formbook | 818a8e96f410318b38e3433c741a108787ebe8bf4e9d766f3dd788b4cee23251

Resubmissions

06-08-2024 12:43

240806-pxy99atbrd 10

06-08-2024 12:05

240806-n9fs1aydlr 3

Analysis

max time kernel
299s
max time network
295s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 12:43

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General

Target

RFQ_10070724.exe
Size

397KB
MD5

d1e512460f6ecd4f7907b81870f9ed9a
SHA1

2e91712215b031056a7425a07fd53457a5ab4803
SHA256

541823134f27a10dd69e8824dc93101dd943730a8ea5f65d9b2ef1c6a643dcee
SHA512

7f0c838cc93b243fc45d1ef1e779022118f6504b8f65542200acadaa18f8864a753fd5f507ca2b4c82ab266ba2b32e2fa3dbcb064201e05b4b20022c8542d55e
SSDEEP

6144:n1FxxGv75a3j51E+S6bjNeksVG9tAA1tIX3NYeI8GYb5D:niD5aTEb6nzdGA1tIYeQYb5

Score

10^/10

formbook na10 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na10

Decoy

tetheus.com

ventlikeyoumeanit.com

tintbliss.com

rinabet357.com

sapphireboutiqueusa.com

abc8bet6.com

xzcn3i7jb13cqei.buzz

pinktravelsnagpur.com

bt365038.com

rtpbossujang303.shop

osthirmaker.com

thelonelyteacup.com

rlc2019.com

couverture-charpente.com

productivagc.com

defendercarcare.com

abcentixdigital.com

petco.ltd

oypivh.top

micro.guru

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/220-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/220-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4920-26-0x0000000000380000-0x00000000003AF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

flow	pid	Process
56	4920	wscript.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 220	2044	RFQ_10070724.exe	86
PID 220 set thread context of 3332	220	RFQ_10070724.exe	56
PID 4920 set thread context of 3332	4920	wscript.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	RFQ_10070724.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 64 IoCs

pid	Process
2044	RFQ_10070724.exe
2044	RFQ_10070724.exe
220	RFQ_10070724.exe
220	RFQ_10070724.exe
220	RFQ_10070724.exe
220	RFQ_10070724.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe
4920	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
220	RFQ_10070724.exe
220	RFQ_10070724.exe
220	RFQ_10070724.exe
4920	wscript.exe
4920	wscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	RFQ_10070724.exe
Token: SeDebugPrivilege	220	RFQ_10070724.exe
Token: SeDebugPrivilege	4920	wscript.exe
Token: SeShutdownPrivilege	3332	Explorer.EXE
Token: SeCreatePagefilePrivilege	3332	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3332	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 220	2044	RFQ_10070724.exe	86
PID 2044 wrote to memory of 220	2044	RFQ_10070724.exe	86
PID 2044 wrote to memory of 220	2044	RFQ_10070724.exe	86
PID 2044 wrote to memory of 220	2044	RFQ_10070724.exe	86
PID 2044 wrote to memory of 220	2044	RFQ_10070724.exe	86
PID 2044 wrote to memory of 220	2044	RFQ_10070724.exe	86
PID 3332 wrote to memory of 4920	3332	Explorer.EXE	90
PID 3332 wrote to memory of 4920	3332	Explorer.EXE	90
PID 3332 wrote to memory of 4920	3332	Explorer.EXE	90
PID 4920 wrote to memory of 3640	4920	wscript.exe	91
PID 4920 wrote to memory of 3640	4920	wscript.exe	91
PID 4920 wrote to memory of 3640	4920	wscript.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Users\Admin\AppData\Local\Temp\RFQ_10070724.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ_10070724.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Users\Admin\AppData\Local\Temp\RFQ_10070724.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ_10070724.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:220
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Blocklisted process makes network request
  - 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:4920
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\RFQ_10070724.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3640

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

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Downloads

memory/220-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/220-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/220-22-0x0000000001040000-0x0000000001054000-memory.dmp

Filesize
80KB

Download
memory/220-19-0x0000000001550000-0x000000000189A000-memory.dmp

Filesize
3.3MB

Download
memory/2044-15-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2044-5-0x0000000009900000-0x0000000009BC2000-memory.dmp

Filesize
2.8MB

Download
memory/2044-7-0x0000000008810000-0x00000000088A2000-memory.dmp

Filesize
584KB

Download
memory/2044-8-0x0000000008770000-0x000000000877A000-memory.dmp

Filesize
40KB

Download
memory/2044-9-0x0000000008800000-0x0000000008806000-memory.dmp

Filesize
24KB

Download
memory/2044-10-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2044-11-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/2044-12-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2044-13-0x0000000005BD0000-0x0000000005BEA000-memory.dmp

Filesize
104KB

Download
memory/2044-14-0x0000000005C10000-0x0000000005C16000-memory.dmp

Filesize
24KB

Download
memory/2044-0-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/2044-6-0x000000000F810000-0x000000000FDB4000-memory.dmp

Filesize
5.6MB

Download
memory/2044-18-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2044-3-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2044-1-0x00000000001D0000-0x000000000023A000-memory.dmp

Filesize
424KB

Download
memory/2044-2-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/3332-23-0x0000000002710000-0x00000000027E9000-memory.dmp

Filesize
868KB

Download
memory/3332-28-0x0000000002710000-0x00000000027E9000-memory.dmp

Filesize
868KB

Download
memory/3332-30-0x0000000008430000-0x0000000008562000-memory.dmp

Filesize
1.2MB

Download
memory/3332-31-0x0000000008430000-0x0000000008562000-memory.dmp

Filesize
1.2MB

Download
memory/3332-34-0x0000000008430000-0x0000000008562000-memory.dmp

Filesize
1.2MB

Download
memory/4920-25-0x0000000000990000-0x00000000009B7000-memory.dmp

Filesize
156KB

Download
memory/4920-24-0x0000000000990000-0x00000000009B7000-memory.dmp

Filesize
156KB

Download
memory/4920-26-0x0000000000380000-0x00000000003AF000-memory.dmp

Filesize
188KB

Download