formbook | 9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 01:40

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General

Target

9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
Size

637KB
MD5

f48f1b6145eb795061ee91642a07cfa4
SHA1

5d8ab68c809005ad6495b04e3fe11e306ee71cbd
SHA256

9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520
SHA512

69164b98afc612343d1eebd1d98ae544b1954bbaacb9444ceccc16894027f89e5eb3b7b807f7e24eb3fe7e76a829d67d93642c767d40d88c6e1d2f9013ea2a44
SSDEEP

12288:8I4QpjndCej981lKV+qspbem0HFnOXKizT3i/q8re+JvvYnQckR:8InjdCaKocam0HFOa+SQe

Score

10^/10

formbook ss24 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss24

Decoy

agingwellhc.com

unikbetanggur.autos

eb2024yl.top

ja380.xyz

thehalcyon.studio

maudsoogrim.com

esteler10.click

mewtcp.xyz

www-zjbf1.club

kucinglucu.online

lunwencheck.com

65597.photos

erbxeu358h.top

startable.online

yousend.xyz

csharksg.com

centricoatings.com

ntruhslearn.xyz

achabakra.xyz

zuntool.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/1480-20-0x0000000000400000-0x000000000042F000-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
4840	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-1-5-21-3774859476-2260090144-3466365324-1000\Control Panel\International\Geo\Nation	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 1480	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	92

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	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.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
1388	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4840	powershell.exe
1480	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
1480	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
4840	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4840	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	88
PID 4712 wrote to memory of 4840	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	88
PID 4712 wrote to memory of 4840	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	88
PID 4712 wrote to memory of 1388	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	90
PID 4712 wrote to memory of 1388	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	90
PID 4712 wrote to memory of 1388	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	90
PID 4712 wrote to memory of 1480	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	92
PID 4712 wrote to memory of 1480	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	92
PID 4712 wrote to memory of 1480	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	92
PID 4712 wrote to memory of 1480	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	92
PID 4712 wrote to memory of 1480	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	92
PID 4712 wrote to memory of 1480	4712	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	92

C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
"C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WwRzxUm.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4840
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WwRzxUm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF935.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1388
- C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
  "C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1480

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\Temp\__PSScriptPolicyTest_ololeked.nc0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF935.tmp

Filesize
1KB

MD5
f5058606abad8b0e05f7536981f218a7

SHA1
abe945fdcfa034aaabfa1f706d4d29de688e6808

SHA256
ac652ca271748c4e4d01e9c89352f7ec11af6187ba0c435a8a088697025a1ce5

SHA512
5a1fd362639e391e3b065f127e4face354986960592268567d694396f5e9401858ec2669e3c4e9105dd20bd95d62587e48d45ebfa0225c6a96292ef290406319

Download Submit
memory/1480-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1480-27-0x0000000001540000-0x000000000188A000-memory.dmp

Filesize
3.3MB

Download
memory/4712-8-0x0000000006B00000-0x0000000006B76000-memory.dmp

Filesize
472KB

Download
memory/4712-5-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/4712-6-0x0000000005B50000-0x0000000005B66000-memory.dmp

Filesize
88KB

Download
memory/4712-7-0x0000000005D10000-0x0000000005D1E000-memory.dmp

Filesize
56KB

Download
memory/4712-4-0x0000000005960000-0x000000000596A000-memory.dmp

Filesize
40KB

Download
memory/4712-9-0x00000000092D0000-0x000000000936C000-memory.dmp

Filesize
624KB

Download
memory/4712-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/4712-3-0x00000000058A0000-0x0000000005932000-memory.dmp

Filesize
584KB

Download
memory/4712-26-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/4712-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/4712-1-0x0000000000F60000-0x0000000000FFE000-memory.dmp

Filesize
632KB

Download
memory/4712-22-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/4840-14-0x0000000002580000-0x00000000025B6000-memory.dmp

Filesize
216KB

Download
memory/4840-42-0x0000000071080000-0x00000000710CC000-memory.dmp

Filesize
304KB

Download
memory/4840-23-0x0000000004F60000-0x0000000004F82000-memory.dmp

Filesize
136KB

Download
memory/4840-18-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/4840-17-0x0000000004FF0000-0x0000000005618000-memory.dmp

Filesize
6.2MB

Download
memory/4840-15-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/4840-28-0x00000000058B0000-0x0000000005C04000-memory.dmp

Filesize
3.3MB

Download
memory/4840-25-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/4840-24-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/4840-38-0x0000000005F20000-0x0000000005F3E000-memory.dmp

Filesize
120KB

Download
memory/4840-39-0x0000000005F50000-0x0000000005F9C000-memory.dmp

Filesize
304KB

Download
memory/4840-40-0x000000007F270000-0x000000007F280000-memory.dmp

Filesize
64KB

Download
memory/4840-41-0x00000000064E0000-0x0000000006512000-memory.dmp

Filesize
200KB

Download
memory/4840-19-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/4840-52-0x00000000064C0000-0x00000000064DE000-memory.dmp

Filesize
120KB

Download
memory/4840-53-0x0000000006F20000-0x0000000006FC3000-memory.dmp

Filesize
652KB

Download
memory/4840-54-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/4840-55-0x0000000007240000-0x000000000725A000-memory.dmp

Filesize
104KB

Download
memory/4840-56-0x00000000072B0000-0x00000000072BA000-memory.dmp

Filesize
40KB

Download
memory/4840-57-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/4840-58-0x0000000007440000-0x0000000007451000-memory.dmp

Filesize
68KB

Download
memory/4840-59-0x0000000007470000-0x000000000747E000-memory.dmp

Filesize
56KB

Download
memory/4840-60-0x0000000007480000-0x0000000007494000-memory.dmp

Filesize
80KB

Download
memory/4840-61-0x0000000007580000-0x000000000759A000-memory.dmp

Filesize
104KB

Download
memory/4840-62-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/4840-65-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download