formbook | 4f3c0de5a08e918050382a42c6109fda68cc8167664065ebd98c73d761fde3f3

Analysis

max time kernel
146s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
20-06-2024 02:17

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General

Target

JDtnp2mcrQvXDeo.exe
Size

652KB
MD5

3aee87433e931e3a5fc22f57f428fcbb
SHA1

f6495dd08bdc9d8d049e1e898800bd8d9311a549
SHA256

709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472
SHA512

8f12394205a9940feaf4d350f2d4d6f3adb693e00a56ebb8933c6cb6b062f419e4aaf0f4ccccd507bc1cfe042bd9ac0ee669d52e29daebd2c8465a3c709e4f24
SSDEEP

12288:G3qyJMjKlhpPEe0XTfBSH9GuIwY4HwHDohzRqrewL5aArEpVLsGY:G6OFh9EVckHBshMreWgWJ

Score

10^/10

formbook cr12 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cr12

Decoy

nff1291.com

satyainfra.com

hechiceradeamores.com

jfgminimalist.com

qut68q.com

pedandmore.com

sugardefender24-usa.us

somalse.com

lotusluxecandle.com

certificadobassetpro.com

veryaroma.com

thehistoryofindia.in

33155.cc

terastudy.net

84031.vip

heilsambegegnen.com

horizon-rg.info

junongpei.website

winstons.club

henslotalt.us

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
behavioral9/memory/4496-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral9/memory/4496-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral9/memory/4496-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral9/memory/388-25-0x0000000000D50000-0x0000000000D7F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

JDtnp2mcrQvXDeo.exeJDtnp2mcrQvXDeo.execmstp.exe

description	pid	process	target process
PID 2672 set thread context of 4496	2672	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 4496 set thread context of 3452	4496	JDtnp2mcrQvXDeo.exe	Explorer.EXE
PID 4496 set thread context of 3452	4496	JDtnp2mcrQvXDeo.exe	Explorer.EXE
PID 388 set thread context of 3452	388	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

JDtnp2mcrQvXDeo.execmstp.exe

pid	process
4496	JDtnp2mcrQvXDeo.exe
4496	JDtnp2mcrQvXDeo.exe
4496	JDtnp2mcrQvXDeo.exe
4496	JDtnp2mcrQvXDeo.exe
4496	JDtnp2mcrQvXDeo.exe
4496	JDtnp2mcrQvXDeo.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe
388	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

JDtnp2mcrQvXDeo.execmstp.exe

pid process

4496 JDtnp2mcrQvXDeo.exe
4496 JDtnp2mcrQvXDeo.exe
4496 JDtnp2mcrQvXDeo.exe
4496 JDtnp2mcrQvXDeo.exe
388 cmstp.exe
388 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

JDtnp2mcrQvXDeo.execmstp.exe

description pid process

Token: SeDebugPrivilege 4496 JDtnp2mcrQvXDeo.exe
Token: SeDebugPrivilege 388 cmstp.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3452 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4496	JDtnp2mcrQvXDeo.exe
Token: SeDebugPrivilege	388	cmstp.exe

pid	process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

JDtnp2mcrQvXDeo.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 2672 wrote to memory of 4496	2672	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2672 wrote to memory of 4496	2672	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2672 wrote to memory of 4496	2672	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2672 wrote to memory of 4496	2672	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2672 wrote to memory of 4496	2672	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2672 wrote to memory of 4496	2672	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 3452 wrote to memory of 388	3452	Explorer.EXE	cmstp.exe
PID 3452 wrote to memory of 388	3452	Explorer.EXE	cmstp.exe
PID 3452 wrote to memory of 388	3452	Explorer.EXE	cmstp.exe
PID 388 wrote to memory of 3500	388	cmstp.exe	cmd.exe
PID 388 wrote to memory of 3500	388	cmstp.exe	cmd.exe
PID 388 wrote to memory of 3500	388	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3452

C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe
"C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2672

C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe
"C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4496

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:388

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe"
3⤵
PID:3500

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/388-24-0x0000000000310000-0x0000000000326000-memory.dmp

Filesize
88KB

Download
memory/388-25-0x0000000000D50000-0x0000000000D7F000-memory.dmp

Filesize
188KB

Download
memory/388-23-0x0000000000310000-0x0000000000326000-memory.dmp

Filesize
88KB

Download
memory/2672-7-0x0000000005520000-0x000000000552E000-memory.dmp

Filesize
56KB

Download
memory/2672-1-0x0000000000610000-0x00000000006B6000-memory.dmp

Filesize
664KB

Download
memory/2672-4-0x00000000050B0000-0x00000000050BA000-memory.dmp

Filesize
40KB

Download
memory/2672-6-0x00000000054E0000-0x00000000054F6000-memory.dmp

Filesize
88KB

Download
memory/2672-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2672-8-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/2672-9-0x0000000006320000-0x0000000006396000-memory.dmp

Filesize
472KB

Download
memory/2672-10-0x00000000065F0000-0x000000000668C000-memory.dmp

Filesize
624KB

Download
memory/2672-5-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2672-13-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2672-2-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/2672-3-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/3452-26-0x0000000008C60000-0x0000000008DC7000-memory.dmp

Filesize
1.4MB

Download
memory/3452-18-0x0000000008C60000-0x0000000008DC7000-memory.dmp

Filesize
1.4MB

Download
memory/3452-33-0x0000000004B60000-0x0000000004C05000-memory.dmp

Filesize
660KB

Download
memory/3452-30-0x0000000004B60000-0x0000000004C05000-memory.dmp

Filesize
660KB

Download
memory/3452-22-0x0000000009370000-0x0000000009507000-memory.dmp

Filesize
1.6MB

Download
memory/3452-28-0x0000000009370000-0x0000000009507000-memory.dmp

Filesize
1.6MB

Download
memory/3452-29-0x0000000004B60000-0x0000000004C05000-memory.dmp

Filesize
660KB

Download
memory/4496-21-0x0000000001120000-0x0000000001134000-memory.dmp

Filesize
80KB

Download
memory/4496-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4496-14-0x0000000001280000-0x00000000015CA000-memory.dmp

Filesize
3.3MB

Download
memory/4496-17-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

Filesize
80KB

Download
memory/4496-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4496-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download