formbook | ff50cc90850104e009b0a82ae07a0a2b785fc17d1ecdbe719caebb4e63389b7b

Analysis

max time kernel
148s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 11:34

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General

Target

Maersk Scan Docs.exe
Size

516KB
MD5

95c48652559f05a64085bfe6e35aa29f
SHA1

29b0c7589cb4404815c83a033c2b87813387e9b7
SHA256

f1def9617ca9f7ac437dfbd6d67b37af2779827c2c66b89ac80b6f6f6279f173
SHA512

95260fb7ab3d104869c3624bbf030f626f31eac4305964c71340afbe9b837299b180e5af0129f155869cc1743fd4907ca123a7c98b6f04ee8c74246041e846b4
SSDEEP

12288:ucmcDYNKgACB6CK8bWOuqynw0+je1syX/OycmcD:PDUn29qynw0+j4lX/8D

Score

10^/10

formbook ch discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

dfjz88.com

realtorscreek.com

pl8v5z.info

thicdienthoai.com

areauruguay.com

shimizu-yado.com

apples5.com

hothip.net

jm-legal.online

bkinfo28.online

edificiosakura.net

biodesixlungreflex.com

segurosblanco.com

atsintech.solutions

steuerberaterfinden.com

ojjul.com

udcomputer.com

grovescashflow.com

inglot-jlo.com

docteursnuisible.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/5560-4-0x0000000000400000-0x0000000000486000-memory.dmp	formbook
behavioral2/memory/5560-7-0x0000000000400000-0x0000000000486000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Z4LLTXL8_V2 = "C:\\Program Files (x86)\\Lgjb\\vvqlxf2xcdjhjlm.exe"	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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5560 set thread context of 3388	5560	Maersk Scan Docs.exe	56
PID 3960 set thread context of 3388	3960	colorcpl.exe	56

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Lgjb\vvqlxf2xcdjhjlm.exe	colorcpl.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Maersk Scan Docs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
5560	Maersk Scan Docs.exe
5560	Maersk Scan Docs.exe
5560	Maersk Scan Docs.exe
5560	Maersk Scan Docs.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe
3960	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5560	Maersk Scan Docs.exe
5560	Maersk Scan Docs.exe
5560	Maersk Scan Docs.exe
3960	colorcpl.exe
3960	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	5560	Maersk Scan Docs.exe
Token: SeDebugPrivilege	3960	colorcpl.exe
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5560	Maersk Scan Docs.exe
5560	Maersk Scan Docs.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
5560	Maersk Scan Docs.exe
5560	Maersk Scan Docs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5560	Maersk Scan Docs.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3388 wrote to memory of 3960	3388	Explorer.EXE	89
PID 3388 wrote to memory of 3960	3388	Explorer.EXE	89
PID 3388 wrote to memory of 3960	3388	Explorer.EXE	89
PID 3960 wrote to memory of 6084	3960	colorcpl.exe	90
PID 3960 wrote to memory of 6084	3960	colorcpl.exe	90
PID 3960 wrote to memory of 6084	3960	colorcpl.exe	90
PID 3960 wrote to memory of 5660	3960	colorcpl.exe	102
PID 3960 wrote to memory of 5660	3960	colorcpl.exe	102
PID 3960 wrote to memory of 5660	3960	colorcpl.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3388
- C:\Users\Admin\AppData\Local\Temp\Maersk Scan Docs.exe
  "C:\Users\Admin\AppData\Local\Temp\Maersk Scan Docs.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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:5560
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - 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:3960
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Maersk Scan Docs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:6084
- - 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:5660

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
1⤵
PID:1812

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\L-0A962E\L-0logim.jpeg

Filesize
85KB

MD5
f10e5ddc5cc1c6546e0cca85ed413d1f

SHA1
443b81589a63b1d35810696f66ffba67745a7dcd

SHA256
ed3387c5fe8a969efb08cdfcdd32a03f251b1d0599efb91636b5ba33eb91796f

SHA512
110052a670112532b9bc78a77ff494eeba231d546402424ceef3b77f36c85f9ea9d3f6d2ab51ad524f14be5a74dc909c21889027a29d90810f80efcbc97c7fb5

Download Submit
C:\Users\Admin\AppData\Roaming\L-0A962E\L-0logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\L-0A962E\L-0logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\L-0A962E\L-0logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/3388-17-0x0000000008280000-0x0000000008374000-memory.dmp

Filesize
976KB

Download
memory/3388-8-0x0000000003290000-0x000000000338B000-memory.dmp

Filesize
1004KB

Download
memory/3388-20-0x0000000008280000-0x0000000008374000-memory.dmp

Filesize
976KB

Download
memory/3388-19-0x0000000008280000-0x0000000008374000-memory.dmp

Filesize
976KB

Download
memory/3388-14-0x0000000003290000-0x000000000338B000-memory.dmp

Filesize
1004KB

Download
memory/3960-9-0x00000000008B0000-0x00000000008C9000-memory.dmp

Filesize
100KB

Download
memory/3960-10-0x00000000008B0000-0x00000000008C9000-memory.dmp

Filesize
100KB

Download
memory/5560-7-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/5560-13-0x0000000077CE1000-0x0000000077E01000-memory.dmp

Filesize
1.1MB

Download
memory/5560-12-0x00000000022A0000-0x00000000022A9000-memory.dmp

Filesize
36KB

Download
memory/5560-2-0x00000000022A0000-0x00000000022A9000-memory.dmp

Filesize
36KB

Download
memory/5560-6-0x000000000041B000-0x000000000041C000-memory.dmp

Filesize
4KB

Download
memory/5560-5-0x000000000D530000-0x000000000D87A000-memory.dmp

Filesize
3.3MB

Download
memory/5560-4-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/5560-3-0x0000000077CE1000-0x0000000077E01000-memory.dmp

Filesize
1.1MB

Download