formbook | 3776d991080dd8cdf41d7b64315d1bccf2c09ed001058b9a28042d760f888163

General

Target

doc#230928330.exe
Size

688KB
MD5

733e39b98b5d9e34afd5feba60e74566
SHA1

33b76f208403ff4a41de8c0b59edf02ead600843
SHA256

3776d991080dd8cdf41d7b64315d1bccf2c09ed001058b9a28042d760f888163
SHA512

e7a82d2ba88f93b395b53bff19b2b6b32617639cc731a04d2ee57d9b33cfd1e18a42d4d1ed99fdf5d6967d43438b7f354299a762bcd033a0e95174ac8c07d2af
SSDEEP

12288:EuRr/TP5WypE15ZP5Lt35w2VM4k6yONHFs:Eu9/j0ypE15ZP5Lt35w2VM9ODs

Score

10^/10

formbook sn26 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sn26

Decoy

resenha10.bet

gulshan-rajput.com

xbus.tech

z813my.cfd

wlxzjlny.cfd

auntengotiempo.com

canada-reservation.com

thegiftcompany.shop

esthersilveirapropiedades.com

1wapws.top

ymjblnvo.cfd

termokimik.net

kushiro-artist-school.com

bmmboo.com

caceresconstructionservices.com

kentuckywalkabout.com

bringyourcart.com

miamiwinetour.com

bobcatsocial.site

thirdmind.network

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/4028-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4028-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2420-27-0x0000000000A00000-0x0000000000A2F000-memory.dmp	formbook
behavioral2/memory/2420-30-0x0000000000A00000-0x0000000000A2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 4028	1768	doc#230928330.exe	97
PID 4028 set thread context of 3184	4028	doc#230928330.exe	54
PID 2420 set thread context of 3184	2420	help.exe	54

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
4028	doc#230928330.exe
4028	doc#230928330.exe
4028	doc#230928330.exe
4028	doc#230928330.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe
2420	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3184	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4028	doc#230928330.exe
4028	doc#230928330.exe
4028	doc#230928330.exe
2420	help.exe
2420	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4028	doc#230928330.exe
Token: SeDebugPrivilege	2420	help.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3184	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 4028	1768	doc#230928330.exe	97
PID 1768 wrote to memory of 4028	1768	doc#230928330.exe	97
PID 1768 wrote to memory of 4028	1768	doc#230928330.exe	97
PID 1768 wrote to memory of 4028	1768	doc#230928330.exe	97
PID 1768 wrote to memory of 4028	1768	doc#230928330.exe	97
PID 1768 wrote to memory of 4028	1768	doc#230928330.exe	97
PID 3184 wrote to memory of 2420	3184	Explorer.EXE	98
PID 3184 wrote to memory of 2420	3184	Explorer.EXE	98
PID 3184 wrote to memory of 2420	3184	Explorer.EXE	98
PID 2420 wrote to memory of 5076	2420	help.exe	99
PID 2420 wrote to memory of 5076	2420	help.exe	99
PID 2420 wrote to memory of 5076	2420	help.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe
  "C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4028
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe"
    3⤵
    PID:5076

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1768-16-0x00000000071F0000-0x0000000007224000-memory.dmp

Filesize
208KB

Download
memory/1768-9-0x0000000006450000-0x00000000065D6000-memory.dmp

Filesize
1.5MB

Download
memory/1768-2-0x0000000005850000-0x00000000058EC000-memory.dmp

Filesize
624KB

Download
memory/1768-3-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/1768-4-0x0000000005990000-0x0000000005A22000-memory.dmp

Filesize
584KB

Download
memory/1768-5-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1768-6-0x0000000005C20000-0x0000000005C30000-memory.dmp

Filesize
64KB

Download
memory/1768-7-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/1768-8-0x0000000005B20000-0x0000000005B76000-memory.dmp

Filesize
344KB

Download
memory/1768-0-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1768-10-0x00000000065E0000-0x0000000006786000-memory.dmp

Filesize
1.6MB

Download
memory/1768-11-0x000000007F060000-0x000000007F070000-memory.dmp

Filesize
64KB

Download
memory/1768-12-0x0000000005C20000-0x0000000005C30000-memory.dmp

Filesize
64KB

Download
memory/1768-13-0x0000000007480000-0x000000000748C000-memory.dmp

Filesize
48KB

Download
memory/1768-14-0x000000007F060000-0x000000007F070000-memory.dmp

Filesize
64KB

Download
memory/1768-15-0x0000000008BA0000-0x0000000008C22000-memory.dmp

Filesize
520KB

Download
memory/1768-1-0x0000000000E10000-0x0000000000EC2000-memory.dmp

Filesize
712KB

Download
memory/1768-24-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2420-27-0x0000000000A00000-0x0000000000A2F000-memory.dmp

Filesize
188KB

Download
memory/2420-32-0x0000000001000000-0x0000000001094000-memory.dmp

Filesize
592KB

Download
memory/2420-25-0x0000000000280000-0x0000000000287000-memory.dmp

Filesize
28KB

Download
memory/2420-26-0x0000000000280000-0x0000000000287000-memory.dmp

Filesize
28KB

Download
memory/2420-28-0x0000000001110000-0x000000000145A000-memory.dmp

Filesize
3.3MB

Download
memory/2420-30-0x0000000000A00000-0x0000000000A2F000-memory.dmp

Filesize
188KB

Download
memory/3184-36-0x0000000008A80000-0x0000000008B23000-memory.dmp

Filesize
652KB

Download
memory/3184-23-0x0000000008550000-0x00000000086BF000-memory.dmp

Filesize
1.4MB

Download
memory/3184-34-0x0000000008A80000-0x0000000008B23000-memory.dmp

Filesize
652KB

Download
memory/3184-33-0x0000000008A80000-0x0000000008B23000-memory.dmp

Filesize
652KB

Download
memory/3184-29-0x0000000008550000-0x00000000086BF000-memory.dmp

Filesize
1.4MB

Download
memory/4028-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4028-19-0x0000000001420000-0x000000000176A000-memory.dmp

Filesize
3.3MB

Download
memory/4028-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4028-22-0x0000000001400000-0x0000000001415000-memory.dmp

Filesize
84KB

Download

Analysis

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