formbook | a8855a4b8a5fb6eba70fa4e49e9f5e1c3007b4b1591530cb92edd39430ae8d04

Analysis

max time kernel
146s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2024 14:24

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General

Target

shipment update.exe
Size

658KB
MD5

c969389f57b8748516c408694e11189e
SHA1

7ec5fbfe88a6a8d54c647bcc73ac315b513fca92
SHA256

03369b54bd959d9f0f02b5ce734d502ddcddfee109fed5345c84ae0f365bebf6
SHA512

7826cf7c6dc9f556b885fcee682c70cfca2da36f4596838bee85427447d6b129e84d9d43e3a31935525bd21a3b1a5b16c17da0155b96ef7e4774099bfbef06db
SSDEEP

12288:Ucir1S2IoOAc6/5rZGmy4unKZno/iDDjPPqmgucrl4M5iYXybz8xaMhLdrn8qdMW:1nK9o67ZguinMbIxaMhJD8yMEE0

Score

10^/10

formbook fh84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fh84

Decoy

mtzyn.top

zfn-no-hsts.win

j10g.xyz

arehouse-inventory-60572.bond

nlineprodutooffer.shop

ar-deals-77764.bond

e3m2.xyz

cquisitive.group

unkusol.xyz

01307.xyz

uratedcelebrations.net

nfiniworkshop-thai.online

s-cmc.net

idney360.info

ipolar-treatment-us-311-ze.zone

entenstituleridernegi.biz

olombiaoutlet.shop

uradab.rest

qega.shop

73519.vip

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/4128-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4128-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1492-21-0x0000000000630000-0x000000000065F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1068 set thread context of 4128	1068	shipment update.exe	88
PID 4128 set thread context of 3452	4128	shipment update.exe	56
PID 1492 set thread context of 3452	1492	ipconfig.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shipment update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1492	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
1068	shipment update.exe
1068	shipment update.exe
1068	shipment update.exe
1068	shipment update.exe
4128	shipment update.exe
4128	shipment update.exe
4128	shipment update.exe
4128	shipment update.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe
1492	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4128	shipment update.exe
4128	shipment update.exe
4128	shipment update.exe
1492	ipconfig.exe
1492	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	shipment update.exe
Token: SeDebugPrivilege	4128	shipment update.exe
Token: SeDebugPrivilege	1492	ipconfig.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 3928	1068	shipment update.exe	86
PID 1068 wrote to memory of 3928	1068	shipment update.exe	86
PID 1068 wrote to memory of 3928	1068	shipment update.exe	86
PID 1068 wrote to memory of 3544	1068	shipment update.exe	87
PID 1068 wrote to memory of 3544	1068	shipment update.exe	87
PID 1068 wrote to memory of 3544	1068	shipment update.exe	87
PID 1068 wrote to memory of 4128	1068	shipment update.exe	88
PID 1068 wrote to memory of 4128	1068	shipment update.exe	88
PID 1068 wrote to memory of 4128	1068	shipment update.exe	88
PID 1068 wrote to memory of 4128	1068	shipment update.exe	88
PID 1068 wrote to memory of 4128	1068	shipment update.exe	88
PID 1068 wrote to memory of 4128	1068	shipment update.exe	88
PID 3452 wrote to memory of 1492	3452	Explorer.EXE	93
PID 3452 wrote to memory of 1492	3452	Explorer.EXE	93
PID 3452 wrote to memory of 1492	3452	Explorer.EXE	93
PID 1492 wrote to memory of 3528	1492	ipconfig.exe	94
PID 1492 wrote to memory of 3528	1492	ipconfig.exe	94
PID 1492 wrote to memory of 3528	1492	ipconfig.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\shipment update.exe
  "C:\Users\Admin\AppData\Local\Temp\shipment update.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1068
- - C:\Users\Admin\AppData\Local\Temp\shipment update.exe
    "C:\Users\Admin\AppData\Local\Temp\shipment update.exe"
    3⤵
    PID:3928
- - C:\Users\Admin\AppData\Local\Temp\shipment update.exe
    "C:\Users\Admin\AppData\Local\Temp\shipment update.exe"
    3⤵
    PID:3544
- - C:\Users\Admin\AppData\Local\Temp\shipment update.exe
    "C:\Users\Admin\AppData\Local\Temp\shipment update.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4128
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:5024
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:4060
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3668
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:5108
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\shipment update.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/1068-13-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1068-7-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1068-2-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/1068-3-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/1068-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1068-5-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/1068-6-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/1068-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/1068-8-0x0000000005770000-0x0000000005782000-memory.dmp

Filesize
72KB

Download
memory/1068-9-0x0000000008080000-0x00000000080F6000-memory.dmp

Filesize
472KB

Download
memory/1068-10-0x000000000A810000-0x000000000A8AC000-memory.dmp

Filesize
624KB

Download
memory/1068-1-0x0000000000A10000-0x0000000000ABA000-memory.dmp

Filesize
680KB

Download
memory/1492-21-0x0000000000630000-0x000000000065F000-memory.dmp

Filesize
188KB

Download
memory/1492-20-0x0000000000750000-0x000000000075B000-memory.dmp

Filesize
44KB

Download
memory/1492-19-0x0000000000750000-0x000000000075B000-memory.dmp

Filesize
44KB

Download
memory/3452-24-0x00000000086E0000-0x0000000008844000-memory.dmp

Filesize
1.4MB

Download
memory/3452-18-0x0000000008540000-0x00000000086D6000-memory.dmp

Filesize
1.6MB

Download
memory/3452-22-0x0000000008540000-0x00000000086D6000-memory.dmp

Filesize
1.6MB

Download
memory/3452-25-0x00000000086E0000-0x0000000008844000-memory.dmp

Filesize
1.4MB

Download
memory/3452-27-0x00000000086E0000-0x0000000008844000-memory.dmp

Filesize
1.4MB

Download
memory/4128-17-0x0000000001490000-0x00000000014A5000-memory.dmp

Filesize
84KB

Download
memory/4128-14-0x0000000000FA0000-0x00000000012EA000-memory.dmp

Filesize
3.3MB

Download
memory/4128-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4128-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download