formbook | 556ff3626a7aa8ab83182c0d09607374171a3cca26f518d8e552d19e4dfffe26

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 06:08

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General

Target

Barisan baharu 1.exe
Size

669KB
MD5

c52ea876f58edb9e098c468246cb3c45
SHA1

321ea4228f13cf39458031650a113b8304728b24
SHA256

f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50
SHA512

473ebb28bd20be55942cbc07782391a6077532188f41c19d0dc1b3ac4bcce4c7f54ce5f1a88acdb23157ca8fb3ec1fa28a75f174bc6d1cf5ad0bc7903b0cdc9d
SSDEEP

12288:fpMgHlCsDN+a1BTGSzFFZ6hCH3xGPAs1f+6YDl6BZCLJGvT6cOwRhk8lPVR6/LkC:fpM+U6cOwRPlPm2COaECPU5

Score

10^/10

formbook o27a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o27a

Decoy

rfmag.club

zkskzt.xyz

prestitiprivatodaviden26.space

topfxvn.com

irreverentlabs.net

untosuit.com

conquestdevelopmentgroup.com

meterarchitects.com

gwendolyngantt.com

1xpromocode.site

sellloooofolk.xyz

alonzorobertsunderwriting.info

harisalikhan.com

gocqsf.com

carrotstay.xyz

fortumex.com

xiaosage18.xyz

archeage-unchained.com

logicskopisch.world

xj9j.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1572-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1712-25-0x00000000000D0000-0x00000000000FF000-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
2612	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 1572	2316	Barisan baharu 1.exe	35
PID 1572 set thread context of 1200	1572	RegSvcs.exe	21
PID 1712 set thread context of 1200	1712	cmstp.exe	21

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	Barisan baharu 1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2316	Barisan baharu 1.exe
2316	Barisan baharu 1.exe
1572	RegSvcs.exe
1572	RegSvcs.exe
2612	powershell.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe
1712	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1572	RegSvcs.exe
1572	RegSvcs.exe
1572	RegSvcs.exe
1712	cmstp.exe
1712	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	Barisan baharu 1.exe
Token: SeDebugPrivilege	1572	RegSvcs.exe
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	1712	cmstp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2612	2316	Barisan baharu 1.exe	31
PID 2316 wrote to memory of 2612	2316	Barisan baharu 1.exe	31
PID 2316 wrote to memory of 2612	2316	Barisan baharu 1.exe	31
PID 2316 wrote to memory of 2612	2316	Barisan baharu 1.exe	31
PID 2316 wrote to memory of 2676	2316	Barisan baharu 1.exe	33
PID 2316 wrote to memory of 2676	2316	Barisan baharu 1.exe	33
PID 2316 wrote to memory of 2676	2316	Barisan baharu 1.exe	33
PID 2316 wrote to memory of 2676	2316	Barisan baharu 1.exe	33
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 2316 wrote to memory of 1572	2316	Barisan baharu 1.exe	35
PID 1200 wrote to memory of 1712	1200	Explorer.EXE	47
PID 1200 wrote to memory of 1712	1200	Explorer.EXE	47
PID 1200 wrote to memory of 1712	1200	Explorer.EXE	47
PID 1200 wrote to memory of 1712	1200	Explorer.EXE	47
PID 1200 wrote to memory of 1712	1200	Explorer.EXE	47
PID 1200 wrote to memory of 1712	1200	Explorer.EXE	47
PID 1200 wrote to memory of 1712	1200	Explorer.EXE	47
PID 1712 wrote to memory of 1776	1712	cmstp.exe	48
PID 1712 wrote to memory of 1776	1712	cmstp.exe	48
PID 1712 wrote to memory of 1776	1712	cmstp.exe	48
PID 1712 wrote to memory of 1776	1712	cmstp.exe	48

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Barisan baharu 1.exe
  "C:\Users\Admin\AppData\Local\Temp\Barisan baharu 1.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EQyYcpnwDWcoG.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2612
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EQyYcpnwDWcoG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E77.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2676
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1572
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2100
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2468
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2700
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2572
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2056
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2520
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1448
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2932
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:320
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2032
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:536
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:1712
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

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\tmp3E77.tmp

Filesize
1KB

MD5
72482a550effa6951aa70dd9ef5ba267

SHA1
6d2611ac7d61bf706e9915a14d77c395af94762c

SHA256
82037f8d19de6c7fad14d07c379acba5cac25171e8b51ce53fa36c0d3610fbb4

SHA512
a333ef4582d6f8c671d5d6b8446f0a1bd4aaf6a754a3c2e7e1608adf8068a02a7a8cc7cb9bb60f8ae16e208f46f0f229773177e4cb85c472701ad1623e7a463f

Download Submit
memory/1200-23-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1572-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1572-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1572-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1572-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1712-25-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1712-24-0x0000000000EC0000-0x0000000000ED8000-memory.dmp

Filesize
96KB

Download
memory/2316-4-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2316-14-0x0000000005DA0000-0x0000000005DD4000-memory.dmp

Filesize
208KB

Download
memory/2316-6-0x0000000005060000-0x00000000050D8000-memory.dmp

Filesize
480KB

Download
memory/2316-5-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2316-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2316-21-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2316-3-0x0000000000430000-0x0000000000442000-memory.dmp

Filesize
72KB

Download
memory/2316-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2316-1-0x00000000010A0000-0x000000000114E000-memory.dmp

Filesize
696KB

Download