formbook | 23a38a6f4f071442244e32033a1672cbe57ef0296bac9a3514cde315e417f632

General

Target

shipping docs.exe
Size

596KB
MD5

ee97e8134d2d81d1b0496cdc9a47e20a
SHA1

b55593f9448acf6cd5dde7e5635194ff042c289f
SHA256

23a38a6f4f071442244e32033a1672cbe57ef0296bac9a3514cde315e417f632
SHA512

cc52daed4f05abe7d9cd8900e23b97b57070abb8e15e34c4b6897350966e97905349c97edfca5bebdbbb4c9fb7331721dc3947d15e33c15ae8f482cd01f4259b

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/2016-63-0x000000000041F2C0-mapping.dmp	xloader
behavioral1/memory/2016-62-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2016-65-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2016-73-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/780-77-0x0000000000070000-0x000000000009B000-memory.dmp	xloader
behavioral1/memory/780-81-0x0000000000070000-0x000000000009B000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

472 cmd.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
472	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DBFPJTBPWFBH = "C:\\Program Files (x86)\\Obx5\\config2d3.exe"	cscript.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

shipping docs.exeshipping docs.execscript.exe

description	pid	process	target process
PID 1864 set thread context of 2016	1864	shipping docs.exe	shipping docs.exe
PID 2016 set thread context of 1228	2016	shipping docs.exe	Explorer.EXE
PID 2016 set thread context of 1228	2016	shipping docs.exe	Explorer.EXE
PID 780 set thread context of 1228	780	cscript.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cscript.exe

description ioc process

File opened for modification C:\Program Files (x86)\Obx5\config2d3.exe cscript.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Obx5\config2d3.exe	cscript.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

shipping docs.exeshipping docs.execscript.exe

pid	process
1864	shipping docs.exe
1864	shipping docs.exe
2016	shipping docs.exe
2016	shipping docs.exe
2016	shipping docs.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

shipping docs.execscript.exe

pid process

2016 shipping docs.exe
2016 shipping docs.exe
2016 shipping docs.exe
2016 shipping docs.exe
780 cscript.exe
780 cscript.exe
780 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

shipping docs.exeshipping docs.execscript.exe

description pid process

Token: SeDebugPrivilege 1864 shipping docs.exe
Token: SeDebugPrivilege 2016 shipping docs.exe
Token: SeDebugPrivilege 780 cscript.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE

pid	process
2016	shipping docs.exe
2016	shipping docs.exe
2016	shipping docs.exe
2016	shipping docs.exe
780	cscript.exe
780	cscript.exe
780	cscript.exe

description	pid	process
Token: SeDebugPrivilege	1864	shipping docs.exe
Token: SeDebugPrivilege	2016	shipping docs.exe
Token: SeDebugPrivilege	780	cscript.exe

pid	process
1228	Explorer.EXE
1228	Explorer.EXE

pid	process
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

shipping docs.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1864 wrote to memory of 2016	1864	shipping docs.exe	shipping docs.exe
PID 1864 wrote to memory of 2016	1864	shipping docs.exe	shipping docs.exe
PID 1864 wrote to memory of 2016	1864	shipping docs.exe	shipping docs.exe
PID 1864 wrote to memory of 2016	1864	shipping docs.exe	shipping docs.exe
PID 1864 wrote to memory of 2016	1864	shipping docs.exe	shipping docs.exe
PID 1864 wrote to memory of 2016	1864	shipping docs.exe	shipping docs.exe
PID 1864 wrote to memory of 2016	1864	shipping docs.exe	shipping docs.exe
PID 1228 wrote to memory of 780	1228	Explorer.EXE	cscript.exe
PID 1228 wrote to memory of 780	1228	Explorer.EXE	cscript.exe
PID 1228 wrote to memory of 780	1228	Explorer.EXE	cscript.exe
PID 1228 wrote to memory of 780	1228	Explorer.EXE	cscript.exe
PID 780 wrote to memory of 472	780	cscript.exe	cmd.exe
PID 780 wrote to memory of 472	780	cscript.exe	cmd.exe
PID 780 wrote to memory of 472	780	cscript.exe	cmd.exe
PID 780 wrote to memory of 472	780	cscript.exe	cmd.exe
PID 780 wrote to memory of 844	780	cscript.exe	Firefox.exe
PID 780 wrote to memory of 844	780	cscript.exe	Firefox.exe
PID 780 wrote to memory of 844	780	cscript.exe	Firefox.exe
PID 780 wrote to memory of 844	780	cscript.exe	Firefox.exe

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1228

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.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:780

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
3⤵
- Deletes itself
PID:472

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:844

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

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/472-74-0x0000000000000000-mapping.dmp

Download
memory/780-72-0x0000000000000000-mapping.dmp

Download
memory/780-81-0x0000000000070000-0x000000000009B000-memory.dmp

Filesize
172KB

Download
memory/780-78-0x0000000000A10000-0x0000000000AA0000-memory.dmp

Filesize
576KB

Download
memory/780-77-0x0000000000070000-0x000000000009B000-memory.dmp

Filesize
172KB

Download
memory/780-76-0x0000000000BB0000-0x0000000000EB3000-memory.dmp

Filesize
3.0MB

Download
memory/780-75-0x0000000000EE0000-0x0000000000F02000-memory.dmp

Filesize
136KB

Download
memory/1228-68-0x0000000004170000-0x00000000042E5000-memory.dmp

Filesize
1.5MB

Download
memory/1228-71-0x0000000006020000-0x000000000618F000-memory.dmp

Filesize
1.4MB

Download
memory/1228-82-0x0000000006350000-0x00000000064B5000-memory.dmp

Filesize
1.4MB

Download
memory/1228-80-0x0000000006020000-0x000000000618F000-memory.dmp

Filesize
1.4MB

Download
memory/1228-79-0x0000000006350000-0x00000000064B5000-memory.dmp

Filesize
1.4MB

Download
memory/1864-57-0x0000000005240000-0x00000000052C2000-memory.dmp

Filesize
520KB

Download
memory/1864-56-0x0000000000250000-0x000000000025A000-memory.dmp

Filesize
40KB

Download
memory/1864-54-0x0000000001150000-0x00000000011EC000-memory.dmp

Filesize
624KB

Download
memory/1864-55-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/1864-58-0x00000000004B0000-0x00000000004E2000-memory.dmp

Filesize
200KB

Download
memory/2016-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2016-59-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2016-73-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2016-62-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2016-67-0x0000000000130000-0x0000000000141000-memory.dmp

Filesize
68KB

Download
memory/2016-70-0x00000000002C0000-0x00000000002D1000-memory.dmp

Filesize
68KB

Download
memory/2016-66-0x0000000000960000-0x0000000000C63000-memory.dmp

Filesize
3.0MB

Download
memory/2016-63-0x000000000041F2C0-mapping.dmp

Download
memory/2016-65-0x0000000000400000-0x000000000042B000-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