formbook | 294c51109403fa50956ad9381fea61e33d1ea7bcfe24c0631e42db5fa2258488

General

Target

fotos de muestras de productos pdf.exe
Size

984KB
MD5

0e78b6d62260340f4c66085b34e30f6b
SHA1

3858e1c6d6ad625a0dbe8c08f1efdd5389164caa
SHA256

294c51109403fa50956ad9381fea61e33d1ea7bcfe24c0631e42db5fa2258488
SHA512

739d7a115c921944ea36541b77e522b2142805f4ba649ff4026b56a016d037e27ab906046ec6d0c7590df19fbace7ebc0e04ad6af2b44a710f9a8ba45f1e7215

Score

10^/10

formbook n7ak 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
behavioral1/memory/524-56-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/524-59-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral1/memory/1184-65-0x00000000000C0000-0x00000000000EE000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.exechkdsk.exe

description	pid	process	target process
PID 524 set thread context of 1336	524	mobsync.exe	Explorer.EXE
PID 1184 set thread context of 1336	1184	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

mobsync.exechkdsk.exe

pid	process
524	mobsync.exe
524	mobsync.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe
1184	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mobsync.exechkdsk.exe

pid process

524 mobsync.exe
524 mobsync.exe
524 mobsync.exe
1184 chkdsk.exe
1184 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mobsync.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 524 mobsync.exe
Token: SeDebugPrivilege 1184 chkdsk.exe
Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
Suspicious use of SendNotifyMessage 6 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE

pid	process
1336	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	524	mobsync.exe
Token: SeDebugPrivilege	1184	chkdsk.exe

pid	process
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE

pid	process
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

fotos de muestras de productos pdf.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1116 wrote to memory of 524	1116	fotos de muestras de productos pdf.exe	mobsync.exe
PID 1116 wrote to memory of 524	1116	fotos de muestras de productos pdf.exe	mobsync.exe
PID 1116 wrote to memory of 524	1116	fotos de muestras de productos pdf.exe	mobsync.exe
PID 1116 wrote to memory of 524	1116	fotos de muestras de productos pdf.exe	mobsync.exe
PID 1116 wrote to memory of 524	1116	fotos de muestras de productos pdf.exe	mobsync.exe
PID 1116 wrote to memory of 524	1116	fotos de muestras de productos pdf.exe	mobsync.exe
PID 1116 wrote to memory of 524	1116	fotos de muestras de productos pdf.exe	mobsync.exe
PID 1336 wrote to memory of 1184	1336	Explorer.EXE	chkdsk.exe
PID 1336 wrote to memory of 1184	1336	Explorer.EXE	chkdsk.exe
PID 1336 wrote to memory of 1184	1336	Explorer.EXE	chkdsk.exe
PID 1336 wrote to memory of 1184	1336	Explorer.EXE	chkdsk.exe
PID 1184 wrote to memory of 288	1184	chkdsk.exe	cmd.exe
PID 1184 wrote to memory of 288	1184	chkdsk.exe	cmd.exe
PID 1184 wrote to memory of 288	1184	chkdsk.exe	cmd.exe
PID 1184 wrote to memory of 288	1184	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1336

C:\Users\Admin\AppData\Local\Temp\fotos de muestras de productos pdf.exe
"C:\Users\Admin\AppData\Local\Temp\fotos de muestras de productos pdf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:524

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/288-67-0x0000000000000000-mapping.dmp

Download
memory/524-58-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/524-56-0x0000000000000000-mapping.dmp

Download
memory/524-60-0x00000000021D0000-0x00000000024D3000-memory.dmp

Filesize
3.0MB

Download
memory/524-59-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/524-61-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1116-53-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/1116-54-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1184-63-0x0000000000000000-mapping.dmp

Download
memory/1184-65-0x00000000000C0000-0x00000000000EE000-memory.dmp

Filesize
184KB

Download
memory/1184-66-0x0000000002040000-0x0000000002343000-memory.dmp

Filesize
3.0MB

Download
memory/1184-64-0x0000000000C30000-0x0000000000C37000-memory.dmp

Filesize
28KB

Download
memory/1184-68-0x0000000000980000-0x0000000000A13000-memory.dmp

Filesize
588KB

Download
memory/1336-62-0x0000000004BD0000-0x0000000004CB5000-memory.dmp

Filesize
916KB

Download
memory/1336-69-0x00000000065F0000-0x00000000066EC000-memory.dmp

Filesize
1008KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads