formbook | 379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c

General

Target

379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
Size

666KB
MD5

ac7ebca21c229e33095e4bfec852cd2b
SHA1

01b26661a920b866643e418e16edfc2ae5fb0f53
SHA256

379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c
SHA512

42fb0cd284759d0d0eba1061550332838ac7a22625fb9613f004c7f3e2e509e1d9417d6fba3a4889853107cbbb2919e0360684ea4b20e79c19f75beda120ca7a
SSDEEP

12288:VopMDjZ0KUYcYH6KXVwDTkxA7ReH6G4331B92Z0+0QOlLkw3EmE:VYMB0UGQVwDMA1eH6G4nLQIQOhNvE

Score

10^/10

formbook hy08 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy08

Decoy

weazc.top

servoceimmpajhnuz.info

vqemkdhi.xyz

wergol.com

spa-mk.com

rtpsid88.life

tatetits.fun

raidsa.xyz

suojiansuode.net

jointhejunction.com

wudai.net

typeboot.shop

mksport-app.com

miocloud.ovh

taipan77pandan.com

wwwhg58a.com

khuahamiksai31.pro

carpedatumllc.net

safebinders.com

krx21.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3040-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3040-15-0x0000000001A30000-0x0000000001D7A000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 508 set thread context of 3040	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.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	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
3040	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
3040	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 508 wrote to memory of 1116	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	85
PID 508 wrote to memory of 1116	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	85
PID 508 wrote to memory of 1116	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	85
PID 508 wrote to memory of 2536	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	86
PID 508 wrote to memory of 2536	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	86
PID 508 wrote to memory of 2536	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	86
PID 508 wrote to memory of 3040	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	87
PID 508 wrote to memory of 3040	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	87
PID 508 wrote to memory of 3040	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	87
PID 508 wrote to memory of 3040	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	87
PID 508 wrote to memory of 3040	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	87
PID 508 wrote to memory of 3040	508	379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe	87

C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
"C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:508
- C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
  "C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe"
  2⤵
  PID:1116
- C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
  "C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe"
  2⤵
  PID:2536
- C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe
  "C:\Users\Admin\AppData\Local\Temp\379fe2230917718e3b124ad2950e9e25a1963e79a0c830bb5022bcc319aab25c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3040

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/508-6-0x0000000006570000-0x0000000006588000-memory.dmp

Filesize
96KB

Download
memory/508-8-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/508-2-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/508-3-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/508-4-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/508-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

Filesize
40KB

Download
memory/508-1-0x0000000000480000-0x000000000052C000-memory.dmp

Filesize
688KB

Download
memory/508-7-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/508-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/508-9-0x00000000060E0000-0x0000000006156000-memory.dmp

Filesize
472KB

Download
memory/508-10-0x0000000006340000-0x00000000063DC000-memory.dmp

Filesize
624KB

Download
memory/508-13-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3040-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3040-14-0x0000000001A30000-0x0000000001D7A000-memory.dmp

Filesize
3.3MB

Download
memory/3040-15-0x0000000001A30000-0x0000000001D7A000-memory.dmp

Filesize
3.3MB

Download

Analysis

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