formbook | aff26754ef23f25c764d89c075e57536fc01b17cf6cde627dbf892783723d5fb

General

Target

Stripe.exe
Size

387KB
MD5

52f40e38350510d0101f33526d6fb0a6
SHA1

e5b3d8f68a5bcca610661b2e3c2276c9e260f948
SHA256

fec5ae0ee4950c22aa3278fbea92faf21abc081160d32ab3047d03c6409f8829
SHA512

55113f082c1211f0e3d514052ba9d1c3eadffa2d4f9712833cd03d2d9c856054669f26232928f305b15c638074e5d55d3e5e632c44126b79d21abe1f467f1f16

Score

10^/10

formbook ze01 coreentity rat rezer0 spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.0

Campaign

ze01

Decoy

yoyoyoyoyoyo.com

nonproxyserver10.life

modernstrikeonlinehack.online

gracieandjemima.com

thisdomainis.top

hhyxtz.com

hairmaxthailand.com

k1882.com

krommaks.com

emhalert.com

infiniafinancial.com

yaamr.com

acuatikorellana.com

frank-walberg.com

firstlightshop.com

dialettapp.com

redlinepipefab.com

mosskelley.net

18778912634.com

porpaixao.com

Signatures

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/1880-56-0x00000000003F0000-0x00000000003F8000-memory.dmp	coreentity

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1804-62-0x000000000041E310-mapping.dmp	formbook
behavioral1/memory/1804-61-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/1804-67-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1880-57-0x0000000000B40000-0x0000000000B7A000-memory.dmp	rezer0

Suspicious use of SetThreadContext 3 IoCs

Processes:

Stripe.exeStripe.exe

description	pid	process	target process
PID 1880 set thread context of 1804	1880	Stripe.exe	Stripe.exe
PID 1804 set thread context of 1376	1804	Stripe.exe	Explorer.EXE
PID 1804 set thread context of 1376	1804	Stripe.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Stripe.exe

pid process

1804 Stripe.exe
1804 Stripe.exe
1804 Stripe.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Stripe.exe

pid process

1804 Stripe.exe
1804 Stripe.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Stripe.exe

description pid process

Token: SeDebugPrivilege 1804 Stripe.exe

pid	process
1804	Stripe.exe
1804	Stripe.exe
1804	Stripe.exe

pid	process
1804	Stripe.exe
1804	Stripe.exe

description	pid	process
Token: SeDebugPrivilege	1804	Stripe.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Stripe.exeExplorer.EXE

description	pid	process	target process
PID 1880 wrote to memory of 1804	1880	Stripe.exe	Stripe.exe
PID 1880 wrote to memory of 1804	1880	Stripe.exe	Stripe.exe
PID 1880 wrote to memory of 1804	1880	Stripe.exe	Stripe.exe
PID 1880 wrote to memory of 1804	1880	Stripe.exe	Stripe.exe
PID 1880 wrote to memory of 1804	1880	Stripe.exe	Stripe.exe
PID 1880 wrote to memory of 1804	1880	Stripe.exe	Stripe.exe
PID 1880 wrote to memory of 1804	1880	Stripe.exe	Stripe.exe
PID 1376 wrote to memory of 1960	1376	Explorer.EXE	wininit.exe
PID 1376 wrote to memory of 1960	1376	Explorer.EXE	wininit.exe
PID 1376 wrote to memory of 1960	1376	Explorer.EXE	wininit.exe
PID 1376 wrote to memory of 1960	1376	Explorer.EXE	wininit.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\Stripe.exe
"C:\Users\Admin\AppData\Local\Temp\Stripe.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\Stripe.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1804

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
4⤵
PID:1840

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
PID:1960

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1376-66-0x00000000062F0000-0x000000000648B000-memory.dmp

Filesize
1.6MB

Download
memory/1376-69-0x0000000007790000-0x0000000007929000-memory.dmp

Filesize
1.6MB

Download
memory/1804-65-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/1804-58-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1804-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1804-62-0x000000000041E310-mapping.dmp

Download
memory/1804-61-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1804-64-0x0000000000BF0000-0x0000000000EF3000-memory.dmp

Filesize
3.0MB

Download
memory/1804-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1804-68-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/1880-57-0x0000000000B40000-0x0000000000B7A000-memory.dmp

Filesize
232KB

Download
memory/1880-54-0x0000000000B80000-0x0000000000BE8000-memory.dmp

Filesize
416KB

Download
memory/1880-56-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/1880-55-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads