formbook | b5e8f3ae8eb85e6891ca54aca028e93ca572e5057fccfabd0ff0ae8afec59fd1

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 00:25 UTC

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General

Target

d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe
Size

935KB
MD5

f5f3e2cde43a70def7697aafd955cfc3
SHA1

da7c220e7974b04b057fcdc7a5708a77b31e716e
SHA256

d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0
SHA512

8cb11c45fb7bec41638c55dface7188b9f647d77efe56e5791cf620c83c116cc93c408c46ee7ee3c3d48de272fb7e8dba601093cce83ef29f00ec901ebb16aa4
SSDEEP

12288:Ymele2oYC/0yzySje4oPVM3z0rcW0VOdpMLJ7szoUARCif+oqui:YS2oYY0cLVCVM7oMLlss7Cif+oqX

Score

10^/10

formbook rsea discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rsea

Decoy

aylagrey.com

ketoodavoqslim.xyz

foyfoy.ltd

buymistnow.com

ownempire.net

cie-revolver.com

kedaimks.com

rockbettergear.com

luminousfadel.com

universalbumpkeys.com

enjoyablestopnshop.com

grandesfinanzas.com

professionmessaging.com

thtoughthenight.com

conservativesshop.com

jimihoodie.com

nhlove.net

agentsheila.com

tilemarkng.com

94ei6mgy.com

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
behavioral1/memory/2624-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31

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	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2624	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31
PID 2328 wrote to memory of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31
PID 2328 wrote to memory of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31
PID 2328 wrote to memory of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31
PID 2328 wrote to memory of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31
PID 2328 wrote to memory of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31
PID 2328 wrote to memory of 2624	2328	d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe	31

C:\Users\Admin\AppData\Local\Temp\d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe
"C:\Users\Admin\AppData\Local\Temp\d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\d995cec041a5c5fd26a26941ed9daa203d1760a12d56fc743a1980b573503bc0.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2624

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/2328-6-0x0000000004E50000-0x0000000004ED6000-memory.dmp

Filesize
536KB

Download
memory/2328-15-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-3-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download
memory/2328-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2328-5-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-7-0x0000000000580000-0x00000000005B4000-memory.dmp

Filesize
208KB

Download
memory/2328-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x0000000000040000-0x000000000012E000-memory.dmp

Filesize
952KB

Download
memory/2624-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-16-0x0000000000B00000-0x0000000000E03000-memory.dmp

Filesize
3.0MB

Download