formbook | 8aed421adbff85ab74e502c4fe7a8f3d338642e1fc1e7f3f13ce501d6c2cfcde

Analysis

max time kernel
146s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2024, 03:16

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General

Target
Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe
Size 1.4MB
Sample241108-dslb2sthrm
SHA256 e790e710f5020d3450504e9dd7001c5279ef5d9b01dd133783542ad184771517
MD5 6de30093ba5663d3446d5fa60d4b229c
SHA1 6a2c90171b273c0123aba4a8a0a89506ae05c2bb
SHA512 342c678c3b335b0e4ece024195a555fc4e570d7d50f367af331ab76ef913584460239e25825170db670ad116319eb6852c93014ed5efb643e05ce7c40ca4f6da
SSDEEP 24576:TqDEvCTbMWu7rQYlBQcBiT6rprG8amfdOEsqRONlanXbINp:TTvC/MTQYxsWR7amfvROan
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

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
iuxy.host
itaxia.dev
hisewntbqg.makeup
talianfood.store
22gxx.app
tandkite.fun
rovideoeditor.shop
ires-86307.bond
elitjatarjoukset.click
rofilern.net
uycarpaylater-02-t1e-01.today
futurum.xyz
inance15.site
alance-ton-budget.net
tpuniplay.shop
dlpli.xyz
riteon.online
rippyshaker.shop
rn10.top
linko1win.icu
ugeniolopez.art
raphic-design-degree-68380.bond
narchists.info
uy-now-pay-later-25573.bond
gzvmt.info
df.clinic
onesome.store
imba-168.net
ayef.xyz
64axyozkgl.top
dult-diapers-53774.bond
ec.baby
el-radu-easy4y.one
asik-eye-surgery-63293.bond
p-inbox4.click
0417.one
ualitystore.shop
partments-for-rent-61932.bond
enobscotlobster.online
fhou.link
eo56a3oouu.top
cweb.cyou
hoe-organizer-za.today
p806.top
2creativedesign.online

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/1380-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1380-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1380-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/920-18-0x0000000000810000-0x000000000083F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 1380	1960	Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe	86
PID 1380 set thread context of 3544	1380	svchost.exe	56
PID 1380 set thread context of 3544	1380	svchost.exe	56
PID 920 set thread context of 3544	920	wlanext.exe	56

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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1380	svchost.exe
1380	svchost.exe
1380	svchost.exe
1380	svchost.exe
1380	svchost.exe
1380	svchost.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe
920	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1960	Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe
1380	svchost.exe
1380	svchost.exe
1380	svchost.exe
1380	svchost.exe
920	wlanext.exe
920	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	svchost.exe
Token: SeDebugPrivilege	920	wlanext.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3544	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1380	1960	Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe	86
PID 1960 wrote to memory of 1380	1960	Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe	86
PID 1960 wrote to memory of 1380	1960	Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe	86
PID 1960 wrote to memory of 1380	1960	Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe	86
PID 1380 wrote to memory of 920	1380	svchost.exe	115
PID 1380 wrote to memory of 920	1380	svchost.exe	115
PID 1380 wrote to memory of 920	1380	svchost.exe	115
PID 920 wrote to memory of 3004	920	wlanext.exe	116
PID 920 wrote to memory of 3004	920	wlanext.exe	116
PID 920 wrote to memory of 3004	920	wlanext.exe	116

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
PID:3544
- C:\Users\Admin\AppData\Local\Temp\Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Kópia Žiadosti o platbu faktúry 0010 (2).xlsx.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:1380
  - - 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:920
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3004
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2164
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4292
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:232
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4732
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4652
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3736
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:624
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2968
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3500
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3876
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2004
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3712
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3932
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2812
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4656
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3332

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/920-16-0x00000000009B0000-0x00000000009C7000-memory.dmp

Download

memory/920-18-0x0000000000810000-0x000000000083F000-memory.dmp

Download

memory/920-14-0x00000000009B0000-0x00000000009C7000-memory.dmp

Download

memory/1380-10-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/1380-7-0x0000000002010000-0x0000000002024000-memory.dmp

Download

memory/1380-3-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/1380-4-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Download

memory/1380-11-0x0000000003920000-0x0000000003934000-memory.dmp

Download

memory/1380-6-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/1960-2-0x0000000000CD0000-0x00000000010D0000-memory.dmp

Download

memory/3544-13-0x0000000008FB0000-0x0000000009149000-memory.dmp

Download

memory/3544-12-0x00000000079C0000-0x0000000007AB1000-memory.dmp

Download

memory/3544-17-0x00000000079C0000-0x0000000007AB1000-memory.dmp

Download

memory/3544-8-0x0000000008FB0000-0x0000000009149000-memory.dmp

Download

memory/3544-21-0x0000000008C90000-0x0000000008D73000-memory.dmp

Download

memory/3544-22-0x0000000008C90000-0x0000000008D73000-memory.dmp

Download

memory/3544-24-0x0000000008C90000-0x0000000008D73000-memory.dmp

Download