formbook | 8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60

Analysis

max time kernel
94s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 16:17

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General

Target

8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
Size

709KB
MD5

e4f60d72ec802f36b0bf548cebf866d5
SHA1

3062a74ea120d1d6df530198fbee72748c00012a
SHA256

8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60
SHA512

69bc1f57bb13424a8d34bfd5b14f6c3877a5971849d642fd01018e3567d49bf9819f0634fc535647c3c36446f1475092f18db10a998dd884c2b84be10f89c889
SSDEEP

12288:VJ6J0nVj9Eqf84uRggd7Gfl/BIiim7gzTC/OoEEaSOVwkZEgK7:GqiuIug4flZ37g/9oEE1OVw7g

Score

10^/10

formbook hy08 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy08

Decoy

weazc.top

servoceimmpajhnuz.info

vqemkdhi.xyz

wergol.com

spa-mk.com

rtpsid88.life

tatetits.fun

raidsa.xyz

suojiansuode.net

jointhejunction.com

wudai.net

typeboot.shop

mksport-app.com

miocloud.ovh

taipan77pandan.com

wwwhg58a.com

khuahamiksai31.pro

carpedatumllc.net

safebinders.com

krx21.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/5048-22-0x0000000000400000-0x000000000042F000-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
2716	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3752 set thread context of 5048	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	95

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 3 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	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.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

pid	Process
4860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
2716	powershell.exe
2716	powershell.exe
5048	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
5048	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 2716	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	90
PID 3752 wrote to memory of 2716	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	90
PID 3752 wrote to memory of 2716	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	90
PID 3752 wrote to memory of 4860	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	92
PID 3752 wrote to memory of 4860	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	92
PID 3752 wrote to memory of 4860	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	92
PID 3752 wrote to memory of 2256	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	94
PID 3752 wrote to memory of 2256	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	94
PID 3752 wrote to memory of 2256	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	94
PID 3752 wrote to memory of 5048	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	95
PID 3752 wrote to memory of 5048	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	95
PID 3752 wrote to memory of 5048	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	95
PID 3752 wrote to memory of 5048	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	95
PID 3752 wrote to memory of 5048	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	95
PID 3752 wrote to memory of 5048	3752	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	95

C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
"C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xnbRpyBcNAT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xnbRpyBcNAT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB95D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4860
- C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
  "C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe"
  2⤵
  PID:2256
- C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
  "C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5048

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\Temp\__PSScriptPolicyTest_ucj14b1q.tbz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB95D.tmp

Filesize
1KB

MD5
9b1a49fb4bdd23807c0549906ed232ac

SHA1
2bfde594ddc919deca5f9383b691b7fc052455ec

SHA256
34784a8e0485035a74e02c2bb127c95d6afa767f39793f3395fcabb327f01d20

SHA512
db6ab0391a2e09882c060c1a80a870806a9c19412067868353d6a301d199c48ff19ea0f7c5529b752186dfa8183fcfaebdf5c8d70541b6553f26c700ec709ba6

Download Submit
memory/2716-55-0x0000000007100000-0x00000000071A3000-memory.dmp

Filesize
652KB

Download
memory/2716-57-0x0000000007460000-0x000000000747A000-memory.dmp

Filesize
104KB

Download
memory/2716-23-0x0000000005930000-0x0000000005952000-memory.dmp

Filesize
136KB

Download
memory/2716-67-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/2716-64-0x0000000007780000-0x0000000007788000-memory.dmp

Filesize
32KB

Download
memory/2716-63-0x00000000077A0000-0x00000000077BA000-memory.dmp

Filesize
104KB

Download
memory/2716-62-0x00000000076A0000-0x00000000076B4000-memory.dmp

Filesize
80KB

Download
memory/2716-61-0x0000000007690000-0x000000000769E000-memory.dmp

Filesize
56KB

Download
memory/2716-60-0x0000000007660000-0x0000000007671000-memory.dmp

Filesize
68KB

Download
memory/2716-59-0x00000000076E0000-0x0000000007776000-memory.dmp

Filesize
600KB

Download
memory/2716-16-0x0000000004B90000-0x0000000004BC6000-memory.dmp

Filesize
216KB

Download
memory/2716-18-0x0000000005200000-0x0000000005828000-memory.dmp

Filesize
6.2MB

Download
memory/2716-58-0x00000000074D0000-0x00000000074DA000-memory.dmp

Filesize
40KB

Download
memory/2716-42-0x00000000070B0000-0x00000000070E2000-memory.dmp

Filesize
200KB

Download
memory/2716-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/2716-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/2716-56-0x0000000007AA0000-0x000000000811A000-memory.dmp

Filesize
6.5MB

Download
memory/2716-24-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/2716-25-0x0000000005AF0000-0x0000000005B56000-memory.dmp

Filesize
408KB

Download
memory/2716-28-0x0000000005B60000-0x0000000005EB4000-memory.dmp

Filesize
3.3MB

Download
memory/2716-17-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/2716-54-0x0000000007090000-0x00000000070AE000-memory.dmp

Filesize
120KB

Download
memory/2716-49-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/2716-38-0x0000000006110000-0x000000000612E000-memory.dmp

Filesize
120KB

Download
memory/2716-43-0x0000000075770000-0x00000000757BC000-memory.dmp

Filesize
304KB

Download
memory/2716-40-0x00000000061A0000-0x00000000061EC000-memory.dmp

Filesize
304KB

Download
memory/2716-41-0x000000007F830000-0x000000007F840000-memory.dmp

Filesize
64KB

Download
memory/3752-9-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/3752-1-0x00000000009F0000-0x0000000000AA8000-memory.dmp

Filesize
736KB

Download
memory/3752-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3752-3-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/3752-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/3752-5-0x00000000054B0000-0x00000000054BA000-memory.dmp

Filesize
40KB

Download
memory/3752-2-0x00000000054D0000-0x0000000005562000-memory.dmp

Filesize
584KB

Download
memory/3752-6-0x0000000005790000-0x000000000582C000-memory.dmp

Filesize
624KB

Download
memory/3752-11-0x0000000006A40000-0x0000000006AB6000-memory.dmp

Filesize
472KB

Download
memory/3752-10-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3752-27-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3752-8-0x0000000005860000-0x0000000005878000-memory.dmp

Filesize
96KB

Download
memory/3752-7-0x0000000006C40000-0x0000000006CD0000-memory.dmp

Filesize
576KB

Download
memory/5048-39-0x0000000000FF0000-0x000000000133A000-memory.dmp

Filesize
3.3MB

Download
memory/5048-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download