formbook | e26afb2a71bab91e3f2dd8588da0a49436a1b09c48cccb611c06a0ed96f85f8c

General

Target

Quotation DG-H2091717 Order.exe
Size

491KB
MD5

281adb9d80c76b1d55dd373ea0c9d76a
SHA1

961c9d2108da9e4f91f1c38b3202eb582cea3f94
SHA256

510b24a8ddcc1a99925f07d8ec0b56489930147a95810b787291b3396bd54a7c
SHA512

f6a124e8a412801f5d0c9bac388da732b26bf66b84fcf1cce0bbd13c3f9107132fffe5b9e4d19f3f5f572a835cb0ac700bc83542cedcc39860133536d32aae93

Score

10^/10

formbook xloader cvd loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

cvd

Decoy

wanda-dutyfree.net

m399999.com

adultoutopico.com

acappellawebradio.com

geetaisprings.com

californiacredit.repair

view-merchant.review

autoritecenter.com

lke7992.com

carroceriasalchichica.com

shanhaishidai.com

wuyounice.com

ahyingshi.com

eurocrypt.net

zvxhs.info

nxsexyvip.com

suffolkbuildingcontrol.com

sotruemobiledetailing.com

bizsolmx.com

personalidea.net

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral4/memory/380-137-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral4/memory/380-139-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral4/memory/360-145-0x0000000001070000-0x0000000001098000-memory.dmp	xloader

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	mstsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GTYXQBVPAJ = "C:\\Program Files (x86)\\Jjvnxnnyp\\uxgtnu.exe"	mstsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Quotation DG-H2091717 Order.exeQuotation DG-H2091717 Order.exemstsc.exe

description	pid	process	target process
PID 3428 set thread context of 380	3428	Quotation DG-H2091717 Order.exe	Quotation DG-H2091717 Order.exe
PID 380 set thread context of 2996	380	Quotation DG-H2091717 Order.exe	Explorer.EXE
PID 360 set thread context of 2996	360	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Jjvnxnnyp\uxgtnu.exe mstsc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Jjvnxnnyp\uxgtnu.exe	mstsc.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

Quotation DG-H2091717 Order.exemstsc.exe

pid	process
380	Quotation DG-H2091717 Order.exe
380	Quotation DG-H2091717 Order.exe
380	Quotation DG-H2091717 Order.exe
380	Quotation DG-H2091717 Order.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2996 Explorer.EXE

pid	process
2996	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Quotation DG-H2091717 Order.exemstsc.exe

pid	process
380	Quotation DG-H2091717 Order.exe
380	Quotation DG-H2091717 Order.exe
380	Quotation DG-H2091717 Order.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe
360	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation DG-H2091717 Order.exemstsc.exe

description pid process

Token: SeDebugPrivilege 380 Quotation DG-H2091717 Order.exe
Token: SeDebugPrivilege 360 mstsc.exe

description	pid	process
Token: SeDebugPrivilege	380	Quotation DG-H2091717 Order.exe
Token: SeDebugPrivilege	360	mstsc.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Quotation DG-H2091717 Order.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 3428 wrote to memory of 380	3428	Quotation DG-H2091717 Order.exe	Quotation DG-H2091717 Order.exe
PID 3428 wrote to memory of 380	3428	Quotation DG-H2091717 Order.exe	Quotation DG-H2091717 Order.exe
PID 3428 wrote to memory of 380	3428	Quotation DG-H2091717 Order.exe	Quotation DG-H2091717 Order.exe
PID 3428 wrote to memory of 380	3428	Quotation DG-H2091717 Order.exe	Quotation DG-H2091717 Order.exe
PID 3428 wrote to memory of 380	3428	Quotation DG-H2091717 Order.exe	Quotation DG-H2091717 Order.exe
PID 3428 wrote to memory of 380	3428	Quotation DG-H2091717 Order.exe	Quotation DG-H2091717 Order.exe
PID 2996 wrote to memory of 360	2996	Explorer.EXE	mstsc.exe
PID 2996 wrote to memory of 360	2996	Explorer.EXE	mstsc.exe
PID 2996 wrote to memory of 360	2996	Explorer.EXE	mstsc.exe
PID 360 wrote to memory of 4084	360	mstsc.exe	cmd.exe
PID 360 wrote to memory of 4084	360	mstsc.exe	cmd.exe
PID 360 wrote to memory of 4084	360	mstsc.exe	cmd.exe
PID 360 wrote to memory of 4444	360	mstsc.exe	cmd.exe
PID 360 wrote to memory of 4444	360	mstsc.exe	cmd.exe
PID 360 wrote to memory of 4444	360	mstsc.exe	cmd.exe
PID 360 wrote to memory of 2336	360	mstsc.exe	Firefox.exe
PID 360 wrote to memory of 2336	360	mstsc.exe	Firefox.exe
PID 360 wrote to memory of 2336	360	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2996

C:\Users\Admin\AppData\Local\Temp\Quotation DG-H2091717 Order.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation DG-H2091717 Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3428

C:\Users\Admin\AppData\Local\Temp\Quotation DG-H2091717 Order.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation DG-H2091717 Order.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:380

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.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:360

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Quotation DG-H2091717 Order.exe"
3⤵
PID:4084

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4444

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2336

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

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/360-148-0x0000000002E90000-0x0000000002F1F000-memory.dmp

Filesize
572KB

Download
memory/360-146-0x00000000030F0000-0x000000000343A000-memory.dmp

Filesize
3.3MB

Download
memory/360-145-0x0000000001070000-0x0000000001098000-memory.dmp

Filesize
160KB

Download
memory/360-144-0x00000000007E0000-0x000000000091A000-memory.dmp

Filesize
1.2MB

Download
memory/360-143-0x0000000000000000-mapping.dmp

Download
memory/380-141-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/380-136-0x0000000000000000-mapping.dmp

Download
memory/380-137-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/380-139-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/380-140-0x00000000014C0000-0x000000000180A000-memory.dmp

Filesize
3.3MB

Download
memory/2996-142-0x0000000002BE0000-0x0000000002CA8000-memory.dmp

Filesize
800KB

Download
memory/2996-149-0x0000000007BC0000-0x0000000007CA7000-memory.dmp

Filesize
924KB

Download
memory/3428-130-0x00000000002A0000-0x0000000000320000-memory.dmp

Filesize
512KB

Download
memory/3428-135-0x0000000004FF0000-0x0000000005046000-memory.dmp

Filesize
344KB

Download
memory/3428-134-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

Filesize
40KB

Download
memory/3428-133-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/3428-132-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/3428-131-0x0000000004D30000-0x0000000004DCC000-memory.dmp

Filesize
624KB

Download
memory/4084-147-0x0000000000000000-mapping.dmp

Download
memory/4444-150-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads