formbook | 56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
25-07-2022 01:19

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General

Target

56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe
Size

624KB
MD5

0c67efeca56fee9e1978a87161db87ad
SHA1

e54fa09cd9d897b8490de36033488c8c99687f82
SHA256

56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00
SHA512

3fb9dee3f078c28d8cf5f288a26e136b6a3f7664bec2b33d1f6835c367511a1e0cb1830318461d5003182c7fee3b3c5f64e54769db2d3c4b4fef591e5b3d3a95

Score

10^/10

formbook et persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.8

Campaign

Decoy

filmeedt06.com

getbrave.net

tdshome.com

audioteck.net

eplogovi.com

verywedding.net

biqiba.com

learnandunderstand.science

jsgxcxae.com

9aop4k.link

laceycphotography.com

ldbberendsenreading.com

life365coaching.com

ambercampbell.photography

activeliberal.win

tupelocounseling.com

finovice.com

fantatressette.com

sojah.store

qhdljj.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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/880-71-0x000000000041B4C0-mapping.dmp	formbook
behavioral1/memory/880-70-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/880-75-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1888-81-0x0000000000070000-0x000000000009A000-memory.dmp	formbook
behavioral1/memory/1888-85-0x0000000000070000-0x000000000009A000-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:

cscript.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\JXLXHZIXF4P = "C:\\Program Files (x86)\\Ilbil\\winbzz.exe"	cscript.exe

Executes dropped EXE 2 IoCs

Processes:

config.execonfig.exe

pid process

1376 config.exe
880 config.exe
Loads dropped DLL 3 IoCs

Processes:

WScript.execonfig.exe

pid process

1684 WScript.exe
1684 WScript.exe
1376 config.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

pid	process
1376	config.exe
880	config.exe

pid	process
1684	WScript.exe
1684	WScript.exe
1376	config.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WScript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Registry Key Name = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder\\config.vbs"	WScript.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

config.execonfig.execscript.exe

description	pid	process	target process
PID 1376 set thread context of 880	1376	config.exe	config.exe
PID 880 set thread context of 1260	880	config.exe	Explorer.EXE
PID 1888 set thread context of 1260	1888	cscript.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cscript.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ilbil\winbzz.exe cscript.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ilbil\winbzz.exe	cscript.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4084403625-2215941253-1760665084-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

config.execscript.exe

pid	process
880	config.exe
880	config.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

config.execscript.exe

pid process

880 config.exe
880 config.exe
880 config.exe
1888 cscript.exe
1888 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

config.execscript.exe

description pid process

Token: SeDebugPrivilege 880 config.exe
Token: SeDebugPrivilege 1888 cscript.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.execonfig.exe

pid process

2032 56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe
1376 config.exe

description	pid	process
Token: SeDebugPrivilege	880	config.exe
Token: SeDebugPrivilege	1888	cscript.exe

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
2032	56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe
1376	config.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exeWScript.execonfig.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 2032 wrote to memory of 1684	2032	56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe	WScript.exe
PID 2032 wrote to memory of 1684	2032	56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe	WScript.exe
PID 2032 wrote to memory of 1684	2032	56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe	WScript.exe
PID 2032 wrote to memory of 1684	2032	56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe	WScript.exe
PID 1684 wrote to memory of 1376	1684	WScript.exe	config.exe
PID 1684 wrote to memory of 1376	1684	WScript.exe	config.exe
PID 1684 wrote to memory of 1376	1684	WScript.exe	config.exe
PID 1684 wrote to memory of 1376	1684	WScript.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1376 wrote to memory of 880	1376	config.exe	config.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	cscript.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	cscript.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	cscript.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	cscript.exe
PID 1888 wrote to memory of 1160	1888	cscript.exe	cmd.exe
PID 1888 wrote to memory of 1160	1888	cscript.exe	cmd.exe
PID 1888 wrote to memory of 1160	1888	cscript.exe	cmd.exe
PID 1888 wrote to memory of 1160	1888	cscript.exe	cmd.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

cscript.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer cscript.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	cscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe
"C:\Users\Admin\AppData\Local\Temp\56e8e3a2d3330298f144767f1ef320fc3ecd1a968d47e8308486018dc224ea00.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\subfolder\config.vbs"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe
"C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe
"C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:880

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.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
- System policy modification
PID:1888

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe"
3⤵
PID:1160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe
Filesize
624KB

MD5
39e146c21950f1598f54cf2c152309ea

SHA1
c0b6c050572bac9dba3ef45c843dc0bee70bb93f

SHA256
86dfa508439c99e32e01cb036b3cbbd9b559f1ffd7d2ac91409dd1275343f129

SHA512
ecdd6f5c8f39f89a9a361e4d9d42c20b0a67128993273e875fd97333429964918fb32b1b1ff8f191274c00ad961b00c9e5ecd0335275cb8432eeb59068513d4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe
Filesize
624KB

MD5
39e146c21950f1598f54cf2c152309ea

SHA1
c0b6c050572bac9dba3ef45c843dc0bee70bb93f

SHA256
86dfa508439c99e32e01cb036b3cbbd9b559f1ffd7d2ac91409dd1275343f129

SHA512
ecdd6f5c8f39f89a9a361e4d9d42c20b0a67128993273e875fd97333429964918fb32b1b1ff8f191274c00ad961b00c9e5ecd0335275cb8432eeb59068513d4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\subfolder\config.exe
Filesize
624KB

MD5
39e146c21950f1598f54cf2c152309ea

SHA1
c0b6c050572bac9dba3ef45c843dc0bee70bb93f

SHA256
86dfa508439c99e32e01cb036b3cbbd9b559f1ffd7d2ac91409dd1275343f129

SHA512
ecdd6f5c8f39f89a9a361e4d9d42c20b0a67128993273e875fd97333429964918fb32b1b1ff8f191274c00ad961b00c9e5ecd0335275cb8432eeb59068513d4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\subfolder\config.vbs
Filesize
1024B

MD5
5bdea36f4c939ee55c2f04f28daea1b6

SHA1
c0ad92ace1a31063baa30b32955a084158310bc3

SHA256
bb1e99fbe3c101fbef7302ac5bc41177ef868c74c2047820d832fa7b151ced11

SHA512
051ee3ad63039b91fb62c7d229b2b564da3c87df678ae900ab01199798aa1ab1df2629c0a61c25736fdd9f5f24fde9fe1fb97691a87c341e01b3c8497419dbf4

Download Submit
C:\Users\Admin\AppData\Roaming\56O9743E\56Ologim.jpeg
Filesize
72KB

MD5
e743a2ace423aa9a89a07fef68591bf5

SHA1
d7460b03df152f1348082f3961ab69db879ab17e

SHA256
242fa234a24204db37704137f3ba199187a647eb6cac1fd9ddfdbc3414e400e0

SHA512
1dfc4f256fc26c505bdb4c7169e2253311c583001c0e361aae4b6ae910f48cb932a1ba5ef696eee3dea88e775faf629f7ec2a1ef03f1fd0c2129f5e0d0e3423c

Download Submit
C:\Users\Admin\AppData\Roaming\56O9743E\56Ologri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\56O9743E\56Ologrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
\Users\Admin\AppData\Local\Temp\subfolder\config.exe
Filesize
624KB

MD5
39e146c21950f1598f54cf2c152309ea

SHA1
c0b6c050572bac9dba3ef45c843dc0bee70bb93f

SHA256
86dfa508439c99e32e01cb036b3cbbd9b559f1ffd7d2ac91409dd1275343f129

SHA512
ecdd6f5c8f39f89a9a361e4d9d42c20b0a67128993273e875fd97333429964918fb32b1b1ff8f191274c00ad961b00c9e5ecd0335275cb8432eeb59068513d4a

Download Submit
\Users\Admin\AppData\Local\Temp\subfolder\config.exe
Filesize
624KB

MD5
39e146c21950f1598f54cf2c152309ea

SHA1
c0b6c050572bac9dba3ef45c843dc0bee70bb93f

SHA256
86dfa508439c99e32e01cb036b3cbbd9b559f1ffd7d2ac91409dd1275343f129

SHA512
ecdd6f5c8f39f89a9a361e4d9d42c20b0a67128993273e875fd97333429964918fb32b1b1ff8f191274c00ad961b00c9e5ecd0335275cb8432eeb59068513d4a

Download Submit
\Users\Admin\AppData\Local\Temp\subfolder\config.exe
Filesize
624KB

MD5
39e146c21950f1598f54cf2c152309ea

SHA1
c0b6c050572bac9dba3ef45c843dc0bee70bb93f

SHA256
86dfa508439c99e32e01cb036b3cbbd9b559f1ffd7d2ac91409dd1275343f129

SHA512
ecdd6f5c8f39f89a9a361e4d9d42c20b0a67128993273e875fd97333429964918fb32b1b1ff8f191274c00ad961b00c9e5ecd0335275cb8432eeb59068513d4a

Download Submit
memory/880-71-0x000000000041B4C0-mapping.dmp

Download
memory/880-70-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/880-74-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/880-75-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/880-76-0x0000000000350000-0x0000000000364000-memory.dmp

Filesize
80KB

Download
memory/1160-79-0x0000000000000000-mapping.dmp

Download
memory/1260-84-0x00000000068E0000-0x00000000069FA000-memory.dmp

Filesize
1.1MB

Download
memory/1260-77-0x0000000006A80000-0x0000000006C1D000-memory.dmp

Filesize
1.6MB

Download
memory/1260-86-0x00000000068E0000-0x00000000069FA000-memory.dmp

Filesize
1.1MB

Download
memory/1376-64-0x0000000000000000-mapping.dmp

Download
memory/1684-58-0x0000000000000000-mapping.dmp

Download
memory/1888-81-0x0000000000070000-0x000000000009A000-memory.dmp

Filesize
168KB

Download
memory/1888-82-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/1888-83-0x0000000001F70000-0x0000000002003000-memory.dmp

Filesize
588KB

Download
memory/1888-80-0x00000000009A0000-0x00000000009C2000-memory.dmp

Filesize
136KB

Download
memory/1888-85-0x0000000000070000-0x000000000009A000-memory.dmp

Filesize
168KB

Download
memory/1888-78-0x0000000000000000-mapping.dmp

Download
memory/2032-56-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2032-57-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download