formbook | d0c4b010eecae238f6a05c323b4d0abfa849961749778c0fd2d509729384c2e7

General

Target

6.exe
Size

790KB
MD5

52ce14f55c18fd95b2c9719fe2daefe9
SHA1

73f7d06dae400adbf84342263a2705d55b1a1b4d
SHA256

d0c4b010eecae238f6a05c323b4d0abfa849961749778c0fd2d509729384c2e7
SHA512

347b4e4f71fb45511601c44445ced98ebaef20f31c94ee870b3d4aaeb3639155ee23f3064d36e35af0d6474405abaf78541f7e8df5f380720919a9794f6cf087

Score

10^/10

formbook n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1120-117-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/1120-122-0x0000000002AD0000-0x0000000002C1A000-memory.dmp	formbook
behavioral2/memory/1120-120-0x0000000074000000-0x000000007402E000-memory.dmp	formbook
behavioral2/memory/3376-127-0x00000000001D0000-0x00000000001FE000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dmxioyas = "C:\\Users\\Admin\\sayoixmD.url"	6.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.exeipconfig.exe

description	pid	process	target process
PID 1120 set thread context of 3020	1120	DpiScaling.exe	Explorer.EXE
PID 3376 set thread context of 3020	3376	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

3376 ipconfig.exe

pid	process
3376	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

DpiScaling.exeipconfig.exe

pid	process
1120	DpiScaling.exe
1120	DpiScaling.exe
1120	DpiScaling.exe
1120	DpiScaling.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe
3376	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.exeipconfig.exe

pid process

1120 DpiScaling.exe
1120 DpiScaling.exe
1120 DpiScaling.exe
3376 ipconfig.exe
3376 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DpiScaling.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 1120 DpiScaling.exe
Token: SeDebugPrivilege 3376 ipconfig.exe

pid	process
3020	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1120	DpiScaling.exe
Token: SeDebugPrivilege	3376	ipconfig.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 2700 wrote to memory of 1120	2700	6.exe	DpiScaling.exe
PID 2700 wrote to memory of 1120	2700	6.exe	DpiScaling.exe
PID 2700 wrote to memory of 1120	2700	6.exe	DpiScaling.exe
PID 2700 wrote to memory of 1120	2700	6.exe	DpiScaling.exe
PID 2700 wrote to memory of 1120	2700	6.exe	DpiScaling.exe
PID 2700 wrote to memory of 1120	2700	6.exe	DpiScaling.exe
PID 3020 wrote to memory of 3376	3020	Explorer.EXE	ipconfig.exe
PID 3020 wrote to memory of 3376	3020	Explorer.EXE	ipconfig.exe
PID 3020 wrote to memory of 3376	3020	Explorer.EXE	ipconfig.exe
PID 3376 wrote to memory of 3456	3376	ipconfig.exe	cmd.exe
PID 3376 wrote to memory of 3456	3376	ipconfig.exe	cmd.exe
PID 3376 wrote to memory of 3456	3376	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3020

C:\Users\Admin\AppData\Local\Temp\6.exe
"C:\Users\Admin\AppData\Local\Temp\6.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2700

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1120

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3376

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:3456

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1120-120-0x0000000074000000-0x000000007402E000-memory.dmp

Filesize
184KB

Download
memory/1120-117-0x0000000000000000-mapping.dmp

Download
memory/1120-121-0x0000000004860000-0x0000000004B80000-memory.dmp

Filesize
3.1MB

Download
memory/1120-119-0x0000000002720000-0x0000000002721000-memory.dmp

Filesize
4KB

Download
memory/1120-122-0x0000000002AD0000-0x0000000002C1A000-memory.dmp

Filesize
1.3MB

Download
memory/2700-116-0x0000000002921000-0x0000000002935000-memory.dmp

Filesize
80KB

Download
memory/2700-115-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/3020-123-0x0000000005F40000-0x0000000006090000-memory.dmp

Filesize
1.3MB

Download
memory/3020-130-0x00000000067C0000-0x00000000068DC000-memory.dmp

Filesize
1.1MB

Download
memory/3376-124-0x0000000000000000-mapping.dmp

Download
memory/3376-127-0x00000000001D0000-0x00000000001FE000-memory.dmp

Filesize
184KB

Download
memory/3376-126-0x0000000000260000-0x000000000026B000-memory.dmp

Filesize
44KB

Download
memory/3376-128-0x0000000002CC0000-0x0000000002FE0000-memory.dmp

Filesize
3.1MB

Download
memory/3376-129-0x0000000002A20000-0x0000000002AB3000-memory.dmp

Filesize
588KB

Download
memory/3456-125-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads