formbook | f641f1a87ee2a760b79417b410c52137c114e2618529bb90a0f281967975476e

General

Target

tmp.exe
Size

605KB
MD5

cb62322bf94c2372c0c4c0383f3c2a23
SHA1

7b628d08dde66fe82002c908a1cdca11db5d54ed
SHA256

f641f1a87ee2a760b79417b410c52137c114e2618529bb90a0f281967975476e
SHA512

8a43cc7a3d2f6ebd5bd3bddc6577d435ac421697a3a8ca34074a29bdc716b589e87684e1cc5ae8d1007ef22e69e72cb0393c45c2f9f681fee3e0a7acec7f4237
SSDEEP

12288:FYmXlA7G3NFi0b7BMAsSMMT6sOhOIbw9SopRGdovnyo6VNglbXT:F5aS9Fi0b7BPl569I4p4G6vn32SbXT

Score

10^/10

formbook tf6p rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tf6p

Decoy

poolcleanerskingsland.com

nieveslandscapee.com

wb263.com

smartlubetrading.com

linuowen.com

fna-seattle.com

jobgenie-ai.com

mycocktailmind.com

openai-invite.com

tnndjf5kyxz.com

mclane.attorney

somwear.xyz

spliffstudios.com

grupofaace.com

wuuwo.com

bigtimerushcharlotte.com

yourercchecks.com

arportablepottyrentals.biz

sbtsanantonio.com

explantationsbegleitung.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/336-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/336-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1368-72-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2016	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 336	1568	tmp.exe	28
PID 336 set thread context of 1200	336	tmp.exe	16
PID 1368 set thread context of 1200	1368	NETSTAT.EXE	16

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
1368	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
336	tmp.exe
336	tmp.exe
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE
1368	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1200	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
336	tmp.exe
336	tmp.exe
336	tmp.exe
1368	NETSTAT.EXE
1368	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	336	tmp.exe
Token: SeDebugPrivilege	1368	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 336	1568	tmp.exe	28
PID 1568 wrote to memory of 336	1568	tmp.exe	28
PID 1568 wrote to memory of 336	1568	tmp.exe	28
PID 1568 wrote to memory of 336	1568	tmp.exe	28
PID 1568 wrote to memory of 336	1568	tmp.exe	28
PID 1568 wrote to memory of 336	1568	tmp.exe	28
PID 1568 wrote to memory of 336	1568	tmp.exe	28
PID 1200 wrote to memory of 1368	1200	Explorer.EXE	29
PID 1200 wrote to memory of 1368	1200	Explorer.EXE	29
PID 1200 wrote to memory of 1368	1200	Explorer.EXE	29
PID 1200 wrote to memory of 1368	1200	Explorer.EXE	29
PID 1368 wrote to memory of 2016	1368	NETSTAT.EXE	30
PID 1368 wrote to memory of 2016	1368	NETSTAT.EXE	30
PID 1368 wrote to memory of 2016	1368	NETSTAT.EXE	30
PID 1368 wrote to memory of 2016	1368	NETSTAT.EXE	30

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:336

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200
- 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:1368
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Deletes itself
    PID:2016

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/336-66-0x0000000000AB0000-0x0000000000DB3000-memory.dmp

Filesize
3.0MB

Download
memory/336-68-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/336-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/336-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/336-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/336-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/336-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1200-80-0x0000000004DC0000-0x0000000004F3D000-memory.dmp

Filesize
1.5MB

Download
memory/1200-78-0x0000000004DC0000-0x0000000004F3D000-memory.dmp

Filesize
1.5MB

Download
memory/1200-77-0x0000000004DC0000-0x0000000004F3D000-memory.dmp

Filesize
1.5MB

Download
memory/1200-69-0x0000000004CA0000-0x0000000004DB5000-memory.dmp

Filesize
1.1MB

Download
memory/1368-70-0x0000000000A50000-0x0000000000A59000-memory.dmp

Filesize
36KB

Download
memory/1368-71-0x0000000000A50000-0x0000000000A59000-memory.dmp

Filesize
36KB

Download
memory/1368-72-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1368-73-0x00000000021E0000-0x00000000024E3000-memory.dmp

Filesize
3.0MB

Download
memory/1368-76-0x0000000002050000-0x00000000020E3000-memory.dmp

Filesize
588KB

Download
memory/1568-60-0x0000000001F90000-0x0000000001FC8000-memory.dmp

Filesize
224KB

Download
memory/1568-59-0x0000000007E20000-0x0000000007E90000-memory.dmp

Filesize
448KB

Download
memory/1568-58-0x00000000004F0000-0x00000000004FC000-memory.dmp

Filesize
48KB

Download
memory/1568-54-0x0000000000A10000-0x0000000000AAE000-memory.dmp

Filesize
632KB

Download
memory/1568-57-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/1568-56-0x00000000004E0000-0x00000000004F4000-memory.dmp

Filesize
80KB

Download
memory/1568-55-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download

Analysis

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