formbook | 89ae7b9ef0c8808f0f84c668065771881555164872af93422ba83745a12c359f

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 10:12

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General

Target

5089124.exe
Size

603KB
MD5

5a7b139855700ca803dbc54daa52567e
SHA1

ed76b03d085d9a11a410c4f2bfa056d6c9639176
SHA256

223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001
SHA512

64def05a152fc1c10ef1c8d27e27ef33338dabb5665d8d6897f6d7db0388cfbfc2a42a808ecdda96ce32d7dd14221ba4c84a22333626f26b40036fd0a83d6d2c
SSDEEP

12288:QOq8bQbKxrRaWJyBpk5Qs+/hsJntO3XOJWkdzdwSjNenBr0Q+p/PKxxQtmvV:Q0IKxhJwkO/intOOJNdz6ENGBYTZaN

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3992-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3992-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2680-70-0x0000000000780000-0x00000000007AF000-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
2628	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	5089124.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 740 set thread context of 3992	740	5089124.exe	90
PID 3992 set thread context of 3444	3992	5089124.exe	56
PID 2680 set thread context of 3444	2680	svchost.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	5089124.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
740	5089124.exe
740	5089124.exe
3992	5089124.exe
3992	5089124.exe
3992	5089124.exe
3992	5089124.exe
2628	powershell.exe
2628	powershell.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe
2680	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3992	5089124.exe
3992	5089124.exe
3992	5089124.exe
2680	svchost.exe
2680	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	5089124.exe
Token: SeDebugPrivilege	3992	5089124.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	2680	svchost.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 2628	740	5089124.exe	89
PID 740 wrote to memory of 2628	740	5089124.exe	89
PID 740 wrote to memory of 2628	740	5089124.exe	89
PID 740 wrote to memory of 3992	740	5089124.exe	90
PID 740 wrote to memory of 3992	740	5089124.exe	90
PID 740 wrote to memory of 3992	740	5089124.exe	90
PID 740 wrote to memory of 3992	740	5089124.exe	90
PID 740 wrote to memory of 3992	740	5089124.exe	90
PID 740 wrote to memory of 3992	740	5089124.exe	90
PID 3444 wrote to memory of 2680	3444	Explorer.EXE	92
PID 3444 wrote to memory of 2680	3444	Explorer.EXE	92
PID 3444 wrote to memory of 2680	3444	Explorer.EXE	92
PID 2680 wrote to memory of 1760	2680	svchost.exe	93
PID 2680 wrote to memory of 1760	2680	svchost.exe	93
PID 2680 wrote to memory of 1760	2680	svchost.exe	93

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\5089124.exe
  "C:\Users\Admin\AppData\Local\Temp\5089124.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:740
- - 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\5089124.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- - C:\Users\Admin\AppData\Local\Temp\5089124.exe
    "C:\Users\Admin\AppData\Local\Temp\5089124.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3992
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2680
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\5089124.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1760

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_4cz4i1zr.4xj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/740-6-0x0000000007640000-0x0000000007652000-memory.dmp

Filesize
72KB

Download
memory/740-2-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download
memory/740-3-0x00000000055D0000-0x0000000005662000-memory.dmp

Filesize
584KB

Download
memory/740-4-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/740-5-0x0000000005780000-0x000000000578A000-memory.dmp

Filesize
40KB

Download
memory/740-14-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/740-7-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/740-8-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/740-9-0x00000000078F0000-0x0000000007966000-memory.dmp

Filesize
472KB

Download
memory/740-10-0x000000000A030000-0x000000000A0CC000-memory.dmp

Filesize
624KB

Download
memory/740-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/740-1-0x0000000000B30000-0x0000000000BCE000-memory.dmp

Filesize
632KB

Download
memory/2628-19-0x0000000002BE0000-0x0000000002C16000-memory.dmp

Filesize
216KB

Download
memory/2628-36-0x0000000005EC0000-0x0000000006214000-memory.dmp

Filesize
3.3MB

Download
memory/2628-63-0x0000000007A60000-0x0000000007A74000-memory.dmp

Filesize
80KB

Download
memory/2628-62-0x0000000007A50000-0x0000000007A5E000-memory.dmp

Filesize
56KB

Download
memory/2628-20-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2628-22-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2628-21-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/2628-60-0x0000000007AA0000-0x0000000007B36000-memory.dmp

Filesize
600KB

Download
memory/2628-26-0x0000000005C80000-0x0000000005CE6000-memory.dmp

Filesize
408KB

Download
memory/2628-25-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2628-24-0x00000000055C0000-0x0000000005626000-memory.dmp

Filesize
408KB

Download
memory/2628-23-0x0000000005510000-0x0000000005532000-memory.dmp

Filesize
136KB

Download
memory/2628-65-0x0000000007B40000-0x0000000007B48000-memory.dmp

Filesize
32KB

Download
memory/2628-64-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/2628-37-0x00000000064B0000-0x00000000064CE000-memory.dmp

Filesize
120KB

Download
memory/2628-38-0x0000000006500000-0x000000000654C000-memory.dmp

Filesize
304KB

Download
memory/2628-39-0x0000000007490000-0x00000000074C2000-memory.dmp

Filesize
200KB

Download
memory/2628-50-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2628-40-0x0000000070C00000-0x0000000070C4C000-memory.dmp

Filesize
304KB

Download
memory/2628-51-0x0000000006AB0000-0x0000000006ACE000-memory.dmp

Filesize
120KB

Download
memory/2628-52-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2628-53-0x00000000074D0000-0x0000000007573000-memory.dmp

Filesize
652KB

Download
memory/2628-68-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2628-61-0x0000000007A20000-0x0000000007A31000-memory.dmp

Filesize
68KB

Download
memory/2628-57-0x0000000007E70000-0x00000000084EA000-memory.dmp

Filesize
6.5MB

Download
memory/2628-58-0x0000000007820000-0x000000000783A000-memory.dmp

Filesize
104KB

Download
memory/2628-59-0x0000000007890000-0x000000000789A000-memory.dmp

Filesize
40KB

Download
memory/2680-54-0x0000000000510000-0x000000000051E000-memory.dmp

Filesize
56KB

Download
memory/2680-56-0x0000000000510000-0x000000000051E000-memory.dmp

Filesize
56KB

Download
memory/2680-70-0x0000000000780000-0x00000000007AF000-memory.dmp

Filesize
188KB

Download
memory/3444-18-0x0000000007FA0000-0x00000000080DF000-memory.dmp

Filesize
1.2MB

Download
memory/3444-69-0x0000000007FA0000-0x00000000080DF000-memory.dmp

Filesize
1.2MB

Download
memory/3444-75-0x00000000027B0000-0x0000000002853000-memory.dmp

Filesize
652KB

Download
memory/3992-17-0x00000000016A0000-0x00000000016B4000-memory.dmp

Filesize
80KB

Download
memory/3992-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3992-13-0x0000000001740000-0x0000000001A8A000-memory.dmp

Filesize
3.3MB

Download
memory/3992-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download