formbook | 4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3

Analysis

max time kernel
94s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 09:18

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General

Target

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Size

593KB
MD5

7dcab0ea73dd5a9a7455ef7c8a4c0d2a
SHA1

bdc449aaca0a43a93417517310178c99ad91642a
SHA256

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3
SHA512

da4fbd2e58990c6a975c2f1b444d97b0c6cefbd537fcd12b23986b77889cd2a140b3227c9dc267bcfa15c260c9f59c41d059d4d4ee66413ca079582cd8adf5d7
SSDEEP

12288:CSTZZAmKRL8KE9C6wZwedumQCTsE/3vBEHYcr9WW6ivZRfbwscMv6X:1T7T28KE92/dv9/3vixBWW3RV/cMv

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

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

Processes:

resource	yara_rule
behavioral2/memory/3252-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

3324 powershell.exe
2256 powershell.exe

pid	process
3324	powershell.exe
2256	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

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

description	pid	process	target process
PID 5024 set thread context of 3252	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

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 4 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

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exepowershell.exepowershell.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Processes:

schtasks.exe

pid process

372 schtasks.exe

pid	process
372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exepowershell.exepowershell.exe4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

pid	process
5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2256	powershell.exe
3324	powershell.exe
5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2256	powershell.exe
3252	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
3252	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
3324	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Token: SeDebugPrivilege	2256	powershell.exe
Token: SeDebugPrivilege	3324	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

description	pid	process	target process
PID 5024 wrote to memory of 2256	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 5024 wrote to memory of 2256	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 5024 wrote to memory of 2256	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 5024 wrote to memory of 3324	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 5024 wrote to memory of 3324	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 5024 wrote to memory of 3324	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 5024 wrote to memory of 372	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	schtasks.exe
PID 5024 wrote to memory of 372	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	schtasks.exe
PID 5024 wrote to memory of 372	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	schtasks.exe
PID 5024 wrote to memory of 3252	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 5024 wrote to memory of 3252	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 5024 wrote to memory of 3252	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 5024 wrote to memory of 3252	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 5024 wrote to memory of 3252	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 5024 wrote to memory of 3252	5024	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
"C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.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:5024
- 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\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2256
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mSlzubsZb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3324
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mSlzubsZb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE138.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:372
- C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
  "C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3252

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
8a61a49b85d121dde0050d7166285075

SHA1
f7e0fdd10ec5fe7e8671c3cbc28d83c249898c94

SHA256
f392be2bbfd44ef51476ef69685be2ed915547345dc1a9093f868c3bc7b0462a

SHA512
b6e41d3bbcb589ef0a7f9c1f5edbf40044db7af19ba385d8e339230fa33a11651b70f0fd10a22f17300651743298e759e5cc1505e39d1cba347e54ebfac46f99

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0etm1q1p.oae.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE138.tmp

Filesize
1KB

MD5
7bb3f3b764e660985fe7a47806a5dda1

SHA1
c9dbcd7cc18a7e0eb2b9df16081f9c9dc544ce75

SHA256
74d38e36b79e7370fdcb885b1f98d56bc88524f6ca9dfac53c7d585995a0a712

SHA512
9f259eff0c40796fe99498b3ede25fce87452692ccd5ee1420b765022dbc5553542d394c53f7cecbdc885e0370458912376f0fbca2fb67b2a40bf55698b4d423

Download Submit
memory/2256-63-0x00000000754D0000-0x000000007551C000-memory.dmp

Filesize
304KB

Download
memory/2256-15-0x0000000004760000-0x0000000004796000-memory.dmp

Filesize
216KB

Download
memory/2256-24-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/2256-81-0x0000000007380000-0x000000000739A000-memory.dmp

Filesize
104KB

Download
memory/2256-80-0x0000000007280000-0x0000000007294000-memory.dmp

Filesize
80KB

Download
memory/2256-79-0x0000000007270000-0x000000000727E000-memory.dmp

Filesize
56KB

Download
memory/2256-50-0x0000000005D90000-0x0000000005DDC000-memory.dmp

Filesize
304KB

Download
memory/2256-23-0x00000000055A0000-0x00000000055C2000-memory.dmp

Filesize
136KB

Download
memory/2256-16-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2256-17-0x0000000004F40000-0x0000000005568000-memory.dmp

Filesize
6.2MB

Download
memory/2256-18-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2256-49-0x0000000005D00000-0x0000000005D1E000-memory.dmp

Filesize
120KB

Download
memory/2256-21-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2256-25-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/2256-89-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3324-75-0x00000000073D0000-0x00000000073EA000-memory.dmp

Filesize
104KB

Download
memory/3324-19-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-88-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-33-0x0000000005A80000-0x0000000005DD4000-memory.dmp

Filesize
3.3MB

Download
memory/3324-22-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-82-0x00000000076F0000-0x00000000076F8000-memory.dmp

Filesize
32KB

Download
memory/3324-78-0x00000000075D0000-0x00000000075E1000-memory.dmp

Filesize
68KB

Download
memory/3324-76-0x0000000007440000-0x000000000744A000-memory.dmp

Filesize
40KB

Download
memory/3324-77-0x0000000007650000-0x00000000076E6000-memory.dmp

Filesize
600KB

Download
memory/3324-52-0x00000000754D0000-0x000000007551C000-memory.dmp

Filesize
304KB

Download
memory/3324-51-0x0000000007030000-0x0000000007062000-memory.dmp

Filesize
200KB

Download
memory/3324-62-0x0000000007070000-0x000000000708E000-memory.dmp

Filesize
120KB

Download
memory/3324-72-0x00000000070A0000-0x0000000007143000-memory.dmp

Filesize
652KB

Download
memory/3324-31-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-74-0x0000000007A20000-0x000000000809A000-memory.dmp

Filesize
6.5MB

Download
memory/5024-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/5024-6-0x00000000059E0000-0x0000000005A7C000-memory.dmp

Filesize
624KB

Download
memory/5024-10-0x00000000084D0000-0x000000000854A000-memory.dmp

Filesize
488KB

Download
memory/5024-4-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/5024-9-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/5024-8-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/5024-48-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/5024-7-0x00000000059C0000-0x00000000059D2000-memory.dmp

Filesize
72KB

Download
memory/5024-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/5024-1-0x0000000000CA0000-0x0000000000D3A000-memory.dmp

Filesize
616KB

Download
memory/5024-5-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/5024-3-0x0000000005710000-0x00000000057A2000-memory.dmp

Filesize
584KB

Download