formbook | 7f18372c0442afdf8d7929f1ab4c5e02ae0f83e1419dcde5867b4f440373bd7f

Analysis

max time kernel
111s
max time network
140s
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, 00:11

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General

Target

3dad99752800d2418553870b6e932c66.exe
Size

793KB
MD5

3dad99752800d2418553870b6e932c66
SHA1

2ced778734d015bb2c974adeab24e5e315f848a8
SHA256

92f656d44d38fbc5e7964e36634bf95d18e157228624d1b38ea933633579ddc4
SHA512

f4479e41b6790cb2254cf6d0b20d10d9500f5d27ae616ce7fe88185dff28b3bfccd2a512cd0c699c24defa8f6e19992132d50007ad1e5b319731219628a29a2a
SSDEEP

12288:FE6pc7/py8+9phJ9JnvMHYRNduSzk53+XkdtqaXL+Y6vh9GMl6EJJ:K/py8SVnvM4XNkaAuYsJ

Score

10^/10

formbook njo discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

njo

Decoy

thehungryaperture.com

vincemceveety.com

thebuildingmgr.com

babaobox.com

qykrot.site

wald-pack.com

yeasuc.com

toplevelsealcoating.net

seebeec.com

williamsburgcelebrates.com

bons-sites-web.com

rnlasermedspasolutions.com

tercerintento.com

oliloudalmatians.com

pj-kingdom.com

karen-elmir.com

wellhealthfamilymed.com

learningjourneytx.com

calmyourmidnight.com

nextuptechs.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
behavioral2/memory/2488-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5048 set thread context of 2488	5048	3dad99752800d2418553870b6e932c66.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	3dad99752800d2418553870b6e932c66.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5048	3dad99752800d2418553870b6e932c66.exe
2488	3dad99752800d2418553870b6e932c66.exe
2488	3dad99752800d2418553870b6e932c66.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5048	3dad99752800d2418553870b6e932c66.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 2488	5048	3dad99752800d2418553870b6e932c66.exe	91
PID 5048 wrote to memory of 2488	5048	3dad99752800d2418553870b6e932c66.exe	91
PID 5048 wrote to memory of 2488	5048	3dad99752800d2418553870b6e932c66.exe	91
PID 5048 wrote to memory of 2488	5048	3dad99752800d2418553870b6e932c66.exe	91
PID 5048 wrote to memory of 2488	5048	3dad99752800d2418553870b6e932c66.exe	91
PID 5048 wrote to memory of 2488	5048	3dad99752800d2418553870b6e932c66.exe	91

C:\Users\Admin\AppData\Local\Temp\3dad99752800d2418553870b6e932c66.exe
"C:\Users\Admin\AppData\Local\Temp\3dad99752800d2418553870b6e932c66.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Users\Admin\AppData\Local\Temp\3dad99752800d2418553870b6e932c66.exe
  "C:\Users\Admin\AppData\Local\Temp\3dad99752800d2418553870b6e932c66.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2488

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/2488-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2488-15-0x00000000014A0000-0x00000000017EA000-memory.dmp

Filesize
3.3MB

Download
memory/5048-6-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/5048-3-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download
memory/5048-4-0x00000000050A0000-0x0000000005132000-memory.dmp

Filesize
584KB

Download
memory/5048-5-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/5048-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/5048-7-0x0000000005300000-0x0000000005356000-memory.dmp

Filesize
344KB

Download
memory/5048-8-0x0000000005250000-0x000000000525E000-memory.dmp

Filesize
56KB

Download
memory/5048-9-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/5048-10-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/5048-11-0x00000000055C0000-0x000000000561A000-memory.dmp

Filesize
360KB

Download
memory/5048-2-0x0000000005000000-0x000000000509C000-memory.dmp

Filesize
624KB

Download
memory/5048-14-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/5048-1-0x0000000000530000-0x00000000005FC000-memory.dmp

Filesize
816KB

Download