formbook | 4f3c0de5a08e918050382a42c6109fda68cc8167664065ebd98c73d761fde3f3

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 1 IoCs
rat

Processes:

resource yara_rule

behavioral8/memory/2116-12-0x0000000000400000-0x000000000042F000-memory.dmp formbook
Suspicious use of SetThreadContext 1 IoCs

Processes:

JDtnp2mcrQvXDeo.exe

description pid process target process

PID 2420 set thread context of 2116 2420 JDtnp2mcrQvXDeo.exe JDtnp2mcrQvXDeo.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1948 2116 WerFault.exe JDtnp2mcrQvXDeo.exe

resource	yara_rule
behavioral8/memory/2116-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

description	pid	process	target process
PID 2420 set thread context of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe

pid	pid_target	process	target process
1948	2116	WerFault.exe	JDtnp2mcrQvXDeo.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

JDtnp2mcrQvXDeo.exeJDtnp2mcrQvXDeo.exe

description	pid	process	target process
PID 2420 wrote to memory of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2420 wrote to memory of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2420 wrote to memory of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2420 wrote to memory of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2420 wrote to memory of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2420 wrote to memory of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2420 wrote to memory of 2116	2420	JDtnp2mcrQvXDeo.exe	JDtnp2mcrQvXDeo.exe
PID 2116 wrote to memory of 1948	2116	JDtnp2mcrQvXDeo.exe	WerFault.exe
PID 2116 wrote to memory of 1948	2116	JDtnp2mcrQvXDeo.exe	WerFault.exe
PID 2116 wrote to memory of 1948	2116	JDtnp2mcrQvXDeo.exe	WerFault.exe
PID 2116 wrote to memory of 1948	2116	JDtnp2mcrQvXDeo.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe
"C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2420

C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe
"C:\Users\Admin\AppData\Local\Temp\JDtnp2mcrQvXDeo.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 36
3⤵
- Program crash
PID:1948

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2116-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2116-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2116-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2116-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2420-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2420-1-0x00000000001C0000-0x0000000000266000-memory.dmp

Filesize
664KB

Download
memory/2420-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-3-0x0000000000410000-0x0000000000426000-memory.dmp

Filesize
88KB

Download
memory/2420-4-0x00000000005B0000-0x00000000005BE000-memory.dmp

Filesize
56KB

Download
memory/2420-5-0x0000000000600000-0x0000000000610000-memory.dmp

Filesize
64KB

Download
memory/2420-6-0x0000000005C50000-0x0000000005CC6000-memory.dmp

Filesize
472KB

Download
memory/2420-13-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download