formbook | f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e

Analysis

max time kernel
134s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 15:20

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General

Target

cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
Size

2.0MB
MD5

cb198e943e5c25204869a0e0d2a0d964
SHA1

96c3810223482ed17cff242e5fef92b5e8277152
SHA256

f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e
SHA512

b27fe38702adbc33ed13f6b8e4ce3d2deb47e154338d6fc67996965c82fdb7223669db20a07a96c240504ef1e4c9c1294a8df722d3969243414790ef7d616140
SSDEEP

24576:vo9iLCQbWxKSYcSIsu4kUpcZcAGSOAYpwcG9e9O1eR:vbbQNCID4kUS6sOJVWCOY

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 1 IoCs

rat

resource	yara_rule
behavioral2/memory/380-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1252 set thread context of 380	1252	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe	108

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	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
380	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
380	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 380	1252	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe	108
PID 1252 wrote to memory of 380	1252	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe	108
PID 1252 wrote to memory of 380	1252	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe	108
PID 1252 wrote to memory of 380	1252	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe	108
PID 1252 wrote to memory of 380	1252	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe	108
PID 1252 wrote to memory of 380	1252	cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe	108

C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:380

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/380-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/380-15-0x0000000001410000-0x000000000175A000-memory.dmp

Filesize
3.3MB

Download
memory/1252-6-0x0000000005A50000-0x0000000005AA6000-memory.dmp

Filesize
344KB

Download
memory/1252-3-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/1252-4-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/1252-5-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/1252-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/1252-7-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1252-8-0x0000000005A00000-0x0000000005A18000-memory.dmp

Filesize
96KB

Download
memory/1252-9-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/1252-10-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1252-11-0x0000000006650000-0x00000000066A8000-memory.dmp

Filesize
352KB

Download
memory/1252-2-0x00000000057B0000-0x000000000584C000-memory.dmp

Filesize
624KB

Download
memory/1252-14-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1252-1-0x0000000000D10000-0x0000000000F20000-memory.dmp

Filesize
2.1MB

Download