formbook | 0de4e3a3369c54bbbe28f98ce2047004aa9622b52f475fc9e4c7688505828f5a

Analysis

max time kernel
148s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 13:41

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General

Target

docs.exe
Size

723KB
MD5

136dcc6497b13fe87bbad4aa5f859593
SHA1

9da85420d2681d65df6757f44a0c8055ce6c1fba
SHA256

c89c37f0b5dc89251da6c37aa8e1071c43d52c80fd2326f1e6de8dcd5eaf0dfc
SHA512

5e842aa0858845c4322c847fd2497cfe515a2ed62e36337978a020c061d6555cb19dbac58c6c988a97d3bfd88de66bfc4a4e96bf1c46e78d94c2435051cd1c91
SSDEEP

12288:21ZF8Kz3TPb4DryC6L1+0rs/yo05u30HzdHpGo1UV60QFLZSkR:2yeyrUp1o/4HiV60sZh

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1788-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1788-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1788-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4604-72-0x0000000000D80000-0x0000000000DAF000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	docs.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3448 set thread context of 1788	3448	docs.exe	91
PID 1788 set thread context of 3452	1788	docs.exe	56
PID 1788 set thread context of 3452	1788	docs.exe	56
PID 4604 set thread context of 3452	4604	wscript.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	docs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	docs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3448	docs.exe
3448	docs.exe
1788	docs.exe
1788	docs.exe
1788	docs.exe
1788	docs.exe
3756	powershell.exe
3756	powershell.exe
1788	docs.exe
1788	docs.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe
4604	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1788	docs.exe
1788	docs.exe
1788	docs.exe
1788	docs.exe
4604	wscript.exe
4604	wscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3448	docs.exe
Token: SeDebugPrivilege	1788	docs.exe
Token: SeDebugPrivilege	3756	powershell.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeDebugPrivilege	4604	wscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 3756	3448	docs.exe	89
PID 3448 wrote to memory of 3756	3448	docs.exe	89
PID 3448 wrote to memory of 3756	3448	docs.exe	89
PID 3448 wrote to memory of 1788	3448	docs.exe	91
PID 3448 wrote to memory of 1788	3448	docs.exe	91
PID 3448 wrote to memory of 1788	3448	docs.exe	91
PID 3448 wrote to memory of 1788	3448	docs.exe	91
PID 3448 wrote to memory of 1788	3448	docs.exe	91
PID 3448 wrote to memory of 1788	3448	docs.exe	91
PID 1788 wrote to memory of 4604	1788	docs.exe	92
PID 1788 wrote to memory of 4604	1788	docs.exe	92
PID 1788 wrote to memory of 4604	1788	docs.exe	92
PID 4604 wrote to memory of 2132	4604	wscript.exe	93
PID 4604 wrote to memory of 2132	4604	wscript.exe	93
PID 4604 wrote to memory of 2132	4604	wscript.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\docs.exe
  "C:\Users\Admin\AppData\Local\Temp\docs.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:3448
- - 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\docs.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3756
- - C:\Users\Admin\AppData\Local\Temp\docs.exe
    "C:\Users\Admin\AppData\Local\Temp\docs.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:1788
  - - C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.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:4604
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\docs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2132

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d0uurkn2.f1p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1788-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1788-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1788-20-0x0000000000BF0000-0x0000000000C04000-memory.dmp

Filesize
80KB

Download
memory/1788-68-0x0000000000C70000-0x0000000000C84000-memory.dmp

Filesize
80KB

Download
memory/1788-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1788-14-0x0000000000F60000-0x00000000012AA000-memory.dmp

Filesize
3.3MB

Download
memory/3448-10-0x000000000AB40000-0x000000000ABDC000-memory.dmp

Filesize
624KB

Download
memory/3448-5-0x0000000004C20000-0x0000000004C2A000-memory.dmp

Filesize
40KB

Download
memory/3448-9-0x00000000025B0000-0x0000000002626000-memory.dmp

Filesize
472KB

Download
memory/3448-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/3448-7-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/3448-13-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3448-6-0x0000000005150000-0x000000000516E000-memory.dmp

Filesize
120KB

Download
memory/3448-1-0x00000000002A0000-0x0000000000358000-memory.dmp

Filesize
736KB

Download
memory/3448-2-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/3448-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

Filesize
584KB

Download
memory/3448-8-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3448-4-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3452-21-0x0000000002E70000-0x0000000002FC0000-memory.dmp

Filesize
1.3MB

Download
memory/3452-69-0x0000000008A40000-0x0000000008B7A000-memory.dmp

Filesize
1.2MB

Download
memory/3452-73-0x0000000008A40000-0x0000000008B7A000-memory.dmp

Filesize
1.2MB

Download
memory/3452-76-0x0000000008B80000-0x0000000008CF0000-memory.dmp

Filesize
1.4MB

Download
memory/3756-27-0x0000000005FA0000-0x00000000062F4000-memory.dmp

Filesize
3.3MB

Download
memory/3756-57-0x0000000007B10000-0x0000000007B21000-memory.dmp

Filesize
68KB

Download
memory/3756-25-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/3756-24-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/3756-37-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/3756-38-0x0000000006680000-0x00000000066CC000-memory.dmp

Filesize
304KB

Download
memory/3756-40-0x00000000003E0000-0x000000000044D000-memory.dmp

Filesize
436KB

Download
memory/3756-39-0x0000000006BB0000-0x0000000006BE2000-memory.dmp

Filesize
200KB

Download
memory/3756-41-0x00000000702D0000-0x000000007031C000-memory.dmp

Filesize
304KB

Download
memory/3756-51-0x0000000006B90000-0x0000000006BAE000-memory.dmp

Filesize
120KB

Download
memory/3756-52-0x00000000077C0000-0x0000000007863000-memory.dmp

Filesize
652KB

Download
memory/3756-53-0x0000000007F60000-0x00000000085DA000-memory.dmp

Filesize
6.5MB

Download
memory/3756-54-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/3756-55-0x0000000007980000-0x000000000798A000-memory.dmp

Filesize
40KB

Download
memory/3756-56-0x0000000007B90000-0x0000000007C26000-memory.dmp

Filesize
600KB

Download
memory/3756-26-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/3756-58-0x0000000007B40000-0x0000000007B4E000-memory.dmp

Filesize
56KB

Download
memory/3756-59-0x0000000007B50000-0x0000000007B64000-memory.dmp

Filesize
80KB

Download
memory/3756-60-0x0000000007C50000-0x0000000007C6A000-memory.dmp

Filesize
104KB

Download
memory/3756-61-0x0000000007C30000-0x0000000007C38000-memory.dmp

Filesize
32KB

Download
memory/3756-64-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/3756-65-0x00000000003E0000-0x000000000044D000-memory.dmp

Filesize
436KB

Download
memory/3756-17-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/3756-23-0x0000000005730000-0x0000000005D58000-memory.dmp

Filesize
6.2MB

Download
memory/3756-19-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/3756-15-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/3756-16-0x0000000004FA0000-0x0000000004FD6000-memory.dmp

Filesize
216KB

Download
memory/4604-72-0x0000000000D80000-0x0000000000DAF000-memory.dmp

Filesize
188KB

Download
memory/4604-70-0x0000000000B60000-0x0000000000B87000-memory.dmp

Filesize
156KB

Download
memory/4604-71-0x0000000000B60000-0x0000000000B87000-memory.dmp

Filesize
156KB

Download