formbook | 3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b

General

Target

fdebcac35105439faeecb9658e617a8c.exe
Size

393KB
MD5

fdebcac35105439faeecb9658e617a8c
SHA1

2ab30ddc845cf8664fbc96f82263f89fca255cec
SHA256

3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b
SHA512

3e6ce3997aed664225be3fc363e4343fc8af70f610ef0502001beb9cd679efa09af94e637556b971f4b929c819e2fb5fb8352a6e7c9c1372034084368a3af123

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
behavioral1/memory/840-63-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/840-64-0x000000000041EB80-mapping.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

fdebcac35105439faeecb9658e617a8c.exe

description pid process target process

PID 856 set thread context of 840 856 fdebcac35105439faeecb9658e617a8c.exe fdebcac35105439faeecb9658e617a8c.exe

description	pid	process	target process
PID 856 set thread context of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

fdebcac35105439faeecb9658e617a8c.exefdebcac35105439faeecb9658e617a8c.exe

pid	process
856	fdebcac35105439faeecb9658e617a8c.exe
856	fdebcac35105439faeecb9658e617a8c.exe
856	fdebcac35105439faeecb9658e617a8c.exe
856	fdebcac35105439faeecb9658e617a8c.exe
856	fdebcac35105439faeecb9658e617a8c.exe
856	fdebcac35105439faeecb9658e617a8c.exe
840	fdebcac35105439faeecb9658e617a8c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fdebcac35105439faeecb9658e617a8c.exe

description pid process

Token: SeDebugPrivilege 856 fdebcac35105439faeecb9658e617a8c.exe

description	pid	process
Token: SeDebugPrivilege	856	fdebcac35105439faeecb9658e617a8c.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

fdebcac35105439faeecb9658e617a8c.exe

description	pid	process	target process
PID 856 wrote to memory of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe
PID 856 wrote to memory of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe
PID 856 wrote to memory of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe
PID 856 wrote to memory of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe
PID 856 wrote to memory of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe
PID 856 wrote to memory of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe
PID 856 wrote to memory of 840	856	fdebcac35105439faeecb9658e617a8c.exe	fdebcac35105439faeecb9658e617a8c.exe

C:\Users\Admin\AppData\Local\Temp\fdebcac35105439faeecb9658e617a8c.exe
"C:\Users\Admin\AppData\Local\Temp\fdebcac35105439faeecb9658e617a8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856

C:\Users\Admin\AppData\Local\Temp\fdebcac35105439faeecb9658e617a8c.exe
"C:\Users\Admin\AppData\Local\Temp\fdebcac35105439faeecb9658e617a8c.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:840

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/840-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/840-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/840-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/840-64-0x000000000041EB80-mapping.dmp

Download
memory/840-65-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/856-55-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/856-57-0x0000000074A41000-0x0000000074A43000-memory.dmp

Filesize
8KB

Download
memory/856-58-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/856-59-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/856-60-0x0000000005120000-0x000000000516F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads