formbook | 9572bb0d1762099aebf68dda5750923bb31e8477f20bd132bbf8a7952ac0d2f0

Analysis

max time kernel
146s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 02:11

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General

Target

www.exe
Size

1.0MB
MD5

b6fded66a1bf362c4ef98883f04b53ac
SHA1

aaa5e105742754c5b250276e916e13ea34613560
SHA256

3218d9e3413de3fc262447ccddd5f9f458c82abdb96943e830dfc3ebeb1a1de5
SHA512

17ce4adce92925b137cf4e3cfdf8b43c705cdf949a139ad2de77fe2579debcf72c0b2d3ab43e58593d66e0167e3e02d9164953c51041006df9a2560b6e297108
SSDEEP

24576:lexvf1XsiJ6Y1GxCNEaDfTeLfbCFUGDBOkv95m27R7w:svf18K1ZDbefCuGDBOoXR7

Score

10^/10

formbook e62s discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4228 created 3488	4228	www.exe	56

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3900-1093-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3900-1097-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gaeqsfjr = "C:\\Users\\Admin\\AppData\\Roaming\\Gaeqsfjr.exe"	www.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4228 set thread context of 3900	4228	www.exe	83
PID 3900 set thread context of 3488	3900	InstallUtil.exe	56
PID 3740 set thread context of 3488	3740	wlanext.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	www.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4228	www.exe
4228	www.exe
4228	www.exe
4228	www.exe
3900	InstallUtil.exe
3900	InstallUtil.exe
3900	InstallUtil.exe
3900	InstallUtil.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe
3740	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3900	InstallUtil.exe
3900	InstallUtil.exe
3900	InstallUtil.exe
3740	wlanext.exe
3740	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4228	www.exe
Token: SeDebugPrivilege	4228	www.exe
Token: SeDebugPrivilege	3900	InstallUtil.exe
Token: SeDebugPrivilege	3740	wlanext.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 3900	4228	www.exe	83
PID 4228 wrote to memory of 3900	4228	www.exe	83
PID 4228 wrote to memory of 3900	4228	www.exe	83
PID 4228 wrote to memory of 3900	4228	www.exe	83
PID 4228 wrote to memory of 3900	4228	www.exe	83
PID 4228 wrote to memory of 3900	4228	www.exe	83
PID 3488 wrote to memory of 3740	3488	Explorer.EXE	84
PID 3488 wrote to memory of 3740	3488	Explorer.EXE	84
PID 3488 wrote to memory of 3740	3488	Explorer.EXE	84
PID 3740 wrote to memory of 4068	3740	wlanext.exe	85
PID 3740 wrote to memory of 4068	3740	wlanext.exe	85
PID 3740 wrote to memory of 4068	3740	wlanext.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\www.exe
  "C:\Users\Admin\AppData\Local\Temp\www.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:3900
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:3740
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/3488-1099-0x0000000008880000-0x0000000008979000-memory.dmp

Filesize
996KB

Download
memory/3488-1111-0x0000000008BF0000-0x0000000008D05000-memory.dmp

Filesize
1.1MB

Download
memory/3488-1108-0x0000000008BF0000-0x0000000008D05000-memory.dmp

Filesize
1.1MB

Download
memory/3488-1105-0x0000000008880000-0x0000000008979000-memory.dmp

Filesize
996KB

Download
memory/3740-1103-0x0000000000DD0000-0x0000000000DE7000-memory.dmp

Filesize
92KB

Download
memory/3900-1093-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3900-1095-0x0000000001380000-0x00000000016CA000-memory.dmp

Filesize
3.3MB

Download
memory/3900-1098-0x0000000001330000-0x0000000001345000-memory.dmp

Filesize
84KB

Download
memory/3900-1097-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4228-30-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-21-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-67-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-65-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-63-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-61-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-57-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-55-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-53-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-51-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-49-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-48-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4228-46-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-42-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-40-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-38-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-36-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-34-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-32-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-26-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-28-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-24-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-22-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-59-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-18-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-16-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-14-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-10-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-8-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-6-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-4-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-3-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-12-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-1078-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4228-1080-0x0000000005D20000-0x0000000005D6C000-memory.dmp

Filesize
304KB

Download
memory/4228-1079-0x0000000005210000-0x0000000005288000-memory.dmp

Filesize
480KB

Download
memory/4228-1081-0x0000000005E60000-0x0000000005EF2000-memory.dmp

Filesize
584KB

Download
memory/4228-1082-0x0000000005F00000-0x0000000005F66000-memory.dmp

Filesize
408KB

Download
memory/4228-1086-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4228-1087-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4228-44-0x0000000005580000-0x0000000005678000-memory.dmp

Filesize
992KB

Download
memory/4228-2-0x0000000005580000-0x000000000567E000-memory.dmp

Filesize
1016KB

Download
memory/4228-1-0x00000000007D0000-0x00000000008D6000-memory.dmp

Filesize
1.0MB

Download
memory/4228-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/4228-1088-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4228-1089-0x00000000067D0000-0x0000000006D74000-memory.dmp

Filesize
5.6MB

Download
memory/4228-1090-0x0000000006220000-0x0000000006274000-memory.dmp

Filesize
336KB

Download
memory/4228-1094-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download