formbook | 51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523

Analysis

max time kernel
149s
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
17-01-2025 04:49

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General

Target

51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe
Size

735KB
MD5

0bf812793c1323caa133810d40983cf3
SHA1

e7e27170e59e951cb025fe6e4c07d61a2575a1de
SHA256

51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523
SHA512

78c272f76c5790a6533e3e977adf79d113670f2861fbd2fe55ade458e37604ab4ce93fe831ee31fdd500bff8b8763bf7c2a46e4cc6e9b600623393c860ea5b92
SSDEEP

12288:08gWXV7OLzM4Qd5611jY772u41d11hJeZ9PAYg4aYwmuugLpj85nxrNMZ3qtDfFR:pOZMeTPnJeLPngzB0glj89xrNZZnLn

Score

10^/10

formbook 3nop discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

subur88wap.sbs

tyai1.top

skillbeast.site

kcclassiccars.net

lghomes.net

eijanno.cyou

work-in-usa-60100.bond

268chill.store

bharatwin.biz

cakjitu01.xyz

misafert.xyz

hiretemp.net

lvekz-onearmed.top

amanda-manopo.info

seo-companies22.online

casinowalletth.net

maynrson.monster

bewizi.com

thedronetechhub.shop

car-insurance-93947.bond

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/1956-35-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1956-40-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4156-75-0x0000000000ED0000-0x0000000000EFF000-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
3756	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	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 1956	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	100
PID 1956 set thread context of 3528	1956	RegSvcs.exe	56
PID 4156 set thread context of 3528	4156	colorcpl.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 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	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.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
4384	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe
3756	powershell.exe
448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe
1956	RegSvcs.exe
1956	RegSvcs.exe
1956	RegSvcs.exe
1956	RegSvcs.exe
3756	powershell.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe
4156	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1956	RegSvcs.exe
1956	RegSvcs.exe
1956	RegSvcs.exe
4156	colorcpl.exe
4156	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe
Token: SeDebugPrivilege	3756	powershell.exe
Token: SeDebugPrivilege	1956	RegSvcs.exe
Token: SeDebugPrivilege	4156	colorcpl.exe
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 3756	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	96
PID 448 wrote to memory of 3756	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	96
PID 448 wrote to memory of 3756	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	96
PID 448 wrote to memory of 4384	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	98
PID 448 wrote to memory of 4384	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	98
PID 448 wrote to memory of 4384	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	98
PID 448 wrote to memory of 1956	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	100
PID 448 wrote to memory of 1956	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	100
PID 448 wrote to memory of 1956	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	100
PID 448 wrote to memory of 1956	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	100
PID 448 wrote to memory of 1956	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	100
PID 448 wrote to memory of 1956	448	51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe	100
PID 3528 wrote to memory of 4156	3528	Explorer.EXE	101
PID 3528 wrote to memory of 4156	3528	Explorer.EXE	101
PID 3528 wrote to memory of 4156	3528	Explorer.EXE	101
PID 4156 wrote to memory of 2708	4156	colorcpl.exe	102
PID 4156 wrote to memory of 2708	4156	colorcpl.exe	102
PID 4156 wrote to memory of 2708	4156	colorcpl.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe
  "C:\Users\Admin\AppData\Local\Temp\51d5fbecdf7459fc37ab296b97245a020f31cfd4ac1073f3fb2947a3710a8523.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:448
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VazQLq.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3756
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VazQLq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3999.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4384
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1956
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.exe"
  2⤵
  - 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:4156
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2708

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

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_repk4hcq.0od.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3999.tmp

Filesize
1KB

MD5
a5fc7c67c0a13549fd2d2006d0abf1a0

SHA1
c66c9a79ad93134ee1d1fb30b4bc411284ada0fe

SHA256
3b9c97924ea274f17e5f118a4dbfbbfdecc9bc4c60b3bddec016d8bbdaeddfab

SHA512
7f442c6180a7237e12377ce6e5a9fbc6743197b35198b69aaf22cbf1b8d5018f97e009c40261c3dc30cd9c6ba4c1cb97c930cc384c91860d94671059ea428f98

