formbook | 33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb

Analysis

max time kernel
54s
max time network
29s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
07-05-2023 00:36

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General

Target

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
Size

655KB
MD5

2c25ab75ea6c7f3cdbb1f7c8844b4c91
SHA1

7ee948ea458aff3cb6822a92020e1af0aa217ae8
SHA256

33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
SHA512

ee520741f8562bd595a8f468c32e38de2dbea168c0cf7b72eeb547e1ae6b2ed7d5da4653e86418190327672a4d75f2eae1e0fe15161ed3a7b9d90883029fa549
SSDEEP

12288:G2nqwaPv8rXaB1EqXg0BvATTY8f7dZBsmT768vr7QR++CFsRj6egQVt:G2Tiv8rX5qXgx7djb/4InFsR

Score

10^/10

formbook gtt8 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gtt8

Decoy

thesuccessbot.com

rittercivil.com

jt1.fun

d365extension.com

quqoxeq.top

visittworiverswi.com

bfprotienda.com

greenhabitsph.com

ladmere.com

clockboutiques.com

minwart.xyz

xinyuejiancai.online

eggsl.com

fetchingcandles.com

skywatiniya.com

hinkley.news

realityonlineenterprises.com

teamcroissant.com

esfera-pv.ch

herdadedosmontesbastos.com

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
behavioral1/memory/688-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description pid process target process

PID 1976 set thread context of 688 1976 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

pid process

1976 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
688 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description pid process

Token: SeDebugPrivilege 1976 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description	pid	process	target process
PID 1976 set thread context of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

pid	process
1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
688	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description	pid	process
Token: SeDebugPrivilege	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description	pid	process	target process
PID 1976 wrote to memory of 672	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 672	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 672	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 672	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 1976 wrote to memory of 688	1976	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
"C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
"C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe"
2⤵
PID:672

C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
"C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:688

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/688-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/688-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/688-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/688-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/688-65-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/1976-54-0x0000000001140000-0x00000000011EA000-memory.dmp

Filesize
680KB

Download
memory/1976-55-0x0000000004D70000-0x0000000004DB0000-memory.dmp

Filesize
256KB

Download
memory/1976-56-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/1976-57-0x0000000004D70000-0x0000000004DB0000-memory.dmp

Filesize
256KB

Download
memory/1976-58-0x00000000003C0000-0x00000000003CC000-memory.dmp

Filesize
48KB

Download
memory/1976-59-0x0000000004DB0000-0x0000000004E20000-memory.dmp

Filesize
448KB

Download
memory/1976-60-0x0000000000BE0000-0x0000000000C18000-memory.dmp

Filesize
224KB

Download