formbook | a0592505ea38b395237adc77624c613ca16cb99f296549c6b128b7d8c4e17ecc

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 01:29

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General

Target

bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
Size

623KB
MD5

d796106a6798936495f83e5eeb341c90
SHA1

671a5437ce4fe56510909a852916a19eaf983dc6
SHA256

bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e
SHA512

9cbb995f2d32fef68348d0037ea8b6fac98ba86905b96658bf527961ae04f63ce65a23efcb4dee6e6fe8b3f1e5cf77e40221fd92dff925e0a60c2563eac2a7f7
SSDEEP

12288:no8bkVHKTBePSVM+q175iDNDGgYRtUkBpRcRm9SGiJ4if1kC5Lf0Lx06+r/R4sM:no9tKTBZZE75oNyZpRT7oTOe4C6+r/R/

Score

10^/10

formbook jr04 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jr04

Decoy

usatotribu.com

jak-omi.xyz

spacemozaic.pro

fordheritagevauly.com

vinted.beauty

gowebinar4u.com

infinixmediapty.com

dingquanjr.com

vahidblog.com

kgav99q.icu

healtyneck.com

assg3cd.icu

airconditionerworld.site

opinkmflotp.site

mineclicker.net

davidsonfessettlement.com

secured-verification.com

kgwjqaj.icu

subtmv.xyz

auntysocialvintage.com

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/2916-25-0x0000000000400000-0x000000000042F000-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
900	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1876 set thread context of 2916	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	103

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
3224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
900	powershell.exe
2916	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
2916	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
900	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	900	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 900	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	99
PID 1876 wrote to memory of 900	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	99
PID 1876 wrote to memory of 900	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	99
PID 1876 wrote to memory of 3224	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	101
PID 1876 wrote to memory of 3224	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	101
PID 1876 wrote to memory of 3224	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	101
PID 1876 wrote to memory of 2916	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	103
PID 1876 wrote to memory of 2916	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	103
PID 1876 wrote to memory of 2916	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	103
PID 1876 wrote to memory of 2916	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	103
PID 1876 wrote to memory of 2916	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	103
PID 1876 wrote to memory of 2916	1876	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	103

C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
"C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ruQKqeQx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:900
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ruQKqeQx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6404.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3224
- C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
  "C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2916

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_wc4pxpwz.kuz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6404.tmp

Filesize
1KB

MD5
10b19f71e6db75db18d6988d561ef03f

SHA1
47fe9d1c21e78d97fc7561461803e6d1ff57b519

SHA256
164d253c60ba62c283b96b5ffcabea765d1fc0bcb43a32e24b971fb1df08af9c

SHA512
f40f83d4c6cedcce54ee7bd703bbd70ab535a5557c4c367b99b4614a0c34665d6673ba78dc1ac23483cdd3fd52ab42e0649bba5ecfe5cb43e9dad0d1e9c64df2

Download Submit
memory/900-55-0x00000000026F0000-0x0000000002700000-memory.dmp

Filesize
64KB

Download
memory/900-58-0x0000000007A50000-0x00000000080CA000-memory.dmp

Filesize
6.5MB

Download
memory/900-70-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/900-69-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/900-66-0x0000000007730000-0x0000000007738000-memory.dmp

Filesize
32KB

Download
memory/900-65-0x0000000007750000-0x000000000776A000-memory.dmp

Filesize
104KB

Download
memory/900-64-0x0000000007650000-0x0000000007664000-memory.dmp

Filesize
80KB

Download
memory/900-63-0x0000000007640000-0x000000000764E000-memory.dmp

Filesize
56KB

Download
memory/900-62-0x0000000007610000-0x0000000007621000-memory.dmp

Filesize
68KB

Download
memory/900-61-0x0000000007690000-0x0000000007726000-memory.dmp

Filesize
600KB

Download
memory/900-60-0x0000000007480000-0x000000000748A000-memory.dmp

Filesize
40KB

Download
memory/900-59-0x0000000007410000-0x000000000742A000-memory.dmp

Filesize
104KB

Download
memory/900-18-0x0000000002750000-0x0000000002786000-memory.dmp

Filesize
216KB

Download
memory/900-57-0x00000000072D0000-0x0000000007373000-memory.dmp

Filesize
652KB

Download
memory/900-21-0x0000000005140000-0x0000000005768000-memory.dmp

Filesize
6.2MB

Download
memory/900-28-0x0000000005770000-0x00000000057D6000-memory.dmp

Filesize
408KB

Download
memory/900-23-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/900-22-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/900-56-0x0000000006670000-0x000000000668E000-memory.dmp

Filesize
120KB

Download
memory/900-45-0x0000000071690000-0x00000000716DC000-memory.dmp

Filesize
304KB

Download
memory/900-26-0x0000000005090000-0x00000000050B2000-memory.dmp

Filesize
136KB

Download
memory/900-44-0x00000000066A0000-0x00000000066D2000-memory.dmp

Filesize
200KB

Download
memory/900-43-0x000000007F1A0000-0x000000007F1B0000-memory.dmp

Filesize
64KB

Download
memory/900-42-0x0000000006120000-0x000000000616C000-memory.dmp

Filesize
304KB

Download
memory/900-20-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/900-40-0x0000000005CF0000-0x0000000006044000-memory.dmp

Filesize
3.3MB

Download
memory/900-41-0x00000000060E0000-0x00000000060FE000-memory.dmp

Filesize
120KB

Download
memory/1876-12-0x0000000007FE0000-0x000000000807C000-memory.dmp

Filesize
624KB

Download
memory/1876-8-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1876-16-0x0000000008130000-0x0000000008196000-memory.dmp

Filesize
408KB

Download
memory/1876-24-0x0000000007D10000-0x0000000007D44000-memory.dmp

Filesize
208KB

Download
memory/1876-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/1876-4-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1876-1-0x00000000007F0000-0x0000000000892000-memory.dmp

Filesize
648KB

Download
memory/1876-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/1876-3-0x0000000005370000-0x0000000005402000-memory.dmp

Filesize
584KB

Download
memory/1876-11-0x0000000007EA0000-0x0000000007F18000-memory.dmp

Filesize
480KB

Download
memory/1876-34-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1876-10-0x0000000007CB0000-0x0000000007CFC000-memory.dmp

Filesize
304KB

Download
memory/1876-9-0x00000000065C0000-0x00000000065CE000-memory.dmp

Filesize
56KB

Download
memory/1876-5-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/1876-7-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/1876-6-0x0000000005520000-0x0000000005540000-memory.dmp

Filesize
128KB

Download
memory/2916-35-0x0000000000EE0000-0x000000000122A000-memory.dmp

Filesize
3.3MB

Download
memory/2916-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download