formbook | fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 10:32

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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 persistence 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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4204-0-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4204-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3540-8-0x0000000000EE0000-0x0000000000F0F000-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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	colorcpl.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YL0TIHTPO2 = "C:\\Program Files (x86)\\Windows Media Player\\wmplayer.exe"	colorcpl.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3272 set thread context of 4204	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	90
PID 4204 set thread context of 3408	4204	wmplayer.exe	55
PID 3540 set thread context of 3408	3540	colorcpl.exe	55

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	colorcpl.exe
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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4204	wmplayer.exe
4204	wmplayer.exe
4204	wmplayer.exe
4204	wmplayer.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4204	wmplayer.exe
4204	wmplayer.exe
4204	wmplayer.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe
3540	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe
Token: SeDebugPrivilege	4204	wmplayer.exe
Token: SeDebugPrivilege	3540	colorcpl.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3408	Explorer.EXE
3408	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3408	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 1136	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	85
PID 3272 wrote to memory of 1136	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	85
PID 3272 wrote to memory of 1136	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	85
PID 3272 wrote to memory of 1136	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	85
PID 3272 wrote to memory of 4536	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	88
PID 3272 wrote to memory of 4536	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	88
PID 3272 wrote to memory of 4536	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	88
PID 3272 wrote to memory of 4536	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	88
PID 3272 wrote to memory of 2708	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	89
PID 3272 wrote to memory of 2708	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	89
PID 3272 wrote to memory of 2708	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	89
PID 3272 wrote to memory of 2708	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	89
PID 3272 wrote to memory of 4204	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	90
PID 3272 wrote to memory of 4204	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	90
PID 3272 wrote to memory of 4204	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	90
PID 3272 wrote to memory of 4204	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	90
PID 3272 wrote to memory of 4204	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	90
PID 3272 wrote to memory of 4204	3272	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0.exe	90
PID 3408 wrote to memory of 3540	3408	Explorer.EXE	97
PID 3408 wrote to memory of 3540	3408	Explorer.EXE	97
PID 3408 wrote to memory of 3540	3408	Explorer.EXE	97
PID 3540 wrote to memory of 1384	3540	colorcpl.exe	98
PID 3540 wrote to memory of 1384	3540	colorcpl.exe	98
PID 3540 wrote to memory of 1384	3540	colorcpl.exe	98
PID 3540 wrote to memory of 1496	3540	colorcpl.exe	100
PID 3540 wrote to memory of 1496	3540	colorcpl.exe	100
PID 3540 wrote to memory of 1496	3540	colorcpl.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3408
- 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:3272
- - C:\Windows\System32\calc.exe
    "C:\Windows\System32\calc.exe"
    3⤵
    PID:1136
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
    3⤵
    PID:4536
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2708
- - 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:4204
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4500
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2252
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1752
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2156
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1772
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2476
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:3540
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1384
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1496

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logim.jpeg

Filesize
75KB

MD5
49873f5c045f26c0e44fe55eb2b01dad

SHA1
0d56125ef3f8e5033bf83a8efb3c7c89dce2749c

SHA256
b1f389a4d2332b39d8e3543959caa4cb46132d50ce7e763d99e6d3d88d08952b

SHA512
a07698179e31011cc7ff5a83aa44698a7e08f6dcb7a046c9f6d556668902973595ab29fb20f773a083447bfbc2af5508ce6b5ae470fc03a726963f604402acb1

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/3408-23-0x00000000085A0000-0x00000000086DB000-memory.dmp

Filesize
1.2MB

Download
memory/3408-5-0x00000000085A0000-0x00000000086DB000-memory.dmp

Filesize
1.2MB

Download
memory/3408-28-0x00000000089C0000-0x0000000008B27000-memory.dmp

Filesize
1.4MB

Download
memory/3540-7-0x0000000000F60000-0x0000000000F79000-memory.dmp

Filesize
100KB

Download
memory/3540-8-0x0000000000EE0000-0x0000000000F0F000-memory.dmp

Filesize
188KB

Download
memory/3540-6-0x0000000000F60000-0x0000000000F79000-memory.dmp

Filesize
100KB

Download
memory/4204-4-0x0000000001030000-0x0000000001044000-memory.dmp

Filesize
80KB

Download
memory/4204-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4204-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4204-1-0x0000000001050000-0x000000000139A000-memory.dmp

Filesize
3.3MB

Download