formbook | be21ff97c069397acfcdc32b474526405c93508ca9506e556c43a637dbdf5e57

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 07:58

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General

Target

JUSTIFICANTE.exe
Size

611KB
MD5

dcd0a36007a90578d84114edba6fd535
SHA1

3e26f69b786a3eac007fcea9482baeb273b88e69
SHA256

a2d50617e9588ca9383289eb705aaa0d0834e2a38889fbca326352bc01894d30
SHA512

51fb50bdcf10e90f5cd3a2cf87e7b8ae79a2882f55c3d29e99cdc1c42e72157b607d33d709e0aa2a0065da08963c8130bc1ab0579acfddc2b3329228182623b2
SSDEEP

12288:KL5iAAzCNi+hBr7IUAGnLF7q4D9yE5GL1/pNR0fJTIxYZBG:KNNi+hBr8UAGxXGL10UWZBG

Score

10^/10

formbook c6ns discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c6ns

Decoy

yourherewellness.com

programing.biz

vupay.xyz

adultsexystory.com

mhealthylifestyles.com

lakelanddumpsterrental.net

cashforcarsguru.com

kibbiobank.com

clothingeeff.com

i1is165h.xyz

savingspilots.com

jyano.icu

courageouspeace.com

hypematter.online

lshoxnux3p.com

momatra.com

1orangemail.com

rollerderbyfinland.com

marathonmindsetcollective.com

theblessingscourse.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/2284-5-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2284-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3548-64-0x0000000000BB0000-0x0000000000BDF000-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
3360	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JUSTIFICANTE.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 2284	4828	JUSTIFICANTE.exe	101
PID 2284 set thread context of 3444	2284	JUSTIFICANTE.exe	56
PID 3548 set thread context of 3444	3548	NETSTAT.EXE	56

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 4 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	JUSTIFICANTE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3548	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2284	JUSTIFICANTE.exe
2284	JUSTIFICANTE.exe
2284	JUSTIFICANTE.exe
2284	JUSTIFICANTE.exe
3360	powershell.exe
3360	powershell.exe
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE
3548	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2284	JUSTIFICANTE.exe
2284	JUSTIFICANTE.exe
2284	JUSTIFICANTE.exe
3548	NETSTAT.EXE
3548	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	JUSTIFICANTE.exe
Token: SeDebugPrivilege	3360	powershell.exe
Token: SeDebugPrivilege	3548	NETSTAT.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 3360	4828	JUSTIFICANTE.exe	99
PID 4828 wrote to memory of 3360	4828	JUSTIFICANTE.exe	99
PID 4828 wrote to memory of 3360	4828	JUSTIFICANTE.exe	99
PID 4828 wrote to memory of 2284	4828	JUSTIFICANTE.exe	101
PID 4828 wrote to memory of 2284	4828	JUSTIFICANTE.exe	101
PID 4828 wrote to memory of 2284	4828	JUSTIFICANTE.exe	101
PID 4828 wrote to memory of 2284	4828	JUSTIFICANTE.exe	101
PID 4828 wrote to memory of 2284	4828	JUSTIFICANTE.exe	101
PID 4828 wrote to memory of 2284	4828	JUSTIFICANTE.exe	101
PID 3444 wrote to memory of 3548	3444	Explorer.EXE	102
PID 3444 wrote to memory of 3548	3444	Explorer.EXE	102
PID 3444 wrote to memory of 3548	3444	Explorer.EXE	102
PID 3548 wrote to memory of 2844	3548	NETSTAT.EXE	103
PID 3548 wrote to memory of 2844	3548	NETSTAT.EXE	103
PID 3548 wrote to memory of 2844	3548	NETSTAT.EXE	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE.exe
  "C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3360
- - C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE.exe
    "C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2284
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3548
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\__PSScriptPolicyTest_tx2hfszf.o2y.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2284-5-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2284-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2284-11-0x0000000001460000-0x0000000001475000-memory.dmp

