formbook | c1be767404a3d71717a54b01ebfa91ebff578dad8dd518a1a49012bcf012738e

Resubmissions

27/07/2024, 17:08

240727-vnrrpszapr 10

24/07/2024, 13:55

240724-q8e67aygrr 10

Analysis

max time kernel
146s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 17:08

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General

Target

55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe
Size

1.0MB
MD5

83759232874676063ca07f71a214ba6d
SHA1

662fc90d52e4d9db2ca89b4eccbec7948a25f9f3
SHA256

55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078
SHA512

57eae1f72dcf701fea500bf01fc5bd908e93143d5356a3061c4f51e28d554507eff7b190211caa96e9a5a93d34ca612a0a52452e9aaeaaa01e8b45894e9e610c
SSDEEP

24576:BAHnh+eWsN3skA4RV1Hom2KXMmHabbr6qd0SinFd5:Yh+ZkldoPK8YabfDd0V

Score

10^/10

formbook ty31 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ty31

Decoy

jejakunik.com

inb319.com

jifsjn.buzz

gkyukon.site

43443.cfd

cogil69id.com

oeaog.com

lpgatm.com

mymarketsales.com

tomclk.icu

404417.online

nysconstruction.com

ourwisequote.com

ahsanadvisory.com

ottawaherps.com

forevermust.com

apartments-for-rent-47679.bond

kdasjijaksdd.icu

buthaynah.com

manggungjayakanopi.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral27/memory/2240-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral27/memory/2240-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral27/memory/2240-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral27/memory/2652-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 2240	2748	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe	30
PID 2240 set thread context of 1208	2240	svchost.exe	21
PID 2240 set thread context of 1208	2240	svchost.exe	21
PID 2652 set thread context of 1208	2652	wlanext.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	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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 30 IoCs

pid	Process
2240	svchost.exe
2240	svchost.exe
2240	svchost.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe
2652	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2748	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe
2240	svchost.exe
2240	svchost.exe
2240	svchost.exe
2240	svchost.exe
2652	wlanext.exe
2652	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	svchost.exe
Token: SeDebugPrivilege	2652	wlanext.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2240	2748	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe	30
PID 2748 wrote to memory of 2240	2748	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe	30
PID 2748 wrote to memory of 2240	2748	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe	30
PID 2748 wrote to memory of 2240	2748	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe	30
PID 2748 wrote to memory of 2240	2748	55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe	30
PID 2240 wrote to memory of 2652	2240	svchost.exe	32
PID 2240 wrote to memory of 2652	2240	svchost.exe	32
PID 2240 wrote to memory of 2652	2240	svchost.exe	32
PID 2240 wrote to memory of 2652	2240	svchost.exe	32
PID 2652 wrote to memory of 2544	2652	wlanext.exe	33
PID 2652 wrote to memory of 2544	2652	wlanext.exe	33
PID 2652 wrote to memory of 2544	2652	wlanext.exe	33
PID 2652 wrote to memory of 2544	2652	wlanext.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe
  "C:\Users\Admin\AppData\Local\Temp\55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\55911205edcecf1a4337052e070334ad0dfb5b651cb980122a963b811aeda078.exe"
    3⤵
    - 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:2240
  - - C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      4⤵
      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:2652
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2544
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2568

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

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Downloads

memory/1208-18-0x00000000077B0000-0x00000000078F5000-memory.dmp

Filesize
1.3MB

Download
memory/1208-26-0x0000000006730000-0x0000000006848000-memory.dmp

Filesize
1.1MB

Download
memory/1208-16-0x00000000077B0000-0x00000000078F5000-memory.dmp

Filesize
1.3MB

Download
memory/1208-21-0x0000000006730000-0x0000000006848000-memory.dmp

Filesize
1.1MB

Download
memory/2240-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-13-0x00000000006F0000-0x00000000009F3000-memory.dmp

Filesize
3.0MB

Download
memory/2240-14-0x00000000001F0000-0x0000000000204000-memory.dmp

Filesize
80KB

Download
memory/2240-20-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/2240-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2652-23-0x0000000000DF0000-0x0000000000E06000-memory.dmp

Filesize
88KB

Download
memory/2652-22-0x0000000000DF0000-0x0000000000E06000-memory.dmp

Filesize
88KB

Download
memory/2652-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2748-10-0x0000000000110000-0x0000000000114000-memory.dmp

Filesize
16KB

Download