formbook | 3123af93014a5a5c49aa6fd2118f6805041af178c222be27e30b2fd477085c19

Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

06-08-2024 13:01

06-08-2024 12:52

06-08-2024 12:29

06-08-2024 12:26

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 12:26

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General

Target

1/d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
Size

691KB
MD5

c2ae4fdb661a151be4876289ed7f8261
SHA1

f8fbb8b8ddb55aacc20449ff2bd5d671e4cbb9fa
SHA256

d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0
SHA512

2642eac12e6a42fbd503621871802da278e0c68a4678675ddbe71f66d7a2b7d0ed8a22640c13d153ea63bcb33f7f13ae32eaa3e444fc451c64a1839d8cc91c89
SSDEEP

12288:luCDWx2PQfnESfZ0nl+xD4u1JW31MlxwXY5oMY3tQMmVHMe3+L4Ull0l8fkR:/awMnESR0nl+Z9OSXwXuoaVse3+sCie6

Score

10^/10

formbook 45er discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

45er

Decoy

depotpulsa.com

k2bilbao.online

bb4uoficial.com

rwc666.club

us-pservice.cyou

tricegottreats.com

zsystems.pro

qudouyin6.com

sfumaturedamore.net

pcetyy.icu

notbokin.online

beqprod.tech

flipbuilding.com

errormitigationzoo.com

zj5u603.xyz

jezzatravel.com

zmdniavysyi.shop

quinnsteele.com

522334.com

outdoorshopping.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral28/memory/2592-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral28/memory/2592-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral28/memory/908-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2784	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2592 set thread context of 1208	2592	RegSvcs.exe	21
PID 2592 set thread context of 1208	2592	RegSvcs.exe	21
PID 908 set thread context of 1208	908	wlanext.exe	21

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 6 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	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
2592	RegSvcs.exe
2592	RegSvcs.exe
2784	powershell.exe
2592	RegSvcs.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe
908	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2592	RegSvcs.exe
2592	RegSvcs.exe
2592	RegSvcs.exe
2592	RegSvcs.exe
908	wlanext.exe
908	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
Token: SeDebugPrivilege	2592	RegSvcs.exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	908	wlanext.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2784	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	30
PID 2704 wrote to memory of 2784	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	30
PID 2704 wrote to memory of 2784	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	30
PID 2704 wrote to memory of 2784	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	30
PID 2704 wrote to memory of 2696	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	31
PID 2704 wrote to memory of 2696	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	31
PID 2704 wrote to memory of 2696	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	31
PID 2704 wrote to memory of 2696	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	31
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2704 wrote to memory of 2592	2704	d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe	34
PID 2592 wrote to memory of 908	2592	RegSvcs.exe	35
PID 2592 wrote to memory of 908	2592	RegSvcs.exe	35
PID 2592 wrote to memory of 908	2592	RegSvcs.exe	35
PID 2592 wrote to memory of 908	2592	RegSvcs.exe	35
PID 908 wrote to memory of 3032	908	wlanext.exe	36
PID 908 wrote to memory of 3032	908	wlanext.exe	36
PID 908 wrote to memory of 3032	908	wlanext.exe	36
PID 908 wrote to memory of 3032	908	wlanext.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\1\d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
  "C:\Users\Admin\AppData\Local\Temp\1\d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sXqUfHySpG.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2784
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sXqUfHySpG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9389.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2696
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2592
  - - C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:908
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9389.tmp

Filesize
1KB

MD5
8b6dace8bd24e4ea19d3b83d08a8b4f9

SHA1
78d2803aa8b96944e05c3b8dc41b5cf5cc1614a4

SHA256
f0f441c4ef97349c7f62c2f0e66ed1f832b196a38b44499209f98a1f63be2ec0

SHA512
3a4d0034946933e3a2b9a72f75b101d2cf312dd6b201504afb8609e60e329acdbfc73dd30004401f4febadac7e966072caec09d349f3297d79c5a53bdad1bb00

Download Submit
memory/908-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/908-23-0x0000000000D20000-0x0000000000D36000-memory.dmp

Filesize
88KB

Download
memory/1208-25-0x00000000065E0000-0x000000000672E000-memory.dmp

Filesize
1.3MB

Download
memory/1208-21-0x0000000003AB0000-0x0000000003BB0000-memory.dmp

Filesize
1024KB

Download
memory/2592-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2592-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2592-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2592-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2592-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-5-0x0000000004BE0000-0x0000000004C56000-memory.dmp

Filesize
472KB

Download
memory/2704-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/2704-19-0x0000000074BB0000-0x000000007529E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-4-0x00000000005C0000-0x00000000005CE000-memory.dmp

Filesize
56KB

Download
memory/2704-3-0x0000000000480000-0x000000000049A000-memory.dmp

Filesize
104KB

Download
memory/2704-2-0x0000000074BB0000-0x000000007529E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-1-0x00000000000B0000-0x000000000015E000-memory.dmp

Filesize
696KB

Download