formbook | 17de42648d49e21ed411c460fa0c805443e1898e21114beb8ea7301da3ee6b31

Analysis

max time kernel
134s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-08-2024 08:41

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General

Target

c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe
Size

847KB
MD5

c68506d23178bedf545bb2b028d8572e
SHA1

3b4d7f2827f3c11ad73596943a19707d61e92bf5
SHA256

17de42648d49e21ed411c460fa0c805443e1898e21114beb8ea7301da3ee6b31
SHA512

bf24fcfc36f96eeedeab6cfc222fcc34d8925e29fbdef5fc57ae002237d4202897e2b062ea0fe9552a5514802bb4289ed8a4c6522234d1504cc953acca7f39f2
SSDEEP

12288:8ayc8dtxZjKBVbBstxucrzyUYG2gmmz/PXtgobWmpfb4dstkoHQH8mlLeOIP:qPtxFKXboucS5vcz/2Cpvko2pxRc

Score

10^/10

formbook 3nk4 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nk4

Decoy

teresaanaya.com

byronhobbs.com

altiizgara.com

reignsponsibly.com

kanistones.com

clickpk.site

aizzainvestments.com

bpqbq.com

openfitxbstretch.com

blackvoicesstore.com

yousefzaid.com

verdeaccounting.com

independentthoughtshow.com

fainlywatchdog.com

elreventondelsabor.com

spiceyourfood.com

1277hb.com

cesttoni.com

portalngs.com

turismoplayas.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3888-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3108 set thread context of 3888	3108	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe	85

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	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3108	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe
3108	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe
3888	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe
3888	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3108	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 3888	3108	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe	85
PID 3108 wrote to memory of 3888	3108	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe	85
PID 3108 wrote to memory of 3888	3108	c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Users\Admin\AppData\Local\Temp\c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c68506d23178bedf545bb2b028d8572e_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3888

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/3108-0-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/3108-2-0x0000000002300000-0x0000000002312000-memory.dmp

Filesize
72KB

Download
memory/3108-3-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/3108-5-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/3888-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download