formbook | 880da923f8772e14298ecf7dc1d8008a5b3ec594faa09121b14a3b5764006584

General

Target

ORDER-#4536 ,pdf.exe
Size

504KB
MD5

6a094a17412972fa961de3851585c5d9
SHA1

d4c4f6f3dd9c59fad99b4a419b3b30f1b7c4bb15
SHA256

50f8d8b5cbbad3f2a1d4a25b84553ba285f49318ab3dbb8d436b6709582997e8
SHA512

6e05941dd561baaa89e74a7461247b5e83e3adab5e0ad6d26e796e8422ebc6fa617c0c8461cb97801e65693de50adc18b138c067d0a01a8b1c83567fff1740ba

Score

10^/10

formbook te persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

te

Decoy

165whc.info

qdbfqfphjidqgtbttnq.com

theforceforsakens.com

septsix.com

meinnatura.com

markcici.com

rh-tv.com

yangzhie288.com

crystalent.biz

ipearlvoyager.com

depositvoucher.accountant

xn--g5ty9lgeu39hdrv5sm.com

newitemof.info

bombkitty.com

lewesdelawarerealestate.com

9c1nine.loan

ramrajindustries.com

standardpitbullpups.com

gentlestitches.com

dotruckbig.live

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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2372-132-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/2372-134-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/3544-140-0x0000000000380000-0x00000000003AA000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

netsh.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	netsh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\QVNTJV2H = "C:\\Program Files (x86)\\Zylr\\nty6lj8l.exe"	netsh.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

ORDER-#4536 ,pdf.exeORDER-#4536 ,pdf.exenetsh.exe

description	pid	process	target process
PID 4508 set thread context of 2372	4508	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 2372 set thread context of 1052	2372	ORDER-#4536 ,pdf.exe	Explorer.EXE
PID 3544 set thread context of 1052	3544	netsh.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

netsh.exe

description ioc process

File opened for modification C:\Program Files (x86)\Zylr\nty6lj8l.exe netsh.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Zylr\nty6lj8l.exe	netsh.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

netsh.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

ORDER-#4536 ,pdf.exenetsh.exe

pid	process
2372	ORDER-#4536 ,pdf.exe
2372	ORDER-#4536 ,pdf.exe
2372	ORDER-#4536 ,pdf.exe
2372	ORDER-#4536 ,pdf.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe
3544	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1052 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

ORDER-#4536 ,pdf.exenetsh.exe

pid process

2372 ORDER-#4536 ,pdf.exe
2372 ORDER-#4536 ,pdf.exe
2372 ORDER-#4536 ,pdf.exe
3544 netsh.exe
3544 netsh.exe

pid	process
1052	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ORDER-#4536 ,pdf.exenetsh.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2372	ORDER-#4536 ,pdf.exe
Token: SeDebugPrivilege	3544	netsh.exe
Token: SeShutdownPrivilege	1052	Explorer.EXE
Token: SeCreatePagefilePrivilege	1052	Explorer.EXE
Token: SeShutdownPrivilege	1052	Explorer.EXE
Token: SeCreatePagefilePrivilege	1052	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

ORDER-#4536 ,pdf.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 4508 wrote to memory of 2372	4508	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 4508 wrote to memory of 2372	4508	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 4508 wrote to memory of 2372	4508	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 4508 wrote to memory of 2372	4508	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 4508 wrote to memory of 2372	4508	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 4508 wrote to memory of 2372	4508	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1052 wrote to memory of 3544	1052	Explorer.EXE	netsh.exe
PID 1052 wrote to memory of 3544	1052	Explorer.EXE	netsh.exe
PID 1052 wrote to memory of 3544	1052	Explorer.EXE	netsh.exe
PID 3544 wrote to memory of 3108	3544	netsh.exe	cmd.exe
PID 3544 wrote to memory of 3108	3544	netsh.exe	cmd.exe
PID 3544 wrote to memory of 3108	3544	netsh.exe	cmd.exe
PID 3544 wrote to memory of 1156	3544	netsh.exe	cmd.exe
PID 3544 wrote to memory of 1156	3544	netsh.exe	cmd.exe
PID 3544 wrote to memory of 1156	3544	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052

C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4508

C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2372

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2580

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe"
3⤵
PID:3108

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1156

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

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Roaming\50N8002E\50Nlogim.jpeg
Filesize
80KB

MD5
e0d344042af7ae21c6bf04e64d957499

SHA1
b653185b52a16e7acf331c977787ffd0c2bb356a

SHA256
30a9151b0f38bb4de22df08e8bc0cceda306fabe6ec4a817a0db19aa2151f2ef

SHA512
142df1a9a543effe4c933e2f2466d0e72c0788866a5fe715d13db831a8f47c3f8c631b26a3a646cc1b3d2283058b176f1a9fb2e0ebf2b96a68f518bcae5d95c2

Download Submit
C:\Users\Admin\AppData\Roaming\50N8002E\50Nlogrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\50N8002E\50Nlogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\50N8002E\50Nlogrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1052-144-0x0000000008900000-0x0000000008A24000-memory.dmp

Filesize
1.1MB

Download
memory/1052-137-0x0000000002F60000-0x000000000302F000-memory.dmp

Filesize
828KB

Download
memory/1156-145-0x0000000000000000-mapping.dmp

Download
memory/2372-135-0x0000000001910000-0x0000000001C5A000-memory.dmp

Filesize
3.3MB

Download
memory/2372-136-0x0000000001D30000-0x0000000001D44000-memory.dmp

Filesize
80KB

Download
memory/2372-134-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2372-132-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2372-131-0x0000000000000000-mapping.dmp

Download
memory/3108-141-0x0000000000000000-mapping.dmp

Download
memory/3544-140-0x0000000000380000-0x00000000003AA000-memory.dmp

Filesize
168KB

Download
memory/3544-142-0x0000000000F70000-0x00000000012BA000-memory.dmp

Filesize
3.3MB

Download
memory/3544-143-0x0000000000DB0000-0x0000000000E43000-memory.dmp

Filesize
588KB

Download
memory/3544-139-0x0000000000920000-0x000000000093E000-memory.dmp

Filesize
120KB

Download
memory/3544-138-0x0000000000000000-mapping.dmp

Download
memory/4508-130-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads