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 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

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1776-137-0x0000000000DC0000-0x0000000000DED000-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:

wlanext.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9RUHZLUHQZCL = "C:\\Program Files (x86)\\Xdjetqfhh\\9ridrtbpoxhtq.exe"	wlanext.exe
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wlanext.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

order.exeorder.exewlanext.exe

description	pid	process	target process
PID 1660 set thread context of 3712	1660	order.exe	order.exe
PID 3712 set thread context of 3144	3712	order.exe	Explorer.EXE
PID 1776 set thread context of 3144	1776	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wlanext.exe

description ioc process

File opened for modification C:\Program Files (x86)\Xdjetqfhh\9ridrtbpoxhtq.exe wlanext.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Xdjetqfhh\9ridrtbpoxhtq.exe	wlanext.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

order.exeorder.exewlanext.exe

pid	process
1660	order.exe
1660	order.exe
3712	order.exe
3712	order.exe
3712	order.exe
3712	order.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe
1776	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3144 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

order.exeorder.exewlanext.exe

pid process

1660 order.exe
3712 order.exe
3712 order.exe
3712 order.exe
1776 wlanext.exe
1776 wlanext.exe

pid	process
3144	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

order.exewlanext.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3712	order.exe
Token: SeDebugPrivilege	1776	wlanext.exe
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

order.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1660 wrote to memory of 3712	1660	order.exe	order.exe
PID 1660 wrote to memory of 3712	1660	order.exe	order.exe
PID 1660 wrote to memory of 3712	1660	order.exe	order.exe
PID 3144 wrote to memory of 1776	3144	Explorer.EXE	wlanext.exe
PID 3144 wrote to memory of 1776	3144	Explorer.EXE	wlanext.exe
PID 3144 wrote to memory of 1776	3144	Explorer.EXE	wlanext.exe
PID 1776 wrote to memory of 4052	1776	wlanext.exe	cmd.exe
PID 1776 wrote to memory of 4052	1776	wlanext.exe	cmd.exe
PID 1776 wrote to memory of 4052	1776	wlanext.exe	cmd.exe
PID 1776 wrote to memory of 2440	1776	wlanext.exe	cmd.exe
PID 1776 wrote to memory of 2440	1776	wlanext.exe	cmd.exe
PID 1776 wrote to memory of 2440	1776	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144

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:1660

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:3712

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.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:1776

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\order.exe"
3⤵
PID:4052

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:2440

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\O5N16ST5\O5Nlogrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

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

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\O5N16ST5\O5Nlogrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1660-131-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-140-0x0000000001600000-0x0000000001693000-memory.dmp

Filesize
588KB

Download
memory/1776-135-0x0000000000000000-mapping.dmp

Download
memory/1776-136-0x00000000006A0000-0x00000000006B7000-memory.dmp

Filesize
92KB

Download
memory/1776-137-0x0000000000DC0000-0x0000000000DED000-memory.dmp

Filesize
180KB

Download
memory/1776-138-0x00000000017C0000-0x0000000001B0A000-memory.dmp

Filesize
3.3MB

Download
memory/2440-142-0x0000000000000000-mapping.dmp

Download
memory/3144-141-0x0000000002760000-0x000000000286B000-memory.dmp

Filesize
1.0MB

Download
memory/3144-134-0x0000000007F70000-0x00000000080A2000-memory.dmp

Filesize
1.2MB

Download
memory/3712-130-0x0000000000000000-mapping.dmp

Download
memory/3712-133-0x00000000009D0000-0x00000000009E4000-memory.dmp

Filesize
80KB

Download
memory/3712-132-0x00000000009F0000-0x0000000000D3A000-memory.dmp

Filesize
3.3MB

Download
memory/4052-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads