formbook | e008b0307e7470de4160b1d1294e9f80e705b6f60b6f52c1cb5f4e9870750de3

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-10-2024 05:51

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General

Target

66ddac982a848a23964f67c681f398d2.exe
Size

26KB
MD5

66ddac982a848a23964f67c681f398d2
SHA1

0e45e7ad765db4a8adca06d55717c6d0086e07ff
SHA256

e008b0307e7470de4160b1d1294e9f80e705b6f60b6f52c1cb5f4e9870750de3
SHA512

d0e469d0e40cabbac2fbab2011ac80640feefddda72f5d4aaefd0e8a1771f0d41f8a13c0e8dfa7f21fb9de8f27192f4a39413b7255ab03843c4c828cb722df3f
SSDEEP

768:JaVwrXpaWFEFVm3j+oYsqsztHogOeYyGaL0wz:MWEsztIgKy1L0u

Score

10^/10

formbook bopi discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bopi

Decoy

zq4.top

relationship-coach-88497.bond

destekbirimi.xyz

tgh-reg.xyz

pepcapital.net

edunote.media

loans-credits-63765.bond

zhxgtlw.top

rajalele.xyz

ug-tower.asia

agrajter.com

investment-services-44387.bond

yaoxiaocang.fun

23win6.top

used-cars-84168.bond

primesourceglobal.net

indiapostsk.vip

qe2i7cghzpebk.buzz

furniture-27975.bond

fy489tysiot4twoinsr3295y78h.xyz

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/4844-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4844-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/384-23-0x00000000009C0000-0x00000000009EF000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\66ddac982a848a23964f67c681f398d2 = "C:\\Users\\Admin\\Documents\\66ddac982a848a23964f67c681f398d2.pif"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1132 set thread context of 4844	1132	66ddac982a848a23964f67c681f398d2.exe	96
PID 4844 set thread context of 3436	4844	RegAsm.exe	54
PID 384 set thread context of 3436	384	cmmon32.exe	54

System Location Discovery: System Language Discovery 1 TTPs 7 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66ddac982a848a23964f67c681f398d2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
1132	66ddac982a848a23964f67c681f398d2.exe
4844	RegAsm.exe
4844	RegAsm.exe
4844	RegAsm.exe
4844	RegAsm.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe
384	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4844	RegAsm.exe
4844	RegAsm.exe
4844	RegAsm.exe
384	cmmon32.exe
384	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1132	66ddac982a848a23964f67c681f398d2.exe
Token: SeDebugPrivilege	4844	RegAsm.exe
Token: SeDebugPrivilege	384	cmmon32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 220	1132	66ddac982a848a23964f67c681f398d2.exe	90
PID 1132 wrote to memory of 220	1132	66ddac982a848a23964f67c681f398d2.exe	90
PID 1132 wrote to memory of 220	1132	66ddac982a848a23964f67c681f398d2.exe	90
PID 220 wrote to memory of 1764	220	cmd.exe	92
PID 220 wrote to memory of 1764	220	cmd.exe	92
PID 220 wrote to memory of 1764	220	cmd.exe	92
PID 1132 wrote to memory of 700	1132	66ddac982a848a23964f67c681f398d2.exe	93
PID 1132 wrote to memory of 700	1132	66ddac982a848a23964f67c681f398d2.exe	93
PID 1132 wrote to memory of 700	1132	66ddac982a848a23964f67c681f398d2.exe	93
PID 1132 wrote to memory of 4844	1132	66ddac982a848a23964f67c681f398d2.exe	96
PID 1132 wrote to memory of 4844	1132	66ddac982a848a23964f67c681f398d2.exe	96
PID 1132 wrote to memory of 4844	1132	66ddac982a848a23964f67c681f398d2.exe	96
PID 1132 wrote to memory of 4844	1132	66ddac982a848a23964f67c681f398d2.exe	96
PID 1132 wrote to memory of 4844	1132	66ddac982a848a23964f67c681f398d2.exe	96
PID 1132 wrote to memory of 4844	1132	66ddac982a848a23964f67c681f398d2.exe	96
PID 3436 wrote to memory of 384	3436	Explorer.EXE	97
PID 3436 wrote to memory of 384	3436	Explorer.EXE	97
PID 3436 wrote to memory of 384	3436	Explorer.EXE	97
PID 384 wrote to memory of 4276	384	cmmon32.exe	99
PID 384 wrote to memory of 4276	384	cmmon32.exe	99
PID 384 wrote to memory of 4276	384	cmmon32.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\66ddac982a848a23964f67c681f398d2.exe
  "C:\Users\Admin\AppData\Local\Temp\66ddac982a848a23964f67c681f398d2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1132
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "66ddac982a848a23964f67c681f398d2" /t REG_SZ /F /D "C:\Users\Admin\Documents\66ddac982a848a23964f67c681f398d2.pif"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:220
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "66ddac982a848a23964f67c681f398d2" /t REG_SZ /F /D "C:\Users\Admin\Documents\66ddac982a848a23964f67c681f398d2.pif"
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c Copy "C:\Users\Admin\AppData\Local\Temp\66ddac982a848a23964f67c681f398d2.exe" "C:\Users\Admin\Documents\66ddac982a848a23964f67c681f398d2.pif"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:700
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4844
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:384
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/384-22-0x0000000000EF0000-0x0000000000EFC000-memory.dmp

Filesize
48KB

Download
memory/384-21-0x0000000000EF0000-0x0000000000EFC000-memory.dmp

Filesize
48KB

Download
memory/384-23-0x00000000009C0000-0x00000000009EF000-memory.dmp

Filesize
188KB

Download
memory/1132-8-0x00000000063F0000-0x000000000648C000-memory.dmp

Filesize
624KB

Download
memory/1132-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/1132-5-0x00000000061A0000-0x0000000006216000-memory.dmp

Filesize
472KB

Download
memory/1132-6-0x0000000006220000-0x00000000062B4000-memory.dmp

Filesize
592KB

Download
memory/1132-7-0x0000000006140000-0x000000000615E000-memory.dmp

Filesize
120KB

Download
memory/1132-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

Filesize
584KB

Download
memory/1132-9-0x0000000006350000-0x00000000063B6000-memory.dmp

Filesize
408KB

Download
memory/1132-4-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/1132-13-0x0000000006830000-0x000000000683A000-memory.dmp

Filesize
40KB

Download
memory/1132-15-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/1132-1-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/1132-2-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/3436-24-0x00000000070D0000-0x00000000071CA000-memory.dmp

Filesize
1000KB

Download
memory/3436-20-0x00000000070D0000-0x00000000071CA000-memory.dmp

Filesize
1000KB

Download
memory/3436-28-0x0000000002EB0000-0x0000000002F5F000-memory.dmp

Filesize
700KB

Download
memory/4844-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4844-19-0x0000000003220000-0x0000000003234000-memory.dmp

Filesize
80KB

Download
memory/4844-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4844-16-0x0000000002ED0000-0x000000000321A000-memory.dmp

Filesize
3.3MB

Download