formbook | 841161d0802a17b0cc2898301e6d6d952920eed6553fa66223cd2027d7614ee1

General

Target

shipping docs.exe
Size

588KB
MD5

cc77339f0c45278a70cd4a077e5847a1
SHA1

463bf7cca04184c66c27ea064efd33c415729e0f
SHA256

841161d0802a17b0cc2898301e6d6d952920eed6553fa66223cd2027d7614ee1
SHA512

e06feca2a57cc3a25dfd90047c442c30d6337b592990cb6e0fcc04d3fe32f2c4c3ca5e644a119531777226088d3a6e5e76ad3dff21ddfed11359628200360efb

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/1720-75-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1720-76-0x000000000041F2C0-mapping.dmp	xloader
behavioral1/memory/1720-85-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/848-90-0x0000000000110000-0x000000000013B000-memory.dmp	xloader
behavioral1/memory/848-95-0x0000000000110000-0x000000000013B000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1544 cmd.exe

pid	process
1544	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

help.exe

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\TT_TNHQ8WJ = "C:\\Program Files (x86)\\Mk4bxnt\\vgambcpzlu0.exe"	help.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping docs.exeshipping docs.exehelp.exe

description	pid	process	target process
PID 1936 set thread context of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1720 set thread context of 1424	1720	shipping docs.exe	Explorer.EXE
PID 848 set thread context of 1424	848	help.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

help.exe

description ioc process

File opened for modification C:\Program Files (x86)\Mk4bxnt\vgambcpzlu0.exe help.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Mk4bxnt\vgambcpzlu0.exe	help.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

help.exe

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

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

shipping docs.exeshipping docs.exehelp.exe

pid	process
1936	shipping docs.exe
1936	shipping docs.exe
1720	shipping docs.exe
1720	shipping docs.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

shipping docs.exehelp.exe

pid process

1720 shipping docs.exe
1720 shipping docs.exe
1720 shipping docs.exe
848 help.exe
848 help.exe
848 help.exe
848 help.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

shipping docs.exeshipping docs.exehelp.exe

description pid process

Token: SeDebugPrivilege 1936 shipping docs.exe
Token: SeDebugPrivilege 1720 shipping docs.exe
Token: SeDebugPrivilege 848 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1424 Explorer.EXE
1424 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1424 Explorer.EXE
1424 Explorer.EXE

pid	process
1720	shipping docs.exe
1720	shipping docs.exe
1720	shipping docs.exe
848	help.exe
848	help.exe
848	help.exe
848	help.exe

description	pid	process
Token: SeDebugPrivilege	1936	shipping docs.exe
Token: SeDebugPrivilege	1720	shipping docs.exe
Token: SeDebugPrivilege	848	help.exe

pid	process
1424	Explorer.EXE
1424	Explorer.EXE

pid	process
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

shipping docs.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1936 wrote to memory of 960	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 960	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 960	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 960	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 956	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 956	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 956	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 956	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1936 wrote to memory of 1720	1936	shipping docs.exe	shipping docs.exe
PID 1424 wrote to memory of 848	1424	Explorer.EXE	help.exe
PID 1424 wrote to memory of 848	1424	Explorer.EXE	help.exe
PID 1424 wrote to memory of 848	1424	Explorer.EXE	help.exe
PID 1424 wrote to memory of 848	1424	Explorer.EXE	help.exe
PID 848 wrote to memory of 1544	848	help.exe	cmd.exe
PID 848 wrote to memory of 1544	848	help.exe	cmd.exe
PID 848 wrote to memory of 1544	848	help.exe	cmd.exe
PID 848 wrote to memory of 1544	848	help.exe	cmd.exe
PID 848 wrote to memory of 868	848	help.exe	Firefox.exe
PID 848 wrote to memory of 868	848	help.exe	Firefox.exe
PID 848 wrote to memory of 868	848	help.exe	Firefox.exe
PID 848 wrote to memory of 868	848	help.exe	Firefox.exe
PID 848 wrote to memory of 868	848	help.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:1424

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
3⤵
PID:960

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
3⤵
PID:956

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1720

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1492

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:848

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
3⤵
- Deletes itself
PID:1544

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:868

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/848-95-0x0000000000110000-0x000000000013B000-memory.dmp

Filesize
172KB

Download
memory/848-92-0x0000000000570000-0x0000000000600000-memory.dmp

Filesize
576KB

Download
memory/848-91-0x00000000007B0000-0x0000000000AB3000-memory.dmp

Filesize
3.0MB

Download
memory/848-90-0x0000000000110000-0x000000000013B000-memory.dmp

Filesize
172KB

Download
memory/848-89-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/848-87-0x0000000000000000-mapping.dmp

Download
memory/1424-86-0x00000000048D0000-0x0000000004997000-memory.dmp

Filesize
796KB

Download
memory/1424-96-0x00000000066A0000-0x00000000067F5000-memory.dmp

Filesize
1.3MB

Download
memory/1424-94-0x00000000048D0000-0x0000000004997000-memory.dmp

Filesize
796KB

Download
memory/1424-93-0x00000000066A0000-0x00000000067F5000-memory.dmp

Filesize
1.3MB

Download
memory/1544-88-0x0000000000000000-mapping.dmp

Download
memory/1720-75-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1720-72-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1720-85-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1720-84-0x0000000000520000-0x0000000000531000-memory.dmp

Filesize
68KB

Download
memory/1720-83-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1720-76-0x000000000041F2C0-mapping.dmp

Download
memory/1720-73-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1936-81-0x0000000072390000-0x000000007371F000-memory.dmp

Filesize
19.6MB

Download
memory/1936-67-0x0000000073FF0000-0x0000000074184000-memory.dmp

Filesize
1.6MB

Download
memory/1936-54-0x0000000000A10000-0x0000000000AAA000-memory.dmp

Filesize
616KB

Download
memory/1936-70-0x00000000055A0000-0x0000000005622000-memory.dmp

Filesize
520KB

Download
memory/1936-77-0x0000000073E10000-0x0000000073FE1000-memory.dmp

Filesize
1.8MB

Download
memory/1936-78-0x0000000071980000-0x0000000072390000-memory.dmp

Filesize
10.1MB

Download
memory/1936-79-0x0000000073FF0000-0x0000000074184000-memory.dmp

Filesize
1.6MB

Download
memory/1936-80-0x0000000070C60000-0x000000007197D000-memory.dmp

Filesize
13.1MB

Download
memory/1936-66-0x0000000071980000-0x0000000072390000-memory.dmp

Filesize
10.1MB

Download
memory/1936-69-0x0000000073E10000-0x0000000073FE1000-memory.dmp

Filesize
1.8MB

Download
memory/1936-68-0x0000000070C60000-0x000000007197D000-memory.dmp

Filesize
13.1MB

Download
memory/1936-71-0x0000000002040000-0x0000000002072000-memory.dmp

Filesize
200KB

Download
memory/1936-65-0x0000000072390000-0x000000007371F000-memory.dmp

Filesize
19.6MB

Download
memory/1936-64-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/1936-63-0x0000000073E10000-0x0000000073FE1000-memory.dmp

Filesize
1.8MB

Download
memory/1936-62-0x000000006FD40000-0x000000007047E000-memory.dmp

Filesize
7.2MB

Download
memory/1936-61-0x0000000073CF0000-0x0000000073DEC000-memory.dmp

Filesize
1008KB

Download
memory/1936-60-0x0000000070480000-0x0000000070C60000-memory.dmp

Filesize
7.9MB

Download
memory/1936-59-0x0000000070C60000-0x000000007197D000-memory.dmp

Filesize
13.1MB

Download
memory/1936-58-0x0000000073FF0000-0x0000000074184000-memory.dmp

Filesize
1.6MB

Download
memory/1936-57-0x0000000071980000-0x0000000072390000-memory.dmp

Filesize
10.1MB

Download
memory/1936-56-0x0000000072390000-0x000000007371F000-memory.dmp

Filesize
19.6MB

Download
memory/1936-55-0x0000000074DD1000-0x0000000074DD3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads