formbook | ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344

Analysis

max time kernel
32s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 03:29

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General

Target

ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
Size

557KB
MD5

4919265b7099fa0f8f58df4e824c1b21
SHA1

066783dc80338a74e0b1f8de272eef02a6e04391
SHA256

ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344
SHA512

24b4546f78849c9489deac6cf496a1b2ead5800599d0a5c3fefbe7835d7a44374c693ade7ef0f375d9f9cc6ee3d6dd14aacc628ac4d356ab443a25070da083ac
SSDEEP

12288:7bUSAWFHil5oqaWB1meO4pT7eTAqLySHqiO/B/rbKbp/zF8PnEh2vo1:7bAkCEqaW/mZkT7gAMKL/6p/GEum

Score

10^/10

formbook t18n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t18n

Decoy

tmusicoregon.net

atici.online

j7u7.xyz

iewunucierwuerwnziqi1.info

ruvabetgiris.website

acik.lat

obsk.top

sphaltpaving-ttp1-shd-us-2.shop

ispensarynearme.news

b3nd.bond

urelook.xyz

gearlpfbm.top

aconstructionjob.bond

killsnexis.info

oshon.xyz

ashabsxw.top

ussiatraiding.buzz

raipsehumus.homes

6ae23rx.forum

edar88vvip.shop

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

resource	yara_rule
behavioral2/memory/4780-11-0x0000000000400000-0x000000000042F000-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
3944	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 4780	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	89

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 2 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	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4780	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
4780	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
3944	powershell.exe
3944	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 3944	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	87
PID 2376 wrote to memory of 3944	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	87
PID 2376 wrote to memory of 3944	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	87
PID 2376 wrote to memory of 4780	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	89
PID 2376 wrote to memory of 4780	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	89
PID 2376 wrote to memory of 4780	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	89
PID 2376 wrote to memory of 4780	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	89
PID 2376 wrote to memory of 4780	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	89
PID 2376 wrote to memory of 4780	2376	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	89

C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
"C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- 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\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3944
- C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
  "C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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_vu4kokoa.d4c.psm1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2376-6-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-2-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/2376-3-0x00000000054F0000-0x0000000005582000-memory.dmp

Filesize
584KB

Download
memory/2376-4-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/2376-5-0x0000000005760000-0x00000000057FC000-memory.dmp

Filesize
624KB

Download
memory/2376-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2376-7-0x00000000059B0000-0x00000000059C2000-memory.dmp

Filesize
72KB

Download
memory/2376-8-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2376-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-10-0x0000000006F40000-0x0000000006FB6000-memory.dmp

Filesize
472KB

Download
memory/2376-1-0x0000000000A30000-0x0000000000AC2000-memory.dmp

Filesize
584KB

Download
memory/2376-13-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3944-21-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/3944-53-0x0000000007D70000-0x0000000007E06000-memory.dmp

Filesize
600KB

Download
memory/3944-16-0x0000000005210000-0x0000000005246000-memory.dmp

Filesize
216KB

Download
memory/3944-17-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/3944-18-0x0000000005980000-0x0000000005FA8000-memory.dmp

Filesize
6.2MB

Download
memory/3944-19-0x0000000005800000-0x0000000005822000-memory.dmp

Filesize
136KB

Download
memory/3944-20-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/3944-61-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/3944-58-0x0000000007E10000-0x0000000007E18000-memory.dmp

Filesize
32KB

Download
memory/3944-31-0x00000000061A0000-0x00000000064F4000-memory.dmp

Filesize
3.3MB

Download
memory/3944-32-0x00000000067A0000-0x00000000067BE000-memory.dmp

Filesize
120KB

Download
memory/3944-33-0x00000000067F0000-0x000000000683C000-memory.dmp

Filesize
304KB

Download
memory/3944-34-0x00000000077A0000-0x00000000077D2000-memory.dmp

Filesize
200KB

Download
memory/3944-35-0x00000000711D0000-0x000000007121C000-memory.dmp

Filesize
304KB

Download
memory/3944-46-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

Filesize
120KB

Download
memory/3944-36-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/3944-47-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/3944-48-0x00000000079E0000-0x0000000007A83000-memory.dmp

Filesize
652KB

Download
memory/3944-49-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/3944-50-0x0000000008130000-0x00000000087AA000-memory.dmp

Filesize
6.5MB

Download
memory/3944-51-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

Filesize
104KB

Download
memory/3944-52-0x0000000007B60000-0x0000000007B6A000-memory.dmp

Filesize
40KB

Download
memory/3944-15-0x00000000753BE000-0x00000000753BF000-memory.dmp

Filesize
4KB

Download
memory/3944-54-0x0000000007CF0000-0x0000000007D01000-memory.dmp

Filesize
68KB

Download
memory/3944-55-0x0000000007D20000-0x0000000007D2E000-memory.dmp

Filesize
56KB

Download
memory/3944-56-0x0000000007D30000-0x0000000007D44000-memory.dmp

Filesize
80KB

Download
memory/3944-57-0x0000000007E30000-0x0000000007E4A000-memory.dmp

Filesize
104KB

Download
memory/4780-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4780-14-0x00000000019A0000-0x0000000001CEA000-memory.dmp

Filesize
3.3MB

Download