formbook | 9a565700a3d3c7a802780c0e4ba717b082175fd33b5afc7dcfeb95905b6db784

General

Target

Confirmação do pedido.pdf.exe
Size

590KB
MD5

2f9e1385a9c419ad70bb121e4250ae0a
SHA1

ee2018b7427e3eccd78683018864043a72d841a9
SHA256

9a565700a3d3c7a802780c0e4ba717b082175fd33b5afc7dcfeb95905b6db784
SHA512

9c7a9d86a29729b1189a027e11c40175928c2c76355678ebaa06a08b42a8b0d6c0e6ba6237d61aa81a8a80e8b9d52b22c877f45dd74a233c720fee10e6419917
SSDEEP

12288:IS4CMwNNFJyvdgH7RPTwerlTuzRjynjSGqaJt2m8:IMFggH7RbweRTuzJsjSGqaJsm8

Score

10^/10

formbook o22d rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o22d

Decoy

stillsfengservices.com

protectagainstcrime.com

winiboya.com

mindbeforemusic.com

giyelz1i5.sbs

coin8899.com

coolgirls.club

ssdcf1416aasx.world

heir.solutions

soulmatchup.xyz

ingenetpy.com

knkvdqt5g.sbs

vireoremedy.com

leopolis.rent

apartment-for-rent-314.space

theenlightenedmotherhood.com

zidao.cloud

oi7982jbacdbfssagroup.monster

anandasnacks.com

start.beer

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4488-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4488-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3292-20-0x0000000000760000-0x000000000078F000-memory.dmp	formbook
behavioral2/memory/3292-22-0x0000000000760000-0x000000000078F000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

cmstp.exe

flow pid process

230 3292 cmstp.exe

flow	pid	process
230	3292	cmstp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Confirmação do pedido.pdf.exeConfirmação do pedido.pdf.execmstp.exe

description	pid	process	target process
PID 2364 set thread context of 4488	2364	Confirmação do pedido.pdf.exe	Confirmação do pedido.pdf.exe
PID 4488 set thread context of 3204	4488	Confirmação do pedido.pdf.exe	Explorer.EXE
PID 3292 set thread context of 3204	3292	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 61 IoCs

Processes:

Confirmação do pedido.pdf.execmstp.exe

pid	process
4488	Confirmação do pedido.pdf.exe
4488	Confirmação do pedido.pdf.exe
4488	Confirmação do pedido.pdf.exe
4488	Confirmação do pedido.pdf.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe
3292	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Confirmação do pedido.pdf.execmstp.exe

pid process

4488 Confirmação do pedido.pdf.exe
4488 Confirmação do pedido.pdf.exe
4488 Confirmação do pedido.pdf.exe
3292 cmstp.exe
3292 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Confirmação do pedido.pdf.execmstp.exe

description pid process

Token: SeDebugPrivilege 4488 Confirmação do pedido.pdf.exe
Token: SeDebugPrivilege 3292 cmstp.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3204 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4488	Confirmação do pedido.pdf.exe
Token: SeDebugPrivilege	3292	cmstp.exe

pid	process
3204	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Confirmação do pedido.pdf.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 2364 wrote to memory of 4488	2364	Confirmação do pedido.pdf.exe	Confirmação do pedido.pdf.exe
PID 2364 wrote to memory of 4488	2364	Confirmação do pedido.pdf.exe	Confirmação do pedido.pdf.exe
PID 2364 wrote to memory of 4488	2364	Confirmação do pedido.pdf.exe	Confirmação do pedido.pdf.exe
PID 2364 wrote to memory of 4488	2364	Confirmação do pedido.pdf.exe	Confirmação do pedido.pdf.exe
PID 2364 wrote to memory of 4488	2364	Confirmação do pedido.pdf.exe	Confirmação do pedido.pdf.exe
PID 2364 wrote to memory of 4488	2364	Confirmação do pedido.pdf.exe	Confirmação do pedido.pdf.exe
PID 3204 wrote to memory of 3292	3204	Explorer.EXE	cmstp.exe
PID 3204 wrote to memory of 3292	3204	Explorer.EXE	cmstp.exe
PID 3204 wrote to memory of 3292	3204	Explorer.EXE	cmstp.exe
PID 3292 wrote to memory of 876	3292	cmstp.exe	cmd.exe
PID 3292 wrote to memory of 876	3292	cmstp.exe	cmd.exe
PID 3292 wrote to memory of 876	3292	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3204

C:\Users\Admin\AppData\Local\Temp\Confirmação do pedido.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmação do pedido.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364

C:\Users\Admin\AppData\Local\Temp\Confirmação do pedido.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmação do pedido.pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4488

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:4256

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3292

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Confirmação do pedido.pdf.exe"
3⤵
PID:876

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2364-8-0x0000000006690000-0x0000000006706000-memory.dmp

Filesize
472KB

Download
memory/2364-6-0x0000000005390000-0x00000000053A2000-memory.dmp

Filesize
72KB

Download
memory/2364-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/2364-3-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/2364-0-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2364-5-0x0000000005330000-0x000000000533A000-memory.dmp

Filesize
40KB

Download
memory/2364-1-0x0000000000700000-0x000000000079A000-memory.dmp

Filesize
616KB

Download
memory/2364-7-0x00000000057E0000-0x00000000057EC000-memory.dmp

Filesize
48KB

Download
memory/2364-4-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/2364-9-0x00000000090D0000-0x000000000916C000-memory.dmp

Filesize
624KB

Download
memory/2364-12-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3204-32-0x00000000085A0000-0x000000000872C000-memory.dmp

Filesize
1.5MB

Download
memory/3204-29-0x00000000085A0000-0x000000000872C000-memory.dmp

Filesize
1.5MB

Download
memory/3204-28-0x00000000085A0000-0x000000000872C000-memory.dmp

Filesize
1.5MB

Download
memory/3204-25-0x00000000082A0000-0x0000000008446000-memory.dmp

Filesize
1.6MB

Download
memory/3204-17-0x00000000082A0000-0x0000000008446000-memory.dmp

Filesize
1.6MB

Download
memory/3292-20-0x0000000000760000-0x000000000078F000-memory.dmp

Filesize
188KB

Download
memory/3292-19-0x0000000000870000-0x0000000000886000-memory.dmp

Filesize
88KB

Download
memory/3292-18-0x0000000000870000-0x0000000000886000-memory.dmp

Filesize
88KB

Download
memory/3292-21-0x0000000002B40000-0x0000000002E8A000-memory.dmp

Filesize
3.3MB

Download
memory/3292-22-0x0000000000760000-0x000000000078F000-memory.dmp

Filesize
188KB

Download
memory/3292-24-0x00000000027D0000-0x0000000002863000-memory.dmp

Filesize
588KB

Download
memory/4488-16-0x0000000001620000-0x0000000001634000-memory.dmp

Filesize
80KB

Download
memory/4488-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4488-13-0x00000000016D0000-0x0000000001A1A000-memory.dmp

Filesize
3.3MB

Download
memory/4488-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads