formbook | 92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19

Analysis

max time kernel
148s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 08:04

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General

Target

92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe
Size

1.1MB
MD5

4863ac582a190c191b7ac02e0e463ac3
SHA1

686cf063bdd59d93a8b0890e73f324df68ae6139
SHA256

92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19
SHA512

1a0b10a9b973b744180a4e849cfe5b05068ff4fa9417eb3313817cc63527706df33d4362accb598249dc5c05cbfe6217143f82d8bdaa708531a4e8fea19ec6fb
SSDEEP

24576:oAHnh+eWsN3skA4RV1Hom2KXMmHapQYCg7myTaDZP5:vh+ZkldoPK8YapQ9ELA

Score

10^/10

formbook ot96 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ot96

Decoy

yclingbear.studio

sxuio.xyz

eon-official-bk-o57v.buzz

teel.management

rusjitu.sbs

ighwald-holdings.info

ummitfinancal.vip

layvalleyconstruction.online

pp-games-efficsecuspon.xyz

ouh.shop

mgltd.services

gshsjwhgsg.fun

eidotijolo.online

yifg.sbs

nline-gaming-ox-mx.xyz

ux-money.info

inergiputraborneo.dev

panish-classes-67016.bond

reightrading.info

23bet.xyz

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/3728-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3728-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3728-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1972-20-0x0000000000B40000-0x0000000000B6F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 644 set thread context of 3728	644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe	82
PID 3728 set thread context of 3536	3728	svchost.exe	56
PID 3728 set thread context of 3536	3728	svchost.exe	56
PID 1972 set thread context of 3536	1972	cmstp.exe	56

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	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3728	svchost.exe
3728	svchost.exe
3728	svchost.exe
3728	svchost.exe
3728	svchost.exe
3728	svchost.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe
1972	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe
3728	svchost.exe
3728	svchost.exe
3728	svchost.exe
3728	svchost.exe
1972	cmstp.exe
1972	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	svchost.exe
Token: SeDebugPrivilege	1972	cmstp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe
644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe
644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 3728	644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe	82
PID 644 wrote to memory of 3728	644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe	82
PID 644 wrote to memory of 3728	644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe	82
PID 644 wrote to memory of 3728	644	92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe	82
PID 3728 wrote to memory of 1972	3728	svchost.exe	90
PID 3728 wrote to memory of 1972	3728	svchost.exe	90
PID 3728 wrote to memory of 1972	3728	svchost.exe	90
PID 1972 wrote to memory of 3492	1972	cmstp.exe	91
PID 1972 wrote to memory of 3492	1972	cmstp.exe	91
PID 1972 wrote to memory of 3492	1972	cmstp.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3536
- C:\Users\Admin\AppData\Local\Temp\92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe
  "C:\Users\Admin\AppData\Local\Temp\92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:644
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\92ea4b0cf6fcc26690114a899d13c975134d5e21b33d2cb6087ef8c336826f19.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:3728
  - - C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.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:1972
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/644-5-0x0000000003CB0000-0x0000000003CB4000-memory.dmp

Filesize
16KB

Download
memory/1972-18-0x0000000000390000-0x00000000003A6000-memory.dmp

Filesize
88KB

Download
memory/1972-20-0x0000000000B40000-0x0000000000B6F000-memory.dmp

Filesize
188KB

Download
memory/1972-17-0x0000000000390000-0x00000000003A6000-memory.dmp

Filesize
88KB

Download
memory/3536-26-0x0000000008AE0000-0x0000000008C1E000-memory.dmp

Filesize
1.2MB

Download
memory/3536-24-0x0000000008AE0000-0x0000000008C1E000-memory.dmp

Filesize
1.2MB

Download
memory/3536-23-0x0000000008AE0000-0x0000000008C1E000-memory.dmp

Filesize
1.2MB

Download
memory/3536-11-0x0000000008650000-0x0000000008792000-memory.dmp

Filesize
1.3MB

Download
memory/3536-15-0x0000000002E20000-0x0000000002F3F000-memory.dmp

Filesize
1.1MB

Download
memory/3536-19-0x0000000002E20000-0x0000000002F3F000-memory.dmp

Filesize
1.1MB

Download
memory/3536-16-0x0000000008650000-0x0000000008792000-memory.dmp

Filesize
1.3MB

Download
memory/3728-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3728-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3728-14-0x0000000003830000-0x0000000003845000-memory.dmp

Filesize
84KB

Download
memory/3728-10-0x0000000001EF0000-0x0000000001F05000-memory.dmp

Filesize
84KB

Download
memory/3728-7-0x0000000001A00000-0x0000000001D4A000-memory.dmp

Filesize
3.3MB

Download
memory/3728-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download