formbook | fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0

Analysis

max time kernel
149s
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
10-10-2024 02:36

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General

Target

fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe
Size

1.6MB
MD5

f6e047942236cefdcd6559bca66a7b3e
SHA1

28aac545fcd0c9b11d2546110966b812d1c6d920
SHA256

fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0
SHA512

5cb5d39d739e1698772e59b3f50da44cb7279a3f7df1ac5319dedc823f62ecf14f5b0ff68c4e67fe8e1595235242f83d17c86b50e82c16b8c8e6cc40d7525eeb
SSDEEP

49152:WAodtaG9kS2U84B+FLan9k5TRM9zlCVjkvr:K/B1Jz

Score

10^/10

formbook md02 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md02

Decoy

onsen1508.com

partymaxclubmen36.click

texasshelvingwarehouse.com

tiantiying.com

taxcredits-pr.com

33mgbet.com

equipoleiremnacional.com

andrewghita.com

zbbnp.xyz

englandbreaking.com

a1b5v.xyz

vizamag.com

h0lg3.rest

ux-design-courses-17184.bond

of84.top

qqkartel88v1.com

avalynkate.com

cpuk-finance.com

yeslabs.xyz

webuyandsellpa.com

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/3020-0-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3020-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1892-11-0x0000000000660000-0x000000000068F000-memory.dmp	formbook
behavioral2/memory/1892-13-0x0000000000660000-0x000000000068F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3544 set thread context of 3020	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	86
PID 3020 set thread context of 3592	3020	csc.exe	56
PID 1892 set thread context of 3592	1892	msiexec.exe	56

System Location Discovery: System Language Discovery 1 TTPs 2 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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3020	csc.exe
3020	csc.exe
3020	csc.exe
3020	csc.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe
1892	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3020	csc.exe
3020	csc.exe
3020	csc.exe
1892	msiexec.exe
1892	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe
Token: SeDebugPrivilege	3020	csc.exe
Token: SeDebugPrivilege	1892	msiexec.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3592	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 3020	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	86
PID 3544 wrote to memory of 3020	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	86
PID 3544 wrote to memory of 3020	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	86
PID 3544 wrote to memory of 3020	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	86
PID 3544 wrote to memory of 3020	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	86
PID 3544 wrote to memory of 3020	3544	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	86
PID 3592 wrote to memory of 1892	3592	Explorer.EXE	90
PID 3592 wrote to memory of 1892	3592	Explorer.EXE	90
PID 3592 wrote to memory of 1892	3592	Explorer.EXE	90
PID 1892 wrote to memory of 3808	1892	msiexec.exe	91
PID 1892 wrote to memory of 3808	1892	msiexec.exe	91
PID 1892 wrote to memory of 3808	1892	msiexec.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Users\Admin\AppData\Local\Temp\fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe
  "C:\Users\Admin\AppData\Local\Temp\fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3020
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:1892
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3808

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/1892-16-0x0000000002990000-0x0000000002A23000-memory.dmp

Filesize
588KB

Download
memory/1892-8-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/1892-13-0x0000000000660000-0x000000000068F000-memory.dmp

Filesize
188KB

Download
memory/1892-12-0x00000000025A0000-0x00000000028EA000-memory.dmp

Filesize
3.3MB

Download
memory/1892-11-0x0000000000660000-0x000000000068F000-memory.dmp

Filesize
188KB

Download
memory/1892-6-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/1892-10-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/3020-1-0x0000000001780000-0x0000000001ACA000-memory.dmp

Filesize
3.3MB

Download
memory/3020-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3020-4-0x00000000011D0000-0x00000000011E4000-memory.dmp

Filesize
80KB

Download
memory/3020-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3592-5-0x00000000081A0000-0x00000000082B8000-memory.dmp

Filesize
1.1MB

Download
memory/3592-14-0x00000000081A0000-0x00000000082B8000-memory.dmp

Filesize
1.1MB

Download
memory/3592-18-0x0000000008020000-0x000000000815E000-memory.dmp

Filesize
1.2MB

Download
memory/3592-20-0x0000000008020000-0x000000000815E000-memory.dmp

Filesize
1.2MB

Download
memory/3592-21-0x0000000008020000-0x000000000815E000-memory.dmp

Filesize
1.2MB

Download