formbook | b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 14:57

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General

Target

JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
Size

929KB
MD5

5169a66e103b9ae847af49ecf8efb193
SHA1

44e891e64c62e6109f2b33c15a077b5c35214a1b
SHA256

b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491
SHA512

b628c682ce36a196f085d972043343ef164c680a0baa1198ff88f5c38010e25c79466d76698caa5238ab307d0fed45938f6a851ecf1320d562326032179bbfa3
SSDEEP

24576:asyK6fzapeIn3KUWcNz5HCgni/16cCDmg3:asyK6fzape86UtRCQi/16f

Score

10^/10

formbook g9s4 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g9s4

Decoy

visitmechanic.com

xn--kck4a7gpd474vx6i.com

prozdorovie.online

omatpupa.xyz

zamokwakhekhumalo.com

mayuraandchris.com

wanasahstore.com

bicicletas.win

yhdm61.com

mortgageattract.com

centuryofbio.com

xtdkgjt.com

nhahangnetnghe.com

whatsappsemcontato.com

onlinemarketing-teamwebus.com

zuevu.com

dancaronmusic.com

tingseo.com

uniflapline.com

setuppharmaweb.online

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3940-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1596 set thread context of 3940	1596	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	99

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	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3940	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
3940	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 3940	1596	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	99
PID 1596 wrote to memory of 3940	1596	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	99
PID 1596 wrote to memory of 3940	1596	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	99
PID 1596 wrote to memory of 3940	1596	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	99
PID 1596 wrote to memory of 3940	1596	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	99
PID 1596 wrote to memory of 3940	1596	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3940

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/1596-8-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1596-6-0x00000000068D0000-0x00000000068E6000-memory.dmp

Filesize
88KB

Download
memory/1596-2-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/1596-3-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/1596-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1596-5-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/1596-1-0x0000000000B30000-0x0000000000C1E000-memory.dmp

Filesize
952KB

Download
memory/1596-7-0x0000000006990000-0x0000000006A2C000-memory.dmp

Filesize
624KB

Download
memory/1596-4-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1596-9-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1596-10-0x0000000008410000-0x0000000008488000-memory.dmp

Filesize
480KB

Download
memory/1596-11-0x0000000008510000-0x0000000008576000-memory.dmp

Filesize
408KB

Download
memory/1596-12-0x0000000007040000-0x0000000007074000-memory.dmp

Filesize
208KB

Download
memory/1596-15-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/3940-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3940-16-0x00000000015F0000-0x000000000193A000-memory.dmp

Filesize
3.3MB

Download