formbook | eedbbe2b45d3dea47ddb5b56848edf35f0439ec68bf2767ea985d28b4834db0a

Analysis

max time kernel
148s
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
28-12-2024 22:43

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General

Target

8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe
Size

599KB
MD5

92592b4ed9b80ddab77d8e19d2ea120e
SHA1

aae8fdb85bbf71c66d6001be2302018f97ea3375
SHA256

8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00
SHA512

3e6a4ec71c2ce0d2989325f09db6c9189c8eca95af9ea1bb749436f79826afe5a12df2fe6aa2bc2cc6b02fe91fcb230b9cdb73ff0ac8ecff4c92e910bfcb3352
SSDEEP

12288:07Io/7u4UlyVVKhl3tpBuivKhwtfgfRFmFeytYY2j3ga0gvV:07T7cWm9pBqQfScFeUYY2jwa0

Score

10^/10

formbook dfc discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dfc

Decoy

photographytune.com

oleandrinbotanical.com

hibcapital.com

katgermosen.com

careerwomensgol.com

oliverezechi.net

hrbhrt.com

codeopulence.com

merrilllynchph.com

globallionsco.com

cutass.com

sarahalhashemi.com

izzyandi.com

snacklabbet.com

manufaktura-uyuta.online

powayvotes.net

helpspine.com

arlto.info

sofakingwet.com

cretanhandcarving.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/5092-5-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/5092-11-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/5092-15-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GXMHB08XYD = "C:\\Program Files (x86)\\Rx4ltczix\\bzmxzr51b0tq.exe"	netsh.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 816 set thread context of 5092	816	8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe	82
PID 5092 set thread context of 3404	5092	RegAsm.exe	56
PID 5092 set thread context of 3404	5092	RegAsm.exe	56
PID 2812 set thread context of 3404	2812	netsh.exe	56

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Rx4ltczix\bzmxzr51b0tq.exe	netsh.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	netsh.exe
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	8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
5092	RegAsm.exe
5092	RegAsm.exe
5092	RegAsm.exe
5092	RegAsm.exe
5092	RegAsm.exe
5092	RegAsm.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe

Suspicious behavior: MapViewOfSection 9 IoCs

pid	Process
816	8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe
5092	RegAsm.exe
5092	RegAsm.exe
5092	RegAsm.exe
5092	RegAsm.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe
2812	netsh.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	RegAsm.exe
Token: SeDebugPrivilege	2812	netsh.exe
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 5092	816	8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe	82
PID 816 wrote to memory of 5092	816	8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe	82
PID 816 wrote to memory of 5092	816	8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe	82
PID 816 wrote to memory of 5092	816	8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe	82
PID 3404 wrote to memory of 2812	3404	Explorer.EXE	83
PID 3404 wrote to memory of 2812	3404	Explorer.EXE	83
PID 3404 wrote to memory of 2812	3404	Explorer.EXE	83
PID 2812 wrote to memory of 4660	2812	netsh.exe	87
PID 2812 wrote to memory of 4660	2812	netsh.exe	87
PID 2812 wrote to memory of 4660	2812	netsh.exe	87
PID 2812 wrote to memory of 1564	2812	netsh.exe	95
PID 2812 wrote to memory of 1564	2812	netsh.exe	95
PID 2812 wrote to memory of 1564	2812	netsh.exe	95
PID 2812 wrote to memory of 2976	2812	netsh.exe	97
PID 2812 wrote to memory of 2976	2812	netsh.exe	97
PID 2812 wrote to memory of 2976	2812	netsh.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Users\Admin\AppData\Local\Temp\8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe
  "C:\Users\Admin\AppData\Local\Temp\8649b814fa724e40e4dae7cc2d9d727da957b760e7d28d3af04a7c1011311a00.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:816
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5092
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  - Adds 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:2812
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4660
- - 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:1564
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2976

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\9P714OD2\9P7logim.jpeg

Filesize
77KB

MD5
d88be3ffde27676912a912bbfd08be86

SHA1
83568b61fd2b50145a7cf695b110001aecdfdf7b

SHA256
a0b32b8e909253a85c1943bf319e7153ff18c57d0fc0ecc5440b8a8020dbea9b

SHA512
ce59183319444cf7a4d1f72a74346490328f67e7ed04eb9ca55cddfa168fdc83bc08f592fb609dbdea5f534abab37b3cd058f0ebeb1341e8aec82e758b43c537

Download Submit
C:\Users\Admin\AppData\Roaming\9P714OD2\9P7logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\9P714OD2\9P7logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\9P714OD2\9P7logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\9P714OD2\9P7logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/816-3-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/816-8-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/816-7-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/816-4-0x0000000005A60000-0x0000000005A9A000-memory.dmp

Filesize
232KB

Download
memory/816-2-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/816-1-0x0000000000DB0000-0x0000000000E4C000-memory.dmp

Filesize
624KB

Download
memory/816-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2812-21-0x0000000001480000-0x000000000149E000-memory.dmp

Filesize
120KB

Download
memory/2812-19-0x0000000001480000-0x000000000149E000-memory.dmp

Filesize
120KB

Download
memory/3404-28-0x0000000008440000-0x00000000084E4000-memory.dmp

Filesize
656KB

Download
memory/3404-18-0x0000000008C40000-0x0000000008D15000-memory.dmp

Filesize
852KB

Download
memory/3404-22-0x0000000008F30000-0x0000000009048000-memory.dmp

Filesize
1.1MB

Download
memory/3404-25-0x0000000008440000-0x00000000084E4000-memory.dmp

Filesize
656KB

Download
memory/3404-27-0x0000000008440000-0x00000000084E4000-memory.dmp

Filesize
656KB

Download
memory/3404-17-0x0000000008F30000-0x0000000009048000-memory.dmp

Filesize
1.1MB

Download
memory/3404-13-0x0000000008C40000-0x0000000008D15000-memory.dmp

Filesize
852KB

Download
memory/5092-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5092-16-0x0000000001380000-0x0000000001394000-memory.dmp

Filesize
80KB

Download
memory/5092-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5092-12-0x0000000001340000-0x0000000001354000-memory.dmp

Filesize
80KB

Download
memory/5092-9-0x0000000003160000-0x00000000034AA000-memory.dmp

Filesize
3.3MB

Download
memory/5092-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download