formbook | 2c3d0dfe94f6ee36822a79a0d6bc22efbd964781a984dec679acbb5029ce1493

General

Target

Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe
Size

1.1MB
MD5

141d9c1ff226fedde53d68b36ad4d57d
SHA1

752f82f39496cf70d5d5cb4f028301c7a1648b30
SHA256

2c3d0dfe94f6ee36822a79a0d6bc22efbd964781a984dec679acbb5029ce1493
SHA512

7cddfea0c95093a8ee1310869fcb5fd775281a5c897ff260ab78644c8ebb36feca4f117d1c8179ced72fb2b2ab89860d71b39cfed48999c4fd7d237a4cf207b0

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/3864-139-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3864-141-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3128-147-0x0000000000A00000-0x0000000000A2E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xjnnpfm = "C:\\Users\\Public\\mfpnnjX.url"	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exemsdt.exe

description	pid	process	target process
PID 3864 set thread context of 2996	3864	logagent.exe	Explorer.EXE
PID 3128 set thread context of 2996	3128	msdt.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

logagent.exemsdt.exe

pid	process
3864	logagent.exe
3864	logagent.exe
3864	logagent.exe
3864	logagent.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe
3128	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2996 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exemsdt.exe

pid process

3864 logagent.exe
3864 logagent.exe
3864 logagent.exe
3128 msdt.exe
3128 msdt.exe

pid	process
2996	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

logagent.exemsdt.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3864	logagent.exe
Token: SeDebugPrivilege	3128	msdt.exe
Token: SeShutdownPrivilege	2996	Explorer.EXE
Token: SeCreatePagefilePrivilege	2996	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 2780 wrote to memory of 3864	2780	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 2780 wrote to memory of 3864	2780	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 2780 wrote to memory of 3864	2780	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 2780 wrote to memory of 3864	2780	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 2780 wrote to memory of 3864	2780	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 2780 wrote to memory of 3864	2780	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 2996 wrote to memory of 3128	2996	Explorer.EXE	msdt.exe
PID 2996 wrote to memory of 3128	2996	Explorer.EXE	msdt.exe
PID 2996 wrote to memory of 3128	2996	Explorer.EXE	msdt.exe
PID 3128 wrote to memory of 3040	3128	msdt.exe	cmd.exe
PID 3128 wrote to memory of 3040	3128	msdt.exe	cmd.exe
PID 3128 wrote to memory of 3040	3128	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996

C:\Users\Admin\AppData\Local\Temp\Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe
"C:\Users\Admin\AppData\Local\Temp\Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2780

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:3864

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:3128

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:3040

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/2780-136-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/2780-138-0x0000000003CE6000-0x0000000003CE7000-memory.dmp

Filesize
4KB

Download
memory/2780-134-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/2996-150-0x0000000008A80000-0x0000000008B49000-memory.dmp

Filesize
804KB

Download
memory/2996-145-0x0000000008930000-0x0000000008A76000-memory.dmp

Filesize
1.3MB

Download
memory/3128-147-0x0000000000A00000-0x0000000000A2E000-memory.dmp

Filesize
184KB

Download
memory/3128-149-0x0000000002830000-0x00000000028C3000-memory.dmp

Filesize
588KB

Download
memory/3128-148-0x0000000002CB0000-0x0000000002FFA000-memory.dmp

Filesize
3.3MB

Download
memory/3128-146-0x0000000000E60000-0x0000000000EB7000-memory.dmp

Filesize
348KB

Download
memory/3864-142-0x0000000002DF0000-0x000000000313A000-memory.dmp

Filesize
3.3MB

Download
memory/3864-144-0x0000000000F60000-0x0000000000F74000-memory.dmp

Filesize
80KB

Download
memory/3864-143-0x000000007249E000-0x000000007249F000-memory.dmp

Filesize
4KB

Download
memory/3864-141-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3864-140-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/3864-139-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads