formbook | 89b683855a2ab91c7224978cd42a844a864585d288bfe9620084c632192ba890

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 05:00

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General

Target

PO_82_4000002414_XLS.exe
Size

805KB
MD5

85d7d1da8b13db9c318edb8e0ef6edcd
SHA1

d896eed6ed2dffaf9f7253b1642787b92e67f704
SHA256

765c1e7486aedffd7021ae5f15c86e549c7b796a5025249781f9c8a6327f4037
SHA512

eb82f6bf67635506b5fbcf4ea3b6e409152a54db8ba8d71c6272f88dcf16634c7cd75baaf68180c56a78209e9776a129f71d94a864c6a237663460933c05da52
SSDEEP

12288:vAOLPQXFuSL3DuSOYrPkjrV9jqd98+OXwUWT8oogIi1S01T:xLIXFukuSOfrqdLOyDj1R

Score

10^/10

formbook sdk discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sdk

Decoy

mosquitobandidos.com

yisecurityfirst.com

faip777.icu

nc-tv.com

tifeeds.com

techlez.com

newalbanyironworks.com

shadent.store

therealworldtravel.com

cryptocoinminingpro.com

lobard.com

iamforexbots.com

cottnon.com

dandaanyar.com

browtopia.space

mo-diamond-mining.com

inteholistichealth.clinic

bhargavmistry.com

justgraceboutique.com

africanwomenabroad.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2560-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2064 set thread context of 2560	2064	PO_82_4000002414_XLS.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3044	2560	WerFault.exe	31

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	PO_82_4000002414_XLS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO_82_4000002414_XLS.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2064	PO_82_4000002414_XLS.exe
2064	PO_82_4000002414_XLS.exe
2064	PO_82_4000002414_XLS.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	PO_82_4000002414_XLS.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2560	2064	PO_82_4000002414_XLS.exe	31
PID 2064 wrote to memory of 2560	2064	PO_82_4000002414_XLS.exe	31
PID 2064 wrote to memory of 2560	2064	PO_82_4000002414_XLS.exe	31
PID 2064 wrote to memory of 2560	2064	PO_82_4000002414_XLS.exe	31
PID 2064 wrote to memory of 2560	2064	PO_82_4000002414_XLS.exe	31
PID 2064 wrote to memory of 2560	2064	PO_82_4000002414_XLS.exe	31
PID 2064 wrote to memory of 2560	2064	PO_82_4000002414_XLS.exe	31
PID 2560 wrote to memory of 3044	2560	PO_82_4000002414_XLS.exe	32
PID 2560 wrote to memory of 3044	2560	PO_82_4000002414_XLS.exe	32
PID 2560 wrote to memory of 3044	2560	PO_82_4000002414_XLS.exe	32
PID 2560 wrote to memory of 3044	2560	PO_82_4000002414_XLS.exe	32

C:\Users\Admin\AppData\Local\Temp\PO_82_4000002414_XLS.exe
"C:\Users\Admin\AppData\Local\Temp\PO_82_4000002414_XLS.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\PO_82_4000002414_XLS.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2560 -s 36
    3⤵
    - Program crash
    PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2064-0-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2064-1-0x0000000000FF0000-0x00000000010C0000-memory.dmp

Filesize
832KB

Download
memory/2064-2-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2064-3-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download
memory/2064-4-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2064-5-0x0000000005D60000-0x0000000005DEE000-memory.dmp

Filesize
568KB

Download
memory/2064-6-0x0000000005DF0000-0x0000000005E6C000-memory.dmp

Filesize
496KB

Download
memory/2064-13-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2560-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2560-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download