formbook | 267f66c96b16bd52ee383b06d728abd7f395e244cee4ab6a77caa319ae2c7996

Analysis

max time kernel
125s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 10:13

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General

Target

f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
Size

2.1MB
MD5

f368cd250e313612a8dfe5604aa44c16
SHA1

4a2cfe4b057b990f56a862e7b766e289bf526a5d
SHA256

267f66c96b16bd52ee383b06d728abd7f395e244cee4ab6a77caa319ae2c7996
SHA512

31434c49027e0049307d48e5cdda0950d865d1b0693441ad944e90d331cae62c9024988f2039fc049563d0185055ff4738774b596749014f7217c29dbf781ec1
SSDEEP

24576:TZzd/zy0ifLh84QPNt1MdYswzl+KC7FUTXqKdDF0eIsr4kUQcWCWtIgQowi:TZXZIA4kUZWHLQow

Score

10^/10

formbook cmsr discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cmsr

Decoy

dahlia-dolls.com

iamawife.com

gardunomx.com

roweelitetrucking.com

asapvk.com

strategieslimited.com

healthyweathorganics.com

wedding-gallery.net

fastoffer.online

biolab33.cloud

los40delocta.com

charliepaton.com

jenpaddock.com

zzmweb.com

poetarts.com

techwork4u.com

tracylynpropp.com

rkbodyfit.site

migaleriapanama.com

cosmostco.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3512-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3512-16-0x0000000001290000-0x00000000015DA000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 3512	1760	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	91

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	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3512	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
3512	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 3512	1760	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	91
PID 1760 wrote to memory of 3512	1760	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	91
PID 1760 wrote to memory of 3512	1760	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	91
PID 1760 wrote to memory of 3512	1760	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	91
PID 1760 wrote to memory of 3512	1760	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	91
PID 1760 wrote to memory of 3512	1760	f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f368cd250e313612a8dfe5604aa44c16_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3512

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/1760-8-0x0000000004E60000-0x0000000004E78000-memory.dmp

Filesize
96KB

Download
memory/1760-6-0x0000000004EB0000-0x0000000004F06000-memory.dmp

Filesize
344KB

Download
memory/1760-2-0x0000000004B80000-0x0000000004C1C000-memory.dmp

Filesize
624KB

Download
memory/1760-3-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/1760-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/1760-5-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/1760-1-0x0000000000020000-0x0000000000232000-memory.dmp

Filesize
2.1MB

Download
memory/1760-7-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-4-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/1760-9-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/1760-10-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-11-0x0000000000C20000-0x0000000000C78000-memory.dmp

Filesize
352KB

Download
memory/1760-14-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3512-15-0x0000000001290000-0x00000000015DA000-memory.dmp

Filesize
3.3MB

Download
memory/3512-16-0x0000000001290000-0x00000000015DA000-memory.dmp

Filesize
3.3MB

Download