formbook | be67380a29f7a6441a097d6921cf5c7348bc0ed6d20844b7ec662c24d96c82a5

Analysis

max time kernel
33s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
01-05-2023 20:08

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General

Target

PURCHASE001.exe
Size

876KB
MD5

73fb99c411ecc3783a6f8ca99c4b38d3
SHA1

0fac050f30927c0bdb6a59b629a28e9d9277b741
SHA256

be67380a29f7a6441a097d6921cf5c7348bc0ed6d20844b7ec662c24d96c82a5
SHA512

115b8e5b9327b5040aa128cb27df87a21d39e283514ee27b6385566c97f3741b4fb2bf31a8ae9ac013a5faca3613654b6d8fcbf7e67ddaa8a1c36b722c258b67
SSDEEP

12288:NtN+qFRD49GYo3EU9Aj4aNJqzSiMpV+j5fnur1/AUiXZSGjrJ3xigV:NLX89GZ9NaLlpo5S7oZ//J3L

Score

10^/10

formbook modiloader h3sc persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h3sc

Decoy

seemessage.com

bitlab.website

cheesestuff.ru

bhartiyafitness.com

bardapps.com

l7a4.com

chiara-samatanga.com

lesrollintioup.com

dropwc.com

mackey242.com

rackksfresheggs.com

thinkvlog.com

aidmedicalassist.com

firehousepickleball.net

sifreyonetici.com

teka-mart.com

ddttzone.xyz

macfeeupdate.com

ivocastillo.com

serjayparks.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1696-62-0x0000000010410000-0x000000001043F000-memory.dmp	formbook
behavioral1/memory/1288-71-0x0000000010410000-0x000000001043F000-memory.dmp	formbook

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1696-54-0x0000000001EA0000-0x0000000001EF9000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PURCHASE001.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nkgvk = "C:\\Users\\Public\\Libraries\\kvgkN.url"	PURCHASE001.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PURCHASE001.exewscript.exe

pid process

1696 PURCHASE001.exe
1288 wscript.exe
1288 wscript.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

wscript.exe

pid process

1288 wscript.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wscript.exe

description pid process

Token: SeDebugPrivilege 1288 wscript.exe

pid	process
1696	PURCHASE001.exe
1288	wscript.exe
1288	wscript.exe

pid	process
1288	wscript.exe

description	pid	process
Token: SeDebugPrivilege	1288	wscript.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

PURCHASE001.exe

description	pid	process	target process
PID 1696 wrote to memory of 1288	1696	PURCHASE001.exe	wscript.exe
PID 1696 wrote to memory of 1288	1696	PURCHASE001.exe	wscript.exe
PID 1696 wrote to memory of 1288	1696	PURCHASE001.exe	wscript.exe
PID 1696 wrote to memory of 1288	1696	PURCHASE001.exe	wscript.exe
PID 1696 wrote to memory of 1288	1696	PURCHASE001.exe	wscript.exe
PID 1696 wrote to memory of 1288	1696	PURCHASE001.exe	wscript.exe
PID 1696 wrote to memory of 1288	1696	PURCHASE001.exe	wscript.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE001.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE001.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\wscript.exe
  C:\Windows\System32\wscript.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1288-63-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1288-66-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1288-64-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1288-69-0x0000000003060000-0x0000000003363000-memory.dmp

Filesize
3.0MB

Download
memory/1288-71-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1696-54-0x0000000001EA0000-0x0000000001EF9000-memory.dmp

Filesize
356KB

Download
memory/1696-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1696-57-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1696-61-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1696-62-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download