formbook | 1ebcadef0f2790a5c28cc8d6100007eb6a82a0cf7fc582e7595fa9a3407d3049

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 17:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/2g6ght2plrugud.dll
Size

5KB
MD5

64ade443342d3aa3790c2846abf93959
SHA1

d6668f6881d40dc3dc3d1f627f2721e1d333e698
SHA256

ea1deb95fa6614524006ee3260957aef27ebd563f609dde680cace5f2ea09e45
SHA512

2fdce6c768ded710d6d011be5317b184a09e10058145bdff545e83df63f5e0f46db4f679161174397b37d0fb2f43abe7275405845742e4a73bc6ef995edf4845
SSDEEP

48:aiVuJ3n1ASkT3rNDZbitP8XgRYB0K/PbKq1nh/SS72+DtMYquSzieLURuqS:/43n1ASkfNDZ+tBYB0A/2otsJzax

Score

10^/10

formbook dxe discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dxe

Decoy

sardarfarm.com

959tremont.com

privat-livecam.net

ansel-homebakery.com

joysupermarket.com

peninsulamatchmakers.net

northsytyle.com

radioconexaoubermusic.com

relocatingrealtor.com

desyrnan.com

onlinehoortoestel.online

enpointe.online

rvvikings.com

paulpoirier.com

shitarpa.net

kerneis.net

rokitreach.com

essentiallygaia.com

prestiged.net

fuerzaagavera.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/1748-1-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral3/memory/1748-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral3/memory/1748-9-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 1748	2364	rundll32.exe	31
PID 1748 set thread context of 1180	1748	rundll32.exe	21
PID 1748 set thread context of 1180	1748	rundll32.exe	21
PID 1872 set thread context of 1180	1872	netsh.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2364	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1872	netsh.exe
1872	netsh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	rundll32.exe
Token: SeDebugPrivilege	1872	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 2364 wrote to memory of 1748	2364	rundll32.exe	31
PID 1180 wrote to memory of 1872	1180	Explorer.EXE	32
PID 1180 wrote to memory of 1872	1180	Explorer.EXE	32
PID 1180 wrote to memory of 1872	1180	Explorer.EXE	32
PID 1180 wrote to memory of 1872	1180	Explorer.EXE	32
PID 1872 wrote to memory of 2284	1872	netsh.exe	33
PID 1872 wrote to memory of 2284	1872	netsh.exe	33
PID 1872 wrote to memory of 2284	1872	netsh.exe	33
PID 1872 wrote to memory of 2284	1872	netsh.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\2g6ght2plrugud.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\2g6ght2plrugud.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2364
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\2g6ght2plrugud.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1748
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:1872
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1180-7-0x00000000076B0000-0x0000000007813000-memory.dmp

Filesize
1.4MB

Download
memory/1180-15-0x0000000007B20000-0x0000000007C5A000-memory.dmp

Filesize
1.2MB

Download
memory/1180-12-0x0000000007B20000-0x0000000007C5A000-memory.dmp

Filesize
1.2MB

Download
memory/1180-6-0x0000000003210000-0x0000000003310000-memory.dmp

Filesize
1024KB

Download
memory/1180-11-0x00000000076B0000-0x0000000007813000-memory.dmp

Filesize
1.4MB

Download
memory/1748-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1748-5-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/1748-2-0x0000000002270000-0x0000000002573000-memory.dmp

Filesize
3.0MB

Download
memory/1748-10-0x00000000002B0000-0x00000000002C4000-memory.dmp

Filesize
80KB

Download
memory/1748-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1748-1-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1872-13-0x00000000014F0000-0x000000000150B000-memory.dmp

Filesize
108KB

Download
memory/1872-14-0x00000000014F0000-0x000000000150B000-memory.dmp

Filesize
108KB

Download
memory/2364-0-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download