formbook | 8b249a16ea50d01651cf9c1f01c97deea48293f1b28735450d62bd0413b93653

General

Target

1ad9efcddab819d24cca2f9323395f9e.exe
Size

329KB
MD5

1ad9efcddab819d24cca2f9323395f9e
SHA1

1ffcdd188cb66666cdac14bb8d8b48902bd666e6
SHA256

8b249a16ea50d01651cf9c1f01c97deea48293f1b28735450d62bd0413b93653
SHA512

1afaa2924ef06a5cde9cc1778b892738c126a3311c59e407a931601f5459ec26b7348ed12832cc88399931540d5198407be1c28f4ec7c3d1b98f70ebf15a8046

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/1012-124-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1012-125-0x000000000041EB80-mapping.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

1ad9efcddab819d24cca2f9323395f9e.exe

description pid process target process

PID 2680 set thread context of 1012 2680 1ad9efcddab819d24cca2f9323395f9e.exe 1ad9efcddab819d24cca2f9323395f9e.exe

description	pid	process	target process
PID 2680 set thread context of 1012	2680	1ad9efcddab819d24cca2f9323395f9e.exe	1ad9efcddab819d24cca2f9323395f9e.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

1ad9efcddab819d24cca2f9323395f9e.exe1ad9efcddab819d24cca2f9323395f9e.exe

pid	process
2680	1ad9efcddab819d24cca2f9323395f9e.exe
2680	1ad9efcddab819d24cca2f9323395f9e.exe
2680	1ad9efcddab819d24cca2f9323395f9e.exe
2680	1ad9efcddab819d24cca2f9323395f9e.exe
2680	1ad9efcddab819d24cca2f9323395f9e.exe
2680	1ad9efcddab819d24cca2f9323395f9e.exe
1012	1ad9efcddab819d24cca2f9323395f9e.exe
1012	1ad9efcddab819d24cca2f9323395f9e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1ad9efcddab819d24cca2f9323395f9e.exe

description pid process

Token: SeDebugPrivilege 2680 1ad9efcddab819d24cca2f9323395f9e.exe

description	pid	process
Token: SeDebugPrivilege	2680	1ad9efcddab819d24cca2f9323395f9e.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1ad9efcddab819d24cca2f9323395f9e.exe

description	pid	process	target process
PID 2680 wrote to memory of 1012	2680	1ad9efcddab819d24cca2f9323395f9e.exe	1ad9efcddab819d24cca2f9323395f9e.exe
PID 2680 wrote to memory of 1012	2680	1ad9efcddab819d24cca2f9323395f9e.exe	1ad9efcddab819d24cca2f9323395f9e.exe
PID 2680 wrote to memory of 1012	2680	1ad9efcddab819d24cca2f9323395f9e.exe	1ad9efcddab819d24cca2f9323395f9e.exe
PID 2680 wrote to memory of 1012	2680	1ad9efcddab819d24cca2f9323395f9e.exe	1ad9efcddab819d24cca2f9323395f9e.exe
PID 2680 wrote to memory of 1012	2680	1ad9efcddab819d24cca2f9323395f9e.exe	1ad9efcddab819d24cca2f9323395f9e.exe
PID 2680 wrote to memory of 1012	2680	1ad9efcddab819d24cca2f9323395f9e.exe	1ad9efcddab819d24cca2f9323395f9e.exe

C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe
"C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680

C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe
"C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1012

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1012-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1012-125-0x000000000041EB80-mapping.dmp

Download
memory/1012-126-0x00000000012C0000-0x00000000015E0000-memory.dmp

Filesize
3.1MB

Download
memory/2680-115-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2680-117-0x00000000051E0000-0x00000000051E1000-memory.dmp

Filesize
4KB

Download
memory/2680-118-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

Filesize
4KB

Download
memory/2680-119-0x0000000004CE0000-0x00000000051DE000-memory.dmp

Filesize
5.0MB

Download
memory/2680-120-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/2680-121-0x0000000004F90000-0x0000000004F97000-memory.dmp

Filesize
28KB

Download
memory/2680-122-0x0000000007380000-0x0000000007381000-memory.dmp

Filesize
4KB

Download
memory/2680-123-0x0000000007420000-0x000000000746B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads