formbook | aaf433c2a97b43083875cd68addd1916972f8f9d4cbf1f69d8e835c593714f83

General

Target

New order.exe
Size

281KB
MD5

44d67d39cf033d2b1c5f669e181456dd
SHA1

93fa54a9399eafe1faf0810fc6f7d4c1daa77ee7
SHA256

7292b78a638622778908fde4d5ff1f66b4d2ed905a0f36622b28da645e0f0faf
SHA512

d549df5a78f54f51ac601263a2b61c69ef328a6cb2619244b1428b0ec46895722c7c89f8541820d03e943a0a6d39b89552c830ea156b08413ad4192c4d995d21

Score

10^/10

formbook 8utr persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

8utr

Decoy

krizeye.com

grupojoga.com

dgptj.com

aaclewyo.win

alyssamckinneyphoto.com

thedyeworksbv.com

getrichclub.com

founderscard.net

mcclainpick.com

vault.estate

amriglubal.com

erachain.ltd

elanyawine.com

whitedogblackcatgb.com

pnroiz.men

worlviewtravel.com

foundbyfind.com

hurst-mail.net

cottonpowerbd.com

j-lavainechampagne.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1332-131-0x000000000093D000-0x000000000096A000-memory.dmp	formbook
behavioral2/memory/1332-133-0x000000000092B000-0x0000000000972000-memory.dmp	formbook
behavioral2/memory/1332-136-0x000000000092B000-0x0000000000972000-memory.dmp	formbook
behavioral2/memory/4184-141-0x0000000000540000-0x000000000056D000-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:

netsh.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	netsh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HHFPWHTHP4G = "C:\\Program Files (x86)\\Hunu\\1b08ujiph.exe"	netsh.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

New order.exenetsh.exe

description	pid	process	target process
PID 1332 set thread context of 892	1332	New order.exe	Explorer.EXE
PID 1332 set thread context of 892	1332	New order.exe	Explorer.EXE
PID 4184 set thread context of 892	4184	netsh.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

netsh.exe

description ioc process

File opened for modification C:\Program Files (x86)\Hunu\1b08ujiph.exe netsh.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Hunu\1b08ujiph.exe	netsh.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

netsh.exe

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

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

New order.exenetsh.exe

pid	process
1332	New order.exe
1332	New order.exe
1332	New order.exe
1332	New order.exe
1332	New order.exe
1332	New order.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe
4184	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

892 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

New order.exenetsh.exe

pid process

1332 New order.exe
1332 New order.exe
1332 New order.exe
1332 New order.exe
4184 netsh.exe
4184 netsh.exe
4184 netsh.exe

pid	process
892	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

New order.exenetsh.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1332	New order.exe
Token: SeDebugPrivilege	4184	netsh.exe
Token: SeShutdownPrivilege	892	Explorer.EXE
Token: SeCreatePagefilePrivilege	892	Explorer.EXE
Token: SeShutdownPrivilege	892	Explorer.EXE
Token: SeCreatePagefilePrivilege	892	Explorer.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Explorer.EXEnetsh.exe

description	pid	process	target process
PID 892 wrote to memory of 4184	892	Explorer.EXE	netsh.exe
PID 892 wrote to memory of 4184	892	Explorer.EXE	netsh.exe
PID 892 wrote to memory of 4184	892	Explorer.EXE	netsh.exe
PID 892 wrote to memory of 4216	892	Explorer.EXE	netsh.exe
PID 892 wrote to memory of 4216	892	Explorer.EXE	netsh.exe
PID 892 wrote to memory of 4216	892	Explorer.EXE	netsh.exe
PID 4184 wrote to memory of 4504	4184	netsh.exe	cmd.exe
PID 4184 wrote to memory of 4504	4184	netsh.exe	cmd.exe
PID 4184 wrote to memory of 4504	4184	netsh.exe	cmd.exe
PID 4184 wrote to memory of 4584	4184	netsh.exe	cmd.exe
PID 4184 wrote to memory of 4584	4184	netsh.exe	cmd.exe
PID 4184 wrote to memory of 4584	4184	netsh.exe	cmd.exe
PID 4184 wrote to memory of 1412	4184	netsh.exe	Firefox.exe
PID 4184 wrote to memory of 1412	4184	netsh.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892
- C:\Users\Admin\AppData\Local\Temp\New order.exe
  "C:\Users\Admin\AppData\Local\Temp\New order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1332
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:4184
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\New order.exe"
    3⤵
    PID:4504
- - 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:4584
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1412
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  PID:4216

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/892-135-0x0000000007CD0000-0x0000000007E61000-memory.dmp

Filesize
1.6MB

Download
memory/892-145-0x0000000002550000-0x00000000025E9000-memory.dmp

Filesize
612KB

Download
memory/892-138-0x0000000007E70000-0x0000000007F82000-memory.dmp

Filesize
1.1MB

Download
memory/1332-134-0x0000000000B90000-0x0000000000BA4000-memory.dmp

Filesize
80KB

Download
memory/1332-130-0x000000000092B000-0x0000000000972000-memory.dmp

Filesize
284KB

Download
memory/1332-136-0x000000000092B000-0x0000000000972000-memory.dmp

Filesize
284KB

Download
memory/1332-137-0x00000000025D0000-0x00000000025E4000-memory.dmp

Filesize
80KB

Download
memory/1332-133-0x000000000092B000-0x0000000000972000-memory.dmp

Filesize
284KB

Download
memory/1332-131-0x000000000093D000-0x000000000096A000-memory.dmp

Filesize
180KB

Download
memory/1332-132-0x0000000002B10000-0x0000000002E5A000-memory.dmp

Filesize
3.3MB

Download
memory/4184-141-0x0000000000540000-0x000000000056D000-memory.dmp

Filesize
180KB

Download
memory/4184-142-0x0000000001040000-0x000000000138A000-memory.dmp

Filesize
3.3MB

Download
memory/4184-144-0x0000000000C20000-0x0000000000CB3000-memory.dmp

Filesize
588KB

Download
memory/4184-140-0x0000000001020000-0x000000000103E000-memory.dmp

Filesize
120KB

Download
memory/4184-139-0x0000000000000000-mapping.dmp

Download
memory/4504-143-0x0000000000000000-mapping.dmp

Download
memory/4584-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads