formbook | 3932e58c33e7bd1c39c4fe313f0e52c6d42fc5f03de74513b2e11dcb3e0442b5

Analysis

max time kernel
120s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 01:46

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General

Target

2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe
Size

918KB
MD5

2d9132f8cb67c74e17b5c9a97d97d98b
SHA1

e20c86b162d7a612b9b5b741c65bdd98261c86ef
SHA256

2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272
SHA512

16193ecf9a1856e3b9b806037078f002ed7323ce90497cd0ed40c4194e6f0f69d4c956c32433da4412ea725d2c30b6248e618d988be63af40a98b552f2915ffd
SSDEEP

12288:r0mTFhv5VQZ9WsgF91raePmsr55MGBoIaETRavD7R5GsYG2ucIBIjuei:r0m/x4xgF9hmDGdGSGVLff

Score

10^/10

formbook na10 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na10

Decoy

tetheus.com

ventlikeyoumeanit.com

tintbliss.com

rinabet357.com

sapphireboutiqueusa.com

abc8bet6.com

xzcn3i7jb13cqei.buzz

pinktravelsnagpur.com

bt365038.com

rtpbossujang303.shop

osthirmaker.com

thelonelyteacup.com

rlc2019.com

couverture-charpente.com

productivagc.com

defendercarcare.com

abcentixdigital.com

petco.ltd

oypivh.top

micro.guru

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/4604-13-0x0000000000970000-0x000000000099F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3984 set thread context of 4604	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2616	4604	WerFault.exe	87

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	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe
3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 4604	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe	87
PID 3984 wrote to memory of 4604	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe	87
PID 3984 wrote to memory of 4604	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe	87
PID 3984 wrote to memory of 4604	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe	87
PID 3984 wrote to memory of 4604	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe	87
PID 3984 wrote to memory of 4604	3984	2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe	87

C:\Users\Admin\AppData\Local\Temp\2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe
"C:\Users\Admin\AppData\Local\Temp\2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Users\Admin\AppData\Local\Temp\2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe
  "C:\Users\Admin\AppData\Local\Temp\2aa8ec244fd85957972c5dc5e2d05f8485e7b4becd16d68e4e0dfe5594ce7272.exe"
  2⤵
  PID:4604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 184
    3⤵
    - Program crash
    PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4604 -ip 4604
1⤵
PID:3852

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/3984-8-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3984-9-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/3984-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/3984-3-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/3984-4-0x00000000057D0000-0x000000000586C000-memory.dmp

Filesize
624KB

Download
memory/3984-5-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3984-1-0x00000000003B0000-0x000000000049C000-memory.dmp

Filesize
944KB

Download
memory/3984-6-0x0000000005970000-0x00000000059B4000-memory.dmp

Filesize
272KB

Download
memory/3984-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/3984-7-0x0000000005C70000-0x0000000005C7A000-memory.dmp

Filesize
40KB

Download
memory/3984-10-0x0000000009920000-0x0000000009926000-memory.dmp

Filesize
24KB

Download
memory/3984-11-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/3984-12-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3984-17-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4604-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4604-13-0x0000000000970000-0x000000000099F000-memory.dmp

Filesize
188KB

Download