formbook | f08ca756c36edc6ed2a59075dd924b66dc07025cd9e5320b93eee0a148a5fba0

General

Target

INQUIRY.exe
Size

644KB
MD5

5a707691406a2638523c755b77a9a46b
SHA1

3dbdce0b3b04dbe0ec3ee7e89403f000d9536853
SHA256

f08ca756c36edc6ed2a59075dd924b66dc07025cd9e5320b93eee0a148a5fba0
SHA512

0adf0ff1b336b252ad93128436c41b0933b67baf32f5ebe0a803f33263d80c41095e582bece484ba02e41639fcc2512c074375aa86393373811279a69a904bca

Score

10^/10

formbook h0c4 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h0c4

C2

http://www.cursoukulelegospel.com/h0c4/

Decoy

looknewly.com

icha2016.com

datnenhoalachn.xyz

fark.ltd

zjlj.site

carpinteriacansino.com

atozmp33.com

oficialacesso.com

tuningfrance.com

rmm-mx96r.net

outsidestyleshop.com

eufundas.com

a91furniture.com

sfme.net

englisch.coach

wallacechen.info

nyayeo.com

jintongstore.com

vanwerknaarwerk.info

thekimlab.net

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/4592-120-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4592-121-0x000000000041EDB0-mapping.dmp	formbook
behavioral2/memory/740-129-0x0000000000800000-0x000000000082E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

INQUIRY.exeINQUIRY.execscript.exe

description	pid	process	target process
PID 3592 set thread context of 4592	3592	INQUIRY.exe	INQUIRY.exe
PID 4592 set thread context of 3040	4592	INQUIRY.exe	Explorer.EXE
PID 740 set thread context of 3040	740	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

INQUIRY.exeINQUIRY.execscript.exe

pid	process
3592	INQUIRY.exe
3592	INQUIRY.exe
3592	INQUIRY.exe
3592	INQUIRY.exe
3592	INQUIRY.exe
3592	INQUIRY.exe
4592	INQUIRY.exe
4592	INQUIRY.exe
4592	INQUIRY.exe
4592	INQUIRY.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe
740	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

INQUIRY.execscript.exe

pid process

4592 INQUIRY.exe
4592 INQUIRY.exe
4592 INQUIRY.exe
740 cscript.exe
740 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INQUIRY.exeINQUIRY.execscript.exe

description pid process

Token: SeDebugPrivilege 3592 INQUIRY.exe
Token: SeDebugPrivilege 4592 INQUIRY.exe
Token: SeDebugPrivilege 740 cscript.exe

pid	process
3040	Explorer.EXE

pid	process
4592	INQUIRY.exe
4592	INQUIRY.exe
4592	INQUIRY.exe
740	cscript.exe
740	cscript.exe

description	pid	process
Token: SeDebugPrivilege	3592	INQUIRY.exe
Token: SeDebugPrivilege	4592	INQUIRY.exe
Token: SeDebugPrivilege	740	cscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

INQUIRY.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 3592 wrote to memory of 4608	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4608	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4608	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4592	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4592	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4592	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4592	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4592	3592	INQUIRY.exe	INQUIRY.exe
PID 3592 wrote to memory of 4592	3592	INQUIRY.exe	INQUIRY.exe
PID 3040 wrote to memory of 740	3040	Explorer.EXE	cscript.exe
PID 3040 wrote to memory of 740	3040	Explorer.EXE	cscript.exe
PID 3040 wrote to memory of 740	3040	Explorer.EXE	cscript.exe
PID 740 wrote to memory of 496	740	cscript.exe	cmd.exe
PID 740 wrote to memory of 496	740	cscript.exe	cmd.exe
PID 740 wrote to memory of 496	740	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3040

C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592

C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
3⤵
PID:4608

C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4592

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
3⤵
PID:496

Network

MITRE ATT&CK Matrix

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Downloads

memory/496-127-0x0000000000000000-mapping.dmp

Download
memory/740-126-0x0000000000000000-mapping.dmp

Download
memory/740-131-0x00000000047C0000-0x0000000004853000-memory.dmp

Filesize
588KB

Download
memory/740-130-0x0000000004960000-0x0000000004C80000-memory.dmp

Filesize
3.1MB

Download
memory/740-128-0x0000000000E50000-0x0000000000E77000-memory.dmp

Filesize
156KB

Download
memory/740-129-0x0000000000800000-0x000000000082E000-memory.dmp

Filesize
184KB

Download
memory/3040-125-0x0000000005AD0000-0x0000000005C14000-memory.dmp

Filesize
1.3MB

Download
memory/3040-132-0x0000000005C20000-0x0000000005DB2000-memory.dmp

Filesize
1.6MB

Download
memory/3592-115-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/3592-119-0x0000000000C40000-0x0000000000C6E000-memory.dmp

Filesize
184KB

Download
memory/3592-118-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/3592-117-0x0000000004A50000-0x0000000004AA1000-memory.dmp

Filesize
324KB

Download
memory/4592-123-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/4592-124-0x00000000012D0000-0x00000000012E4000-memory.dmp

Filesize
80KB

Download
memory/4592-121-0x000000000041EDB0-mapping.dmp

Download
memory/4592-120-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads