formbook | 2078f364f8572f83cacf15db8384c28d70e0ce8cda89b92b351fe1f0e0e96fcb

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2332-120-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/2332-122-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/2332-125-0x0000000003190000-0x00000000031F7000-memory.dmp	formbook
behavioral1/memory/2004-132-0x0000000000B10000-0x0000000000B3E000-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-1-5-21-1937337463-1541593363-3360944660-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xjnnpfm = "C:\\Users\\Public\\mfpnnjX.url"	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

logagent.exehelp.exe

description	pid	process	target process
PID 2332 set thread context of 2268	2332	logagent.exe	Explorer.EXE
PID 2332 set thread context of 2268	2332	logagent.exe	Explorer.EXE
PID 2004 set thread context of 2268	2004	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

logagent.exehelp.exe

pid	process
2332	logagent.exe
2332	logagent.exe
2332	logagent.exe
2332	logagent.exe
2332	logagent.exe
2332	logagent.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe
2004	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2268 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

logagent.exehelp.exe

pid process

2332 logagent.exe
2332 logagent.exe
2332 logagent.exe
2332 logagent.exe
2004 help.exe
2004 help.exe

pid	process
2268	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

logagent.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2332	logagent.exe
Token: SeDebugPrivilege	2004	help.exe
Token: SeShutdownPrivilege	2268	Explorer.EXE
Token: SeCreatePagefilePrivilege	2268	Explorer.EXE
Token: SeShutdownPrivilege	2268	Explorer.EXE
Token: SeCreatePagefilePrivilege	2268	Explorer.EXE
Token: SeShutdownPrivilege	2268	Explorer.EXE
Token: SeCreatePagefilePrivilege	2268	Explorer.EXE
Token: SeShutdownPrivilege	2268	Explorer.EXE
Token: SeCreatePagefilePrivilege	2268	Explorer.EXE
Token: SeShutdownPrivilege	2268	Explorer.EXE
Token: SeCreatePagefilePrivilege	2268	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 3488 wrote to memory of 2332	3488	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 3488 wrote to memory of 2332	3488	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 3488 wrote to memory of 2332	3488	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 3488 wrote to memory of 2332	3488	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 3488 wrote to memory of 2332	3488	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 3488 wrote to memory of 2332	3488	Xjnnpfmtmgzsjdtbismbqwngwvhuqbxdfh.exe	logagent.exe
PID 2268 wrote to memory of 2004	2268	Explorer.EXE	help.exe
PID 2268 wrote to memory of 2004	2268	Explorer.EXE	help.exe
PID 2268 wrote to memory of 2004	2268	Explorer.EXE	help.exe
PID 2004 wrote to memory of 3932	2004	help.exe	cmd.exe
PID 2004 wrote to memory of 3932	2004	help.exe	cmd.exe
PID 2004 wrote to memory of 3932	2004	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268

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:3488

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:2332

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:3900

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:8

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2292

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:3932

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/2004-134-0x00000000031E0000-0x0000000003273000-memory.dmp

Filesize
588KB

Download
memory/2004-133-0x00000000036F0000-0x0000000003A10000-memory.dmp

Filesize
3.1MB

Download
memory/2004-131-0x0000000001130000-0x0000000001137000-memory.dmp

Filesize
28KB

Download
memory/2004-132-0x0000000000B10000-0x0000000000B3E000-memory.dmp

Filesize
184KB

Download
memory/2268-126-0x0000000005E80000-0x0000000005F5E000-memory.dmp

Filesize
888KB

Download
memory/2268-135-0x0000000006300000-0x0000000006439000-memory.dmp

Filesize
1.2MB

Download
memory/2268-130-0x0000000005F60000-0x0000000006062000-memory.dmp

Filesize
1.0MB

Download
memory/2332-121-0x0000000002B50000-0x0000000002B51000-memory.dmp

Filesize
4KB

Download
memory/2332-125-0x0000000003190000-0x00000000031F7000-memory.dmp

Filesize
412KB

Download
memory/2332-124-0x000000007249E000-0x000000007249F000-memory.dmp

Filesize
4KB

Download
memory/2332-128-0x000000007249E000-0x000000007249F000-memory.dmp

Filesize
4KB

Download
memory/2332-129-0x0000000003220000-0x0000000003234000-memory.dmp

Filesize
80KB

Download
memory/2332-123-0x0000000004D60000-0x0000000005080000-memory.dmp

Filesize
3.1MB

Download
memory/2332-122-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/2332-120-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3488-114-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/3488-118-0x0000000003C56000-0x0000000003C57000-memory.dmp

Filesize
4KB

Download
memory/3488-116-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads