formbook | 37f6df44b9dd38408fe5682c6d660eceb04a2915b3420576afce05bf3076bc01

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/12/2024, 02:01 UTC

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General

Target

bb367436118b3298affddea50440ac12_JaffaCakes118.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 discovery 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 family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2632-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2632-16-0x0000000000840000-0x0000000000B43000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb367436118b3298affddea50440ac12_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2632	bb367436118b3298affddea50440ac12_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2632	2572	bb367436118b3298affddea50440ac12_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bb367436118b3298affddea50440ac12_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2572-6-0x0000000005440000-0x00000000054E2000-memory.dmp

Filesize
648KB

Download
memory/2572-7-0x0000000000330000-0x0000000000364000-memory.dmp

Filesize
208KB

Download
memory/2572-2-0x00000000001E0000-0x00000000001FE000-memory.dmp

Filesize
120KB

Download
memory/2572-3-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-4-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2572-5-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-1-0x0000000001020000-0x000000000118A000-memory.dmp

Filesize
1.4MB

Download
memory/2572-14-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2632-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2632-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2632-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2632-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-15-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2632-16-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download