formbook | 96f54c33d2a1c8b2626cf4389d06e90989618ac26d5d72bc5d04c1f45bb37dcf

General

Target

Drawings HQ30-DM140.exe
Size

831KB
MD5

948ea18679d4e41402aac119207292d4
SHA1

2bce94385943922147c83ecff9885a90be7512f3
SHA256

4dee0eaa7eac6aad2c4a7814d96babd45c25c43c43ab226c403830a5e8470b01
SHA512

bb468e0dffa0ac9ca36fd609ba9a9ffab322c86f9dd69ff11b697c93f0a796b1bb6453a1312750017295429932b211de573b39bdc2a3d4c7f1169b5d690551a3
SSDEEP

12288:OhHexvpe47IfpKzAKt5/sWFh5BhvnYjp5wylGl:hNpNkxKzzT/dh5BhvnYjp5wylG

Score

10^/10

formbook wk31 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

wk31

Decoy

soroban.xyz

irfirstaid.com

irsaycollection.com

thebardownstairsasheville.com

facebookmeta.business

paypalsupportclient.com

metaversusfacebook.com

litakparuikamazon.com

rivianmotorcompany.com

metaversepro.us

ikramfamilypractice.com

bitcoinfuturesetfs.online

5donline.com

rosemount.us

nicole-steinfort.com

performanceautorepairsj.com

scrabblecheats.us

kjg67amazon.com

formerlyknownasfacebook.com

youtubeandgooglepay.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2692-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2692-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2692-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3312-28-0x0000000000560000-0x000000000058F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4900 set thread context of 2692	4900	Drawings HQ30-DM140.exe	101
PID 2692 set thread context of 3540	2692	Drawings HQ30-DM140.exe	56
PID 2692 set thread context of 3540	2692	Drawings HQ30-DM140.exe	56
PID 3312 set thread context of 3540	3312	raserver.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	Drawings HQ30-DM140.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe
3312	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
2692	Drawings HQ30-DM140.exe
3312	raserver.exe
3312	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	Drawings HQ30-DM140.exe
Token: SeDebugPrivilege	3312	raserver.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 2692	4900	Drawings HQ30-DM140.exe	101
PID 4900 wrote to memory of 2692	4900	Drawings HQ30-DM140.exe	101
PID 4900 wrote to memory of 2692	4900	Drawings HQ30-DM140.exe	101
PID 4900 wrote to memory of 2692	4900	Drawings HQ30-DM140.exe	101
PID 4900 wrote to memory of 2692	4900	Drawings HQ30-DM140.exe	101
PID 4900 wrote to memory of 2692	4900	Drawings HQ30-DM140.exe	101
PID 3540 wrote to memory of 3312	3540	Explorer.EXE	102
PID 3540 wrote to memory of 3312	3540	Explorer.EXE	102
PID 3540 wrote to memory of 3312	3540	Explorer.EXE	102
PID 3312 wrote to memory of 1892	3312	raserver.exe	103
PID 3312 wrote to memory of 1892	3312	raserver.exe	103
PID 3312 wrote to memory of 1892	3312	raserver.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Users\Admin\AppData\Local\Temp\Drawings HQ30-DM140.exe
  "C:\Users\Admin\AppData\Local\Temp\Drawings HQ30-DM140.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Users\Admin\AppData\Local\Temp\Drawings HQ30-DM140.exe
    "C:\Users\Admin\AppData\Local\Temp\Drawings HQ30-DM140.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2692
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3312
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Drawings HQ30-DM140.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1892

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

Loading Replay Monitor...

Downloads

memory/2692-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2692-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2692-22-0x00000000014F0000-0x0000000001505000-memory.dmp

Filesize
84KB

Download
memory/2692-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2692-18-0x0000000001490000-0x00000000014A5000-memory.dmp

Filesize
84KB

Download
memory/2692-15-0x0000000001540000-0x000000000188A000-memory.dmp

Filesize
3.3MB

Download
memory/3312-28-0x0000000000560000-0x000000000058F000-memory.dmp

Filesize
188KB

Download
memory/3312-27-0x0000000000170000-0x000000000018F000-memory.dmp

Filesize
124KB

Download
memory/3312-25-0x0000000000170000-0x000000000018F000-memory.dmp

Filesize
124KB

Download
memory/3540-24-0x0000000002D20000-0x0000000002E94000-memory.dmp

Filesize
1.5MB

Download
memory/3540-19-0x0000000002D20000-0x0000000002E94000-memory.dmp

Filesize
1.5MB

Download
memory/3540-35-0x0000000008960000-0x0000000008ACA000-memory.dmp

Filesize
1.4MB

Download
memory/3540-34-0x0000000008960000-0x0000000008ACA000-memory.dmp

Filesize
1.4MB

Download
memory/3540-32-0x0000000008960000-0x0000000008ACA000-memory.dmp

Filesize
1.4MB

Download
memory/3540-29-0x0000000004590000-0x0000000004650000-memory.dmp

Filesize
768KB

Download
memory/3540-23-0x0000000004590000-0x0000000004650000-memory.dmp

Filesize
768KB

Download
memory/4900-8-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4900-6-0x0000000007390000-0x000000000776A000-memory.dmp

Filesize
3.9MB

Download
memory/4900-7-0x0000000005D80000-0x0000000005D8C000-memory.dmp

Filesize
48KB

Download
memory/4900-5-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4900-4-0x00000000057B0000-0x00000000057BA000-memory.dmp

Filesize
40KB

Download
memory/4900-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4900-3-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/4900-2-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/4900-1-0x0000000000E50000-0x0000000000F26000-memory.dmp

Filesize
856KB

Download
memory/4900-10-0x00000000070E0000-0x000000000717C000-memory.dmp

Filesize
624KB

Download
memory/4900-14-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4900-9-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4900-11-0x0000000007180000-0x00000000071D4000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing