formbook | 34eeebc4197df0980b621253c336662f3868ccc65a5f99a832d47751d4d5384e

Analysis

max time kernel
91s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 23:01

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General

Target

d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe
Size

873KB
MD5

d302a55d33c34c382c7518fdefd49efa
SHA1

0601338d74705de83a331a7a60b7e175bc931329
SHA256

34eeebc4197df0980b621253c336662f3868ccc65a5f99a832d47751d4d5384e
SHA512

03d34237a54e0f32b400a49ba497de75dcf9b0c434c0826a8efa40bb4993c33431c8be7a555cf5f16f5ead02ab62fc0805144ba550da916624ca697819012a26
SSDEEP

12288:8Db7BqrErn/mxx7E6vMJaxKwWoFJm6y2o/Yc4/P2x1AFWqjwomGgosFI0+jN7RS8:8FBrny7d7eqq2Z32osomGuFI0+jN7

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/4508-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3360 set thread context of 4508	3360	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe	84

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	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3360	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe
3360	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe
4508	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe
4508	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3360	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 4508	3360	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe	84
PID 3360 wrote to memory of 4508	3360	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe	84
PID 3360 wrote to memory of 4508	3360	d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Users\Admin\AppData\Local\Temp\d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d302a55d33c34c382c7518fdefd49efa_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4508

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/3360-0-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/3360-5-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/3360-3-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/3360-2-0x0000000000720000-0x0000000000730000-memory.dmp

Filesize
64KB

Download
memory/3360-1-0x0000000000720000-0x0000000000730000-memory.dmp

Filesize
64KB

Download
memory/4508-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download