formbook | f99fcaedc0640fba0f23d2e558a0e3404d9b4e8ff312919a4d7a6683d3b41726

General

Target

order.exe
Size

684KB
MD5

3b946d9c1c8d6586540fd217f44201dd
SHA1

63c11f8a26e69e5a0f1a19c2115eb8be8f57cb2a
SHA256

0a06767c6ec2249902ef118e04b2044b9784b544b81a7f5e253ae373fd706ceb
SHA512

30373763bef2d7eee0c8d8c901a82bb7eaf97bc7bd44c714e06e31fad03dd01b051c3913030b6587e68b960fdd31d4280285002ab53fb54df3806c8c54281184

Score

10^/10

formbook w9z persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.0

Campaign

w9z

Decoy

crazzysex.com

hanferd.com

gteesrd.com

bayfrontbabyplace.com

jicuiquan.net

relationshiplink.net

ohchacyberphoto.com

kauegimenes.com

powerful-seldom.com

ketotoken.com

make-money-online-success.com

redgoldcollection.com

hannan-football.com

hamptondc.com

vllii.com

aa8520.com

platform35markethall.com

larozeimmo.com

oligopoly.net

llhak.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 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1172-63-0x0000000000080000-0x00000000000AD000-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:

cmd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\YNE8IXJ0ANY = "C:\\Program Files (x86)\\Cgr5xfr\\taskhostqdfh.exe"	cmd.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1980 cmd.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
1980	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

order.exeorder.execmd.exe

description	pid	process	target process
PID 900 set thread context of 2020	900	order.exe	order.exe
PID 2020 set thread context of 1300	2020	order.exe	Explorer.EXE
PID 1172 set thread context of 1300	1172	cmd.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmd.exe

description ioc process

File opened for modification C:\Program Files (x86)\Cgr5xfr\taskhostqdfh.exe cmd.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Cgr5xfr\taskhostqdfh.exe	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

order.exeorder.execmd.exe

pid	process
900	order.exe
2020	order.exe
2020	order.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe
1172	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

order.exeorder.execmd.exe

pid process

900 order.exe
2020 order.exe
2020 order.exe
2020 order.exe
1172 cmd.exe
1172 cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

order.execmd.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 2020 order.exe
Token: SeDebugPrivilege 1172 cmd.exe
Token: SeShutdownPrivilege 1300 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1300 Explorer.EXE
1300 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1300 Explorer.EXE
1300 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2020	order.exe
Token: SeDebugPrivilege	1172	cmd.exe
Token: SeShutdownPrivilege	1300	Explorer.EXE

pid	process
1300	Explorer.EXE
1300	Explorer.EXE

pid	process
1300	Explorer.EXE
1300	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

order.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 900 wrote to memory of 2020	900	order.exe	order.exe
PID 900 wrote to memory of 2020	900	order.exe	order.exe
PID 900 wrote to memory of 2020	900	order.exe	order.exe
PID 900 wrote to memory of 2020	900	order.exe	order.exe
PID 1300 wrote to memory of 1172	1300	Explorer.EXE	cmd.exe
PID 1300 wrote to memory of 1172	1300	Explorer.EXE	cmd.exe
PID 1300 wrote to memory of 1172	1300	Explorer.EXE	cmd.exe
PID 1300 wrote to memory of 1172	1300	Explorer.EXE	cmd.exe
PID 1172 wrote to memory of 1980	1172	cmd.exe	cmd.exe
PID 1172 wrote to memory of 1980	1172	cmd.exe	cmd.exe
PID 1172 wrote to memory of 1980	1172	cmd.exe	cmd.exe
PID 1172 wrote to memory of 1980	1172	cmd.exe	cmd.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

cmd.exe

description ioc process

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1300

C:\Users\Admin\AppData\Local\Temp\order.exe
"C:\Users\Admin\AppData\Local\Temp\order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:900

C:\Users\Admin\AppData\Local\Temp\order.exe
"C:\Users\Admin\AppData\Local\Temp\order.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.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:1172

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\order.exe"
3⤵
- Deletes itself
PID:1980

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

3

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\Roaming\O5N16ST5\O5Nlogim.jpeg
Filesize
71KB

MD5
ea07295b37f07760da5dfcdbaca16c4d

SHA1
0398800d74eb445c35e7749caeb228816fb528d7

SHA256
227362957bf064ed9e7b588836f141f151714c981a71145b823f5888086fbeab

SHA512
61bb714325b87fee69b6a6e99262062cd0816764137542175842d7f910bc8125c565e80e422e00ce5dab62ec84cdd2f5ad7fbb9a86186e61e00f508573c8e78b

Download Submit
C:\Users\Admin\AppData\Roaming\O5N16ST5\O5Nlogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

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C:\Users\Admin\AppData\Roaming\O5N16ST5\O5Nlogrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

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memory/900-56-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/900-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1172-64-0x0000000002020000-0x0000000002323000-memory.dmp

Filesize
3.0MB

Download
memory/1172-60-0x0000000000000000-mapping.dmp

Download
memory/1172-65-0x00000000006B0000-0x0000000000743000-memory.dmp

Filesize
588KB

Download
memory/1172-62-0x000000004A280000-0x000000004A2CC000-memory.dmp

Filesize
304KB

Download
memory/1172-63-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1300-66-0x0000000004320000-0x00000000043D3000-memory.dmp

Filesize
716KB

Download
memory/1300-59-0x0000000006EE0000-0x000000000705F000-memory.dmp

Filesize
1.5MB

Download
memory/1980-61-0x0000000000000000-mapping.dmp

Download
memory/2020-58-0x0000000000340000-0x0000000000354000-memory.dmp

Filesize
80KB

Download
memory/2020-57-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2020-55-0x000000000041E2D0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads