formbook | 9feb83ef41e9933adb8cbd4b2f60dfc952cb75717c18c591726c5d68f3ef5cb8

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13-06-2024 08:35

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General

Target

a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
Size

444KB
MD5

a4a7f929c06bd4078c69a7dad2e126ca
SHA1

1fb11adfc3dda19bbad1f96b9afe35dd187c06fa
SHA256

9feb83ef41e9933adb8cbd4b2f60dfc952cb75717c18c591726c5d68f3ef5cb8
SHA512

8323e956d33454f35fa28aa2dba137b59bed1c4236b75483e0b6cd534343ed41a88b9d438fd29aca0bf323e94d26309ff62efe5a5e0a01289dbc82c52bcfbc88
SSDEEP

6144:JYx/VGfxaMFJdVhJNyu1Jn/jEHRUz5ZiuJEgN5s6v9osqrgTxXv0dQDV0XmuUjPq:JKOJ1KuDZz5ZlLN28LogTxwQuXmuUW

Score

10^/10

formbook 4kx rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

4kx

Decoy

tenghuab2b.com

docperkins.com

xn--8qvz5k.com

wahgig.com

lesfantomesdelopera.com

ableaccessdesign.com

fraubergtour.com

conjoo.com

colemix.com

ijmpennsylvania.com

viagraboysdownload.com

primaryancientgreeks.com

mavericktourist.com

cezhav.com

zapjevajlive.info

yvpol.com

moonoka.com

pengodam.com

prubobhatton.net

exanyu.info

Signatures

Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource yara_rule

behavioral2/memory/816-17-0x00000000013E0000-0x000000000172A000-memory.dmp disable_win_def
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

behavioral2/memory/816-13-0x0000000000400000-0x000000000042D000-memory.dmp formbook
Suspicious use of SetThreadContext 1 IoCs

Processes:

a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe

description pid process target process

PID 5036 set thread context of 816 5036 a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe

pid process

816 a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
816 a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe

resource	yara_rule
behavioral2/memory/816-17-0x00000000013E0000-0x000000000172A000-memory.dmp	disable_win_def

resource	yara_rule
behavioral2/memory/816-13-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

description	pid	process	target process
PID 5036 set thread context of 816	5036	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe

pid	process
816	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
816	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe

description	pid	process	target process
PID 5036 wrote to memory of 816	5036	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
PID 5036 wrote to memory of 816	5036	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
PID 5036 wrote to memory of 816	5036	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
PID 5036 wrote to memory of 816	5036	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
PID 5036 wrote to memory of 816	5036	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
PID 5036 wrote to memory of 816	5036	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe	a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5036

C:\Users\Admin\AppData\Local\Temp\a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4a7f929c06bd4078c69a7dad2e126ca_JaffaCakes118.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:816

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/816-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/816-17-0x00000000013E0000-0x000000000172A000-memory.dmp

Filesize
3.3MB

Download
memory/816-16-0x00000000013E0000-0x000000000172A000-memory.dmp

Filesize
3.3MB

Download
memory/5036-8-0x0000000005270000-0x000000000527A000-memory.dmp

Filesize
40KB

Download
memory/5036-10-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-5-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-6-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/5036-7-0x0000000005290000-0x00000000052E6000-memory.dmp

Filesize
344KB

Download
memory/5036-0-0x000000007501E000-0x000000007501F000-memory.dmp

Filesize
4KB

Download
memory/5036-9-0x000000007501E000-0x000000007501F000-memory.dmp

Filesize
4KB

Download
memory/5036-4-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/5036-11-0x00000000060A0000-0x00000000060F6000-memory.dmp

Filesize
344KB

Download
memory/5036-12-0x0000000006110000-0x0000000006146000-memory.dmp

Filesize
216KB

Download
memory/5036-3-0x00000000055E0000-0x0000000005B84000-memory.dmp

Filesize
5.6MB

Download
memory/5036-15-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-2-0x0000000004F90000-0x000000000502C000-memory.dmp

Filesize
624KB

Download
memory/5036-1-0x00000000006A0000-0x0000000000714000-memory.dmp

Filesize
464KB

Download