formbook | 8f515e0d3392a63a17de79305c5126f3cde691ebb5cffc97c611cc11b1f3ba7e

General

Target

Factura de proforma pdf.exe
Size

1017KB
MD5

d5916f06d0a76a83e7c2c821d8c24f33
SHA1

90aa11268187928fe78454be1f63de41e6da3a90
SHA256

edcb4f8ebec3c0a7aa59ee179a97468c2fe8ef6ed05e9fcc402f34eb817eb4df
SHA512

12a97d48169f87fe7d6f27d6f620092178c4271fa6d049eb92e7166a6a302fec481629d88cf5dad0b970c0808edb1613b9e2581188c8d66ba864d3258ddec2a0

Score

10^/10

formbook n7ak persistence rat spyware stealer 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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3972-118-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3972-121-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/2980-128-0x0000000002950000-0x000000000297E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Factura de proforma pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jwcsvi = "C:\\Users\\Public\\Libraries\\\\ivscwJ.url"	Factura de proforma pdf.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exemsdt.exe

description	pid	process	target process
PID 3972 set thread context of 3004	3972	logagent.exe	Explorer.EXE
PID 2980 set thread context of 3004	2980	msdt.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

logagent.exemsdt.exe

pid	process
3972	logagent.exe
3972	logagent.exe
3972	logagent.exe
3972	logagent.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe
2980	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3004 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exemsdt.exe

pid process

3972 logagent.exe
3972 logagent.exe
3972 logagent.exe
2980 msdt.exe
2980 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exemsdt.exe

description pid process

Token: SeDebugPrivilege 3972 logagent.exe
Token: SeDebugPrivilege 2980 msdt.exe

pid	process
3004	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3972	logagent.exe
Token: SeDebugPrivilege	2980	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Factura de proforma pdf.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 2700 wrote to memory of 3972	2700	Factura de proforma pdf.exe	logagent.exe
PID 2700 wrote to memory of 3972	2700	Factura de proforma pdf.exe	logagent.exe
PID 2700 wrote to memory of 3972	2700	Factura de proforma pdf.exe	logagent.exe
PID 2700 wrote to memory of 3972	2700	Factura de proforma pdf.exe	logagent.exe
PID 2700 wrote to memory of 3972	2700	Factura de proforma pdf.exe	logagent.exe
PID 2700 wrote to memory of 3972	2700	Factura de proforma pdf.exe	logagent.exe
PID 3004 wrote to memory of 2980	3004	Explorer.EXE	msdt.exe
PID 3004 wrote to memory of 2980	3004	Explorer.EXE	msdt.exe
PID 3004 wrote to memory of 2980	3004	Explorer.EXE	msdt.exe
PID 2980 wrote to memory of 488	2980	msdt.exe	cmd.exe
PID 2980 wrote to memory of 488	2980	msdt.exe	cmd.exe
PID 2980 wrote to memory of 488	2980	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3004

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

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3972

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:488

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

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/488-126-0x0000000000000000-mapping.dmp

Download
memory/2700-117-0x0000000002401000-0x0000000002415000-memory.dmp

Filesize
80KB

Download
memory/2700-116-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/2980-128-0x0000000002950000-0x000000000297E000-memory.dmp

Filesize
184KB

Download
memory/2980-130-0x00000000046D0000-0x0000000004763000-memory.dmp

Filesize
588KB

Download
memory/2980-129-0x0000000004960000-0x0000000004C80000-memory.dmp

Filesize
3.1MB

Download
memory/2980-127-0x00000000001D0000-0x0000000000343000-memory.dmp

Filesize
1.4MB

Download
memory/2980-125-0x0000000000000000-mapping.dmp

Download
memory/3004-131-0x0000000002740000-0x00000000027EC000-memory.dmp

Filesize
688KB

Download
memory/3004-124-0x00000000025C0000-0x000000000267B000-memory.dmp

Filesize
748KB

Download
memory/3972-121-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3972-123-0x00000000028E0000-0x00000000028F4000-memory.dmp

Filesize
80KB

Download
memory/3972-122-0x0000000004340000-0x0000000004660000-memory.dmp

Filesize
3.1MB

Download
memory/3972-120-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/3972-118-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads