formbook | 8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac

Analysis

max time kernel
148s
max time network
144s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 14:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3d93ad3d9374e100842fc9a5c683d86b.exe
Size

2.1MB
MD5

3d93ad3d9374e100842fc9a5c683d86b
SHA1

6d84040392c2b071dd1546a85ce7c8f527d7e1b3
SHA256

8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac
SHA512

d87baae4c95e41bf82c60c705638d010e3e6e7aa66a95adb9e4280ab2f9acf8b6f633c919f9ef4bc69bac0d700f010c2d72643aacffac4878e7855b3528e40f1
SSDEEP

12288:LB9rRHQ435jKIJE/yGcn5k9BTFE1ksbRz0A7JFVTr/EJ:d9rpQ4BGcATFokMT/n8

Score

10^/10

formbook oi12 credential_access discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oi12

Decoy

exobello.bio

boinga.xyz

animasriversurf.com

gamesflashg.com

hayatbagievleri.online

washington-living.com

july7.store

x-pod-technologies.com

farmhouseflaire.com

qb52aa.top

datasynthing.xyz

5v28n.rest

legacycommerceltd.com

mundodelosjuguetes.com

wjblades.com

z9b6g8.com

eskimotech.net

dreziuy.xyz

bestsolarcompanies.services

vertemisconsulting.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2444-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2444-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1828-18-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-940600906-3464502421-4240639183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\BX4H_RN = "C:\\Program Files (x86)\\Windows Media Player\\wmplayer.exe"	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2444 set thread context of 1188	2444	wmplayer.exe	21
PID 1828 set thread context of 1188	1828	cmd.exe	21

System Location Discovery: System Language Discovery 1 TTPs 1 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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-940600906-3464502421-4240639183-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2444	wmplayer.exe
2444	wmplayer.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2444	wmplayer.exe
2444	wmplayer.exe
2444	wmplayer.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe
1828	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	wmplayer.exe
Token: SeShutdownPrivilege	1188	Explorer.EXE
Token: SeDebugPrivilege	1828	cmd.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2632 wrote to memory of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2632 wrote to memory of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2632 wrote to memory of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2632 wrote to memory of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2632 wrote to memory of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2632 wrote to memory of 2444	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	32
PID 2632 wrote to memory of 1440	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	33
PID 2632 wrote to memory of 1440	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	33
PID 2632 wrote to memory of 1440	2632	3d93ad3d9374e100842fc9a5c683d86b.exe	33
PID 1188 wrote to memory of 1828	1188	Explorer.EXE	83
PID 1188 wrote to memory of 1828	1188	Explorer.EXE	83
PID 1188 wrote to memory of 1828	1188	Explorer.EXE	83
PID 1188 wrote to memory of 1828	1188	Explorer.EXE	83
PID 1828 wrote to memory of 1032	1828	cmd.exe	84
PID 1828 wrote to memory of 1032	1828	cmd.exe	84
PID 1828 wrote to memory of 1032	1828	cmd.exe	84
PID 1828 wrote to memory of 1032	1828	cmd.exe	84
PID 1828 wrote to memory of 1032	1828	cmd.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\3d93ad3d9374e100842fc9a5c683d86b.exe
  "C:\Users\Admin\AppData\Local\Temp\3d93ad3d9374e100842fc9a5c683d86b.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2444
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2632 -s 624
    3⤵
    PID:1440
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2696
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2656
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2740
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2744
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2768
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2784
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2980
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2704
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2660
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:852
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2676
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2684
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2200
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2972
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2712
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2808
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2580
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2820
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2780
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2572
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2756
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2232
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2688
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2716
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2724
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2592
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1052
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2600
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2548
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2556
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2564
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2576
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2612
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2624
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1328
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3052
- 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:2596
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2420
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3068
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1524
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:884
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:836
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1812
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1480
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2012
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2828
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1056
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\K45N4PDS\K45logim.jpeg

Filesize
86KB

MD5
7ee2537bccfad997546bb53fe56987fe

SHA1
4b0c30ea0e0257b5fae0ee7c6a73851be1138d1f

SHA256
815f462ed53aac2d921269201b21264fb11a441ed03675a92c23d06eee489e8c

SHA512
7b7edc5fc65826642252a04e47725b62a60bb79d73e00ebbaa3daa6cf5708ae19d61242269a885e1fb92fa6798d6591b2cded4465ab0e5f807f7a0effe7cfc2e

Download Submit
C:\Users\Admin\AppData\Roaming\K45N4PDS\K45logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\K45N4PDS\K45logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\K45N4PDS\K45logrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1188-16-0x0000000005030000-0x0000000005144000-memory.dmp

Filesize
1.1MB

Download
memory/1188-41-0x0000000005250000-0x000000000532A000-memory.dmp

Filesize
872KB

Download
memory/1188-39-0x0000000005030000-0x0000000005144000-memory.dmp

Filesize
1.1MB

Download
memory/1828-18-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1828-17-0x0000000049F10000-0x0000000049F5C000-memory.dmp

Filesize
304KB

Download
memory/2444-13-0x0000000000370000-0x0000000000384000-memory.dmp

Filesize
80KB

Download
memory/2444-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2444-12-0x00000000008E0000-0x0000000000BE3000-memory.dmp

Filesize
3.0MB

Download
memory/2444-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2444-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2444-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2444-5-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2632-36-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2632-0-0x000007FEF5EE3000-0x000007FEF5EE4000-memory.dmp

Filesize
4KB

Download
memory/2632-35-0x000007FEF5EE3000-0x000007FEF5EE4000-memory.dmp

Filesize
4KB

Download
memory/2632-4-0x0000000000690000-0x0000000000716000-memory.dmp

Filesize
536KB

Download
memory/2632-3-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2632-2-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2632-1-0x00000000013C0000-0x00000000013CA000-memory.dmp

Filesize
40KB

Download