formbook | 0cf451892cf34cdc6c9d7264b6be01721b2294e673d5fa0907c9c536963d0cb4

General

Target

Shipping Document.exe
Size

609KB
MD5

cdb997600be6215980e8bacd253f329c
SHA1

b405b6edee2d638c1bd768a550272fdf4e541aab
SHA256

0cf451892cf34cdc6c9d7264b6be01721b2294e673d5fa0907c9c536963d0cb4
SHA512

444313a5e34595f0fb2c624bac9bc0fe1b52956541315874c5cd79a8ee330d192f99b7f3ac856b0b1b95e532574ac66444da069a7e57605e52bd6d8a9f2f5499

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/936-62-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/936-63-0x000000000041F2C0-mapping.dmp	xloader
behavioral1/memory/936-65-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/960-72-0x00000000000C0000-0x00000000000EB000-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:

cmmon32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\NX4DZXPPO6B = "C:\\Program Files (x86)\\T7nmdpl\\help0xx.exe"	cmmon32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmmon32.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1608 cmd.exe

pid	process
1608	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Shipping Document.exeShipping Document.execmmon32.exe

description	pid	process	target process
PID 1828 set thread context of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 936 set thread context of 1376	936	Shipping Document.exe	Explorer.EXE
PID 960 set thread context of 1376	960	cmmon32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmmon32.exe

description ioc process

File opened for modification C:\Program Files (x86)\T7nmdpl\help0xx.exe cmmon32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\T7nmdpl\help0xx.exe	cmmon32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Shipping Document.execmmon32.exe

pid	process
936	Shipping Document.exe
936	Shipping Document.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe
960	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Shipping Document.execmmon32.exe

pid process

936 Shipping Document.exe
936 Shipping Document.exe
936 Shipping Document.exe
960 cmmon32.exe
960 cmmon32.exe
960 cmmon32.exe
960 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping Document.execmmon32.exe

description pid process

Token: SeDebugPrivilege 936 Shipping Document.exe
Token: SeDebugPrivilege 960 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	936	Shipping Document.exe
Token: SeDebugPrivilege	960	cmmon32.exe

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Shipping Document.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1828 wrote to memory of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 1828 wrote to memory of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 1828 wrote to memory of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 1828 wrote to memory of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 1828 wrote to memory of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 1828 wrote to memory of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 1828 wrote to memory of 936	1828	Shipping Document.exe	Shipping Document.exe
PID 1376 wrote to memory of 960	1376	Explorer.EXE	cmmon32.exe
PID 1376 wrote to memory of 960	1376	Explorer.EXE	cmmon32.exe
PID 1376 wrote to memory of 960	1376	Explorer.EXE	cmmon32.exe
PID 1376 wrote to memory of 960	1376	Explorer.EXE	cmmon32.exe
PID 960 wrote to memory of 1608	960	cmmon32.exe	cmd.exe
PID 960 wrote to memory of 1608	960	cmmon32.exe	cmd.exe
PID 960 wrote to memory of 1608	960	cmmon32.exe	cmd.exe
PID 960 wrote to memory of 1608	960	cmmon32.exe	cmd.exe
PID 960 wrote to memory of 1672	960	cmmon32.exe	Firefox.exe
PID 960 wrote to memory of 1672	960	cmmon32.exe	Firefox.exe
PID 960 wrote to memory of 1672	960	cmmon32.exe	Firefox.exe
PID 960 wrote to memory of 1672	960	cmmon32.exe	Firefox.exe
PID 960 wrote to memory of 1672	960	cmmon32.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:1376

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1828

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:936

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.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:960

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
3⤵
- Deletes itself
PID:1608

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1672

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

Loading Replay Monitor...

Downloads

memory/936-66-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/936-62-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/936-63-0x000000000041F2C0-mapping.dmp

Download
memory/936-65-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/936-68-0x0000000000210000-0x0000000000221000-memory.dmp

Filesize
68KB

Download
memory/936-59-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/936-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/960-73-0x0000000001FF0000-0x00000000022F3000-memory.dmp

Filesize
3.0MB

Download
memory/960-69-0x0000000000000000-mapping.dmp

Download
memory/960-71-0x00000000003C0000-0x00000000003CD000-memory.dmp

Filesize
52KB

Download
memory/960-72-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/960-74-0x0000000001DB0000-0x0000000001E40000-memory.dmp

Filesize
576KB

Download
memory/1376-75-0x00000000065C0000-0x000000000671D000-memory.dmp

Filesize
1.4MB

Download
memory/1376-67-0x00000000062F0000-0x0000000006444000-memory.dmp

Filesize
1.3MB

Download
memory/1608-70-0x0000000000000000-mapping.dmp

Download
memory/1828-55-0x0000000075741000-0x0000000075743000-memory.dmp

Filesize
8KB

Download
memory/1828-54-0x0000000000170000-0x000000000020E000-memory.dmp

Filesize
632KB

Download
memory/1828-58-0x00000000003D0000-0x0000000000402000-memory.dmp

Filesize
200KB

Download
memory/1828-57-0x0000000004E50000-0x0000000004ED4000-memory.dmp

Filesize
528KB

Download
memory/1828-56-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads