formbook | 53b80c327454a3fb82a2b1b5eac96eeaaf91b3b309fdb4d8a3c8cc53d8ea1696

General

Target

Payment_Advice Ref_G51433980115....pdf.exe
Size

311KB
MD5

419fdeab3e062e913643037511fee430
SHA1

3c11f5dfdae578ab1e7afb87f05acf9477ee28cf
SHA256

76d45ff13654988781428940dab2825a158e15679d0f1faf9615b76a2cbff4a7
SHA512

2c108227bb344a271dec116251796049927a4df8fa7716d1b33a20df42fe840ac4f684e3af42bb64944d882bac06c90fd2217d6052cb3523667b3b3529c29a86

Score

10^/10

formbook ms20 persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

ms20

Decoy

ginayjasive.net

unique-bruce.com

marcaschingonas.net

artandartistonline.com

creditcubeaa.com

jnlunwen.com

adriangallop.com

gardenmebydjnui.com

dakdekker-utrecht.com

padmatrades.com

esseconsultingllc.com

heisenlintec.com

110431.info

posseco.com

team10hoodies.site

sciencewtour.com

paigeslife.com

idea-asesoria.com

crypotland.com

862575zk.info

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3048-130-0x0000000000DE0000-0x0000000000E32000-memory.dmp	formbook
behavioral2/memory/2212-138-0x0000000000120000-0x000000000014A000-memory.dmp	formbook

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

help.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	help.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AZ4TOR5XYJ = "C:\\Program Files (x86)\\H-zj8yx\\user4hgt.exe"	help.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment_Advice Ref_G51433980115....pdf.exehelp.exe

description	pid	process	target process
PID 3048 set thread context of 1060	3048	Payment_Advice Ref_G51433980115....pdf.exe	Explorer.EXE
PID 3048 set thread context of 1060	3048	Payment_Advice Ref_G51433980115....pdf.exe	Explorer.EXE
PID 2212 set thread context of 1060	2212	help.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

help.exe

description ioc process

File opened for modification C:\Program Files (x86)\H-zj8yx\user4hgt.exe help.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\H-zj8yx\user4hgt.exe	help.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

help.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

Payment_Advice Ref_G51433980115....pdf.exehelp.exe

pid	process
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe
2212	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1060 Explorer.EXE

pid	process
1060	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Payment_Advice Ref_G51433980115....pdf.exehelp.exe

pid	process
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
3048	Payment_Advice Ref_G51433980115....pdf.exe
2212	help.exe
2212	help.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Payment_Advice Ref_G51433980115....pdf.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3048	Payment_Advice Ref_G51433980115....pdf.exe
Token: SeDebugPrivilege	2212	help.exe
Token: SeShutdownPrivilege	1060	Explorer.EXE
Token: SeCreatePagefilePrivilege	1060	Explorer.EXE
Token: SeShutdownPrivilege	1060	Explorer.EXE
Token: SeCreatePagefilePrivilege	1060	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Explorer.EXEhelp.exe

description	pid	process	target process
PID 1060 wrote to memory of 2212	1060	Explorer.EXE	help.exe
PID 1060 wrote to memory of 2212	1060	Explorer.EXE	help.exe
PID 1060 wrote to memory of 2212	1060	Explorer.EXE	help.exe
PID 2212 wrote to memory of 3792	2212	help.exe	cmd.exe
PID 2212 wrote to memory of 3792	2212	help.exe	cmd.exe
PID 2212 wrote to memory of 3792	2212	help.exe	cmd.exe
PID 2212 wrote to memory of 756	2212	help.exe	cmd.exe
PID 2212 wrote to memory of 756	2212	help.exe	cmd.exe
PID 2212 wrote to memory of 756	2212	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:1060
- C:\Users\Admin\AppData\Local\Temp\Payment_Advice Ref_G51433980115....pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_Advice Ref_G51433980115....pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:3048
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Adds 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:2212
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment_Advice Ref_G51433980115....pdf.exe"
    3⤵
    PID:3792
- - 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:756

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

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\KNPQ3D98\KNPlogim.jpeg

Filesize
75KB

MD5
14015daf18d40cfcbf6f39f66487461b

SHA1
fff332121ba6a75ff654faf5a66e3440bb571bfe

SHA256
0d57edea75304274ac5b505b5e131a6785551da140ddb39f9f0546af76c9a692

SHA512
750fe3f013b90c831f19e27307e71ca83e93a0c585e25dd4096d2f4f4906aeaba9c1977dd2bee885b92209b4ba910d913f89ba619fa97f79346fecbdd102b9e6

Download Submit
C:\Users\Admin\AppData\Roaming\KNPQ3D98\KNPlogrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\KNPQ3D98\KNPlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\KNPQ3D98\KNPlogrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/756-143-0x0000000000000000-mapping.dmp

Download
memory/1060-142-0x00000000083A0000-0x00000000084D6000-memory.dmp

Filesize
1.2MB

Download
memory/1060-133-0x0000000007C60000-0x0000000007DD2000-memory.dmp

Filesize
1.4MB

Download
memory/1060-135-0x0000000008160000-0x00000000082C0000-memory.dmp

Filesize
1.4MB

Download
memory/2212-138-0x0000000000120000-0x000000000014A000-memory.dmp

Filesize
168KB

Download
memory/2212-140-0x0000000000DD0000-0x000000000111A000-memory.dmp

Filesize
3.3MB

Download
memory/2212-141-0x0000000000870000-0x0000000000903000-memory.dmp

Filesize
588KB

Download
memory/2212-137-0x0000000000DC0000-0x0000000000DC7000-memory.dmp

Filesize
28KB

Download
memory/2212-136-0x0000000000000000-mapping.dmp

Download
memory/3048-130-0x0000000000DE0000-0x0000000000E32000-memory.dmp

Filesize
328KB

Download
memory/3048-134-0x0000000001310000-0x0000000001324000-memory.dmp

Filesize
80KB

Download
memory/3048-132-0x00000000012D0000-0x00000000012E4000-memory.dmp

Filesize
80KB

Download
memory/3048-131-0x00000000032F0000-0x000000000363A000-memory.dmp

Filesize
3.3MB

Download
memory/3792-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads