formbook | c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187

Analysis

max time kernel
95s
max time network
148s
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 12:43

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General

Target

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Size

633KB
MD5

8dd4adce71cfa1cd8d33eccf4da34043
SHA1

2da9f1662d721ee5dd32273b45608078b930ad35
SHA256

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187
SHA512

35140a18504b50d0119aa67e01dd3db097a24512e1567580ac8640f9fcf2b908eed8374a8b6476bab6ee9170e2fc7a1a2d2d29de3aadf3d16754917d1e365779
SSDEEP

12288:PXm0LA8PMyhx7WUh0Mzgn1I9CYeXRU9/YZl/ycoInCRngGo315IeypRxDxD0:PA877WU3En18CYeXq1KL4nv615Ij

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

resource	yara_rule
behavioral2/memory/2064-34-0x0000000000400000-0x000000000042F000-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

pid	Process
1476	powershell.exe
3144	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 2064	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.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

pid	Process
3128	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
1476	powershell.exe
3144	powershell.exe
448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2064	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2064	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
1476	powershell.exe
3144	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Token: SeDebugPrivilege	1476	powershell.exe
Token: SeDebugPrivilege	3144	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 1476	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	99
PID 448 wrote to memory of 1476	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	99
PID 448 wrote to memory of 1476	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	99
PID 448 wrote to memory of 3144	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	101
PID 448 wrote to memory of 3144	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	101
PID 448 wrote to memory of 3144	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	101
PID 448 wrote to memory of 3128	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	103
PID 448 wrote to memory of 3128	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	103
PID 448 wrote to memory of 3128	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	103
PID 448 wrote to memory of 2064	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 448 wrote to memory of 2064	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 448 wrote to memory of 2064	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 448 wrote to memory of 2064	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 448 wrote to memory of 2064	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105
PID 448 wrote to memory of 2064	448	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	105

C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
"C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.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:448
- 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\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1476
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mtDSkHtnsz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3144
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mtDSkHtnsz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD91A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3128
- C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
  "C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2064

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
0736dd6d3a730f8a8b7efb471cd7b71e

SHA1
a4ea5d1f862ed852ccc9fb8e554bb10ae82142c9

SHA256
7540e44eb2941b8974e3fc88d1bae96978f7ac7d2a05575280d6765abba4202b

SHA512
4ddb9112d62a5207d6d99886b2cf8dcf115e6e546b66c08dcd39ac0e5078a5b2d76fc1a59c23eb9a51f35b9b704440514444079f8fad2f95bbcb69eb5ab679eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_egyyarri.p5p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD91A.tmp

Filesize
1KB

MD5
2e6ad02464b88f92fb5a8ce3ff3b00c7

SHA1
e1aa3eac8dff656b82f31dbda735bd085284e6eb

SHA256
6655beeb13058d91c14b018f2450142ada21cf574bd943963f3675c3c0ec3d12

SHA512
65c9a2f7021beedfef397ac02e5d93c2250079acfce56c128be13cfdc7405fa9e0ac15c23459514c4badcf97006b35fa630d34267dfac3e2905e2871845b7c35

Download Submit
memory/448-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/448-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/448-6-0x00000000057D0000-0x000000000586C000-memory.dmp

Filesize
624KB

Download
memory/448-7-0x0000000005530000-0x0000000005542000-memory.dmp

Filesize
72KB

Download
memory/448-8-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/448-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/448-10-0x0000000006B40000-0x0000000006BBA000-memory.dmp

Filesize
488KB

Download
memory/448-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/448-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/448-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/448-48-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/448-1-0x0000000000B90000-0x0000000000C34000-memory.dmp

Filesize
656KB

Download
memory/1476-15-0x0000000002460000-0x0000000002496000-memory.dmp

Filesize
216KB

Download
memory/1476-31-0x00000000057A0000-0x0000000005AF4000-memory.dmp

Filesize
3.3MB

Download
memory/1476-22-0x0000000004EA0000-0x0000000004F06000-memory.dmp

Filesize
408KB

Download
memory/1476-21-0x0000000004D80000-0x0000000004DA2000-memory.dmp

Filesize
136KB

Download
memory/1476-89-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-78-0x0000000007270000-0x0000000007281000-memory.dmp

Filesize
68KB

Download
memory/1476-23-0x0000000005730000-0x0000000005796000-memory.dmp

Filesize
408KB

Download
memory/1476-77-0x00000000072F0000-0x0000000007386000-memory.dmp

Filesize
600KB

Download
memory/1476-17-0x0000000005090000-0x00000000056B8000-memory.dmp

Filesize
6.2MB

Download
memory/1476-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-82-0x0000000007390000-0x0000000007398000-memory.dmp

Filesize
32KB

Download
memory/1476-81-0x00000000073B0000-0x00000000073CA000-memory.dmp

Filesize
104KB

Download
memory/1476-62-0x0000000074FF0000-0x000000007503C000-memory.dmp

Filesize
304KB

Download
memory/1476-80-0x00000000072B0000-0x00000000072C4000-memory.dmp

Filesize
80KB

Download
memory/1476-72-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

Filesize
120KB

Download
memory/1476-73-0x0000000006D20000-0x0000000006DC3000-memory.dmp

Filesize
652KB

Download
memory/1476-79-0x00000000072A0000-0x00000000072AE000-memory.dmp

Filesize
56KB

Download
memory/2064-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3144-32-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3144-76-0x0000000007190000-0x000000000719A000-memory.dmp

Filesize
40KB

Download
memory/3144-75-0x0000000007120000-0x000000000713A000-memory.dmp

Filesize
104KB

Download
memory/3144-74-0x0000000007770000-0x0000000007DEA000-memory.dmp

Filesize
6.5MB

Download
memory/3144-51-0x0000000006F90000-0x0000000006FC2000-memory.dmp

Filesize
200KB

Download
memory/3144-52-0x0000000074FF0000-0x000000007503C000-memory.dmp

Filesize
304KB

Download
memory/3144-50-0x0000000005E90000-0x0000000005EDC000-memory.dmp

Filesize
304KB

Download
memory/3144-49-0x0000000005E00000-0x0000000005E1E000-memory.dmp

Filesize
120KB

Download
memory/3144-30-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3144-88-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3144-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download