formbook | 36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2025 03:02

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General

Target

36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
Size

801KB
MD5

dd46446038384fd77e9b50707d3ed26e
SHA1

6b888ea643545bb6cc406c4f460d0d71c0753b32
SHA256

36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac
SHA512

2651b26968f5d92d8e3bf484feefe249b3d606e4cafa1769e355305ba88587cb90b8946254c42c7299cb562011a140710d39879b88b26da7c653c17bcd813e24
SSDEEP

12288:nzSggsixmj5PLgm+++lMaVqskZO2kvvfRZzQPBXZGdygv4kOz3kfgq:nzm4kNNVqsaVkvH0PBXSygBOgg

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.xyz

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/2564-84-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5064-89-0x0000000000CB0000-0x0000000000CDF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
5080	powershell.exe
628	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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 2564	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	90
PID 2564 set thread context of 3400	2564	RegSvcs.exe	56
PID 5064 set thread context of 3400	5064	control.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 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	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	control.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
4348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
5080	powershell.exe
5080	powershell.exe
1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
628	powershell.exe
628	powershell.exe
1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
2564	RegSvcs.exe
2564	RegSvcs.exe
2564	RegSvcs.exe
2564	RegSvcs.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe
5064	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2564	RegSvcs.exe
2564	RegSvcs.exe
2564	RegSvcs.exe
5064	control.exe
5064	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
Token: SeDebugPrivilege	5080	powershell.exe
Token: SeDebugPrivilege	628	powershell.exe
Token: SeDebugPrivilege	2564	RegSvcs.exe
Token: SeDebugPrivilege	5064	control.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3400	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 5080	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	84
PID 1040 wrote to memory of 5080	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	84
PID 1040 wrote to memory of 5080	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	84
PID 1040 wrote to memory of 628	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	86
PID 1040 wrote to memory of 628	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	86
PID 1040 wrote to memory of 628	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	86
PID 1040 wrote to memory of 4348	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	88
PID 1040 wrote to memory of 4348	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	88
PID 1040 wrote to memory of 4348	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	88
PID 1040 wrote to memory of 2564	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	90
PID 1040 wrote to memory of 2564	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	90
PID 1040 wrote to memory of 2564	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	90
PID 1040 wrote to memory of 2564	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	90
PID 1040 wrote to memory of 2564	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	90
PID 1040 wrote to memory of 2564	1040	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	90
PID 3400 wrote to memory of 5064	3400	Explorer.EXE	91
PID 3400 wrote to memory of 5064	3400	Explorer.EXE	91
PID 3400 wrote to memory of 5064	3400	Explorer.EXE	91
PID 5064 wrote to memory of 2800	5064	control.exe	92
PID 5064 wrote to memory of 2800	5064	control.exe	92
PID 5064 wrote to memory of 2800	5064	control.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Users\Admin\AppData\Local\Temp\36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
  "C:\Users\Admin\AppData\Local\Temp\36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.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:1040
- - 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\36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5080
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WtuAQDhPxPj.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:628
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WtuAQDhPxPj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp177B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4348
- - 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:2564
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:5064
- - 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:2800

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
104B

MD5
ec5998756f8c7af999699e8014db0316

SHA1
cabce24e9ab3545e5713a5ef6e4fc4e344f1125e

SHA256
e28f288923b931ba374c5ddebfab206986894fc7c18605371a08a04ebe7c7b75

SHA512
f89c0791b3cc6992f855e36252c83812381fabba8ea9af7738dd19d0e10da1e938eda1849a8f3097fb9b44efb95fe9344a6ce8fa8a90d7a24c2400387d37bda1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ice2kson.gdp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp177B.tmp

Filesize
1KB

MD5
0b97750ed9d87964c1b327aaf69d7f8b

SHA1
a8b16c72953f27f82381b9793e91015d1fb4704b

SHA256
c977c8b1ba7a60a7d19ce09783aa03b98cc95f967fca12515fb73afc99b8a10e

SHA512
6709a8a9b3aaca2322b9c9ac3dfebdab4962e54203eda5eb20eaa91bbc22ba3be9f823454423ad84410bb89aba99b86a8655e8b491ed405b9ae3cbae2453cf21

Download Submit
memory/628-34-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/628-67-0x000000006F780000-0x000000006F7CC000-memory.dmp

Filesize
304KB

Download
memory/628-81-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/628-35-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-6-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/1040-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/1040-9-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-10-0x0000000002780000-0x00000000027F8000-memory.dmp

Filesize
480KB

Download
memory/1040-1-0x0000000000490000-0x000000000055E000-memory.dmp

Filesize
824KB

Download
memory/1040-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/1040-33-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-2-0x0000000005450000-0x00000000059F4000-memory.dmp

Filesize
5.6MB

Download
memory/1040-86-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-8-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/1040-7-0x0000000005B00000-0x0000000005B1E000-memory.dmp

Filesize
120KB

Download
memory/1040-5-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-4-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

Filesize
40KB

Download
memory/2564-84-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3400-92-0x0000000002D20000-0x0000000002E4B000-memory.dmp

Filesize
1.2MB

Download
memory/5064-88-0x0000000000EF0000-0x0000000000F17000-memory.dmp

Filesize
156KB

Download
memory/5064-89-0x0000000000CB0000-0x0000000000CDF000-memory.dmp

Filesize
188KB

Download
memory/5080-12-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-46-0x000000006F780000-0x000000006F7CC000-memory.dmp

Filesize
304KB

Download
memory/5080-56-0x0000000007A40000-0x0000000007A5E000-memory.dmp

Filesize
120KB

Download
memory/5080-57-0x0000000007A70000-0x0000000007B13000-memory.dmp

Filesize
652KB

Download
memory/5080-45-0x0000000006E50000-0x0000000006E82000-memory.dmp

Filesize
200KB

Download
memory/5080-58-0x00000000081F0000-0x000000000886A000-memory.dmp

Filesize
6.5MB

Download
memory/5080-59-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

Filesize
104KB

Download
memory/5080-60-0x0000000007C10000-0x0000000007C1A000-memory.dmp

Filesize
40KB

Download
memory/5080-61-0x0000000007E20000-0x0000000007EB6000-memory.dmp

Filesize
600KB

Download
memory/5080-62-0x0000000007DA0000-0x0000000007DB1000-memory.dmp

Filesize
68KB

Download
memory/5080-63-0x0000000007DD0000-0x0000000007DDE000-memory.dmp

Filesize
56KB

Download
memory/5080-64-0x0000000007DE0000-0x0000000007DF4000-memory.dmp

Filesize
80KB

Download
memory/5080-65-0x0000000007EE0000-0x0000000007EFA000-memory.dmp

Filesize
104KB

Download
memory/5080-66-0x0000000007EC0000-0x0000000007EC8000-memory.dmp

Filesize
32KB

Download
memory/5080-29-0x00000000068B0000-0x00000000068FC000-memory.dmp

Filesize
304KB

Download
memory/5080-78-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-28-0x0000000006870000-0x000000000688E000-memory.dmp

Filesize
120KB

Download
memory/5080-27-0x00000000062B0000-0x0000000006604000-memory.dmp

Filesize
3.3MB

Download
memory/5080-16-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/5080-17-0x0000000006240000-0x00000000062A6000-memory.dmp

Filesize
408KB

Download
memory/5080-15-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/5080-14-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-13-0x0000000005A40000-0x0000000006068000-memory.dmp

Filesize
6.2MB

Download
memory/5080-11-0x0000000002F50000-0x0000000002F86000-memory.dmp

Filesize
216KB

Download