formbook | b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/09/2022, 04:14

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General

Target

tmp.exe
Size

293KB
MD5

960b0f8219762d17f6f47ee76275c7c1
SHA1

ed0eaa1b2d7636d74713c86548842cdb72b8c8cd
SHA256

b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5
SHA512

06d9751f85266c92e666400dc911271e3354ca550a12a6e45386f46f23c56e02986d8a763f394ecbe470952379a752cb0ab26dee5dcc8d4cab84d28e34104ccc
SSDEEP

6144:eqJT5/+TVlkf7jWDUaLOjYmCVdKrLVi2D9y4CUFHHv:e61+BIjbaafCi/Vi2D9yJU1

Score

10^/10

formbook xloader zgtb loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

zgtb

Decoy

gabriellep.com

honghe4.xyz

anisaofrendas.com

happy-tile.com

thesulkies.com

international-ipo.com

tazeco.info

hhhzzz.xyz

vrmonster.xyz

theearthresidencia.com

sportape.xyz

elshadaibaterias.com

koredeiihibi.com

taxtaa.com

globalcityb.com

fxivcama.com

dagsmith.com

elmar-bhp.com

peakice.net

jhcdjewelry.com

Signatures

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

Xloader payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/1640-63-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1640-64-0x000000000041F1F0-mapping.dmp	xloader
behavioral1/memory/1640-66-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1184-75-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader
behavioral1/memory/1184-79-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%	Powershell.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	help.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MJOXV418GT = "C:\\Program Files (x86)\\Uqdfh\\msmrrp8zlp.exe"	help.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 1640	1652	tmp.exe	31
PID 1640 set thread context of 1256	1640	aspnet_compiler.exe	16
PID 1184 set thread context of 1256	1184	help.exe	16

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Uqdfh\msmrrp8zlp.exe	help.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1652	tmp.exe
1640	aspnet_compiler.exe
1580	Powershell.exe
1640	aspnet_compiler.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1640	aspnet_compiler.exe
1640	aspnet_compiler.exe
1640	aspnet_compiler.exe
1184	help.exe
1184	help.exe
1184	help.exe
1184	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	tmp.exe
Token: SeDebugPrivilege	1580	Powershell.exe
Token: SeDebugPrivilege	1640	aspnet_compiler.exe
Token: SeDebugPrivilege	1184	help.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1580	1652	tmp.exe	28
PID 1652 wrote to memory of 1580	1652	tmp.exe	28
PID 1652 wrote to memory of 1580	1652	tmp.exe	28
PID 1652 wrote to memory of 1580	1652	tmp.exe	28
PID 1652 wrote to memory of 1512	1652	tmp.exe	30
PID 1652 wrote to memory of 1512	1652	tmp.exe	30
PID 1652 wrote to memory of 1512	1652	tmp.exe	30
PID 1652 wrote to memory of 1512	1652	tmp.exe	30
PID 1652 wrote to memory of 1640	1652	tmp.exe	31
PID 1652 wrote to memory of 1640	1652	tmp.exe	31
PID 1652 wrote to memory of 1640	1652	tmp.exe	31
PID 1652 wrote to memory of 1640	1652	tmp.exe	31
PID 1652 wrote to memory of 1640	1652	tmp.exe	31
PID 1652 wrote to memory of 1640	1652	tmp.exe	31
PID 1652 wrote to memory of 1640	1652	tmp.exe	31
PID 1256 wrote to memory of 1184	1256	Explorer.EXE	32
PID 1256 wrote to memory of 1184	1256	Explorer.EXE	32
PID 1256 wrote to memory of 1184	1256	Explorer.EXE	32
PID 1256 wrote to memory of 1184	1256	Explorer.EXE	32
PID 1184 wrote to memory of 1700	1184	help.exe	33
PID 1184 wrote to memory of 1700	1184	help.exe	33
PID 1184 wrote to memory of 1700	1184	help.exe	33
PID 1184 wrote to memory of 1700	1184	help.exe	33
PID 1184 wrote to memory of 536	1184	help.exe	37
PID 1184 wrote to memory of 536	1184	help.exe	37
PID 1184 wrote to memory of 536	1184	help.exe	37
PID 1184 wrote to memory of 536	1184	help.exe	37
PID 1184 wrote to memory of 536	1184	help.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
    "Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\tmp.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%'
    3⤵
    - Drops startup file
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1580
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1512
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1640
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1700
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1184-79-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1184-77-0x0000000000410000-0x00000000004A0000-memory.dmp

Filesize
576KB

Download
memory/1184-76-0x0000000000B10000-0x0000000000E13000-memory.dmp

Filesize
3.0MB

Download
memory/1184-75-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1184-74-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/1256-70-0x0000000006BE0000-0x0000000006D0B000-memory.dmp

Filesize
1.2MB

Download
memory/1256-80-0x0000000008F70000-0x00000000090EB000-memory.dmp

Filesize
1.5MB

Download
memory/1256-78-0x0000000008F70000-0x00000000090EB000-memory.dmp

Filesize
1.5MB

Download
memory/1580-67-0x000000006FA40000-0x000000006FFEB000-memory.dmp

Filesize
5.7MB

Download
memory/1580-71-0x000000006FA40000-0x000000006FFEB000-memory.dmp

Filesize
5.7MB

Download
memory/1640-61-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1640-69-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/1640-68-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1640-66-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1640-63-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1640-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1652-54-0x0000000000A50000-0x0000000000AA0000-memory.dmp

Filesize
320KB

Download
memory/1652-59-0x00000000001C0000-0x00000000001DC000-memory.dmp

Filesize
112KB

Download
memory/1652-56-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1652-55-0x0000000000480000-0x00000000004C6000-memory.dmp

Filesize
280KB

Download