formbook | b499c93bb5fc519520fbb172cf182ae0f3e5dfc5e68cf193f87cff39463a84fd

Analysis

max time kernel
300s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-10-2024 14:00

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General

Target

HUAWEI New PO [#16426900].exe
Size

580KB
MD5

e0e6e7d9c723993d7172fc5cf35ed241
SHA1

77b6944a9c19fb00172d436f4146bfa255013306
SHA256

a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
SHA512

c8e85c71dfd68a31200a0ce760c104e868c35863027789c7523126c2c1335a1e6da6279459be4652cdb0927aa2c21cff160688b9bee44bd483684fd01406dc55
SSDEEP

12288:HVf0ws2B6rJq5b/BnXF0kfT4RwLMbX1UXLMcNymOJ:HV3sE6qV10y4X5UAYOJ

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2992-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2992-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2044-25-0x0000000000080000-0x00000000000AF000-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
2752	powershell.exe

Deletes itself 1 IoCs

pid	Process
844	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 2992 set thread context of 1392	2992	HUAWEI New PO [#16426900].exe	21
PID 2992 set thread context of 1392	2992	HUAWEI New PO [#16426900].exe	21
PID 2044 set thread context of 1392	2044	chkdsk.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	HUAWEI New PO [#16426900].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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.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
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2528	HUAWEI New PO [#16426900].exe
2528	HUAWEI New PO [#16426900].exe
2528	HUAWEI New PO [#16426900].exe
2528	HUAWEI New PO [#16426900].exe
2528	HUAWEI New PO [#16426900].exe
2528	HUAWEI New PO [#16426900].exe
2992	HUAWEI New PO [#16426900].exe
2992	HUAWEI New PO [#16426900].exe
2752	powershell.exe
2992	HUAWEI New PO [#16426900].exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe
2044	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2992	HUAWEI New PO [#16426900].exe
2992	HUAWEI New PO [#16426900].exe
2992	HUAWEI New PO [#16426900].exe
2992	HUAWEI New PO [#16426900].exe
2044	chkdsk.exe
2044	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	HUAWEI New PO [#16426900].exe
Token: SeDebugPrivilege	2992	HUAWEI New PO [#16426900].exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2044	chkdsk.exe
Token: SeShutdownPrivilege	1392	Explorer.EXE

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2752	2528	HUAWEI New PO [#16426900].exe	31
PID 2528 wrote to memory of 2752	2528	HUAWEI New PO [#16426900].exe	31
PID 2528 wrote to memory of 2752	2528	HUAWEI New PO [#16426900].exe	31
PID 2528 wrote to memory of 2752	2528	HUAWEI New PO [#16426900].exe	31
PID 2528 wrote to memory of 2868	2528	HUAWEI New PO [#16426900].exe	33
PID 2528 wrote to memory of 2868	2528	HUAWEI New PO [#16426900].exe	33
PID 2528 wrote to memory of 2868	2528	HUAWEI New PO [#16426900].exe	33
PID 2528 wrote to memory of 2868	2528	HUAWEI New PO [#16426900].exe	33
PID 2528 wrote to memory of 2712	2528	HUAWEI New PO [#16426900].exe	35
PID 2528 wrote to memory of 2712	2528	HUAWEI New PO [#16426900].exe	35
PID 2528 wrote to memory of 2712	2528	HUAWEI New PO [#16426900].exe	35
PID 2528 wrote to memory of 2712	2528	HUAWEI New PO [#16426900].exe	35
PID 2528 wrote to memory of 2112	2528	HUAWEI New PO [#16426900].exe	36
PID 2528 wrote to memory of 2112	2528	HUAWEI New PO [#16426900].exe	36
PID 2528 wrote to memory of 2112	2528	HUAWEI New PO [#16426900].exe	36
PID 2528 wrote to memory of 2112	2528	HUAWEI New PO [#16426900].exe	36
PID 2528 wrote to memory of 2796	2528	HUAWEI New PO [#16426900].exe	37
PID 2528 wrote to memory of 2796	2528	HUAWEI New PO [#16426900].exe	37
PID 2528 wrote to memory of 2796	2528	HUAWEI New PO [#16426900].exe	37
PID 2528 wrote to memory of 2796	2528	HUAWEI New PO [#16426900].exe	37
PID 2528 wrote to memory of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 2528 wrote to memory of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 2528 wrote to memory of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 2528 wrote to memory of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 2528 wrote to memory of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 2528 wrote to memory of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 2528 wrote to memory of 2992	2528	HUAWEI New PO [#16426900].exe	38
PID 1392 wrote to memory of 2044	1392	Explorer.EXE	45
PID 1392 wrote to memory of 2044	1392	Explorer.EXE	45
PID 1392 wrote to memory of 2044	1392	Explorer.EXE	45
PID 1392 wrote to memory of 2044	1392	Explorer.EXE	45
PID 2044 wrote to memory of 844	2044	chkdsk.exe	46
PID 2044 wrote to memory of 844	2044	chkdsk.exe	46
PID 2044 wrote to memory of 844	2044	chkdsk.exe	46
PID 2044 wrote to memory of 844	2044	chkdsk.exe	46

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe
  "C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YRdJVRLxI.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YRdJVRLxI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp233A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2868
- - C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe
    "C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe"
    3⤵
    PID:2712
- - C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe
    "C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe"
    3⤵
    PID:2112
- - C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe
    "C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe"
    3⤵
    PID:2796
- - C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe
    "C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2992
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2188
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2300
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2160
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2060
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1928
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1740
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\HUAWEI New PO [#16426900].exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:844

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

Query Registry

T1012

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\tmp233A.tmp

Filesize
1KB

MD5
e1f60c96d557dc199d76a1d6a7c9f7c4

SHA1
f3423629e0fe5dacc9e4a857e932763a984529e9

SHA256
1ab351616723240009c835328268194d46852dcd432d43cf47286f4da75419ea

SHA512
e0e8d6fea850ea0eff761303625d402f87390b68cfb33f609c0c9809280d5ace9d5563645baf7c9790c44f800d12df034ecd504d312d250b69df82f3711a7094

Download Submit
memory/1392-22-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2044-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2044-24-0x0000000000BE0000-0x0000000000BE7000-memory.dmp

Filesize
28KB

Download
memory/2528-20-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-5-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-6-0x0000000004D40000-0x0000000004DB6000-memory.dmp

Filesize
472KB

Download
memory/2528-4-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/2528-0-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/2528-3-0x00000000008E0000-0x00000000008F8000-memory.dmp

Filesize
96KB

Download
memory/2528-2-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-1-0x0000000000040000-0x00000000000D8000-memory.dmp

Filesize
608KB

Download
memory/2992-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2992-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2992-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2992-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2992-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download