formbook | 9e300b13abe47bb342b029714e764c39ec00ba312ad0b1479196a8e7bf41165b

General

Target

factura de pago adjunta.exe
Size

890KB
MD5

6bfcb98a57d68b52e693bd06a1bc583f
SHA1

289985e90c08cbcf501e08eb4a2d3e14cdc59953
SHA256

9e300b13abe47bb342b029714e764c39ec00ba312ad0b1479196a8e7bf41165b
SHA512

4acc4047337895450d68d2cf0fcd4891d996dd57f88c7ba2608d8d394a6ddf6e379a7500cbad8158a996f2753e4e77dc0cbac7489e31a964d86cfd31b807d356

Score

10^/10

formbook modiloader 3nop persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1056-92-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral1/memory/1800-95-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1800-117-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral1/memory/616-125-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook
behavioral1/memory/616-129-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

ModiLoader Second Stage 38 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1056-65-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-66-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-67-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-68-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-71-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-72-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-70-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-69-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-75-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-76-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-74-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-73-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-80-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-81-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-79-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-78-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-77-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-84-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-83-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-82-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-85-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-87-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-86-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-90-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-89-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-88-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-96-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-98-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-99-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-100-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-101-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-108-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-109-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-110-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-112-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-113-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-114-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2
behavioral1/memory/1056-115-0x0000000004980000-0x00000000049D4000-memory.dmp	modiloader_stage2

Blocklisted process makes network request 2 IoCs

Processes:

cmstp.exe

flow pid process

26 616 cmstp.exe
44 616 cmstp.exe

flow	pid	process
26	616	cmstp.exe
44	616	cmstp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

factura de pago adjunta.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Bjkwuktvsa = "C:\\Users\\Public\\Libraries\\asvtkuwkjB.url"	factura de pago adjunta.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.execmstp.exe

description	pid	process	target process
PID 1800 set thread context of 1392	1800	DpiScaling.exe	Explorer.EXE
PID 616 set thread context of 1392	616	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

DpiScaling.execmstp.exe

pid	process
1800	DpiScaling.exe
1800	DpiScaling.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe
616	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.execmstp.exe

pid process

1800 DpiScaling.exe
1800 DpiScaling.exe
1800 DpiScaling.exe
616 cmstp.exe
616 cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

DpiScaling.execmstp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1800	DpiScaling.exe
Token: SeDebugPrivilege	616	cmstp.exe
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

factura de pago adjunta.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1056 wrote to memory of 1800	1056	factura de pago adjunta.exe	DpiScaling.exe
PID 1056 wrote to memory of 1800	1056	factura de pago adjunta.exe	DpiScaling.exe
PID 1056 wrote to memory of 1800	1056	factura de pago adjunta.exe	DpiScaling.exe
PID 1056 wrote to memory of 1800	1056	factura de pago adjunta.exe	DpiScaling.exe
PID 1056 wrote to memory of 1800	1056	factura de pago adjunta.exe	DpiScaling.exe
PID 1056 wrote to memory of 1800	1056	factura de pago adjunta.exe	DpiScaling.exe
PID 1056 wrote to memory of 1800	1056	factura de pago adjunta.exe	DpiScaling.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	cmstp.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	cmstp.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	cmstp.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	cmstp.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	cmstp.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	cmstp.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	cmstp.exe
PID 616 wrote to memory of 1516	616	cmstp.exe	cmd.exe
PID 616 wrote to memory of 1516	616	cmstp.exe	cmd.exe
PID 616 wrote to memory of 1516	616	cmstp.exe	cmd.exe
PID 616 wrote to memory of 1516	616	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Local\Temp\factura de pago adjunta.exe
"C:\Users\Admin\AppData\Local\Temp\factura de pago adjunta.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1056

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:1800

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1308

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:552

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1708

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:360

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:824

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2044

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:1516

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/616-121-0x0000000000000000-mapping.dmp

Download
memory/616-129-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/616-127-0x00000000008B0000-0x0000000000943000-memory.dmp

Filesize
588KB

Download
memory/616-126-0x0000000002090000-0x0000000002393000-memory.dmp

Filesize
3.0MB

Download
memory/616-125-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/616-124-0x0000000000AE0000-0x0000000000AF8000-memory.dmp

Filesize
96KB

Download
memory/1056-89-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-99-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-70-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-69-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-75-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-76-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-74-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-73-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-80-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-81-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-79-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-78-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-77-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-84-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-83-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-82-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-85-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-87-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-86-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-90-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-71-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-88-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-92-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/1056-96-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-98-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-72-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-100-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-101-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-108-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-109-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-110-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-112-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-113-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-114-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-115-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-54-0x00000000759D1000-0x00000000759D3000-memory.dmp

Filesize
8KB

Download
memory/1056-65-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-66-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-67-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1056-68-0x0000000004980000-0x00000000049D4000-memory.dmp

Filesize
336KB

Download
memory/1392-128-0x0000000006F90000-0x00000000070FE000-memory.dmp

Filesize
1.4MB

Download
memory/1392-120-0x00000000050C0000-0x00000000051B6000-memory.dmp

Filesize
984KB

Download
memory/1392-130-0x0000000006F90000-0x00000000070FE000-memory.dmp

Filesize
1.4MB

Download
memory/1516-123-0x0000000000000000-mapping.dmp

Download
memory/1800-95-0x0000000000000000-mapping.dmp

Download
memory/1800-93-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/1800-117-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/1800-118-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/1800-119-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads