formbook | 3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

General

Target

6923309c1cf759930f67710ac9dfd328.exe
Size

511KB
MD5

6923309c1cf759930f67710ac9dfd328
SHA1

e74291e311e8466dd7222a2eb3779848385dd3fa
SHA256

3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea
SHA512

993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

Score

10^/10

formbook kzk9 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kzk9

C2

http://www.yourmajordomo.com/kzk9/

Decoy

tianconghuo.club

1996-page.com

ourtownmax.net

conservativetreehose.com

synth.repair

donnachicacreperia.com

tentfull.com

weapp.download

surfersink.com

gattlebusinessservices.com

sebastian249.com

anhphuc.company

betternatureproducts.net

defroplate.com

seattlesquidsquad.com

polarjob.com

lendingadvantage.com

angelsondope.com

goportjitney.com

tiendagrupojagr.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4416-124-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4416-125-0x000000000041EB80-mapping.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

6923309c1cf759930f67710ac9dfd328.exe

description pid process target process

PID 3556 set thread context of 4416 3556 6923309c1cf759930f67710ac9dfd328.exe 6923309c1cf759930f67710ac9dfd328.exe

description	pid	process	target process
PID 3556 set thread context of 4416	3556	6923309c1cf759930f67710ac9dfd328.exe	6923309c1cf759930f67710ac9dfd328.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

6923309c1cf759930f67710ac9dfd328.exe6923309c1cf759930f67710ac9dfd328.exe

pid	process
3556	6923309c1cf759930f67710ac9dfd328.exe
3556	6923309c1cf759930f67710ac9dfd328.exe
3556	6923309c1cf759930f67710ac9dfd328.exe
3556	6923309c1cf759930f67710ac9dfd328.exe
3556	6923309c1cf759930f67710ac9dfd328.exe
3556	6923309c1cf759930f67710ac9dfd328.exe
4416	6923309c1cf759930f67710ac9dfd328.exe
4416	6923309c1cf759930f67710ac9dfd328.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

6923309c1cf759930f67710ac9dfd328.exe

description pid process

Token: SeDebugPrivilege 3556 6923309c1cf759930f67710ac9dfd328.exe

description	pid	process
Token: SeDebugPrivilege	3556	6923309c1cf759930f67710ac9dfd328.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6923309c1cf759930f67710ac9dfd328.exe

description	pid	process	target process
PID 3556 wrote to memory of 4416	3556	6923309c1cf759930f67710ac9dfd328.exe	6923309c1cf759930f67710ac9dfd328.exe
PID 3556 wrote to memory of 4416	3556	6923309c1cf759930f67710ac9dfd328.exe	6923309c1cf759930f67710ac9dfd328.exe
PID 3556 wrote to memory of 4416	3556	6923309c1cf759930f67710ac9dfd328.exe	6923309c1cf759930f67710ac9dfd328.exe
PID 3556 wrote to memory of 4416	3556	6923309c1cf759930f67710ac9dfd328.exe	6923309c1cf759930f67710ac9dfd328.exe
PID 3556 wrote to memory of 4416	3556	6923309c1cf759930f67710ac9dfd328.exe	6923309c1cf759930f67710ac9dfd328.exe
PID 3556 wrote to memory of 4416	3556	6923309c1cf759930f67710ac9dfd328.exe	6923309c1cf759930f67710ac9dfd328.exe

C:\Users\Admin\AppData\Local\Temp\6923309c1cf759930f67710ac9dfd328.exe
"C:\Users\Admin\AppData\Local\Temp\6923309c1cf759930f67710ac9dfd328.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556

C:\Users\Admin\AppData\Local\Temp\6923309c1cf759930f67710ac9dfd328.exe
"C:\Users\Admin\AppData\Local\Temp\6923309c1cf759930f67710ac9dfd328.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4416

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3556-115-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/3556-117-0x00000000073D0000-0x00000000073D1000-memory.dmp

Filesize
4KB

Download
memory/3556-118-0x0000000006F70000-0x0000000006F71000-memory.dmp

Filesize
4KB

Download
memory/3556-119-0x0000000006ED0000-0x00000000073CE000-memory.dmp

Filesize
5.0MB

Download
memory/3556-120-0x0000000006F00000-0x0000000006F01000-memory.dmp

Filesize
4KB

Download
memory/3556-121-0x0000000007170000-0x0000000007177000-memory.dmp

Filesize
28KB

Download
memory/3556-122-0x0000000007B70000-0x0000000007B71000-memory.dmp

Filesize
4KB

Download
memory/3556-123-0x0000000007B20000-0x0000000007B6F000-memory.dmp

Filesize
316KB

Download
memory/4416-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4416-125-0x000000000041EB80-mapping.dmp

Download
memory/4416-126-0x0000000001430000-0x0000000001750000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads