formbook | a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89

General

Target

a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
Size

638KB
MD5

b5c5bfa486e42a1f753a993f5fd4c850
SHA1

a6e3226e45c448c599bcc694a81ff9dc5d7b05b3
SHA256

a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89
SHA512

fcae4141137f6ccb4210564a16d88c6ffa46addb6d83e435362141219374d7c22b3af2b8f6c9ceb0cbc8568348cb2cdaa1a3af40ab09188d6bb53b5de0338f33
SSDEEP

12288:BhhwoIc0qIL6oPA6bBOcMLyNjYzRIvcjZoUMNA7MCoORaEZ/zy4KBX:BbwoIc0qIk6bBOJyN4pZNKA4sbdc

Score

10^/10

formbook v15n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v15n

Decoy

dyahwoahjuk.store

toysstorm.com

y7rak9.com

2222233p6.shop

betbox2341.com

visualvarta.com

nijssenadventures.com

main-12.site

leng4d.net

kurainu.xyz

hatesa.xyz

culturamosaica.com

supermallify.store

gigboard.app

rxforgive.com

ameliestones.com

kapalwin.live

tier.credit

sobol-ksa.com

faredeal.online

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/4492-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4748 set thread context of 4492	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	96

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	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
4492	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
4492	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 924	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	94
PID 4748 wrote to memory of 924	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	94
PID 4748 wrote to memory of 924	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	94
PID 4748 wrote to memory of 2088	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	95
PID 4748 wrote to memory of 2088	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	95
PID 4748 wrote to memory of 2088	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	95
PID 4748 wrote to memory of 4492	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	96
PID 4748 wrote to memory of 4492	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	96
PID 4748 wrote to memory of 4492	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	96
PID 4748 wrote to memory of 4492	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	96
PID 4748 wrote to memory of 4492	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	96
PID 4748 wrote to memory of 4492	4748	a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe	96

C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
"C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
  "C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe"
  2⤵
  PID:924
- C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
  "C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe"
  2⤵
  PID:2088
- C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe
  "C:\Users\Admin\AppData\Local\Temp\a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4492-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4492-16-0x0000000001330000-0x000000000167A000-memory.dmp

Filesize
3.3MB

Download
memory/4748-8-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4748-9-0x0000000005340000-0x000000000534A000-memory.dmp

Filesize
40KB

Download
memory/4748-4-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/4748-5-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4748-6-0x0000000005320000-0x0000000005334000-memory.dmp

Filesize
80KB

Download
memory/4748-7-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/4748-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/4748-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

Filesize
584KB

Download
memory/4748-10-0x0000000006000000-0x000000000600E000-memory.dmp

Filesize
56KB

Download
memory/4748-11-0x0000000006030000-0x00000000060A6000-memory.dmp

Filesize
472KB

Download
memory/4748-12-0x00000000062F0000-0x000000000638C000-memory.dmp

Filesize
624KB

Download
memory/4748-2-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/4748-15-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4748-1-0x0000000000330000-0x00000000003D6000-memory.dmp

Filesize
664KB

Download

Analysis

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