Download Submit
memory/448-10-0x0000000004740000-0x00000000047B8000-memory.dmp

Filesize
480KB

Download
memory/448-9-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/448-4-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/448-5-0x0000000004C70000-0x0000000004C7A000-memory.dmp

Filesize
40KB

Download
memory/448-6-0x0000000004F90000-0x000000000502C000-memory.dmp

Filesize
624KB

Download
memory/448-7-0x0000000005160000-0x0000000005186000-memory.dmp

Filesize
152KB

Download
memory/448-8-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/448-1-0x00000000001C0000-0x000000000027E000-memory.dmp

Filesize
760KB

Download
memory/448-38-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/448-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/448-2-0x00000000053A0000-0x0000000005944000-memory.dmp

Filesize
5.6MB

Download
memory/448-0-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/1956-35-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1956-41-0x0000000001120000-0x0000000001135000-memory.dmp

Filesize
84KB

Download
memory/1956-37-0x0000000001140000-0x000000000148A000-memory.dmp

Filesize
3.3MB

Download
memory/1956-40-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3528-81-0x0000000008900000-0x0000000008A64000-memory.dmp

Filesize
1.4MB

Download
memory/3528-42-0x00000000083B0000-0x00000000084E6000-memory.dmp

Filesize
1.2MB

Download
memory/3528-76-0x00000000083B0000-0x00000000084E6000-memory.dmp

Filesize
1.2MB

Download
memory/3756-18-0x0000000004F00000-0x0000000005528000-memory.dmp

Filesize
6.2MB

Download
memory/3756-62-0x0000000006C80000-0x0000000006D23000-memory.dmp

Filesize
652KB

Download
memory/3756-33-0x0000000005630000-0x0000000005984000-memory.dmp

Filesize
3.3MB

Download
memory/3756-28-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3756-22-0x0000000004E40000-0x0000000004EA6000-memory.dmp

Filesize
408KB

Download
memory/3756-20-0x0000000004B80000-0x0000000004BA2000-memory.dmp

Filesize
136KB

Download
memory/3756-19-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3756-43-0x0000000005C50000-0x0000000005C6E000-memory.dmp

Filesize
120KB

Download
memory/3756-44-0x00000000061F0000-0x000000000623C000-memory.dmp

Filesize
304KB

Download
memory/3756-15-0x0000000002310000-0x0000000002346000-memory.dmp

Filesize
216KB

Download
memory/3756-17-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3756-47-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3756-48-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3756-49-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3756-50-0x0000000006C40000-0x0000000006C72000-memory.dmp

Filesize
200KB

Download
memory/3756-21-0x0000000004D20000-0x0000000004D86000-memory.dmp

Filesize
408KB

Download
memory/3756-61-0x00000000061B0000-0x00000000061CE000-memory.dmp

Filesize
120KB

Download
memory/3756-51-0x0000000075B90000-0x0000000075BDC000-memory.dmp

Filesize
304KB

Download
memory/3756-64-0x0000000006F80000-0x0000000006F9A000-memory.dmp

Filesize
104KB

Download
memory/3756-63-0x00000000075C0000-0x0000000007C3A000-memory.dmp

Filesize
6.5MB

Download
memory/3756-65-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

Filesize
40KB

Download
memory/3756-66-0x0000000007200000-0x0000000007296000-memory.dmp

Filesize
600KB

Download
memory/3756-67-0x0000000007180000-0x0000000007191000-memory.dmp

Filesize
68KB

Download
memory/3756-68-0x00000000071B0000-0x00000000071BE000-memory.dmp

Filesize
56KB

Download
memory/3756-69-0x00000000071C0000-0x00000000071D4000-memory.dmp

Filesize
80KB

Download
memory/3756-70-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/3756-71-0x00000000072A0000-0x00000000072A8000-memory.dmp

Filesize
32KB

Download
memory/3756-74-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/4156-75-0x0000000000ED0000-0x0000000000EFF000-memory.dmp

Filesize
188KB

Download
memory/4156-45-0x0000000000E20000-0x0000000000E39000-memory.dmp

Filesize
100KB

Download
memory/4156-46-0x0000000000E20000-0x0000000000E39000-memory.dmp

Filesize
100KB

Download