formbook | f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 05:13

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General

Target

f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
Size

603KB
MD5

af8c67ecaaf1d8a3c148b3b994738f50
SHA1

ecf9e0b3eca2e745b460caa0513926256fd6ba36
SHA256

f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a
SHA512

2b5abb2587335a4c32ff03d4a4862d36cba51decb9381f71d99e08d1500fda37a91c8304ac36e2555481614c405673d3e6dbb65d5cbb8ed86336c790663c6b24
SSDEEP

12288:cbVVztMJXXiP1ysEXfq28bIV/46we6H4eLt7P5Jqq6f:0ztoXXO1yNfEbQ/4yMF/B6

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/2316-24-0x0000000000400000-0x000000000042F000-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
1444	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3636 set thread context of 2316	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	98

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	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.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
4912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
1444	powershell.exe
3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
2316	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
2316	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
1444	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
Token: SeDebugPrivilege	1444	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 1444	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	94
PID 3636 wrote to memory of 1444	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	94
PID 3636 wrote to memory of 1444	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	94
PID 3636 wrote to memory of 4912	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	96
PID 3636 wrote to memory of 4912	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	96
PID 3636 wrote to memory of 4912	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	96
PID 3636 wrote to memory of 2316	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	98
PID 3636 wrote to memory of 2316	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	98
PID 3636 wrote to memory of 2316	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	98
PID 3636 wrote to memory of 2316	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	98
PID 3636 wrote to memory of 2316	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	98
PID 3636 wrote to memory of 2316	3636	f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe	98

C:\Users\Admin\AppData\Local\Temp\f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
"C:\Users\Admin\AppData\Local\Temp\f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.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:3636
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GTZFWbhtAZrT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1444
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GTZFWbhtAZrT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6F3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4912
- C:\Users\Admin\AppData\Local\Temp\f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe
  "C:\Users\Admin\AppData\Local\Temp\f17389114ceadad92245e477bcb03aee1a97f310f816083b6bd918d64230139a.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2316

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_trlx0fnk.oev.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF6F3.tmp

Filesize
1KB

MD5
6612a9bd6dec2b936f633a2abb9f1336

SHA1
f25f4ff1ca979ce8f538002691219b9fa09bd8a6

SHA256
bdd7a92a09cd8780948105ca79adf4daffceaec574324681e869f324b7dd6bd8

SHA512
ca0e41910c767e811e38cae82552ba0a47514b8b7ff9ca43407c3d7cecfff2b39dbc3ce7bbc3697c3951663b52b5d48a86c46a8f237bff6f5308f0dc693e61ec

Download Submit
memory/1444-35-0x0000000005D00000-0x0000000006054000-memory.dmp

Filesize
3.3MB

Download
memory/1444-55-0x0000000007C60000-0x00000000082DA000-memory.dmp

Filesize
6.5MB

Download
memory/1444-67-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1444-64-0x0000000007940000-0x0000000007948000-memory.dmp

Filesize
32KB

Download
memory/1444-63-0x0000000007960000-0x000000000797A000-memory.dmp

Filesize
104KB

Download
memory/1444-62-0x0000000007860000-0x0000000007874000-memory.dmp

Filesize
80KB

Download
memory/1444-61-0x0000000007850000-0x000000000785E000-memory.dmp

Filesize
56KB

Download
memory/1444-60-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1444-59-0x0000000007820000-0x0000000007831000-memory.dmp

Filesize
68KB

Download
memory/1444-15-0x00000000029F0000-0x0000000002A26000-memory.dmp

Filesize
216KB

Download
memory/1444-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1444-17-0x00000000056D0000-0x0000000005CF8000-memory.dmp

Filesize
6.2MB

Download
memory/1444-58-0x00000000078A0000-0x0000000007936000-memory.dmp

Filesize
600KB

Download
memory/1444-19-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1444-57-0x0000000007690000-0x000000000769A000-memory.dmp

Filesize
40KB

Download
memory/1444-21-0x0000000005530000-0x0000000005552000-memory.dmp

Filesize
136KB

Download
memory/1444-23-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/1444-56-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/1444-54-0x00000000074F0000-0x0000000007593000-memory.dmp

Filesize
652KB

Download
memory/1444-22-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/1444-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1444-53-0x00000000074C0000-0x00000000074DE000-memory.dmp

Filesize
120KB

Download
memory/1444-52-0x00000000010F0000-0x0000000001100000-memory.dmp

Filesize
64KB

Download
memory/1444-38-0x00000000062F0000-0x000000000630E000-memory.dmp

Filesize
120KB

Download
memory/1444-39-0x0000000006340000-0x000000000638C000-memory.dmp

Filesize
304KB

Download
memory/1444-40-0x000000007F3E0000-0x000000007F3F0000-memory.dmp

Filesize
64KB

Download
memory/1444-41-0x00000000068D0000-0x0000000006902000-memory.dmp

Filesize
200KB

Download
memory/1444-42-0x0000000074D60000-0x0000000074DAC000-memory.dmp

Filesize
304KB

Download
memory/2316-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2316-37-0x0000000001930000-0x0000000001C7A000-memory.dmp

Filesize
3.3MB

Download
memory/3636-10-0x00000000060C0000-0x000000000615C000-memory.dmp

Filesize
624KB

Download
memory/3636-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

Filesize
584KB

Download
memory/3636-1-0x00000000001E0000-0x000000000027C000-memory.dmp

Filesize
624KB

Download
memory/3636-4-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3636-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/3636-2-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/3636-36-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3636-8-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3636-7-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/3636-6-0x00000000079B0000-0x00000000079C8000-memory.dmp

Filesize
96KB

Download
memory/3636-5-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

Filesize
40KB

Download
memory/3636-9-0x0000000005E40000-0x0000000005EB6000-memory.dmp

Filesize
472KB

Download