formbook | c33b26b4e4f428acbe2c4fff00184f4a2328c8bb656e4ca4cf189b782cf4b4ea

General

Target

shipping document.exe
Size

526KB
MD5

14d30f3b7fdc0449489e207fb7335551
SHA1

d7d5ead143507bab37cca353fdba10149a1081e4
SHA256

c33b26b4e4f428acbe2c4fff00184f4a2328c8bb656e4ca4cf189b782cf4b4ea
SHA512

47740effe3940259da1d0f25677a5d965947707cb04b6f03008f8aaf31287bc14fe8300c6b8353dbc1600658a06e6f725468d78d74fdb2662735f7e6dced6915

Score

10^/10

formbook xloader a8hq loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

a8hq

Decoy

veteransductcleaning.com

beajtjunkies.com

houseofascofi.com

scottsdalemediator.com

atelyadesign.com

profitcase.pro

imtokenio.club

qinglingpai.com

bigsmile-meal.net

daytonlivestream.com

aspiradores10.online

ytybs120.com

hdatelier.com

bearpierce.com

yeson28ca.com

booklearner.com

m8j9.club

mmophamthinhlegend.space

hq4a7o6zb.com

sophiadaki.online

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1796-63-0x000000000041F2C0-mapping.dmp	xloader
behavioral1/memory/1796-62-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1796-65-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1796-73-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/108-77-0x00000000000C0000-0x00000000000EB000-memory.dmp	xloader
behavioral1/memory/108-81-0x00000000000C0000-0x00000000000EB000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1176 cmd.exe

pid	process
1176	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ipconfig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\YZMPFTBP0B = "C:\\Program Files (x86)\\Fabw\\mfckvkx8zr0.exe"	ipconfig.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

shipping document.exeshipping document.exeipconfig.exe

description	pid	process	target process
PID 1000 set thread context of 1796	1000	shipping document.exe	shipping document.exe
PID 1796 set thread context of 1364	1796	shipping document.exe	Explorer.EXE
PID 1796 set thread context of 1364	1796	shipping document.exe	Explorer.EXE
PID 108 set thread context of 1364	108	ipconfig.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

ipconfig.exe

description ioc process

File opened for modification C:\Program Files (x86)\Fabw\mfckvkx8zr0.exe ipconfig.exe
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

108 ipconfig.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Fabw\mfckvkx8zr0.exe	ipconfig.exe

pid	process
108	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-790309383-526510583-3802439154-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

shipping document.exeshipping document.exeipconfig.exe

pid	process
1000	shipping document.exe
1796	shipping document.exe
1796	shipping document.exe
1796	shipping document.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

shipping document.exeipconfig.exe

pid	process
1796	shipping document.exe
1796	shipping document.exe
1796	shipping document.exe
1796	shipping document.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe
108	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

shipping document.exeshipping document.exeipconfig.exe

description	pid	process
Token: SeDebugPrivilege	1000	shipping document.exe
Token: SeDebugPrivilege	1796	shipping document.exe
Token: SeDebugPrivilege	108	ipconfig.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

shipping document.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1000 wrote to memory of 336	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 336	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 336	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 336	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 1796	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 1796	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 1796	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 1796	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 1796	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 1796	1000	shipping document.exe	shipping document.exe
PID 1000 wrote to memory of 1796	1000	shipping document.exe	shipping document.exe
PID 1364 wrote to memory of 108	1364	Explorer.EXE	ipconfig.exe
PID 1364 wrote to memory of 108	1364	Explorer.EXE	ipconfig.exe
PID 1364 wrote to memory of 108	1364	Explorer.EXE	ipconfig.exe
PID 1364 wrote to memory of 108	1364	Explorer.EXE	ipconfig.exe
PID 108 wrote to memory of 1176	108	ipconfig.exe	cmd.exe
PID 108 wrote to memory of 1176	108	ipconfig.exe	cmd.exe
PID 108 wrote to memory of 1176	108	ipconfig.exe	cmd.exe
PID 108 wrote to memory of 1176	108	ipconfig.exe	cmd.exe
PID 108 wrote to memory of 1064	108	ipconfig.exe	Firefox.exe
PID 108 wrote to memory of 1064	108	ipconfig.exe	Firefox.exe
PID 108 wrote to memory of 1064	108	ipconfig.exe	Firefox.exe
PID 108 wrote to memory of 1064	108	ipconfig.exe	Firefox.exe
PID 108 wrote to memory of 1064	108	ipconfig.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1364

C:\Users\Admin\AppData\Local\Temp\shipping document.exe
"C:\Users\Admin\AppData\Local\Temp\shipping document.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000

C:\Users\Admin\AppData\Local\Temp\shipping document.exe
"{path}"
3⤵
PID:336

C:\Users\Admin\AppData\Local\Temp\shipping document.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1796

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:108

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping document.exe"
3⤵
- Deletes itself
PID:1176

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1064

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/108-81-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/108-79-0x0000000000620000-0x00000000006B0000-memory.dmp

Filesize
576KB

Download
memory/108-78-0x00000000020D0000-0x00000000023D3000-memory.dmp

Filesize
3.0MB

Download
memory/108-77-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/108-76-0x00000000006E0000-0x00000000006EA000-memory.dmp

Filesize
40KB

Download
memory/108-72-0x0000000000000000-mapping.dmp

Download
memory/1000-54-0x0000000000AD0000-0x0000000000B5A000-memory.dmp

Filesize
552KB

Download
memory/1000-55-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1000-56-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/1000-57-0x0000000005260000-0x00000000052E0000-memory.dmp

Filesize
512KB

Download
memory/1000-58-0x0000000002000000-0x0000000002032000-memory.dmp

Filesize
200KB

Download
memory/1176-75-0x0000000000000000-mapping.dmp

Download
memory/1364-68-0x0000000006B60000-0x0000000006CEB000-memory.dmp

Filesize
1.5MB

Download
memory/1364-71-0x0000000004F70000-0x000000000506F000-memory.dmp

Filesize
1020KB

Download
memory/1364-80-0x0000000004960000-0x0000000004A1A000-memory.dmp

Filesize
744KB

Download
memory/1364-82-0x0000000004960000-0x0000000004A1A000-memory.dmp

Filesize
744KB

Download
memory/1796-70-0x00000000002E0000-0x00000000002F1000-memory.dmp

Filesize
68KB

Download
memory/1796-67-0x0000000000110000-0x0000000000121000-memory.dmp

Filesize
68KB

Download
memory/1796-73-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1796-66-0x0000000000B60000-0x0000000000E63000-memory.dmp

Filesize
3.0MB

Download
memory/1796-65-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1796-62-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1796-63-0x000000000041F2C0-mapping.dmp

Download
memory/1796-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1796-59-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads