formbook | 74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25

Analysis

max time kernel
118s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 18:32

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General

Target

SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
Size

904KB
MD5

2364501a86685f9a53d37d339549cee5
SHA1

ebacf33c1e9f53048a8e808429671ed489dc285d
SHA256

74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25
SHA512

1210b67603986cfa62d6ac7df1ac3da1aeb03d80716f605465967e8895ec9fd39106918b5de5f865b7ce937cc2f111849b88450b517201cc6ea4b2af269e819d
SSDEEP

12288:8SYqU+RPN8z0WC9ZG5MyVh+rpDhl6loeY7XccEKjxN4qwkqpUKPPDdzoa1cfN:/JKzOZl56lE7McE6xN44ZKPPDdEPf

Score

10^/10

formbook b3es rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b3es

Decoy

sweets.wtf

apextama.com

tygbs.com

kumaoedu.com

bestbathroomremodeling.club

lnshykj.com

nelsonanddima.com

falunap.info

codyhinrichs.com

2797vip.com

danutka.com

3o2t307a.com

kellymariewest.com

profilelonn.online

procan.website

sopjimmy.com

xn--skdarkae-55ac80i.net

entitymanaged.com

melitadahl.art

joineguru.net

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
behavioral2/memory/2472-139-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

description	pid	process	target process
PID 1772 set thread context of 2472	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exeSecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

pid	process
1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
2472	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
2472	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

description pid process

Token: SeDebugPrivilege 1772 SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

description	pid	process
Token: SeDebugPrivilege	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

description	pid	process	target process
PID 1772 wrote to memory of 1144	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 1144	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 1144	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 2472	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 2472	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 2472	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 2472	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 2472	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
PID 1772 wrote to memory of 2472	1772	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe	SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1772

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe"
2⤵
PID:1144

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.845.22447.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1144-137-0x0000000000000000-mapping.dmp

Download
memory/1772-132-0x00000000000F0000-0x00000000001D8000-memory.dmp

Filesize
928KB

Download
memory/1772-133-0x0000000005060000-0x0000000005604000-memory.dmp

Filesize
5.6MB

Download
memory/1772-134-0x0000000004AB0000-0x0000000004B42000-memory.dmp

Filesize
584KB

Download
memory/1772-135-0x0000000004A30000-0x0000000004A3A000-memory.dmp

Filesize
40KB

Download
memory/1772-136-0x0000000007630000-0x00000000076CC000-memory.dmp

Filesize
624KB

Download
memory/2472-138-0x0000000000000000-mapping.dmp

Download
memory/2472-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2472-140-0x00000000017F0000-0x0000000001B3A000-memory.dmp

Filesize
3.3MB

Download