formbook | aef989d19eb5f5d3042ccb78cb984327a90cf1946522c42bd34bed927fe80c0b

General

Target

PI2009153.exe
Size

435KB
MD5

2261b6b87980a9fe9d22499c32af581a
SHA1

ad538af5295f9b670f3bc23c6d4c3bf79d388572
SHA256

a6ec6fd1e4c0673bde9231a68752edca4fb9fda60e342cd735ff53729d262da8
SHA512

600416010f13514e3faa2fdda94df93ae89b6f964381ee02c1a9a982a6aaec2c823bb7235b57bee33ab5c8e07f89293c1ca988f9f772e5da207f3d8336fcbde9
SSDEEP

12288:aZ41MVuZj2uUPrxLfCl2/reQIh2+J6tzyvscuPbR:aZ9VUfCrxjCUeFh2+JWuvscER

Score

10^/10

formbook xloader 8ah discovery loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

8ah

Decoy

outcrewz.com

superstormkleenup.com

onewildmermaid.com

awhvh.com

fundacionamoryesperanza.com

raisingabbi.com

peersonpurpose.com

brasilliana.com

bkkshutter68.com

revistaartesanato.net

machadiet.com

hurricanefloodcleaning.com

poshmargarita.life

skyhighet.com

letsgetrealyyc.com

wiringplusllc.com

news3105.pictures

huaxiangyan.com

telesecretariat-medical.com

imcc-j.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1484-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/1484-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2716-24-0x00000000008B0000-0x00000000008D8000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	raserver.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ZNZLKZIXWDW = "C:\\Program Files (x86)\\Ojrap\\configdzg4a.exe"	raserver.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4860 set thread context of 1484	4860	PI2009153.exe	100
PID 1484 set thread context of 3436	1484	PI2009153.exe	56
PID 2716 set thread context of 3436	2716	raserver.exe	56

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Ojrap\configdzg4a.exe	raserver.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PI2009153.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
1484	PI2009153.exe
1484	PI2009153.exe
1484	PI2009153.exe
1484	PI2009153.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1484	PI2009153.exe
1484	PI2009153.exe
1484	PI2009153.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe
2716	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	PI2009153.exe
Token: SeDebugPrivilege	2716	raserver.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 1484	4860	PI2009153.exe	100
PID 4860 wrote to memory of 1484	4860	PI2009153.exe	100
PID 4860 wrote to memory of 1484	4860	PI2009153.exe	100
PID 4860 wrote to memory of 1484	4860	PI2009153.exe	100
PID 4860 wrote to memory of 1484	4860	PI2009153.exe	100
PID 4860 wrote to memory of 1484	4860	PI2009153.exe	100
PID 3436 wrote to memory of 2716	3436	Explorer.EXE	101
PID 3436 wrote to memory of 2716	3436	Explorer.EXE	101
PID 3436 wrote to memory of 2716	3436	Explorer.EXE	101
PID 2716 wrote to memory of 3744	2716	raserver.exe	102
PID 2716 wrote to memory of 3744	2716	raserver.exe	102
PID 2716 wrote to memory of 3744	2716	raserver.exe	102
PID 2716 wrote to memory of 5096	2716	raserver.exe	105
PID 2716 wrote to memory of 5096	2716	raserver.exe	105
PID 2716 wrote to memory of 5096	2716	raserver.exe	105
PID 2716 wrote to memory of 696	2716	raserver.exe	107
PID 2716 wrote to memory of 696	2716	raserver.exe	107
PID 2716 wrote to memory of 696	2716	raserver.exe	107

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\PI2009153.exe
  "C:\Users\Admin\AppData\Local\Temp\PI2009153.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4860
- - C:\Users\Admin\AppData\Local\Temp\PI2009153.exe
    "C:\Users\Admin\AppData\Local\Temp\PI2009153.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1484
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PI2009153.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3744
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5096
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

Download Submit
memory/1484-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1484-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1484-19-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

Filesize
64KB

Download
memory/1484-16-0x0000000000F00000-0x000000000124A000-memory.dmp

Filesize
3.3MB

Download
memory/2716-24-0x00000000008B0000-0x00000000008D8000-memory.dmp

Filesize
160KB

Download
memory/2716-23-0x0000000000F90000-0x0000000000FAF000-memory.dmp

Filesize
124KB

Download
memory/2716-21-0x0000000000F90000-0x0000000000FAF000-memory.dmp

Filesize
124KB

Download
memory/3436-30-0x0000000008300000-0x0000000008418000-memory.dmp

Filesize
1.1MB

Download
memory/3436-29-0x0000000008300000-0x0000000008418000-memory.dmp

Filesize
1.1MB

Download
memory/3436-25-0x0000000008150000-0x00000000082F1000-memory.dmp

Filesize
1.6MB

Download
memory/3436-20-0x0000000008150000-0x00000000082F1000-memory.dmp

Filesize
1.6MB

Download
memory/4860-5-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4860-7-0x0000000005390000-0x00000000053E6000-memory.dmp

Filesize
344KB

Download
memory/4860-15-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4860-11-0x00000000060C0000-0x0000000006108000-memory.dmp

Filesize
288KB

Download
memory/4860-10-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4860-9-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4860-8-0x0000000005180000-0x0000000005192000-memory.dmp

Filesize
72KB

Download
memory/4860-12-0x0000000005D80000-0x0000000005DAE000-memory.dmp

Filesize
184KB

Download
memory/4860-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4860-6-0x0000000005140000-0x000000000514A000-memory.dmp

Filesize
40KB

Download
memory/4860-4-0x00000000051A0000-0x0000000005232000-memory.dmp

Filesize
584KB

Download
memory/4860-3-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/4860-2-0x00000000050A0000-0x000000000513C000-memory.dmp

Filesize
624KB

Download
memory/4860-1-0x0000000000630000-0x00000000006A2000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads