formbook | 997644d0d16bbb753f8d5058e19aeb1e28d1a8f46f5f0935183baa3c80debcc2

General

Target

order specifications.exe
Size

657KB
MD5

2c2b342897c2693632051bde77ef39a8
SHA1

f19572d227a440b36d202343b9a6ab20ada5f2b3
SHA256

2ca55ed1af922548fc6abdb7b49386a6d62edd7b6d5609d45f1c369de4fa9269
SHA512

e80f335bef303ebe49279e8035b14d71aaa5c6a79d0b058df5ed22ec5f9d02fe1e59cc0ddd56b1a2e89119b540a61bfcb18dcfef2c47c051a8cbc9d08319a127

Score

10^/10

formbook kvsz persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kvsz

Decoy

okashyns.com

sbsgamedaejeon-two.com

drb77.com

top5dating.com

websprings.online

voizers.com

zenith.site

lahistoriade.com

qv85.com

armandonieto.com

priestvedic.com

jessandjeff.net

magic-desktop.com

jitaji.com

ldmeili.com

yuwanqingmy.com

buzhouorg.com

chaiseloungereviews.com

m2g8way.com

freespin-support.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4552-139-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4552-141-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4900-147-0x0000000000EE0000-0x0000000000F0E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

order specifications.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	order specifications.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

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\ETD0WJQ89T = "C:\\Program Files (x86)\\Cnzz\\colorcpljzpl-.exe"	help.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

order specifications.exeRegSvcs.exehelp.exe

description	pid	process	target process
PID 2388 set thread context of 4552	2388	order specifications.exe	RegSvcs.exe
PID 4552 set thread context of 2528	4552	RegSvcs.exe	Explorer.EXE
PID 4900 set thread context of 2528	4900	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)\Cnzz\colorcpljzpl-.exe help.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2640 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Cnzz\colorcpljzpl-.exe	help.exe

pid	process
2640	schtasks.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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

Processes:

order specifications.exeRegSvcs.exehelp.exe

pid	process
2388	order specifications.exe
4552	RegSvcs.exe
4552	RegSvcs.exe
4552	RegSvcs.exe
4552	RegSvcs.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2528 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exehelp.exe

pid process

4552 RegSvcs.exe
4552 RegSvcs.exe
4552 RegSvcs.exe
4900 help.exe
4900 help.exe
4900 help.exe
4900 help.exe

pid	process
2528	Explorer.EXE

pid	process
4552	RegSvcs.exe
4552	RegSvcs.exe
4552	RegSvcs.exe
4900	help.exe
4900	help.exe
4900	help.exe
4900	help.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

order specifications.exeRegSvcs.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2388	order specifications.exe
Token: SeDebugPrivilege	4552	RegSvcs.exe
Token: SeDebugPrivilege	4900	help.exe
Token: SeShutdownPrivilege	2528	Explorer.EXE
Token: SeCreatePagefilePrivilege	2528	Explorer.EXE
Token: SeShutdownPrivilege	2528	Explorer.EXE
Token: SeCreatePagefilePrivilege	2528	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

order specifications.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 2388 wrote to memory of 2640	2388	order specifications.exe	schtasks.exe
PID 2388 wrote to memory of 2640	2388	order specifications.exe	schtasks.exe
PID 2388 wrote to memory of 2640	2388	order specifications.exe	schtasks.exe
PID 2388 wrote to memory of 4552	2388	order specifications.exe	RegSvcs.exe
PID 2388 wrote to memory of 4552	2388	order specifications.exe	RegSvcs.exe
PID 2388 wrote to memory of 4552	2388	order specifications.exe	RegSvcs.exe
PID 2388 wrote to memory of 4552	2388	order specifications.exe	RegSvcs.exe
PID 2388 wrote to memory of 4552	2388	order specifications.exe	RegSvcs.exe
PID 2388 wrote to memory of 4552	2388	order specifications.exe	RegSvcs.exe
PID 2528 wrote to memory of 4900	2528	Explorer.EXE	help.exe
PID 2528 wrote to memory of 4900	2528	Explorer.EXE	help.exe
PID 2528 wrote to memory of 4900	2528	Explorer.EXE	help.exe
PID 4900 wrote to memory of 2000	4900	help.exe	cmd.exe
PID 4900 wrote to memory of 2000	4900	help.exe	cmd.exe
PID 4900 wrote to memory of 2000	4900	help.exe	cmd.exe
PID 4900 wrote to memory of 4948	4900	help.exe	cmd.exe
PID 4900 wrote to memory of 4948	4900	help.exe	cmd.exe
PID 4900 wrote to memory of 4948	4900	help.exe	cmd.exe
PID 4900 wrote to memory of 2716	4900	help.exe	Firefox.exe
PID 4900 wrote to memory of 2716	4900	help.exe	Firefox.exe
PID 4900 wrote to memory of 2716	4900	help.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528

C:\Users\Admin\AppData\Local\Temp\order specifications.exe
"C:\Users\Admin\AppData\Local\Temp\order specifications.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OElfQVLpgn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8647.tmp"
3⤵
- Creates scheduled task(s)
PID:2640

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4552

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:4900

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:2000

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:4948

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2716

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\Local\Temp\tmp8647.tmp
Filesize
1KB

MD5
987ae965bf6cffdb4744cb96d5b0571b

SHA1
79fd5de1aaf12bbbd8ec86110b703cf2d597a342

SHA256
ec21419aa025049703d32965d90d9f1d5c766fbd07b47fa0443bf1692c49c3b6

SHA512
aca71de6f79692c4ea49ac4a26378119da2c0438fdc491e5eb3321c5011d34ebfd6f25c71a93ea31baf0e6e40a64413d0e52815eb925bf6859ef1fcd5e32a07c

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logim.jpeg
Filesize
82KB

MD5
b3e71bef236d2f9fc120bcd55bf03228

SHA1
5fd38d1ea2740396a62ae623b8c8ec7c960c6ef3

SHA256
ad8226db22111be8a81bb7dc5d5e6d367373eedafbed42cb2402903f9b6e24ec

SHA512
58e189eb9ee33cc4c664a6021a34e910e2f08b87cf7b694cba043d04c3493d2369c6a82d3493937794b48f12ca889fb57468b3c7e81499151c365f47f1bc7a28

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\4-6P1RQE\4-6logrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/2000-148-0x0000000000000000-mapping.dmp

Download
memory/2388-135-0x0000000004D20000-0x0000000004D76000-memory.dmp

Filesize
344KB

Download
memory/2388-130-0x00000000000F0000-0x000000000019A000-memory.dmp

Filesize
680KB

Download
memory/2388-131-0x0000000004B40000-0x0000000004BDC000-memory.dmp

Filesize
624KB

Download
memory/2388-132-0x0000000005190000-0x0000000005734000-memory.dmp

Filesize
5.6MB

Download
memory/2388-133-0x0000000004C80000-0x0000000004D12000-memory.dmp

Filesize
584KB

Download
memory/2388-134-0x0000000004B20000-0x0000000004B2A000-memory.dmp

Filesize
40KB

Download
memory/2528-144-0x0000000007660000-0x000000000774C000-memory.dmp

Filesize
944KB

Download
memory/2528-151-0x0000000007750000-0x000000000785A000-memory.dmp

Filesize
1.0MB

Download
memory/2640-136-0x0000000000000000-mapping.dmp

Download
memory/4552-138-0x0000000000000000-mapping.dmp

Download
memory/4552-143-0x00000000015B0000-0x00000000015C4000-memory.dmp

Filesize
80KB

Download
memory/4552-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4552-142-0x0000000001610000-0x000000000195A000-memory.dmp

Filesize
3.3MB

Download
memory/4552-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4900-145-0x0000000000000000-mapping.dmp

Download
memory/4900-150-0x0000000001440000-0x00000000014D3000-memory.dmp

Filesize
588KB

Download
memory/4900-149-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/4900-146-0x00000000000D0000-0x00000000000D7000-memory.dmp

Filesize
28KB

Download
memory/4900-147-0x0000000000EE0000-0x0000000000F0E000-memory.dmp

Filesize
184KB

Download
memory/4948-152-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads