formbook | 0806d22c60c3de1ea16a521d75e299e95e88bb578bee2d5439761ed7fb43372a

General

Target

shipping doc.exe
Size

457KB
MD5

4e949c0a2785b46e91af2a6b100354de
SHA1

f7634b853f424ebee8052c267713dfaa3cd45023
SHA256

0806d22c60c3de1ea16a521d75e299e95e88bb578bee2d5439761ed7fb43372a
SHA512

55b031f582f6955a3a5c12125c36cc1b215f0475d3db0ce402ac3af5750c15a52bf430285f3f11ee8ee61331bddc59a06af0b2efb36bea0efa6f966ecef6e353

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2000-63-0x000000000041F2C0-mapping.dmp	xloader
behavioral1/memory/2000-62-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2000-65-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1960-72-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader
behavioral1/memory/1960-76-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wininit.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\JPWDVZIX_JQ = "C:\\Program Files (x86)\\D_nux\\gdicz7x.exe"	wininit.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

568 cmd.exe

pid	process
568	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping doc.exeshipping doc.exewininit.exe

description	pid	process	target process
PID 548 set thread context of 2000	548	shipping doc.exe	shipping doc.exe
PID 2000 set thread context of 1196	2000	shipping doc.exe	Explorer.EXE
PID 1960 set thread context of 1196	1960	wininit.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wininit.exe

description ioc process

File opened for modification C:\Program Files (x86)\D_nux\gdicz7x.exe wininit.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\D_nux\gdicz7x.exe	wininit.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wininit.exe

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

shipping doc.exewininit.exe

pid	process
2000	shipping doc.exe
2000	shipping doc.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe
1960	wininit.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

shipping doc.exewininit.exe

pid process

2000 shipping doc.exe
2000 shipping doc.exe
2000 shipping doc.exe
1960 wininit.exe
1960 wininit.exe
1960 wininit.exe
1960 wininit.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

shipping doc.exewininit.exe

description pid process

Token: SeDebugPrivilege 2000 shipping doc.exe
Token: SeDebugPrivilege 1960 wininit.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2000	shipping doc.exe
Token: SeDebugPrivilege	1960	wininit.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

shipping doc.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 548 wrote to memory of 2000	548	shipping doc.exe	shipping doc.exe
PID 548 wrote to memory of 2000	548	shipping doc.exe	shipping doc.exe
PID 548 wrote to memory of 2000	548	shipping doc.exe	shipping doc.exe
PID 548 wrote to memory of 2000	548	shipping doc.exe	shipping doc.exe
PID 548 wrote to memory of 2000	548	shipping doc.exe	shipping doc.exe
PID 548 wrote to memory of 2000	548	shipping doc.exe	shipping doc.exe
PID 548 wrote to memory of 2000	548	shipping doc.exe	shipping doc.exe
PID 1196 wrote to memory of 1960	1196	Explorer.EXE	wininit.exe
PID 1196 wrote to memory of 1960	1196	Explorer.EXE	wininit.exe
PID 1196 wrote to memory of 1960	1196	Explorer.EXE	wininit.exe
PID 1196 wrote to memory of 1960	1196	Explorer.EXE	wininit.exe
PID 1960 wrote to memory of 568	1960	wininit.exe	cmd.exe
PID 1960 wrote to memory of 568	1960	wininit.exe	cmd.exe
PID 1960 wrote to memory of 568	1960	wininit.exe	cmd.exe
PID 1960 wrote to memory of 568	1960	wininit.exe	cmd.exe
PID 1960 wrote to memory of 996	1960	wininit.exe	Firefox.exe
PID 1960 wrote to memory of 996	1960	wininit.exe	Firefox.exe
PID 1960 wrote to memory of 996	1960	wininit.exe	Firefox.exe
PID 1960 wrote to memory of 996	1960	wininit.exe	Firefox.exe
PID 1960 wrote to memory of 996	1960	wininit.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:1196

C:\Users\Admin\AppData\Local\Temp\shipping doc.exe
"C:\Users\Admin\AppData\Local\Temp\shipping doc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:548

C:\Users\Admin\AppData\Local\Temp\shipping doc.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2000

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Adds policy 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:1960

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping doc.exe"
3⤵
- Deletes itself
PID:568

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/548-55-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

Filesize
8KB

Download
memory/548-56-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/548-57-0x0000000005370000-0x00000000053F4000-memory.dmp

Filesize
528KB

Download
memory/548-58-0x0000000000C30000-0x0000000000C62000-memory.dmp

Filesize
200KB

Download
memory/548-54-0x0000000001130000-0x00000000011A8000-memory.dmp

Filesize
480KB

Download
memory/568-70-0x0000000000000000-mapping.dmp

Download
memory/1196-77-0x0000000005010000-0x0000000005133000-memory.dmp

Filesize
1.1MB

Download
memory/1196-75-0x0000000005010000-0x0000000005133000-memory.dmp

Filesize
1.1MB

Download
memory/1196-68-0x0000000004B40000-0x0000000004C4B000-memory.dmp

Filesize
1.0MB

Download
memory/1960-76-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1960-74-0x0000000000340000-0x00000000003D0000-memory.dmp

Filesize
576KB

Download
memory/1960-72-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1960-73-0x0000000001FC0000-0x00000000022C3000-memory.dmp

Filesize
3.0MB

Download
memory/1960-69-0x0000000000000000-mapping.dmp

Download
memory/1960-71-0x00000000005C0000-0x00000000005DA000-memory.dmp

Filesize
104KB

Download
memory/2000-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2000-67-0x0000000000120000-0x0000000000131000-memory.dmp

Filesize
68KB

Download
memory/2000-66-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/2000-65-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2000-62-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2000-63-0x000000000041F2C0-mapping.dmp

Download
memory/2000-59-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads