formbook | ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6

Analysis

max time kernel
96s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 02:25

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General

Target

ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
Size

1.1MB
MD5

9a2a86186b5ee6d85c0dfe909e310552
SHA1

79708082f50cca5c53860aa6bfc404e2762e4044
SHA256

ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6
SHA512

3654142511c651853f4d27abb8780a7c2ceecb3a96843e0de258d1f4234a8d04f6ba015a4ecf5958152778b37195e9aef57f00140be22c9d7591def90a10d20b
SSDEEP

24576:bf+6UNxk0J9Wq3B8VkkogaAlQj+HbvG13BFt:bG6U80Jkq3B8VzogaokYvGpt

Score

10^/10

formbook v15n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v15n

Decoy

dyahwoahjuk.store

toysstorm.com

y7rak9.com

2222233p6.shop

betbox2341.com

visualvarta.com

nijssenadventures.com

main-12.site

leng4d.net

kurainu.xyz

hatesa.xyz

culturamosaica.com

supermallify.store

gigboard.app

rxforgive.com

ameliestones.com

kapalwin.live

tier.credit

sobol-ksa.com

faredeal.online

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/3208-33-0x0000000000400000-0x000000000042F000-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
1520	powershell.exe
2768	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 3208	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	90

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	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1520	powershell.exe
2768	powershell.exe
1520	powershell.exe
3208	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
3208	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
2768	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1520	powershell.exe
Token: SeDebugPrivilege	2768	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 1520	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	84
PID 2976 wrote to memory of 1520	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	84
PID 2976 wrote to memory of 1520	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	84
PID 2976 wrote to memory of 2768	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	86
PID 2976 wrote to memory of 2768	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	86
PID 2976 wrote to memory of 2768	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	86
PID 2976 wrote to memory of 464	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	87
PID 2976 wrote to memory of 464	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	87
PID 2976 wrote to memory of 464	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	87
PID 2976 wrote to memory of 3208	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	90
PID 2976 wrote to memory of 3208	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	90
PID 2976 wrote to memory of 3208	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	90
PID 2976 wrote to memory of 3208	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	90
PID 2976 wrote to memory of 3208	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	90
PID 2976 wrote to memory of 3208	2976	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	90

C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
"C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- 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\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oFKkby.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oFKkby" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16DE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:464
- C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
  "C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3208

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\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
4b8b14c48513b422d65ed19be1920efe

SHA1
4249b4ad0f1b1d959c708afd06621764dbcda60f

SHA256
6588a622a4d3af09633f66e667f76ead909add918c8547349698a2c8fdb21d7f

SHA512
e451b78128ba80277ebe8a7c251ee2d95506548f136dec6f5abbd4d16d4bf240c8ba9201ee7a4bfca96cabff0a71ef9e5583345dc7e544271ae062b15f3c158b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ppwgaxu.xrb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp16DE.tmp

Filesize
1KB

MD5
e0c971cb820da811b0b44bcc40bc04fa

SHA1
e10d45e9e810a86244e6ddee64f65a3f898e1a90

SHA256
4e1bad2b33e4c163b17ca73f90e6652670ca1f8193667309cd62089b779b0fca

SHA512
ca31f7e8fec9cbe1db69eb4a7f81dbec3f569ec4748941d80d73d20539b29e71bda388ef684beb2913c1f5d01072044a5c1a498aa48ef5827bf3e45e4fa4890e

Download Submit
memory/1520-14-0x0000000002740000-0x0000000002776000-memory.dmp

Filesize
216KB

Download
memory/1520-31-0x0000000005C00000-0x0000000005F54000-memory.dmp

Filesize
3.3MB

Download
memory/1520-82-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/1520-77-0x00000000076D0000-0x00000000076EA000-memory.dmp

Filesize
104KB

Download
memory/1520-76-0x00000000075D0000-0x00000000075E4000-memory.dmp

Filesize
80KB

Download
memory/1520-69-0x0000000007060000-0x0000000007103000-memory.dmp

Filesize
652KB

Download
memory/1520-45-0x0000000006040000-0x000000000605E000-memory.dmp

Filesize
120KB

Download
memory/1520-59-0x00000000759C0000-0x0000000075A0C000-memory.dmp

Filesize
304KB

Download
memory/1520-46-0x0000000006640000-0x000000000668C000-memory.dmp

Filesize
304KB

Download
memory/1520-16-0x00000000053D0000-0x00000000059F8000-memory.dmp

Filesize
6.2MB

Download
memory/1520-17-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/1520-18-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/1520-21-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download
memory/1520-20-0x0000000005130000-0x0000000005196000-memory.dmp

Filesize
408KB

Download
memory/1520-19-0x0000000004F90000-0x0000000004FB2000-memory.dmp

Filesize
136KB

Download
memory/1520-15-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2768-71-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

Filesize
104KB

Download
memory/2768-70-0x0000000007530000-0x0000000007BAA000-memory.dmp

Filesize
6.5MB

Download
memory/2768-78-0x0000000007210000-0x0000000007218000-memory.dmp

Filesize
32KB

Download
memory/2768-75-0x0000000007120000-0x000000000712E000-memory.dmp

Filesize
56KB

Download
memory/2768-47-0x0000000006B60000-0x0000000006B92000-memory.dmp

Filesize
200KB

Download
memory/2768-74-0x00000000070F0000-0x0000000007101000-memory.dmp

Filesize
68KB

Download
memory/2768-48-0x00000000759C0000-0x0000000075A0C000-memory.dmp

Filesize
304KB

Download
memory/2768-58-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

Filesize
120KB

Download
memory/2768-73-0x0000000007170000-0x0000000007206000-memory.dmp

Filesize
600KB

Download
memory/2768-72-0x0000000006F60000-0x0000000006F6A000-memory.dmp

Filesize
40KB

Download
memory/2976-8-0x0000000005520000-0x000000000552E000-memory.dmp

Filesize
56KB

Download
memory/2976-2-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/2976-4-0x0000000005320000-0x000000000532A000-memory.dmp

Filesize
40KB

Download
memory/2976-9-0x0000000006610000-0x0000000006686000-memory.dmp

Filesize
472KB

Download
memory/2976-0-0x000000007511E000-0x000000007511F000-memory.dmp

Filesize
4KB

Download
memory/2976-1-0x0000000000760000-0x0000000000876000-memory.dmp

Filesize
1.1MB

Download
memory/2976-7-0x0000000005510000-0x0000000005522000-memory.dmp

Filesize
72KB

Download
memory/2976-6-0x0000000005530000-0x00000000055CC000-memory.dmp

Filesize
624KB

Download
memory/2976-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/2976-35-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2976-5-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download