formbook | b1dd2798d89f66d87e984ac3020a0ddc6741c6a845fa6df3d5e3a27ac08e791d

Resubmissions

13-01-2025 04:23

250113-ezwl2avres 10

12-01-2025 18:33

250112-w7kceawnbl 10

Analysis

max time kernel
898s
max time network
900s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 04:23

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General

Target

D21349_R01.exe
Size

368KB
MD5

8257cfda4bcf7f729bb54f202c2fcbe8
SHA1

a92d8320d2c0b25bb519b4186c1cea1bf106c049
SHA256

b1dd2798d89f66d87e984ac3020a0ddc6741c6a845fa6df3d5e3a27ac08e791d
SHA512

9a6bf3c40d59ac40ef1d7b370dd12cf8ec207693bd3ffd85daf98aab6de7f24d13e0364558d511c31d1965adb024f04375a7ff0c4035a859ea2ce06c7a6721fe
SSDEEP

6144:h/DDAs9TKoUjNVl6tGrFWGDvtww8Yxw7YURz6t776Qgl/u0O0:h/MoUjNVl3rkGDvtww8Yxw7Yf7n0

Score

10^/10

formbook xloader d0ce discovery loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

d0ce

Decoy

spellfield.com

vanjmkt.com

exclusivedrone.store

happyworkdayacademy.com

motometics.com

mumkungiyim.com

alborosso.com

houstonafterparties.com

wilcoxserviceinc.com

proud2bblack.com

annikadaniel.love

elefantesenelcloset.com

cryptoisthedrug.com

kuroda-implant.com

instaladoresvilafranca.com

orthozayn.com

ebuyivermectin.com

centroserviziseclensrls.com

benefitcarolina.com

wkfdymfxmyckr.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/816-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/816-2-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1748-8-0x0000000000E00000-0x0000000000E29000-memory.dmp	xloader
behavioral2/memory/3916-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ZHVHXTBP6HL = "C:\\Program Files (x86)\\Shxotkzix\\igfx9ra.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1804	igfx9ra.exe

Loads dropped DLL 2 IoCs

pid	Process
1804	igfx9ra.exe
3916	igfx9ra.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 4 IoCs

description	pid	Process	procid_target
PID 4960 set thread context of 816	4960	D21349_R01.exe	84
PID 816 set thread context of 3364	816	D21349_R01.exe	56
PID 1748 set thread context of 3364	1748	svchost.exe	56
PID 1804 set thread context of 3916	1804	igfx9ra.exe	107

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Shxotkzix\igfx9ra.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Shxotkzix	Explorer.EXE
File created	C:\Program Files (x86)\Shxotkzix\igfx9ra.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Shxotkzix\igfx9ra.exe	Explorer.EXE

System Location Discovery: System Language Discovery 1 TTPs 5 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	igfx9ra.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	D21349_R01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
816	D21349_R01.exe
816	D21349_R01.exe
816	D21349_R01.exe
816	D21349_R01.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
816	D21349_R01.exe
816	D21349_R01.exe
816	D21349_R01.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	816	D21349_R01.exe
Token: SeDebugPrivilege	1748	svchost.exe
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE
Token: SeDebugPrivilege	3916	igfx9ra.exe
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4960	D21349_R01.exe
1804	igfx9ra.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 816	4960	D21349_R01.exe	84
PID 4960 wrote to memory of 816	4960	D21349_R01.exe	84
PID 4960 wrote to memory of 816	4960	D21349_R01.exe	84
PID 4960 wrote to memory of 816	4960	D21349_R01.exe	84
PID 3364 wrote to memory of 1748	3364	Explorer.EXE	85
PID 3364 wrote to memory of 1748	3364	Explorer.EXE	85
PID 3364 wrote to memory of 1748	3364	Explorer.EXE	85
PID 1748 wrote to memory of 3392	1748	svchost.exe	88
PID 1748 wrote to memory of 3392	1748	svchost.exe	88
PID 1748 wrote to memory of 3392	1748	svchost.exe	88
PID 1748 wrote to memory of 1848	1748	svchost.exe	103
PID 1748 wrote to memory of 1848	1748	svchost.exe	103
PID 1748 wrote to memory of 1848	1748	svchost.exe	103
PID 1748 wrote to memory of 876	1748	svchost.exe	105
PID 1748 wrote to memory of 876	1748	svchost.exe	105
PID 3364 wrote to memory of 1804	3364	Explorer.EXE	106
PID 3364 wrote to memory of 1804	3364	Explorer.EXE	106
PID 3364 wrote to memory of 1804	3364	Explorer.EXE	106
PID 1748 wrote to memory of 876	1748	svchost.exe	105
PID 1804 wrote to memory of 3916	1804	igfx9ra.exe	107
PID 1804 wrote to memory of 3916	1804	igfx9ra.exe	107
PID 1804 wrote to memory of 3916	1804	igfx9ra.exe	107
PID 1804 wrote to memory of 3916	1804	igfx9ra.exe	107

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Users\Admin\AppData\Local\Temp\D21349_R01.exe
  C:\Users\Admin\AppData\Local\Temp\D21349_R01.exe cmd /c %SIGILL% "SIGTERM|DELETE|SIGKILL"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Users\Admin\AppData\Local\Temp\D21349_R01.exe
    "C:\Users\Admin\AppData\Local\Temp\D21349_R01.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:816
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:1748
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\D21349_R01.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3392
- - 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:1848
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:876
- C:\Program Files (x86)\Shxotkzix\igfx9ra.exe
  "C:\Program Files (x86)\Shxotkzix\igfx9ra.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Program Files (x86)\Shxotkzix\igfx9ra.exe
    "C:\Program Files (x86)\Shxotkzix\igfx9ra.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:3916

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\Local\Temp\Shxotkzix\igfx9ra.exe

Filesize
368KB

MD5
8257cfda4bcf7f729bb54f202c2fcbe8

SHA1
a92d8320d2c0b25bb519b4186c1cea1bf106c049

SHA256
b1dd2798d89f66d87e984ac3020a0ddc6741c6a845fa6df3d5e3a27ac08e791d

SHA512
9a6bf3c40d59ac40ef1d7b370dd12cf8ec207693bd3ffd85daf98aab6de7f24d13e0364558d511c31d1965adb024f04375a7ff0c4035a859ea2ce06c7a6721fe

Download Submit
memory/816-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/816-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1748-7-0x00000000001C0000-0x00000000001CE000-memory.dmp

Filesize
56KB

Download
memory/1748-5-0x00000000001C0000-0x00000000001CE000-memory.dmp

Filesize
56KB

Download
memory/1748-8-0x0000000000E00000-0x0000000000E29000-memory.dmp

Filesize
164KB

Download
memory/3364-3-0x0000000008F20000-0x0000000009058000-memory.dmp

Filesize
1.2MB

Download
memory/3364-13-0x0000000009160000-0x00000000092CE000-memory.dmp

Filesize
1.4MB

Download
memory/3364-14-0x0000000009160000-0x00000000092CE000-memory.dmp

Filesize
1.4MB

Download
memory/3364-9-0x0000000008F20000-0x0000000009058000-memory.dmp

Filesize
1.2MB

Download
memory/3916-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4960-0-0x0000000000420000-0x0000000000429000-memory.dmp

Filesize
36KB

Download