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
behavioral1/memory/2644-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2644-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2408-26-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2408-29-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1896	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2644	2724	doc#230928330.exe	30
PID 2644 set thread context of 1248	2644	doc#230928330.exe	22
PID 2408 set thread context of 1248	2408	raserver.exe	22

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2724	doc#230928330.exe
2644	doc#230928330.exe
2644	doc#230928330.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe
2408	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1248	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2644	doc#230928330.exe
2644	doc#230928330.exe
2644	doc#230928330.exe
2408	raserver.exe
2408	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	doc#230928330.exe
Token: SeDebugPrivilege	2644	doc#230928330.exe
Token: SeDebugPrivilege	2408	raserver.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 1908	2724	doc#230928330.exe	29
PID 2724 wrote to memory of 1908	2724	doc#230928330.exe	29
PID 2724 wrote to memory of 1908	2724	doc#230928330.exe	29
PID 2724 wrote to memory of 1908	2724	doc#230928330.exe	29
PID 2724 wrote to memory of 2644	2724	doc#230928330.exe	30
PID 2724 wrote to memory of 2644	2724	doc#230928330.exe	30
PID 2724 wrote to memory of 2644	2724	doc#230928330.exe	30
PID 2724 wrote to memory of 2644	2724	doc#230928330.exe	30
PID 2724 wrote to memory of 2644	2724	doc#230928330.exe	30
PID 2724 wrote to memory of 2644	2724	doc#230928330.exe	30
PID 2724 wrote to memory of 2644	2724	doc#230928330.exe	30
PID 1248 wrote to memory of 2408	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2408	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2408	1248	Explorer.EXE	31
PID 1248 wrote to memory of 2408	1248	Explorer.EXE	31
PID 2408 wrote to memory of 1896	2408	raserver.exe	32
PID 2408 wrote to memory of 1896	2408	raserver.exe	32
PID 2408 wrote to memory of 1896	2408	raserver.exe	32
PID 2408 wrote to memory of 1896	2408	raserver.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe
  "C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe
    "{path}"
    3⤵
    PID:1908
- - 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:2644
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\doc#230928330.exe"
    3⤵
    - Deletes itself
    PID:1896

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1248-28-0x00000000072E0000-0x000000000746F000-memory.dmp

Filesize
1.6MB

Download
memory/1248-35-0x0000000007610000-0x000000000777D000-memory.dmp

Filesize
1.4MB

Download
memory/1248-33-0x0000000007610000-0x000000000777D000-memory.dmp

Filesize
1.4MB

Download
memory/1248-32-0x0000000007610000-0x000000000777D000-memory.dmp

Filesize
1.4MB

Download
memory/1248-22-0x0000000003C40000-0x0000000003E40000-memory.dmp

Filesize
2.0MB

Download
memory/1248-23-0x00000000072E0000-0x000000000746F000-memory.dmp

Filesize
1.6MB

Download
memory/2408-26-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2408-27-0x00000000020B0000-0x00000000023B3000-memory.dmp

Filesize
3.0MB

Download
memory/2408-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2408-25-0x00000000009C0000-0x00000000009DC000-memory.dmp

Filesize
112KB

Download
memory/2408-24-0x00000000009C0000-0x00000000009DC000-memory.dmp

Filesize
112KB

Download
memory/2408-31-0x0000000001E80000-0x0000000001F14000-memory.dmp

Filesize
592KB

Download
memory/2644-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-18-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/2644-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-21-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2724-7-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2724-17-0x0000000074590000-0x0000000074C7E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-9-0x0000000000520000-0x0000000000554000-memory.dmp

Filesize
208KB

Download
memory/2724-8-0x0000000005E90000-0x0000000005F12000-memory.dmp

Filesize
520KB

Download
memory/2724-0-0x0000000074590000-0x0000000074C7E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-6-0x00000000001D0000-0x0000000000210000-memory.dmp

Filesize
256KB

Download
memory/2724-5-0x0000000074590000-0x0000000074C7E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-4-0x00000000002D0000-0x00000000002DC000-memory.dmp

Filesize
48KB

Download
memory/2724-3-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2724-2-0x00000000001D0000-0x0000000000210000-memory.dmp

Filesize
256KB

Download
memory/2724-1-0x0000000000CC0000-0x0000000000D72000-memory.dmp

Filesize
712KB

Download

Analysis

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