formbook | cc7b6a1d27e2c8f4606dd8c6d5746eba33b7ac47a5d032151ceeeaa6ebc184eb

Analysis

max time kernel
137s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 08:40

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General

Target

c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe
Size

622KB
MD5

c87f83cb7568c13d1049f8308fe2fea0
SHA1

984ba41328e151cb09c39dd66a98ceb76b3db8c1
SHA256

cc7b6a1d27e2c8f4606dd8c6d5746eba33b7ac47a5d032151ceeeaa6ebc184eb
SHA512

1d7d2c5b6e891cbaf0bdc95eb2b430dbe17036400c142a0e8a72b7b87b31323dd56c31a7e77f08a71fde8864269598067a5f287a17e1d29fbea2dc0b216dc90c
SSDEEP

12288:gCGECvxGbhNbsmJvTaw82DhmkF6jvYG11zqfFIkXIu:jCpGTbaghmkivYGXcFY

Score

10^/10

formbook grv discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

grv

Decoy

morganofatlanta.com

vz473.com

hengetelt.com

bailcally.com

virtuosoonline.com

tenthousandli.com

ohanamascota.com

digi-plates.com

prismagtech.com

we-cinema.com

372680.com

smartautoexpert.xyz

mrxzg.com

apartment-brussels.com

reverseincubator.com

linkasean.com

yummicrabva.com

diguchaye.com

reaktorfatura.com

thecatsaysno.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/3976-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1300 set thread context of 3976	1300	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe	105

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	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3976	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe
3976	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 3976	1300	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe	105
PID 1300 wrote to memory of 3976	1300	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe	105
PID 1300 wrote to memory of 3976	1300	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe	105
PID 1300 wrote to memory of 3976	1300	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe	105
PID 1300 wrote to memory of 3976	1300	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe	105
PID 1300 wrote to memory of 3976	1300	c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe	105

C:\Users\Admin\AppData\Local\Temp\c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c87f83cb7568c13d1049f8308fe2fea0_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3976

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4512,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4500 /prefetch:8
1⤵
PID:2168

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/1300-6-0x00000000050C0000-0x0000000005116000-memory.dmp

Filesize
344KB

Download
memory/1300-8-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/1300-2-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/1300-3-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/1300-4-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/1300-5-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/1300-1-0x0000000000360000-0x0000000000402000-memory.dmp

Filesize
648KB

Download
memory/1300-7-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1300-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/1300-9-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/1300-10-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1300-11-0x0000000000CE0000-0x0000000000D4C000-memory.dmp

Filesize
432KB

Download
memory/1300-14-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/3976-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3976-15-0x0000000001BC0000-0x0000000001F0A000-memory.dmp

Filesize
3.3MB

Download