formbook | 9149736793b0b01b1831ba2f506fb266959c027edd76116aaf291fd33f3dc29a

Analysis

max time kernel
148s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 01:13

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General

Target

ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe
Size

642KB
MD5

3d680bae4987c65237ff5191316eb984
SHA1

2b1030c6daba94e4c849523d417a2a02eb2d342b
SHA256

ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
SHA512

f30adc17d74a5b33918361feac87c3d41059d00ae5e84e8550a7894839e5ddd45a6b0a4b2dae1af4469c17e52c13e3566babdc34e3f37d3a0e730329f6ec1a80
SSDEEP

12288:KxCkhMOoltiJ76q2GRIUoeQYVHFpkYdDVlz3tVnrW+EhBv7:MCkh5oDiJVRI3kTPi+WB

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2644-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2516-29-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2736	powershell.exe
2884	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2644 set thread context of 1156	2644	RegSvcs.exe	20
PID 2516 set thread context of 1156	2516	svchost.exe	20

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 6 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	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	svchost.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
2760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2736	powershell.exe
2884	powershell.exe
2644	RegSvcs.exe
2644	RegSvcs.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2644	RegSvcs.exe
2644	RegSvcs.exe
2644	RegSvcs.exe
2516	svchost.exe
2516	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2884	powershell.exe
Token: SeDebugPrivilege	2644	RegSvcs.exe
Token: SeDebugPrivilege	2516	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2736	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	31
PID 2400 wrote to memory of 2736	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	31
PID 2400 wrote to memory of 2736	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	31
PID 2400 wrote to memory of 2736	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	31
PID 2400 wrote to memory of 2884	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	33
PID 2400 wrote to memory of 2884	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	33
PID 2400 wrote to memory of 2884	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	33
PID 2400 wrote to memory of 2884	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	33
PID 2400 wrote to memory of 2760	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	35
PID 2400 wrote to memory of 2760	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	35
PID 2400 wrote to memory of 2760	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	35
PID 2400 wrote to memory of 2760	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	35
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 2400 wrote to memory of 2644	2400	ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe	37
PID 1156 wrote to memory of 2516	1156	Explorer.EXE	38
PID 1156 wrote to memory of 2516	1156	Explorer.EXE	38
PID 1156 wrote to memory of 2516	1156	Explorer.EXE	38
PID 1156 wrote to memory of 2516	1156	Explorer.EXE	38
PID 2516 wrote to memory of 1052	2516	svchost.exe	39
PID 2516 wrote to memory of 1052	2516	svchost.exe	39
PID 2516 wrote to memory of 1052	2516	svchost.exe	39
PID 2516 wrote to memory of 1052	2516	svchost.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Users\Admin\AppData\Local\Temp\ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe
  "C:\Users\Admin\AppData\Local\Temp\ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - 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\ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2736
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BaYOcnEVLf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2884
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BaYOcnEVLf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF344.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2760
- - 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:2644
- 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:2516
- - 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:1052

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\tmpF344.tmp

Filesize
1KB

MD5
ec97de9af38b3f0de24c337277ef25da

SHA1
5bec32969947507e2e0699e896ce610683fa1871

SHA256
6f34b79ba9a012e900991e347c6c773c669935a80944317a36b9bfb5ef4ef7fd

SHA512
4eeddf8ace3f659a158093d8bf18b64b69128004a6eebaa5675ac865dd8779bbd4d3a02f60a933a7847329da5b90e677c7f1340939babc3fe5cd251ab7795cdf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\45UT2KR7TTX1N04PXH4Z.temp

Filesize
7KB

MD5
fe62ba54e6d4ef410c95e10badb25c1a

SHA1
11a059aeab747959d3ec642807a3ab35bc20653d

SHA256
89544cd29dc1c2735ec8fff7378245f21185668bf7b50091c0feb0bc15827f6b

SHA512
3e0405c9d536454b394d616bfbd696f762a201f66df1c70b20a91f8d530edf87f1028d60beca7274f9209e629f6b77c95f10357480ab63b0f8284b11a08dcc35

Download Submit
memory/1156-27-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2400-4-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2400-25-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-5-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-6-0x0000000005290000-0x0000000005306000-memory.dmp

Filesize
472KB

Download
memory/2400-3-0x0000000000420000-0x000000000043C000-memory.dmp

Filesize
112KB

Download
memory/2400-2-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1-0x0000000000CA0000-0x0000000000D46000-memory.dmp

Filesize
664KB

Download
memory/2400-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2516-28-0x0000000000C40000-0x0000000000C48000-memory.dmp

Filesize
32KB

Download
memory/2516-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2644-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download