formbook | 0be35975a9936bc239c69fb4c6e123f1b9f8b20c469d7fc38c62ae41fbde017b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 18:26

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General

Target

InvoiceFB1.exe
Size

487KB
MD5

cea9f8ab6f247ba9d68798b685bc5ebd
SHA1

d02f86034c86efe9aa457306e76746e6df294115
SHA256

5ac464b04f871540a52fb5c7e8349f1bd7856a9e6f6d63eadd61755637e7d1da
SHA512

82ffe9ca68c189b6066e478c70d3b10d84bfd026988540ac4ce08ac58ece1f79789d362cbea2b779cb0a07ef50c4c4913328b98ac19aca43bfef4561e3e9f572
SSDEEP

12288:nanrKibhvVp2ygaKNOALUMEaRjByWActJNc7pQzqmgY:UvbhvVhzKnLdB2QJkCoY

Score

10^/10

formbook pw9 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

pw9

Decoy

applephone.red

bureauxfashion.com

05044444.com

newmarketingideas.net

7754y.com

976life.com

rilio.realty

amandakohar.com

003manbetx.com

tomtomxl.com

pulse-group.com

qdhtdzj.com

desitebuilder.com

ivymaephotography.info

sgpoloclub.com

aaeventsshop.com

mobilesant.com

lewismobilewelding.com

firefromthearchives.com

printathomeparties.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4636-50-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/4636-54-0x0000000000400000-0x000000000042D000-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	wlanext.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\HXJHS4Q8 = "C:\\Program Files (x86)\\Q6l4x\\audiodgijmdmp.exe"	wlanext.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	rundll32.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 4636 set thread context of 3452	4636	cmd.exe	56
PID 4664 set thread context of 3452	4664	wlanext.exe	56

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Q6l4x\audiodgijmdmp.exe	wlanext.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	InvoiceFB1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
2184	rundll32.exe
2184	rundll32.exe
4636	cmd.exe
4636	cmd.exe
4636	cmd.exe
4636	cmd.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe

Suspicious behavior: MapViewOfSection 9 IoCs

pid	Process
2184	rundll32.exe
2184	rundll32.exe
4636	cmd.exe
4636	cmd.exe
4636	cmd.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe
4664	wlanext.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	cmd.exe
Token: SeDebugPrivilege	4664	wlanext.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2184	2796	InvoiceFB1.exe	83
PID 2796 wrote to memory of 2184	2796	InvoiceFB1.exe	83
PID 2796 wrote to memory of 2184	2796	InvoiceFB1.exe	83
PID 2184 wrote to memory of 4064	2184	rundll32.exe	84
PID 2184 wrote to memory of 4064	2184	rundll32.exe	84
PID 2184 wrote to memory of 4064	2184	rundll32.exe	84
PID 2184 wrote to memory of 4064	2184	rundll32.exe	84
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85
PID 2184 wrote to memory of 4636	2184	rundll32.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\InvoiceFB1.exe
  "C:\Users\Admin\AppData\Local\Temp\InvoiceFB1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe LigulaObloquy,Xerophytes
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      PID:4064
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4636
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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
  PID:4664
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\cmd.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2460
- - 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:3700
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3436

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 Information Discovery

T1082

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\Jumpstart

Filesize
232KB

MD5
24c34d5b16162930fb64196afafd0e34

SHA1
26c94849c6af6154c1de2961182e7b58bbb0c08d

SHA256
bef1d5e34543ee442610285c6a255f80590edce10f2acbe31ce974d1e3a5a1cc

SHA512
05318f3ce77531a313b6f180e8dd43c4170cc1d3d59237e748924c35078aa9c2c7aa38256202f9672fe08cc89b27442a8431e7f46fb83ead6b043de3d7bbec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\LigulaObloquy.DLL

Filesize
60KB

MD5
f97e874de0ecea97bb5f0e6747907143

SHA1
870ea315994cf0c5cac4c815de79cf86c0d114a6

SHA256
c9c153387c7f0d6f3476431e6878b6d455cc2ce0b6ff8afd83753970289ce387

SHA512
3dcd8066cd7ecc0b0b781a6f3a99f30296c4fc7d9e40502b43d685927a31f2cae611f4e22755505e0e720382badd256e7f2234f428c90b19c7820dd1727d4531

Download Submit
C:\Users\Admin\AppData\Roaming\-6480DD3\-64logim.jpeg

Filesize
86KB

MD5
d77ff720859f7e190bbdc9034bf9c3bb

SHA1
252cc8a68ddbf3345969dddf675b67769b20b830

SHA256
fd5b489990fa67cae026089462850774e6013347cfc32cb40e85de90bad142fc

SHA512
79634b3620e5f453b22b3cbe50a0d9a1b5011ed8e28c082041b5210385f51c0bac004638d7fc976c0411478e3a91644d5c9b7d813c267759b475d11daafa77e0

Download Submit
C:\Users\Admin\AppData\Roaming\-6480DD3\-64logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\-6480DD3\-64logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\-6480DD3\-64logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-6480DD3\-64logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/2184-46-0x0000000077370000-0x00000000773D3000-memory.dmp

Filesize
396KB

Download
memory/2184-48-0x0000000074750000-0x0000000074818000-memory.dmp

Filesize
800KB

Download
memory/2184-45-0x0000000074750000-0x0000000074818000-memory.dmp

Filesize
800KB

Download
memory/2184-44-0x0000000001190000-0x0000000001192000-memory.dmp

Filesize
8KB

Download
memory/3452-57-0x0000000008A50000-0x0000000008B57000-memory.dmp

Filesize
1.0MB

Download
memory/4636-54-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4636-50-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4636-47-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/4664-53-0x0000000000EA0000-0x0000000000EB7000-memory.dmp

Filesize
92KB

Download
memory/4664-52-0x0000000000EA0000-0x0000000000EB7000-memory.dmp

Filesize
92KB

Download