formbook | c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 14:17

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General

Target

c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe
Size

619KB
MD5

1be8f540ee2f46e7a785c8b270766eac
SHA1

981fc167332b9d199a411d6b6af08a45005fd1ec
SHA256

c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681
SHA512

2284048bfb50db7e092445fb7cfcabc09ef2e92d51f992ad5229edae897d374ff5c78cb78df0be77551aafa5a327272cf6aa89d3144be699f5008b056a41c7cf
SSDEEP

12288:QQ0LIWqps7wnzTEnkd7fBA/HStVvBTVfhcm3tAcAuMiekrS:QrF0ty8fBsHSzzJvxPG

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 family
formbook

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5068-45-0x0000000006220000-0x000000000624F000-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

Processes:

powershell.exepowershell.exe

pid	Process
4416	powershell.exe
4484	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe

description	pid	Process	procid_target
PID 5068 set thread context of 4540	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	105

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 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

Processes:

c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exepowershell.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.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

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

Processes:

schtasks.exe

pid	Process
4976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exec82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe

pid	Process
4484	powershell.exe
4416	powershell.exe
4416	powershell.exe
4484	powershell.exe
4540	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe
4540	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	4416	powershell.exe
Token: SeDebugPrivilege	4484	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe

description	pid	Process	procid_target
PID 5068 wrote to memory of 4416	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	99
PID 5068 wrote to memory of 4416	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	99
PID 5068 wrote to memory of 4416	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	99
PID 5068 wrote to memory of 4484	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	101
PID 5068 wrote to memory of 4484	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	101
PID 5068 wrote to memory of 4484	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	101
PID 5068 wrote to memory of 4976	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	103
PID 5068 wrote to memory of 4976	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	103
PID 5068 wrote to memory of 4976	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	103
PID 5068 wrote to memory of 4540	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	105
PID 5068 wrote to memory of 4540	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	105
PID 5068 wrote to memory of 4540	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	105
PID 5068 wrote to memory of 4540	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	105
PID 5068 wrote to memory of 4540	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	105
PID 5068 wrote to memory of 4540	5068	c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe	105

C:\Users\Admin\AppData\Local\Temp\c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe
"C:\Users\Admin\AppData\Local\Temp\c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5068
- 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\c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4416
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kqnJal.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4484
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kqnJal" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1548.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4976
- C:\Users\Admin\AppData\Local\Temp\c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe
  "C:\Users\Admin\AppData\Local\Temp\c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4540

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
e8426f39b3a07fca641d0f777bce1751

SHA1
231e526e7ffe9eb2069bfea64fd20e4e461e1743

SHA256
3f61c1a45d38118d2893027093a16f30b9f8593b4eba0cf6a78376c071cf7d05

SHA512
d2d38615409c158006512680441c98eae16328fa1ab78d33c190f3559ac872a81327143caa17a9b008aa0f35c6f295572dd92869b94bd571f221d30477e57ceb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rutxk0xx.len.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1548.tmp

Filesize
1KB

MD5
4eb8420e4b8d24669117c67f6ece6635

SHA1
05a01ef95dc7f52aa1e7e47f5ce9a75c27cd1a2e

SHA256
b01fe9bbd7c9a82661a698d40a61e73d22e360283734d69f6dfdb2af22698e36

SHA512
ba0571f7b6a2e3aecfe79ed2985233a8111310f86b8a9c033b947015c94c177a05ff24374f0bcadc8f20eaed6c07dbe81f2d356441ac77ea37c272ee22100287

Download Submit
memory/4416-15-0x0000000005150000-0x0000000005186000-memory.dmp

Filesize
216KB

Download
memory/4416-30-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/4416-89-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-81-0x0000000007D90000-0x0000000007DAA000-memory.dmp

Filesize
104KB

Download
memory/4416-78-0x0000000007C50000-0x0000000007C61000-memory.dmp

Filesize
68KB

Download
memory/4416-77-0x0000000007CD0000-0x0000000007D66000-memory.dmp

Filesize
600KB

Download
memory/4416-74-0x0000000008090000-0x000000000870A000-memory.dmp

Filesize
6.5MB

Download
memory/4416-75-0x0000000007A50000-0x0000000007A6A000-memory.dmp

Filesize
104KB

Download
memory/4416-16-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-17-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/4416-72-0x00000000078E0000-0x00000000078FE000-memory.dmp

Filesize
120KB

Download
memory/4416-51-0x00000000076A0000-0x00000000076D2000-memory.dmp

Filesize
200KB

Download
memory/4416-52-0x0000000075290000-0x00000000752DC000-memory.dmp

Filesize
304KB

Download
memory/4416-20-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-44-0x0000000006240000-0x0000000006594000-memory.dmp

Filesize
3.3MB

Download
memory/4416-24-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/4416-23-0x0000000005760000-0x0000000005782000-memory.dmp

Filesize
136KB

Download
memory/4484-76-0x0000000006E00000-0x0000000006E0A000-memory.dmp

Filesize
40KB

Download
memory/4484-79-0x0000000006FB0000-0x0000000006FBE000-memory.dmp

Filesize
56KB

Download
memory/4484-88-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4484-21-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4484-49-0x00000000055D0000-0x00000000055EE000-memory.dmp

Filesize
120KB

Download
memory/4484-82-0x00000000070A0000-0x00000000070A8000-memory.dmp

Filesize
32KB

Download
memory/4484-50-0x0000000005A80000-0x0000000005ACC000-memory.dmp

Filesize
304KB

Download
memory/4484-80-0x0000000006FC0000-0x0000000006FD4000-memory.dmp

Filesize
80KB

Download
memory/4484-62-0x0000000075290000-0x00000000752DC000-memory.dmp

Filesize
304KB

Download
memory/4484-19-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4484-18-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/4484-73-0x0000000006A50000-0x0000000006AF3000-memory.dmp

Filesize
652KB

Download
memory/5068-10-0x000000000A070000-0x000000000A10C000-memory.dmp

Filesize
624KB

Download
memory/5068-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp

Filesize
584KB

Download
memory/5068-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/5068-9-0x00000000078C0000-0x0000000007936000-memory.dmp

Filesize
472KB

Download
memory/5068-8-0x00000000050E0000-0x00000000050F2000-memory.dmp

Filesize
72KB

Download
memory/5068-48-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/5068-45-0x0000000006220000-0x000000000624F000-memory.dmp

Filesize
188KB

Download
memory/5068-7-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/5068-6-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/5068-2-0x0000000005250000-0x00000000057F4000-memory.dmp

Filesize
5.6MB

Download
memory/5068-1-0x0000000000250000-0x00000000002F0000-memory.dmp

Filesize
640KB

Download
memory/5068-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/5068-4-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download