formbook | a4a68d9db4bda6fb6e4929d01f242a268813644afcd3f8f1c704ca5834a239fc

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 09:41

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General

Target

Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe
Size

1.1MB
MD5

a4eec5bb811d5b3c6b2c1feddab718aa
SHA1

5ece2b4954d76829143ebe17061f2c0cbae452bc
SHA256

68f825f78bc851d6f7f216c2d056b9e0e80702ffbfd02da528fd0b948357ba2f
SHA512

7f38a3a6203f28b071efbb6f96b36b1b7926aec1257f82bacac0782c6f079dfad937dd67c22c0725a48f3beb1ab5c51783f8faa8473a400bdfe2599bdb91c853
SSDEEP

24576:ytb20pkaCqT5TBWgNQ7aeJc6a4PYHqn+6A:/Vg5tQ7ae+6a4gr5

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2620-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2620-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2620-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3324-21-0x0000000000920000-0x000000000094F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4196 set thread context of 2620	4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe	83
PID 2620 set thread context of 3528	2620	svchost.exe	56
PID 2620 set thread context of 3528	2620	svchost.exe	56
PID 3324 set thread context of 3528	3324	wlanext.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	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.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 62 IoCs

pid	Process
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe
3324	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe
3324	wlanext.exe
3324	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	svchost.exe
Token: SeDebugPrivilege	3324	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe
4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe
4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 2620	4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe	83
PID 4196 wrote to memory of 2620	4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe	83
PID 4196 wrote to memory of 2620	4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe	83
PID 4196 wrote to memory of 2620	4196	Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe	83
PID 3528 wrote to memory of 3324	3528	Explorer.EXE	88
PID 3528 wrote to memory of 3324	3528	Explorer.EXE	88
PID 3528 wrote to memory of 3324	3528	Explorer.EXE	88
PID 3324 wrote to memory of 1300	3324	wlanext.exe	89
PID 3324 wrote to memory of 1300	3324	wlanext.exe	89
PID 3324 wrote to memory of 1300	3324	wlanext.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe
  "C:\Users\Admin\AppData\Local\Temp\Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.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:4196
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Naskenujte kópiu faktúry 28. novembra 24 11·42·25 (1).docx.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2620
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2472
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2116
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:536
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:3324
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1300

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/2620-15-0x0000000003600000-0x0000000003614000-memory.dmp

Filesize
80KB

Download
memory/2620-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2620-8-0x0000000001800000-0x0000000001B4A000-memory.dmp

Filesize
3.3MB

Download
memory/2620-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2620-11-0x0000000001D00000-0x0000000001D14000-memory.dmp

Filesize
80KB

Download
memory/2620-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3324-21-0x0000000000920000-0x000000000094F000-memory.dmp

Filesize
188KB

Download
memory/3324-20-0x0000000000330000-0x0000000000347000-memory.dmp

Filesize
92KB

Download
memory/3324-18-0x0000000000330000-0x0000000000347000-memory.dmp

Filesize
92KB

Download
memory/3528-12-0x00000000083B0000-0x000000000853C000-memory.dmp

Filesize
1.5MB

Download
memory/3528-16-0x0000000003070000-0x000000000314C000-memory.dmp

Filesize
880KB

Download
memory/3528-17-0x00000000083B0000-0x000000000853C000-memory.dmp

Filesize
1.5MB

Download
memory/3528-22-0x0000000003070000-0x000000000314C000-memory.dmp

Filesize
880KB

Download
memory/3528-25-0x0000000008900000-0x00000000089AB000-memory.dmp

Filesize
684KB

Download
memory/3528-26-0x0000000008900000-0x00000000089AB000-memory.dmp

Filesize
684KB

Download
memory/3528-28-0x0000000008900000-0x00000000089AB000-memory.dmp

Filesize
684KB

Download
memory/4196-6-0x0000000000E90000-0x0000000001290000-memory.dmp

Filesize
4.0MB

Download