formbook | 37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30

Analysis

max time kernel
93s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 13:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe
Size

741KB
MD5

a80b0f238e276d18a60b69987e3971ac
SHA1

505fff2c677555ed2a6faaff2cd070829c1e545e
SHA256

37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30
SHA512

8dbb433c2f5dcec0bea4579ac475b8c9e9cf26e3cb75aad1e3b70a889331e9ad8eedb735422a5f73496b7105fb4ec5a29acaef3cceeece2edaa526685d752543
SSDEEP

12288:cIzjLf30WH0TwOqp06yaHZQla0tJfFFg4vqtwnZS8Qp7xQ6JtpOQ5tRyMJTQA6OH:Xjj0ywkpNXWlTJfF1CeWxxxT9tRWAtH

Score

10^/10

formbook hy08 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy08

Decoy

weazc.top

servoceimmpajhnuz.info

vqemkdhi.xyz

wergol.com

spa-mk.com

rtpsid88.life

tatetits.fun

raidsa.xyz

suojiansuode.net

jointhejunction.com

wudai.net

typeboot.shop

mksport-app.com

miocloud.ovh

taipan77pandan.com

wwwhg58a.com

khuahamiksai31.pro

carpedatumllc.net

safebinders.com

krx21.com

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/1884-23-0x0000000000400000-0x000000000042F000-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
1480	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4292 set thread context of 1884	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	99

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	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.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

pid	Process
1320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1884	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe
1884	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe
1480	powershell.exe
1480	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 1480	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	95
PID 4292 wrote to memory of 1480	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	95
PID 4292 wrote to memory of 1480	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	95
PID 4292 wrote to memory of 1320	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	97
PID 4292 wrote to memory of 1320	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	97
PID 4292 wrote to memory of 1320	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	97
PID 4292 wrote to memory of 1884	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	99
PID 4292 wrote to memory of 1884	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	99
PID 4292 wrote to memory of 1884	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	99
PID 4292 wrote to memory of 1884	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	99
PID 4292 wrote to memory of 1884	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	99
PID 4292 wrote to memory of 1884	4292	37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe	99

C:\Users\Admin\AppData\Local\Temp\37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe
"C:\Users\Admin\AppData\Local\Temp\37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fECBldIROsE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1480
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fECBldIROsE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF79E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1320
- C:\Users\Admin\AppData\Local\Temp\37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe
  "C:\Users\Admin\AppData\Local\Temp\37712bec3e83a2af5e4c4bd823e6bc474b121d3bcbac979232e074cf9ec62b30.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1884

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b5i3wsgo.5qd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF79E.tmp

Filesize
1KB

MD5
1e8db3892ad81f520c418a4030c676b9

SHA1
6eb6ffc00700ae3065931a083aa3fafb7c1bfa8c

SHA256
ec02e178a4fbda33e4519a0f86cf79541a0af8013b2c9192ee460cd39de7931b

SHA512
e905c63384e1b2db1d42f830ff3b5391f1fa98a128777ee69d5467344959c94e56d4b86576b687e8a1550c99b03bc4a4472b6e6b32211981aa69cdc57cc6efab

Download Submit
memory/1480-18-0x0000000002D30000-0x0000000002D66000-memory.dmp

Filesize
216KB

Download
memory/1480-40-0x0000000006700000-0x000000000674C000-memory.dmp

Filesize
304KB

Download
memory/1480-63-0x0000000007BC0000-0x0000000007BD4000-memory.dmp

Filesize
80KB

Download
memory/1480-62-0x0000000007BB0000-0x0000000007BBE000-memory.dmp

Filesize
56KB

Download
memory/1480-61-0x0000000007B80000-0x0000000007B91000-memory.dmp

Filesize
68KB

Download
memory/1480-60-0x0000000007C00000-0x0000000007C96000-memory.dmp

Filesize
600KB

Download
memory/1480-59-0x0000000007A00000-0x0000000007A0A000-memory.dmp

Filesize
40KB

Download
memory/1480-58-0x0000000007980000-0x000000000799A000-memory.dmp

Filesize
104KB

Download
memory/1480-57-0x0000000007FD0000-0x000000000864A000-memory.dmp

Filesize
6.5MB

Download
memory/1480-56-0x0000000007860000-0x0000000007903000-memory.dmp

Filesize
652KB

Download
memory/1480-55-0x0000000006C40000-0x0000000006C5E000-memory.dmp

Filesize
120KB

Download
memory/1480-53-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/1480-42-0x0000000007620000-0x0000000007652000-memory.dmp

Filesize
200KB

Download
memory/1480-64-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

Filesize
104KB

Download
memory/1480-25-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1480-65-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

Filesize
32KB

Download
memory/1480-22-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1480-43-0x00000000716C0000-0x000000007170C000-memory.dmp

Filesize
304KB

Download
memory/1480-21-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/1480-41-0x000000007F680000-0x000000007F690000-memory.dmp

Filesize
64KB

Download
memory/1480-54-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/1480-29-0x0000000006010000-0x0000000006076000-memory.dmp

Filesize
408KB

Download
memory/1480-68-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1480-28-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/1480-39-0x00000000066A0000-0x00000000066BE000-memory.dmp

Filesize
120KB

Download
memory/1480-19-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/1884-26-0x0000000001860000-0x0000000001BAA000-memory.dmp

Filesize
3.3MB

Download
memory/1884-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4292-11-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/4292-27-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4292-13-0x00000000068A0000-0x0000000006916000-memory.dmp

Filesize
472KB

Download
memory/4292-12-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4292-0-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/4292-10-0x00000000064C0000-0x00000000064D8000-memory.dmp

Filesize
96KB

Download
memory/4292-9-0x0000000006480000-0x00000000064A2000-memory.dmp

Filesize
136KB

Download
memory/4292-8-0x0000000005E80000-0x0000000005E92000-memory.dmp

Filesize
72KB

Download
memory/4292-7-0x00000000064F0000-0x000000000658C000-memory.dmp

Filesize
624KB

Download
memory/4292-6-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

Filesize
40KB

Download
memory/4292-5-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4292-4-0x0000000005B00000-0x0000000005E54000-memory.dmp

Filesize
3.3MB

Download
memory/4292-3-0x00000000058F0000-0x0000000005982000-memory.dmp

Filesize
584KB

Download
memory/4292-2-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/4292-1-0x0000000000E30000-0x0000000000EEE000-memory.dmp

Filesize
760KB

Download