB

Download
memory/3436-31-0x0000000007B30000-0x0000000007C2C000-memory.dmp

Filesize
1008KB

Download