formbook | 120694aadf1eb3c014ff05aea81661da85e34080d23ee2570b98d88b504b1819

General

Target

bankdetails.exe
Size

670KB
MD5

c5bfc79069cf743f50c82449ff7b597c
SHA1

b7ce8cce3995ff60ca0be6ff2fad05f30cca57a7
SHA256

120694aadf1eb3c014ff05aea81661da85e34080d23ee2570b98d88b504b1819
SHA512

bfd19942dc549d78c26f7b3bdcc6d1b897d39bd2a34ac0b7f982f5e139e8a84c5d017d18976d1cedf37016f9d5d1d77389b8fe949730e8db94691166c904b7bd
SSDEEP

12288:+Ff2iN+LwRQe3EVNyFoSfoy6zaYbtUkHTDeDXCvLMpLSt:I18Lw6jVNyFofy0btUkHPeDSja

Score

10^/10

formbook gtt8 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gtt8

Decoy

thesuccessbot.com

rittercivil.com

jt1.fun

d365extension.com

quqoxeq.top

visittworiverswi.com

bfprotienda.com

greenhabitsph.com

ladmere.com

clockboutiques.com

minwart.xyz

xinyuejiancai.online

eggsl.com

fetchingcandles.com

skywatiniya.com

hinkley.news

realityonlineenterprises.com

teamcroissant.com

esfera-pv.ch

herdadedosmontesbastos.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/5020-140-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5020-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1732-149-0x0000000001060000-0x000000000108F000-memory.dmp	formbook
behavioral2/memory/1732-151-0x0000000001060000-0x000000000108F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3924 set thread context of 5020	3924	bankdetails.exe	89
PID 5020 set thread context of 3176	5020	bankdetails.exe	41
PID 1732 set thread context of 3176	1732	NETSTAT.EXE	41

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
1732	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
5020	bankdetails.exe
5020	bankdetails.exe
5020	bankdetails.exe
5020	bankdetails.exe
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE
1732	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3176	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5020	bankdetails.exe
5020	bankdetails.exe
5020	bankdetails.exe
1732	NETSTAT.EXE
1732	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	bankdetails.exe
Token: SeDebugPrivilege	1732	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 5020	3924	bankdetails.exe	89
PID 3924 wrote to memory of 5020	3924	bankdetails.exe	89
PID 3924 wrote to memory of 5020	3924	bankdetails.exe	89
PID 3924 wrote to memory of 5020	3924	bankdetails.exe	89
PID 3924 wrote to memory of 5020	3924	bankdetails.exe	89
PID 3924 wrote to memory of 5020	3924	bankdetails.exe	89
PID 3176 wrote to memory of 1732	3176	Explorer.EXE	90
PID 3176 wrote to memory of 1732	3176	Explorer.EXE	90
PID 3176 wrote to memory of 1732	3176	Explorer.EXE	90
PID 1732 wrote to memory of 2032	1732	NETSTAT.EXE	91
PID 1732 wrote to memory of 2032	1732	NETSTAT.EXE	91
PID 1732 wrote to memory of 2032	1732	NETSTAT.EXE	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Users\Admin\AppData\Local\Temp\bankdetails.exe
  "C:\Users\Admin\AppData\Local\Temp\bankdetails.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3924
- - C:\Users\Admin\AppData\Local\Temp\bankdetails.exe
    "C:\Users\Admin\AppData\Local\Temp\bankdetails.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5020
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\bankdetails.exe"
    3⤵
    PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1732-147-0x0000000000380000-0x000000000038B000-memory.dmp

Filesize
44KB

Download
memory/1732-153-0x0000000001690000-0x0000000001724000-memory.dmp

Filesize
592KB

Download
memory/1732-151-0x0000000001060000-0x000000000108F000-memory.dmp

Filesize
188KB

Download
memory/1732-150-0x0000000001890000-0x0000000001BDA000-memory.dmp

Filesize
3.3MB

Download
memory/1732-149-0x0000000001060000-0x000000000108F000-memory.dmp

Filesize
188KB

Download
memory/1732-148-0x0000000000380000-0x000000000038B000-memory.dmp

Filesize
44KB

Download
memory/3176-146-0x0000000003160000-0x000000000325B000-memory.dmp

Filesize
1004KB

Download
memory/3176-154-0x0000000008F90000-0x0000000009081000-memory.dmp

Filesize
964KB

Download
memory/3176-157-0x0000000008F90000-0x0000000009081000-memory.dmp

Filesize
964KB

Download
memory/3176-155-0x0000000008F90000-0x0000000009081000-memory.dmp

Filesize
964KB

Download
memory/3924-138-0x00000000050C0000-0x00000000050D0000-memory.dmp

Filesize
64KB

Download
memory/3924-139-0x0000000006CB0000-0x0000000006D4C000-memory.dmp

Filesize
624KB

Download
memory/3924-137-0x00000000050C0000-0x00000000050D0000-memory.dmp

Filesize
64KB

Download
memory/3924-136-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

Filesize
40KB

Download
memory/3924-135-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/3924-134-0x00000000055C0000-0x0000000005B64000-memory.dmp

Filesize
5.6MB

Download
memory/3924-133-0x00000000004E0000-0x000000000058E000-memory.dmp

Filesize
696KB

Download
memory/5020-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5020-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5020-145-0x0000000001250000-0x0000000001265000-memory.dmp

Filesize
84KB

Download
memory/5020-143-0x0000000001290000-0x00000000015DA000-memory.dmp

Filesize
3.3MB

Download

Analysis

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