formbook | df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb

Analysis

max time kernel
104s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 13:24

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General

Target

df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe
Size

588KB
MD5

d57f189db1e00f4bc3bf0697023c763d
SHA1

c0696cd65511957e04e61b79206e3e642e5a8992
SHA256

df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb
SHA512

85ca18aba5034317aa2f9aac413275175b59948456d50b99234422638668d2c26c553067f757aa3955bd586c04f7e75bb5ae537d6094eb70c3ef8f1db56e49ab
SSDEEP

12288:48XLCsp4ppptlpMkQ28GKkpeGHO8FG0tF5RlCgnKl0kEVjun+BciO4d0N+2FSV:/XLCsO7ptS/kpeq+0FLCrVEVju+BciOc

Score

10^/10

formbook bs03 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs03

Decoy

aindirectiveteam.info

itchen-remodeling-up.world

avadacasino21.buzz

urumsbicard.net

ental-care-2762127.fyi

raveline.tech

camtech.online

leartec.health

odkacasino-333.buzz

oans-credits-73480.bond

ubstrate360.xyz

dalang.click

on66my.xyz

elegilgh.run

wlf.dev

ex-in-wien.net

riminal-mischief.cfd

0ns.pro

klopcy.xyz

ssetexcelstrongmanageroot.xyz

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/4876-11-0x0000000000400000-0x000000000042F000-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
5680	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-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5448 set thread context of 4876	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.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 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	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4876	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe
4876	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe
5680	powershell.exe
5680	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5680	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5448 wrote to memory of 5680	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	101
PID 5448 wrote to memory of 5680	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	101
PID 5448 wrote to memory of 5680	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	101
PID 5448 wrote to memory of 4876	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	103
PID 5448 wrote to memory of 4876	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	103
PID 5448 wrote to memory of 4876	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	103
PID 5448 wrote to memory of 4876	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	103
PID 5448 wrote to memory of 4876	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	103
PID 5448 wrote to memory of 4876	5448	df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe	103

C:\Users\Admin\AppData\Local\Temp\df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe
"C:\Users\Admin\AppData\Local\Temp\df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5448
- 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\df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5680
- C:\Users\Admin\AppData\Local\Temp\df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe
  "C:\Users\Admin\AppData\Local\Temp\df76258f5a92817111c47c370f40806f0e913fe8a8f05dc84a8a3f5e5c8464eb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4876

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_0yvdiwvt.pdg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4876-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4876-62-0x0000000001740000-0x0000000001A8A000-memory.dmp

Filesize
3.3MB

Download
memory/4876-14-0x0000000001740000-0x0000000001A8A000-memory.dmp

Filesize
3.3MB

Download
memory/5448-8-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/5448-5-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/5448-6-0x00000000053B0000-0x00000000053C0000-memory.dmp

Filesize
64KB

Download
memory/5448-7-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/5448-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/5448-9-0x00000000065B0000-0x000000000662A000-memory.dmp

Filesize
488KB

Download
memory/5448-10-0x0000000008C40000-0x0000000008CDC000-memory.dmp

Filesize
624KB

Download
memory/5448-4-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/5448-13-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/5448-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/5448-2-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/5448-1-0x0000000000790000-0x000000000082A000-memory.dmp

Filesize
616KB

Download
memory/5680-22-0x0000000005D90000-0x0000000005DF6000-memory.dmp

Filesize
408KB

Download
memory/5680-49-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5680-19-0x0000000005590000-0x0000000005BB8000-memory.dmp

Filesize
6.2MB

Download
memory/5680-20-0x00000000052F0000-0x0000000005312000-memory.dmp

Filesize
136KB

Download
memory/5680-17-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5680-21-0x0000000005C70000-0x0000000005CD6000-memory.dmp

Filesize
408KB

Download
memory/5680-16-0x0000000004E10000-0x0000000004E46000-memory.dmp

Filesize
216KB

Download
memory/5680-32-0x0000000006040000-0x0000000006394000-memory.dmp

Filesize
3.3MB

Download
memory/5680-33-0x00000000063A0000-0x00000000063BE000-memory.dmp

Filesize
120KB

Download
memory/5680-34-0x0000000006400000-0x000000000644C000-memory.dmp

Filesize
304KB

Download
memory/5680-35-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5680-36-0x0000000006980000-0x00000000069B2000-memory.dmp

Filesize
200KB

Download
memory/5680-37-0x0000000070D30000-0x0000000070D7C000-memory.dmp

Filesize
304KB

Download
memory/5680-18-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5680-48-0x00000000075B0000-0x0000000007653000-memory.dmp

Filesize
652KB

Download
memory/5680-47-0x0000000006950000-0x000000000696E000-memory.dmp

Filesize
120KB

Download
memory/5680-50-0x0000000007D20000-0x000000000839A000-memory.dmp

Filesize
6.5MB

Download
memory/5680-51-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/5680-52-0x0000000007750000-0x000000000775A000-memory.dmp

Filesize
40KB

Download
memory/5680-53-0x0000000007960000-0x00000000079F6000-memory.dmp

Filesize
600KB

Download
memory/5680-54-0x00000000078E0000-0x00000000078F1000-memory.dmp

Filesize
68KB

Download
memory/5680-55-0x0000000007910000-0x000000000791E000-memory.dmp

Filesize
56KB

Download
memory/5680-56-0x0000000007920000-0x0000000007934000-memory.dmp

Filesize
80KB

Download
memory/5680-57-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/5680-58-0x0000000007A00000-0x0000000007A08000-memory.dmp

Filesize
32KB

Download
memory/5680-61-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5680-15-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download