formbook | 241245cb421ccd025316c936471b0f6cf3c4ac4eb00ee45e4a91b7d63b1abf2f

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 13:38

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General

Target

e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe
Size

383KB
MD5

e6f07c4af3e5cb4d02d44f0b758604a0
SHA1

e03ae248c99b5cb6f0aba67d67f29ecb0eedb107
SHA256

241245cb421ccd025316c936471b0f6cf3c4ac4eb00ee45e4a91b7d63b1abf2f
SHA512

3a5d1386937f1a25969a172b32cc69d291a472b05da80b761c847997736b8076822cbe460b9546514f41a88eb94280777750c299c9258156b3982b52afb7f368
SSDEEP

6144:2DXdayqqqqqqqqqqqqY4Vzb81ILy0pEiT3ijHTj/zZW/vsJap7fTaYsc0mWW0eef:OaieIfpDTSjXyHmbjjVmmR

Score

10^/10

formbook jj discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.7

Campaign

Decoy

raproll.com

kombipack.com

dhl365.com

vhoxda.men

zisigui.com

i-o.ltd

serenitynowcafe.com

huntsafety.com

caquciqu.com

novoflexled.com

54smg.com

bintrade.info

34f7j3k.online

wwwjs80088.com

lifestylestimes.com

gradientdecisions.com

h-v-s.com

eternallybound.win

nafa.ltd

veteransusa.site

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/376-7-0x0000000004D50000-0x0000000004D98000-memory.dmp	formbook
behavioral2/memory/2452-10-0x0000000000500000-0x000000000052A000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 376 set thread context of 2452	376	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
224	2452	WerFault.exe	82

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	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 2452	376	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe	82
PID 376 wrote to memory of 2452	376	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe	82
PID 376 wrote to memory of 2452	376	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe	82
PID 376 wrote to memory of 2452	376	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe	82
PID 376 wrote to memory of 2452	376	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe	82
PID 376 wrote to memory of 2452	376	e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e6f07c4af3e5cb4d02d44f0b758604a0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:376
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  PID:2452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 184
    3⤵
    - Program crash
    PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2452 -ip 2452
1⤵
PID:4592

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

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Downloads

memory/376-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/376-1-0x00000000002F0000-0x0000000000356000-memory.dmp

Filesize
408KB

Download
memory/376-2-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/376-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

Filesize
584KB

Download
memory/376-4-0x0000000004E60000-0x0000000004EFC000-memory.dmp

Filesize
624KB

Download
memory/376-5-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/376-6-0x0000000004D20000-0x0000000004D2A000-memory.dmp

Filesize
40KB

Download
memory/376-7-0x0000000004D50000-0x0000000004D98000-memory.dmp

Filesize
288KB

Download
memory/376-8-0x0000000005060000-0x000000000507A000-memory.dmp

Filesize
104KB

Download
memory/376-13-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2452-10-0x0000000000500000-0x000000000052A000-memory.dmp

Filesize
168KB

Download