formbook | 82c24935270870bb35719f35c29075f8bf02894bf81ba28e66983aa2247472a8

General

Target

swift.0292981716.PDF.exe
Size

882KB
MD5

63e73fe914c68e9b5df621de7f917864
SHA1

8ccc87486036ca608079227976594ff0dfb17b0f
SHA256

82c24935270870bb35719f35c29075f8bf02894bf81ba28e66983aa2247472a8
SHA512

d38d3c5e42befcdac06ab96dacb2a0d2bdf3e16f3f944263820acf12e7f247e8a626d0b1621c528077f53c4001fe5009db78021115e3e791809987bcbbab7777

Score

10^/10

formbook 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2072-134-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/2072-139-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3452-142-0x0000000000840000-0x000000000086E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

swift.0292981716.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nzjvrzr = "C:\\Users\\Public\\rzrvjzN.url"	swift.0292981716.PDF.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exechkdsk.exe

description	pid	process	target process
PID 2072 set thread context of 2412	2072	logagent.exe	Explorer.EXE
PID 3452 set thread context of 2412	3452	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 54 IoCs

Processes:

logagent.exechkdsk.exe

pid	process
2072	logagent.exe
2072	logagent.exe
2072	logagent.exe
2072	logagent.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe
3452	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2412 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exechkdsk.exe

pid process

2072 logagent.exe
2072 logagent.exe
2072 logagent.exe
3452 chkdsk.exe
3452 chkdsk.exe

pid	process
2412	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

logagent.exechkdsk.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2072	logagent.exe
Token: SeDebugPrivilege	3452	chkdsk.exe
Token: SeShutdownPrivilege	2412	Explorer.EXE
Token: SeCreatePagefilePrivilege	2412	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

swift.0292981716.PDF.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 2940 wrote to memory of 2072	2940	swift.0292981716.PDF.exe	logagent.exe
PID 2940 wrote to memory of 2072	2940	swift.0292981716.PDF.exe	logagent.exe
PID 2940 wrote to memory of 2072	2940	swift.0292981716.PDF.exe	logagent.exe
PID 2940 wrote to memory of 2072	2940	swift.0292981716.PDF.exe	logagent.exe
PID 2940 wrote to memory of 2072	2940	swift.0292981716.PDF.exe	logagent.exe
PID 2940 wrote to memory of 2072	2940	swift.0292981716.PDF.exe	logagent.exe
PID 2412 wrote to memory of 3452	2412	Explorer.EXE	chkdsk.exe
PID 2412 wrote to memory of 3452	2412	Explorer.EXE	chkdsk.exe
PID 2412 wrote to memory of 3452	2412	Explorer.EXE	chkdsk.exe
PID 3452 wrote to memory of 1940	3452	chkdsk.exe	cmd.exe
PID 3452 wrote to memory of 1940	3452	chkdsk.exe	cmd.exe
PID 3452 wrote to memory of 1940	3452	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412

C:\Users\Admin\AppData\Local\Temp\swift.0292981716.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\swift.0292981716.PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2940

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:2072

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:3452

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:1940

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2072-138-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/2072-140-0x0000000002DA0000-0x0000000002DB4000-memory.dmp

Filesize
80KB

Download
memory/2072-134-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/2072-135-0x0000000004900000-0x0000000004C4A000-memory.dmp

Filesize
3.3MB

Download
memory/2072-139-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/2072-137-0x000000007249E000-0x000000007249F000-memory.dmp

Filesize
4KB

Download
memory/2412-136-0x00000000088B0000-0x0000000008A57000-memory.dmp

Filesize
1.7MB

Download
memory/2412-145-0x0000000008580000-0x0000000008688000-memory.dmp

Filesize
1.0MB

Download
memory/2940-130-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/2940-132-0x0000000000406000-0x0000000000407000-memory.dmp

Filesize
4KB

Download
memory/3452-141-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/3452-142-0x0000000000840000-0x000000000086E000-memory.dmp

Filesize
184KB

Download
memory/3452-143-0x0000000005140000-0x000000000548A000-memory.dmp

Filesize
3.3MB

Download
memory/3452-144-0x0000000004E80000-0x0000000004F13000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads