formbook | eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 03:53

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General

Target

eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe
Size

1.1MB
MD5

6ece88990771ca60b772a11953822e55
SHA1

434c3df757fac96ad2ced1badfb8c24c20f0daa5
SHA256

eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4
SHA512

aa3f2176393dd6a776a400c456ee5a0f5ec73c66f4fb198a46dee0c0ab266a5ce144a62cfffb3a4bf63699e1b3808d6108e13ebfc0e02f124cf4b5436f5963b8
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLAOCyFC6vPuYXATOmccFuo4fbep2R:ffmMv6Ckr7Mny5QLAhyFuh/4fbeK

Score

10^/10

formbook e62s discovery 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
Formbook family
formbook

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1136-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1136-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1136-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1940-17-0x0000000000500000-0x000000000052F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exesvchost.exewlanext.exe

description	pid	Process	procid_target
PID 5020 set thread context of 1136	5020	eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe	87
PID 1136 set thread context of 3524	1136	svchost.exe	56
PID 1136 set thread context of 3524	1136	svchost.exe	56
PID 1940 set thread context of 3524	1940	wlanext.exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Processes:

eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exewlanext.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exewlanext.exe

pid	Process
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe
1940	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exesvchost.exewlanext.exe

pid	Process
5020	eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1940	wlanext.exe
1940	wlanext.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

svchost.exewlanext.exeExplorer.EXE

description	pid	Process
Token: SeDebugPrivilege	1136	svchost.exe
Token: SeDebugPrivilege	1940	wlanext.exe
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exeExplorer.EXEwlanext.exe

description	pid	Process	procid_target
PID 5020 wrote to memory of 1136	5020	eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe	87
PID 5020 wrote to memory of 1136	5020	eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe	87
PID 5020 wrote to memory of 1136	5020	eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe	87
PID 5020 wrote to memory of 1136	5020	eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe	87
PID 3524 wrote to memory of 1940	3524	Explorer.EXE	94
PID 3524 wrote to memory of 1940	3524	Explorer.EXE	94
PID 3524 wrote to memory of 1940	3524	Explorer.EXE	94
PID 1940 wrote to memory of 4008	1940	wlanext.exe	99
PID 1940 wrote to memory of 4008	1940	wlanext.exe	99
PID 1940 wrote to memory of 4008	1940	wlanext.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe
  "C:\Users\Admin\AppData\Local\Temp\eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:5020
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\eb11dd3859e31dba5c35e75ed1f0d84284784a9b2e0c4e58fc6617ae60b448d4.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1136
- 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:1940
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1136-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1136-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1136-7-0x00000000016F0000-0x0000000001705000-memory.dmp

Filesize
84KB

Download
memory/1136-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1136-11-0x0000000003010000-0x0000000003025000-memory.dmp

Filesize
84KB

Download
memory/1136-4-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/1940-17-0x0000000000500000-0x000000000052F000-memory.dmp

Filesize
188KB

Download
memory/1940-16-0x0000000000D90000-0x0000000000DA7000-memory.dmp

Filesize
92KB

Download
memory/1940-14-0x0000000000D90000-0x0000000000DA7000-memory.dmp

Filesize
92KB

Download
memory/3524-8-0x0000000004350000-0x000000000449F000-memory.dmp

Filesize
1.3MB

Download
memory/3524-12-0x00000000086B0000-0x00000000087C0000-memory.dmp

Filesize
1.1MB

Download
memory/3524-13-0x0000000004350000-0x000000000449F000-memory.dmp

Filesize
1.3MB

Download
memory/3524-18-0x00000000086B0000-0x00000000087C0000-memory.dmp

Filesize
1.1MB

Download
memory/3524-21-0x0000000008B70000-0x0000000008C30000-memory.dmp

Filesize
768KB

Download
memory/3524-23-0x0000000008B70000-0x0000000008C30000-memory.dmp

Filesize
768KB

Download
memory/3524-24-0x0000000008B70000-0x0000000008C30000-memory.dmp

Filesize
768KB

Download
memory/5020-2-0x00000000042B0000-0x00000000046B0000-memory.dmp

Filesize
4.0MB

Download