formbook | 85a80448fc8580ad79c9f70c0550f01db47cdf94cd00b59816fa587ac73c65c1

General

Target

Quotes RFQ.exe
Size

1.1MB
MD5

0eaeb84ceedfc30929ce2349fe72e50a
SHA1

0c78cc4009109c0f46c293b04c2a14f03767be43
SHA256

172e24c4d8a93d470687b7743342ac854687044cce11df7ab5d024726969a3eb
SHA512

fe8fcf88e6fa48a2be50ca0048d8cc8cc0dd78baf51ab3273cfec860ac24eff4904db5907216e162a9852202c0a57dd56b0cb0066de227e4d23dcfe7a2214fce
SSDEEP

24576:DqDEvCTbMWu7rQYlBQcBiT6rprG8aFzl3myy6aPSNAs:DTvC/MTQYxsWR7aFQyyHU

Score

10^/10

formbook k26n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k26n

Decoy

381.top

rojectcentralpro.website

hase-paaaa.buzz

strograft.info

leksandra.click

x-design-courses-68293.bond

769.top

igar.fun

aint-lab.net

aytrx.app

marthospitalus.info

rancoishollande.vote

048cupcakes.pro

mq8z.christmas

diplumbingcompany.info

umierespringbaymasterise.net

otishnaya.online

0n85.digital

nfluencerwerden.info

entalimplantsusasale.today

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
behavioral1/memory/2476-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2476-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2476-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2700-25-0x0000000000070000-0x000000000009F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 2476	3044	Quotes RFQ.exe	30
PID 2476 set thread context of 1184	2476	svchost.exe	21
PID 2476 set thread context of 1184	2476	svchost.exe	21
PID 2700 set thread context of 1184	2700	wscript.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	Quotes RFQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe
2700	wscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3044	Quotes RFQ.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2700	wscript.exe
2700	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	svchost.exe
Token: SeDebugPrivilege	2700	wscript.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
3044	Quotes RFQ.exe
3044	Quotes RFQ.exe
1184	Explorer.EXE
1184	Explorer.EXE
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3044	Quotes RFQ.exe
3044	Quotes RFQ.exe
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2476	3044	Quotes RFQ.exe	30
PID 3044 wrote to memory of 2476	3044	Quotes RFQ.exe	30
PID 3044 wrote to memory of 2476	3044	Quotes RFQ.exe	30
PID 3044 wrote to memory of 2476	3044	Quotes RFQ.exe	30
PID 3044 wrote to memory of 2476	3044	Quotes RFQ.exe	30
PID 2476 wrote to memory of 2700	2476	svchost.exe	40
PID 2476 wrote to memory of 2700	2476	svchost.exe	40
PID 2476 wrote to memory of 2700	2476	svchost.exe	40
PID 2476 wrote to memory of 2700	2476	svchost.exe	40
PID 2700 wrote to memory of 2172	2700	wscript.exe	41
PID 2700 wrote to memory of 2172	2700	wscript.exe	41
PID 2700 wrote to memory of 2172	2700	wscript.exe	41
PID 2700 wrote to memory of 2172	2700	wscript.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1184
- C:\Users\Admin\AppData\Local\Temp\Quotes RFQ.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotes RFQ.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotes RFQ.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:2476
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2696
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2740
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2756
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2760
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2788
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2804
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2744
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2708
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2176
  - - C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.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:2700
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2172

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

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Downloads

memory/1184-21-0x0000000006AA0000-0x0000000006B93000-memory.dmp

Filesize
972KB

Download
memory/1184-33-0x0000000007420000-0x000000000757E000-memory.dmp

Filesize
1.4MB

Download
memory/1184-31-0x0000000007420000-0x000000000757E000-memory.dmp

Filesize
1.4MB

Download
memory/1184-30-0x0000000007420000-0x000000000757E000-memory.dmp

Filesize
1.4MB

Download
memory/1184-26-0x0000000006AA0000-0x0000000006B93000-memory.dmp

Filesize
972KB

Download
memory/1184-16-0x0000000006C30000-0x0000000006DC9000-memory.dmp

Filesize
1.6MB

Download
memory/1184-22-0x0000000006C30000-0x0000000006DC9000-memory.dmp

Filesize
1.6MB

Download
memory/2476-14-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/2476-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2476-19-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/2476-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2476-12-0x0000000000960000-0x0000000000C63000-memory.dmp

Filesize
3.0MB

Download
memory/2476-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2700-24-0x00000000009D0000-0x00000000009F6000-memory.dmp

Filesize
152KB

Download
memory/2700-23-0x00000000009D0000-0x00000000009F6000-memory.dmp

Filesize
152KB

Download
memory/2700-25-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/3044-10-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download

Analysis

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