formbook | 10a9aab39489aa507d35bb18b357ca6c9f8642d8fa27fc1ad9c7de03c8e9415d

Analysis

max time kernel
94s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 15:33

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General

Target

fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe
Size

428KB
MD5

fc9a7d91c44b35ac45235cbd428d5f71
SHA1

3a2306041f07ac63b24375f2393cdcaae4a9aff2
SHA256

10a9aab39489aa507d35bb18b357ca6c9f8642d8fa27fc1ad9c7de03c8e9415d
SHA512

d235cd67e1e74675a1adaeffc89df82b2314dcb0d8f67887a9b9b0d14e9f3a0bd5c6c3df47ed08e6ab7f5de879be32b8434aa1843647b911629018db1312bdfc
SSDEEP

12288:QnOLBomnNZTudDLhkNbjPNUg6zhDn1ShWOi:QnkymnN6SNXWg6z91AWOi

Score

10^/10

formbook cmg discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cmg

Decoy

bestessentialcare.com

lemonguild.com

veronabling.com

omvzshop.com

austingutterrepair.com

noracbn.com

shizukis.com

keatingfreelanceservice.com

teamtobook.com

mqcsegurosyfinanzas.com

t-chou-pino-v.com

yuyunst.com

ctlaltignite.com

zinaidaphoto.com

ag-gis.com

hdollars.net

usa-zuche.com

opexsoftwaresupport.com

kaizenseed.com

thejoyshare.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/3160-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 3160	2600	fc9a7d91c44b35ac45235cbd428d5f71_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	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3160	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe
3160	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 3160	2600	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe	91
PID 2600 wrote to memory of 3160	2600	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe	91
PID 2600 wrote to memory of 3160	2600	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe	91
PID 2600 wrote to memory of 3160	2600	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe	91
PID 2600 wrote to memory of 3160	2600	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe	91
PID 2600 wrote to memory of 3160	2600	fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fc9a7d91c44b35ac45235cbd428d5f71_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3160

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/2600-8-0x0000000004E00000-0x0000000004E08000-memory.dmp

Filesize
32KB

Download
memory/2600-6-0x0000000004FD0000-0x0000000005026000-memory.dmp

Filesize
344KB

Download
memory/2600-2-0x0000000004E30000-0x0000000004ECC000-memory.dmp

Filesize
624KB

Download
memory/2600-3-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/2600-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/2600-5-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

Filesize
40KB

Download
memory/2600-1-0x00000000003B0000-0x0000000000422000-memory.dmp

Filesize
456KB

Download
memory/2600-7-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2600-4-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/2600-9-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/2600-10-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2600-11-0x0000000005D20000-0x0000000005D76000-memory.dmp

Filesize
344KB

Download
memory/2600-12-0x0000000005D80000-0x0000000005DB6000-memory.dmp

Filesize
216KB

Download
memory/2600-15-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/3160-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3160-16-0x0000000000FE0000-0x000000000132A000-memory.dmp

Filesize
3.3MB

Download