formbook | b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5

Analysis

max time kernel
102s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-10-2024 09:26

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General

Target

b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
Size

580KB
MD5

b6ace82ca0cb9b68828eb46e51739e90
SHA1

31021eee20bc7be003b29968cdfde3b2a2aec56c
SHA256

b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5
SHA512

291ae5b8506282245b0a38976b33d080b692ee26fe3b093cc8903667e9b3a26de6032191c689585f6bf22f7856f45cd061a09877597569cec7d0a720e50cc9f7
SSDEEP

12288:Co9QlwdedsgcQukU7VzTBlUh96ny0UNxYyhzvvkxr/UgVJVicty+Vo3X:ComaTgvukU7hdZkbphzXkxDt/VicU+

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/2028-31-0x0000000002F20000-0x0000000002F4F000-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
2140	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 3996	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	101

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	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
2140	powershell.exe
2140	powershell.exe
2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
3996	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
3996	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
Token: SeDebugPrivilege	2140	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2140	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	99
PID 2028 wrote to memory of 2140	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	99
PID 2028 wrote to memory of 2140	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	99
PID 2028 wrote to memory of 3996	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	101
PID 2028 wrote to memory of 3996	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	101
PID 2028 wrote to memory of 3996	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	101
PID 2028 wrote to memory of 3996	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	101
PID 2028 wrote to memory of 3996	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	101
PID 2028 wrote to memory of 3996	2028	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe	101

C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
"C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.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:2028
- 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\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2140
- C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe
  "C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5N.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3996

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_qk2ny15a.eoe.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2028-10-0x000000000A8A0000-0x000000000A93C000-memory.dmp

Filesize
624KB

Download
memory/2028-1-0x0000000000B20000-0x0000000000BB8000-memory.dmp

Filesize
608KB

Download
memory/2028-36-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2028-4-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2028-5-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/2028-6-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/2028-7-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2028-31-0x0000000002F20000-0x0000000002F4F000-memory.dmp

Filesize
188KB

Download
memory/2028-9-0x0000000006A70000-0x0000000006AE6000-memory.dmp

Filesize
472KB

Download
memory/2028-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/2028-11-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2028-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

Filesize
5.6MB

Download
memory/2028-3-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/2028-8-0x0000000005AB0000-0x0000000005AC2000-memory.dmp

Filesize
72KB

Download
memory/2140-12-0x0000000000E30000-0x0000000000E66000-memory.dmp

Filesize
216KB

Download
memory/2140-38-0x00000000061A0000-0x00000000061D2000-memory.dmp

Filesize
200KB

Download
memory/2140-17-0x0000000004C00000-0x0000000004C22000-memory.dmp

Filesize
136KB

Download
memory/2140-18-0x0000000004DA0000-0x0000000004E06000-memory.dmp

Filesize
408KB

Download
memory/2140-19-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/2140-15-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2140-13-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2140-14-0x0000000004EB0000-0x00000000054D8000-memory.dmp

Filesize
6.2MB

Download
memory/2140-29-0x0000000005600000-0x0000000005954000-memory.dmp

Filesize
3.3MB

Download
memory/2140-33-0x0000000005BF0000-0x0000000005C3C000-memory.dmp

Filesize
304KB

Download
memory/2140-63-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2140-30-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

Filesize
120KB

Download
memory/2140-37-0x000000007F530000-0x000000007F540000-memory.dmp

Filesize
64KB

Download
memory/2140-16-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2140-39-0x000000006EFC0000-0x000000006F00C000-memory.dmp

Filesize
304KB

Download
memory/2140-50-0x0000000006D90000-0x0000000006DAE000-memory.dmp

Filesize
120KB

Download
memory/2140-45-0x0000000004870000-0x0000000004880000-memory.dmp

Filesize
64KB

Download
memory/2140-51-0x0000000006DB0000-0x0000000006E53000-memory.dmp

Filesize
652KB

Download
memory/2140-52-0x0000000007530000-0x0000000007BAA000-memory.dmp

Filesize
6.5MB

Download
memory/2140-53-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

Filesize
104KB

Download
memory/2140-54-0x0000000006F60000-0x0000000006F6A000-memory.dmp

Filesize
40KB

Download
memory/2140-55-0x0000000007170000-0x0000000007206000-memory.dmp

Filesize
600KB

Download
memory/2140-56-0x00000000070F0000-0x0000000007101000-memory.dmp

Filesize
68KB

Download
memory/2140-57-0x0000000007120000-0x000000000712E000-memory.dmp

Filesize
56KB

Download
memory/2140-58-0x0000000007130000-0x0000000007144000-memory.dmp

Filesize
80KB

Download
memory/2140-59-0x0000000007230000-0x000000000724A000-memory.dmp

Filesize
104KB

Download
memory/2140-60-0x0000000007210000-0x0000000007218000-memory.dmp

Filesize
32KB

Download
memory/3996-35-0x00000000010A0000-0x00000000013EA000-memory.dmp

Filesize
3.3MB

Download