Filesize
84KB

Download
memory/2284-8-0x0000000001940000-0x0000000001C8A000-memory.dmp

Filesize
3.3MB

Download
memory/3360-52-0x0000000007710000-0x00000000077A6000-memory.dmp

Filesize
600KB

Download
memory/3360-34-0x0000000006730000-0x0000000006762000-memory.dmp

Filesize
200KB

Download
memory/3360-61-0x00000000077B0000-0x00000000077B8000-memory.dmp

Filesize
32KB

Download
memory/3360-60-0x00000000077D0000-0x00000000077EA000-memory.dmp

Filesize
104KB

Download
memory/3360-59-0x00000000076D0000-0x00000000076E4000-memory.dmp

Filesize
80KB

Download
memory/3360-12-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/3360-58-0x00000000076C0000-0x00000000076CE000-memory.dmp

Filesize
56KB

Download
memory/3360-15-0x0000000004BB0000-0x0000000004BE6000-memory.dmp

Filesize
216KB

Download
memory/3360-14-0x0000000004BF0000-0x0000000004C00000-memory.dmp

Filesize
64KB

Download
memory/3360-16-0x0000000004BF0000-0x0000000004C00000-memory.dmp

Filesize
64KB

Download
memory/3360-17-0x0000000005230000-0x0000000005858000-memory.dmp

Filesize
6.2MB

Download
memory/3360-18-0x00000000051A0000-0x00000000051C2000-memory.dmp

Filesize
136KB

Download
memory/3360-19-0x0000000005A90000-0x0000000005AF6000-memory.dmp

Filesize
408KB

Download
memory/3360-20-0x0000000005B70000-0x0000000005BD6000-memory.dmp

Filesize
408KB

Download
memory/3360-56-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/3360-30-0x0000000005CE0000-0x0000000006034000-memory.dmp

Filesize
3.3MB

Download
memory/3360-31-0x0000000006160000-0x000000000617E000-memory.dmp

Filesize
120KB

Download
memory/3360-32-0x00000000061A0000-0x00000000061EC000-memory.dmp

Filesize
304KB

Download
memory/3360-33-0x000000007F5E0000-0x000000007F5F0000-memory.dmp

Filesize
64KB

Download
memory/3360-53-0x0000000007690000-0x00000000076A1000-memory.dmp

Filesize
68KB

Download
memory/3360-35-0x0000000070290000-0x00000000702DC000-memory.dmp

Filesize
304KB

Download
memory/3360-46-0x0000000004BF0000-0x0000000004C00000-memory.dmp

Filesize
64KB

Download
memory/3360-45-0x0000000004BF0000-0x0000000004C00000-memory.dmp

Filesize
64KB

Download
memory/3360-47-0x0000000007320000-0x000000000733E000-memory.dmp

Filesize
120KB

Download
memory/3360-48-0x0000000007350000-0x00000000073F3000-memory.dmp

Filesize
652KB

Download
memory/3360-49-0x0000000007AD0000-0x000000000814A000-memory.dmp

Filesize
6.5MB

Download
memory/3360-50-0x0000000007490000-0x00000000074AA000-memory.dmp

Filesize
104KB

Download
memory/3360-51-0x0000000007500000-0x000000000750A000-memory.dmp

Filesize
40KB

Download
memory/3444-57-0x0000000002400000-0x00000000024FB000-memory.dmp

Filesize
1004KB

Download
memory/3444-13-0x0000000002400000-0x00000000024FB000-memory.dmp

Filesize
1004KB

Download
memory/3444-68-0x0000000003D30000-0x0000000003DEB000-memory.dmp

Filesize
748KB

Download
memory/3548-54-0x0000000000930000-0x000000000093B000-memory.dmp

Filesize
44KB

Download
memory/3548-55-0x0000000000930000-0x000000000093B000-memory.dmp

Filesize
44KB

Download
memory/3548-64-0x0000000000BB0000-0x0000000000BDF000-memory.dmp

Filesize
188KB

Download
memory/4828-0-0x00000000745E2000-0x00000000745E3000-memory.dmp

Filesize
4KB

Download
memory/4828-7-0x00000000745E0000-0x0000000074B91000-memory.dmp

Filesize
5.7MB

Download
memory/4828-1-0x00000000745E0000-0x0000000074B91000-memory.dmp

Filesize
5.7MB

Download
memory/4828-2-0x00000000745E0000-0x0000000074B91000-memory.dmp

Filesize
5.7MB

Download
memory/4828-3-0x00000000745E2000-0x00000000745E3000-memory.dmp

Filesize
4KB

Download
memory/4828-4-0x00000000745E0000-0x0000000074B91000-memory.dmp

Filesize
5.7MB

Download