formbook | 14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 09:12

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General

Target

14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe
Size

1.2MB
MD5

861892f267f889518f3789ce0fcb0cf2
SHA1

876802cd29fe8b258c6bdb94d66729ab7d28be36
SHA256

14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53
SHA512

e1f8f1bb11783ed6b653b792fe9562115e2f69d54932da7086105f92cc0fc11123a1513de17de4c6e7b28bd41089450bed84d9cfbee621034dd526e262d85ccf
SSDEEP

24576:wqDEvCTbMWu7rQYlBQcBiT6rprG8aBHZ2woL3B6yr2MX7FJ:wTvC/MTQYxsWR7aBTEBpSm

Score

10^/10

formbook ot96 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ot96

Decoy

yclingbear.studio

sxuio.xyz

eon-official-bk-o57v.buzz

teel.management

rusjitu.sbs

ighwald-holdings.info

ummitfinancal.vip

layvalleyconstruction.online

pp-games-efficsecuspon.xyz

ouh.shop

mgltd.services

gshsjwhgsg.fun

eidotijolo.online

yifg.sbs

nline-gaming-ox-mx.xyz

ux-money.info

inergiputraborneo.dev

panish-classes-67016.bond

reightrading.info

23bet.xyz

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
behavioral2/memory/324-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/324-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/324-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4032-26-0x0000000000560000-0x000000000058F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 324	1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe	87
PID 324 set thread context of 3476	324	svchost.exe	56
PID 324 set thread context of 3476	324	svchost.exe	56
PID 4032 set thread context of 3476	4032	raserver.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3792	1740	WerFault.exe	83

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	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
324	svchost.exe
324	svchost.exe
324	svchost.exe
324	svchost.exe
324	svchost.exe
324	svchost.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe
4032	raserver.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe
324	svchost.exe
324	svchost.exe
324	svchost.exe
324	svchost.exe
4032	raserver.exe
4032	raserver.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	svchost.exe
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeDebugPrivilege	4032	raserver.exe
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe
1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe
3476	Explorer.EXE
3476	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe
1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 324	1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe	87
PID 1740 wrote to memory of 324	1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe	87
PID 1740 wrote to memory of 324	1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe	87
PID 1740 wrote to memory of 324	1740	14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe	87
PID 3476 wrote to memory of 4032	3476	Explorer.EXE	97
PID 3476 wrote to memory of 4032	3476	Explorer.EXE	97
PID 3476 wrote to memory of 4032	3476	Explorer.EXE	97
PID 4032 wrote to memory of 3764	4032	raserver.exe	100
PID 4032 wrote to memory of 3764	4032	raserver.exe	100
PID 4032 wrote to memory of 3764	4032	raserver.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe
  "C:\Users\Admin\AppData\Local\Temp\14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.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:1740
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\14b0d4325eaa7ad618ebbd5484993f0439ca78b36faa5d2b99faf22703a21d53.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 696
    3⤵
    - Program crash
    PID:3792
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:4032
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1740 -ip 1740
1⤵
PID:4676

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/324-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/324-13-0x0000000000F00000-0x000000000124A000-memory.dmp

Filesize
3.3MB

Download
memory/324-16-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

Filesize
84KB

Download
memory/324-20-0x0000000002BB0000-0x0000000002BC5000-memory.dmp

Filesize
84KB

Download
memory/324-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/324-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1740-11-0x00000000039B0000-0x00000000039B4000-memory.dmp

Filesize
16KB

Download
memory/3476-17-0x0000000008690000-0x0000000008827000-memory.dmp

Filesize
1.6MB

Download
memory/3476-21-0x0000000009400000-0x00000000094DB000-memory.dmp

Filesize
876KB

Download
memory/3476-22-0x0000000008690000-0x0000000008827000-memory.dmp

Filesize
1.6MB

Download
memory/3476-27-0x0000000009400000-0x00000000094DB000-memory.dmp

Filesize
876KB

Download
memory/3476-30-0x000000000A550000-0x000000000A638000-memory.dmp

Filesize
928KB

Download
memory/3476-31-0x000000000A550000-0x000000000A638000-memory.dmp

Filesize
928KB

Download
memory/3476-33-0x000000000A550000-0x000000000A638000-memory.dmp

Filesize
928KB

Download
memory/4032-25-0x0000000000D00000-0x0000000000D1F000-memory.dmp

Filesize
124KB

Download
memory/4032-23-0x0000000000D00000-0x0000000000D1F000-memory.dmp

Filesize
124KB

Download
memory/4032-26-0x0000000000560000-0x000000000058F000-memory.dmp

Filesize
188KB

Download