formbook | 251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87

Analysis

max time kernel
41s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 01:12

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General

Target

251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
Size

608KB
MD5

0559acbaacfcf93cefd8bcbfd498bfe4
SHA1

26142b0abd1848a4aeb96e63ed74836e5af67823
SHA256

251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87
SHA512

e6ca8522526fcd0875d97ee1a77bcc3d11e78c6b72d7c2332331c59daae2bc2adb32ce6c803ebdaa27d4990575688acc09c6cca09664d419353f6f3ee848bcdd
SSDEEP

12288:yEJwtNcDfRDyLA7sGpEBVgWd/3cN1h89cdQpNIcaiwLjnp+YDj:lHfROLIsGUVD1cTh89BZaiQ7x/

Score

10^/10

formbook ps94 execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps94

Decoy

gokorgiboard.com

17tk558f.com

xbtdlz.com

agence-dyf.com

azovtour.com

refreshoutdoors.shop

muyidajs.com

bull007s.autos

huskyacres.net

nryijx628b.xyz

romansotam.com

norlac.xyz

dorsetbusinessforum.com

prpasti.shop

amycostellospeech.com

dpaijvpiajvpin.top

rinabet371.com

corporatebushcraft.com

0755xx.com

wxsjlwkj2019.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook payload 1 IoCs
rat

Processes:

resource yara_rule

behavioral2/memory/3124-10-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid process

4640 powershell.exe

resource	yara_rule
behavioral2/memory/3124-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

pid	process
4640	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:

251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe

description	pid	process	target process
PID 2544 set thread context of 3124	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exepowershell.exe

pid process

3124 251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
3124 251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
4640 powershell.exe
4640 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4640 powershell.exe

pid	process
3124	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
3124	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
4640	powershell.exe
4640	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4640	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe

description	pid	process	target process
PID 2544 wrote to memory of 4640	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	powershell.exe
PID 2544 wrote to memory of 4640	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	powershell.exe
PID 2544 wrote to memory of 4640	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	powershell.exe
PID 2544 wrote to memory of 3124	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
PID 2544 wrote to memory of 3124	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
PID 2544 wrote to memory of 3124	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
PID 2544 wrote to memory of 3124	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
PID 2544 wrote to memory of 3124	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
PID 2544 wrote to memory of 3124	2544	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe	251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe

C:\Users\Admin\AppData\Local\Temp\251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
"C:\Users\Admin\AppData\Local\Temp\251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2544

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\251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640

C:\Users\Admin\AppData\Local\Temp\251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe
"C:\Users\Admin\AppData\Local\Temp\251f9b9b5d35ad3ca96da825cea2a7b95f97872a5c6994a9123e203d41093a87.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3124

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y5o2txdy.syq.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2544-1-0x00000000003A0000-0x000000000043E000-memory.dmp

Filesize
632KB

Download
memory/2544-2-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/2544-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

Filesize
584KB

Download
memory/2544-4-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Filesize
40KB

Download
memory/2544-5-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2544-6-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2544-7-0x00000000052A0000-0x00000000052AC000-memory.dmp

Filesize
48KB

Download
memory/2544-8-0x00000000052F0000-0x0000000005366000-memory.dmp

Filesize
472KB

Download
memory/2544-9-0x000000000C3D0000-0x000000000C46C000-memory.dmp

Filesize
624KB

Download
memory/2544-0-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/2544-12-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/3124-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3124-13-0x00000000013D0000-0x000000000171A000-memory.dmp

Filesize
3.3MB

Download
memory/4640-45-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/4640-60-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/4640-46-0x0000000007090000-0x0000000007133000-memory.dmp

Filesize
652KB

Download
memory/4640-18-0x0000000004FC0000-0x0000000004FE2000-memory.dmp

Filesize
136KB

Download
memory/4640-19-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/4640-20-0x00000000057C0000-0x0000000005826000-memory.dmp

Filesize
408KB

Download
memory/4640-15-0x00000000048B0000-0x00000000048E6000-memory.dmp

Filesize
216KB

Download
memory/4640-30-0x0000000005870000-0x0000000005BC4000-memory.dmp

Filesize
3.3MB

Download
memory/4640-31-0x0000000005E90000-0x0000000005EAE000-memory.dmp

Filesize
120KB

Download
memory/4640-32-0x0000000005F20000-0x0000000005F6C000-memory.dmp

Filesize
304KB

Download
memory/4640-33-0x0000000006470000-0x00000000064A2000-memory.dmp

Filesize
200KB

Download
memory/4640-34-0x00000000706C0000-0x000000007070C000-memory.dmp

Filesize
304KB

Download
memory/4640-17-0x0000000005040000-0x0000000005668000-memory.dmp

Filesize
6.2MB

Download
memory/4640-16-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/4640-53-0x00000000073B0000-0x00000000073C1000-memory.dmp

Filesize
68KB

Download
memory/4640-44-0x0000000007070000-0x000000000708E000-memory.dmp

Filesize
120KB

Download
memory/4640-48-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/4640-49-0x00000000077F0000-0x0000000007E6A000-memory.dmp

Filesize
6.5MB

Download
memory/4640-50-0x00000000071B0000-0x00000000071CA000-memory.dmp

Filesize
104KB

Download
memory/4640-51-0x0000000007220000-0x000000000722A000-memory.dmp

Filesize
40KB

Download
memory/4640-52-0x0000000007430000-0x00000000074C6000-memory.dmp

Filesize
600KB

Download
memory/4640-47-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/4640-54-0x00000000073E0000-0x00000000073EE000-memory.dmp

Filesize
56KB

Download
memory/4640-55-0x00000000073F0000-0x0000000007404000-memory.dmp

Filesize
80KB

Download
memory/4640-56-0x00000000074F0000-0x000000000750A000-memory.dmp

Filesize
104KB

Download
memory/4640-57-0x00000000074D0000-0x00000000074D8000-memory.dmp

Filesize
32KB

Download
memory/4640-14-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download