formbook | 6dc1bba66cba9a4ee7a5156375e1935bd30c6b1022bea4082fb3714ce5c73e07

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 15:57

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General

Target

RFQ1024.exe
Size

588KB
MD5

3429170427053d7d39dc81b889d0097e
SHA1

8631c8767beda82b2b14f2de215d745e512f3ea2
SHA256

6dc1bba66cba9a4ee7a5156375e1935bd30c6b1022bea4082fb3714ce5c73e07
SHA512

8c73ee16f331104895c338476146053b488a7695bcefbf9dea44385ba671ed31be065a03c30ae79a8118e02668f6a0fcaae5bf06d476c92156f0c4c6a4af2d6b
SSDEEP

12288:pBtLYydPGLVH+xV4QL/ywRMufCXgnWusDYdhjB5gjYsSOBddtTJzkR:pBRFtGJ+xVbLvRM3XOWusDeNOjYs0

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/2412-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2412-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1580-69-0x00000000005D0000-0x00000000005FF000-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
1100	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	RFQ1024.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1020 set thread context of 2412	1020	RFQ1024.exe	86
PID 2412 set thread context of 3464	2412	RFQ1024.exe	56
PID 1580 set thread context of 3464	1580	raserver.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	RFQ1024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1020	RFQ1024.exe
1020	RFQ1024.exe
2412	RFQ1024.exe
2412	RFQ1024.exe
2412	RFQ1024.exe
2412	RFQ1024.exe
1100	powershell.exe
1100	powershell.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe
1580	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2412	RFQ1024.exe
2412	RFQ1024.exe
2412	RFQ1024.exe
1580	raserver.exe
1580	raserver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	RFQ1024.exe
Token: SeDebugPrivilege	2412	RFQ1024.exe
Token: SeDebugPrivilege	1100	powershell.exe
Token: SeDebugPrivilege	1580	raserver.exe
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 1100	1020	RFQ1024.exe	84
PID 1020 wrote to memory of 1100	1020	RFQ1024.exe	84
PID 1020 wrote to memory of 1100	1020	RFQ1024.exe	84
PID 1020 wrote to memory of 2412	1020	RFQ1024.exe	86
PID 1020 wrote to memory of 2412	1020	RFQ1024.exe	86
PID 1020 wrote to memory of 2412	1020	RFQ1024.exe	86
PID 1020 wrote to memory of 2412	1020	RFQ1024.exe	86
PID 1020 wrote to memory of 2412	1020	RFQ1024.exe	86
PID 1020 wrote to memory of 2412	1020	RFQ1024.exe	86
PID 3464 wrote to memory of 1580	3464	Explorer.EXE	87
PID 3464 wrote to memory of 1580	3464	Explorer.EXE	87
PID 3464 wrote to memory of 1580	3464	Explorer.EXE	87
PID 1580 wrote to memory of 2932	1580	raserver.exe	88
PID 1580 wrote to memory of 2932	1580	raserver.exe	88
PID 1580 wrote to memory of 2932	1580	raserver.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\RFQ1024.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ1024.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:1020
- - 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\RFQ1024.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1100
- - C:\Users\Admin\AppData\Local\Temp\RFQ1024.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ1024.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2412
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:1580
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\RFQ1024.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2932

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_pfnf3arl.pwc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1020-6-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/1020-2-0x0000000005430000-0x00000000059D4000-memory.dmp

Filesize
5.6MB

Download
memory/1020-3-0x0000000004F20000-0x0000000004FB2000-memory.dmp

Filesize
584KB

Download
memory/1020-4-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/1020-5-0x00000000050B0000-0x00000000050BA000-memory.dmp

Filesize
40KB

Download
memory/1020-0-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/1020-7-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/1020-8-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/1020-9-0x00000000067F0000-0x0000000006866000-memory.dmp

Filesize
472KB

Download
memory/1020-10-0x0000000008E90000-0x0000000008F2C000-memory.dmp

Filesize
624KB

Download
memory/1020-1-0x0000000000470000-0x0000000000506000-memory.dmp

Filesize
600KB

Download
memory/1020-13-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/1100-26-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Filesize
408KB

Download
memory/1100-40-0x0000000071200000-0x000000007124C000-memory.dmp

Filesize
304KB

Download
memory/1100-68-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/1100-19-0x00000000753EE000-0x00000000753EF000-memory.dmp

Filesize
4KB

Download
memory/1100-65-0x0000000007E30000-0x0000000007E38000-memory.dmp

Filesize
32KB

Download
memory/1100-20-0x00000000051D0000-0x0000000005206000-memory.dmp

Filesize
216KB

Download
memory/1100-22-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/1100-21-0x0000000005840000-0x0000000005E68000-memory.dmp

Filesize
6.2MB

Download
memory/1100-23-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/1100-24-0x0000000005690000-0x00000000056B2000-memory.dmp

Filesize
136KB

Download
memory/1100-25-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/1100-64-0x0000000007E50000-0x0000000007E6A000-memory.dmp

Filesize
104KB

Download
memory/1100-63-0x0000000007D50000-0x0000000007D64000-memory.dmp

Filesize
80KB

Download
memory/1100-36-0x00000000062D0000-0x0000000006624000-memory.dmp

Filesize
3.3MB

Download
memory/1100-37-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/1100-38-0x0000000006830000-0x000000000687C000-memory.dmp

Filesize
304KB

Download
memory/1100-41-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/1100-62-0x0000000007D40000-0x0000000007D4E000-memory.dmp

Filesize
56KB

Download
memory/1100-39-0x0000000006DD0000-0x0000000006E02000-memory.dmp

Filesize
200KB

Download
memory/1100-51-0x0000000006D80000-0x0000000006D9E000-memory.dmp

Filesize
120KB

Download
memory/1100-52-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/1100-53-0x0000000006E10000-0x0000000006EB3000-memory.dmp

Filesize
652KB

Download
memory/1100-54-0x0000000008150000-0x00000000087CA000-memory.dmp

Filesize
6.5MB

Download
memory/1100-55-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/1100-61-0x0000000007D10000-0x0000000007D21000-memory.dmp

Filesize
68KB

Download
memory/1100-60-0x0000000007D90000-0x0000000007E26000-memory.dmp

Filesize
600KB

Download
memory/1100-59-0x0000000007B80000-0x0000000007B8A000-memory.dmp

Filesize
40KB

Download
memory/1580-58-0x00000000002F0000-0x000000000030F000-memory.dmp

Filesize
124KB

Download
memory/1580-56-0x00000000002F0000-0x000000000030F000-memory.dmp

Filesize
124KB

Download
memory/1580-69-0x00000000005D0000-0x00000000005FF000-memory.dmp

Filesize
188KB

Download
memory/2412-17-0x0000000000CD0000-0x0000000000CE4000-memory.dmp

Filesize
80KB

Download
memory/2412-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2412-14-0x0000000001230000-0x000000000157A000-memory.dmp

Filesize
3.3MB

Download
memory/2412-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3464-18-0x00000000031B0000-0x000000000330B000-memory.dmp

Filesize
1.4MB

Download
memory/3464-73-0x00000000087E0000-0x00000000088F9000-memory.dmp

Filesize
1.1MB

Download