formbook | 1a40316f6c5b2edf199b2ea9d5b00cc4ae5547a29b6aa08caadd5ed53a007521

General

Target

Contract Agreement 200723.exe
Size

682KB
MD5

09917302bc0ecc0d3850cadcbd43e6c2
SHA1

d1720adf6fcb8ce441122827b575a99000e8190b
SHA256

1a40316f6c5b2edf199b2ea9d5b00cc4ae5547a29b6aa08caadd5ed53a007521
SHA512

df5dd09c475b4d6214670b2446715a92c13777db60084347b61fd690e8ef0978db9cfde42e0e970c05b5937e30b9df8c6393f8aff89f4eaaee29d30f8225c6df
SSDEEP

12288:GWc/bUYIsYolnqsPyYD5PqwZ24s2xVLbXRJa0lTe2j3hD:NiXrYo8xwZ24s2x5a0P

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 5 IoCs

rat

resource	yara_rule
behavioral1/memory/2752-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2752-70-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2752-81-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/268-86-0x00000000000B0000-0x00000000000DF000-memory.dmp	formbook
behavioral1/memory/268-88-0x00000000000B0000-0x00000000000DF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1452	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2752	2804	Contract Agreement 200723.exe	31
PID 2752 set thread context of 1300	2752	Contract Agreement 200723.exe	13
PID 2752 set thread context of 1300	2752	Contract Agreement 200723.exe	13
PID 268 set thread context of 1300	268	cscript.exe	13

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2752	Contract Agreement 200723.exe
2752	Contract Agreement 200723.exe
2840	powershell.exe
2752	Contract Agreement 200723.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe
268	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1300	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2752	Contract Agreement 200723.exe
2752	Contract Agreement 200723.exe
2752	Contract Agreement 200723.exe
2752	Contract Agreement 200723.exe
268	cscript.exe
268	cscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	Contract Agreement 200723.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	268	cscript.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2840	2804	Contract Agreement 200723.exe	30
PID 2804 wrote to memory of 2840	2804	Contract Agreement 200723.exe	30
PID 2804 wrote to memory of 2840	2804	Contract Agreement 200723.exe	30
PID 2804 wrote to memory of 2840	2804	Contract Agreement 200723.exe	30
PID 2804 wrote to memory of 2752	2804	Contract Agreement 200723.exe	31
PID 2804 wrote to memory of 2752	2804	Contract Agreement 200723.exe	31
PID 2804 wrote to memory of 2752	2804	Contract Agreement 200723.exe	31
PID 2804 wrote to memory of 2752	2804	Contract Agreement 200723.exe	31
PID 2804 wrote to memory of 2752	2804	Contract Agreement 200723.exe	31
PID 2804 wrote to memory of 2752	2804	Contract Agreement 200723.exe	31
PID 2804 wrote to memory of 2752	2804	Contract Agreement 200723.exe	31
PID 1300 wrote to memory of 268	1300	Explorer.EXE	33
PID 1300 wrote to memory of 268	1300	Explorer.EXE	33
PID 1300 wrote to memory of 268	1300	Explorer.EXE	33
PID 1300 wrote to memory of 268	1300	Explorer.EXE	33
PID 268 wrote to memory of 1452	268	cscript.exe	34
PID 268 wrote to memory of 1452	268	cscript.exe	34
PID 268 wrote to memory of 1452	268	cscript.exe	34
PID 268 wrote to memory of 1452	268	cscript.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\Contract Agreement 200723.exe
  "C:\Users\Admin\AppData\Local\Temp\Contract Agreement 200723.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Contract Agreement 200723.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2840
- - C:\Users\Admin\AppData\Local\Temp\Contract Agreement 200723.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract Agreement 200723.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:268
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Contract Agreement 200723.exe"
    3⤵
    - Deletes itself
    PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/268-84-0x0000000000CF0000-0x0000000000D12000-memory.dmp

Filesize
136KB

Download
memory/268-90-0x0000000000A70000-0x0000000000B04000-memory.dmp

Filesize
592KB

Download
memory/268-88-0x00000000000B0000-0x00000000000DF000-memory.dmp

Filesize
188KB

Download
memory/268-87-0x0000000002120000-0x0000000002423000-memory.dmp

Filesize
3.0MB

Download
memory/268-86-0x00000000000B0000-0x00000000000DF000-memory.dmp

Filesize
188KB

Download
memory/268-85-0x0000000000CF0000-0x0000000000D12000-memory.dmp

Filesize
136KB

Download
memory/1300-83-0x00000000071E0000-0x000000000732F000-memory.dmp

Filesize
1.3MB

Download
memory/1300-94-0x0000000007330000-0x00000000074BB000-memory.dmp

Filesize
1.5MB

Download
memory/1300-91-0x0000000007330000-0x00000000074BB000-memory.dmp

Filesize
1.5MB

Download
memory/1300-92-0x0000000007330000-0x00000000074BB000-memory.dmp

Filesize
1.5MB

Download
memory/1300-74-0x0000000006B90000-0x0000000006CB6000-memory.dmp

Filesize
1.1MB

Download
memory/2752-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-68-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/2752-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-71-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/2752-81-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-82-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/2804-60-0x0000000000360000-0x000000000036A000-memory.dmp

Filesize
40KB

Download
memory/2804-58-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-67-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-54-0x00000000009F0000-0x0000000000AA0000-memory.dmp

Filesize
704KB

Download
memory/2804-55-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-61-0x0000000005130000-0x00000000051A0000-memory.dmp

Filesize
448KB

Download
memory/2804-59-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2804-56-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2804-57-0x0000000000350000-0x0000000000360000-memory.dmp

Filesize
64KB

Download
memory/2840-79-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-77-0x00000000023E0000-0x0000000002420000-memory.dmp

Filesize
256KB

Download
memory/2840-76-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-75-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-78-0x00000000023E0000-0x0000000002420000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing