formbook | 37f6df44b9dd38408fe5682c6d660eceb04a2915b3420576afce05bf3076bc01

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2024 12:04

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General

Target

bb367436118b3298affddea50440ac12.exe
Size

1.4MB
MD5

bb367436118b3298affddea50440ac12
SHA1

b2b8d261784991e3c14c6577447362cb6d72634c
SHA256

37f6df44b9dd38408fe5682c6d660eceb04a2915b3420576afce05bf3076bc01
SHA512

f3549647a3e17bf9ca84e67e40311c3906e9b822f25567a434f8ae7ef737d0a10057ff5812fb293f4d2375b1da15b14458b33c3bcff92eb3599512757c1d638d
SSDEEP

12288:3JdXpDQCEm+SSboh6Htaw0gjLozE+LiBUVtfX/KT2fX1k/HmUVpGF9EVxlm:3JDBCh82j0zE+LiIKT2fX1vOm

Score

10^/10

formbook kzk9 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

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 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1152-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

bb367436118b3298affddea50440ac12.exe

description pid process target process

PID 2424 set thread context of 1152 2424 bb367436118b3298affddea50440ac12.exe bb367436118b3298affddea50440ac12.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

bb367436118b3298affddea50440ac12.exebb367436118b3298affddea50440ac12.exe

pid process

2424 bb367436118b3298affddea50440ac12.exe
1152 bb367436118b3298affddea50440ac12.exe
1152 bb367436118b3298affddea50440ac12.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bb367436118b3298affddea50440ac12.exe

description pid process

Token: SeDebugPrivilege 2424 bb367436118b3298affddea50440ac12.exe

description	pid	process	target process
PID 2424 set thread context of 1152	2424	bb367436118b3298affddea50440ac12.exe	bb367436118b3298affddea50440ac12.exe

pid	process
2424	bb367436118b3298affddea50440ac12.exe
1152	bb367436118b3298affddea50440ac12.exe
1152	bb367436118b3298affddea50440ac12.exe

description	pid	process
Token: SeDebugPrivilege	2424	bb367436118b3298affddea50440ac12.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bb367436118b3298affddea50440ac12.exe

description	pid	process	target process
PID 2424 wrote to memory of 1152	2424	bb367436118b3298affddea50440ac12.exe	bb367436118b3298affddea50440ac12.exe
PID 2424 wrote to memory of 1152	2424	bb367436118b3298affddea50440ac12.exe	bb367436118b3298affddea50440ac12.exe
PID 2424 wrote to memory of 1152	2424	bb367436118b3298affddea50440ac12.exe	bb367436118b3298affddea50440ac12.exe
PID 2424 wrote to memory of 1152	2424	bb367436118b3298affddea50440ac12.exe	bb367436118b3298affddea50440ac12.exe
PID 2424 wrote to memory of 1152	2424	bb367436118b3298affddea50440ac12.exe	bb367436118b3298affddea50440ac12.exe
PID 2424 wrote to memory of 1152	2424	bb367436118b3298affddea50440ac12.exe	bb367436118b3298affddea50440ac12.exe

C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12.exe
"C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12.exe
"C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1152

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1152-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1152-16-0x00000000011C0000-0x000000000150A000-memory.dmp

Filesize
3.3MB

Download
memory/2424-8-0x0000000005C80000-0x0000000005C9E000-memory.dmp

Filesize
120KB

Download
memory/2424-9-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/2424-4-0x0000000005AD0000-0x0000000005B62000-memory.dmp

Filesize
584KB

Download
memory/2424-5-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/2424-6-0x00000000059F0000-0x00000000059FA000-memory.dmp

Filesize
40KB

Download
memory/2424-7-0x0000000005CC0000-0x0000000005D16000-memory.dmp

Filesize
344KB

Download
memory/2424-0-0x0000000000E90000-0x0000000000FFA000-memory.dmp

Filesize
1.4MB

Download
memory/2424-3-0x0000000006080000-0x0000000006624000-memory.dmp

Filesize
5.6MB

Download
memory/2424-10-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/2424-11-0x00000000069D0000-0x0000000006A72000-memory.dmp

Filesize
648KB

Download
memory/2424-12-0x00000000067D0000-0x0000000006804000-memory.dmp

Filesize
208KB

Download
memory/2424-2-0x0000000005A30000-0x0000000005ACC000-memory.dmp

Filesize
624KB

Download
memory/2424-15-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/2424-1-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download