formbook | 6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2022, 03:58

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General

Target

6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe
Size

72KB
MD5

6f53598b9c19b30a0cf3ff0432301708
SHA1

4bd8e67e468adfbfddd9e5a1e47fdf318bf9a31b
SHA256

6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379
SHA512

e655648f950b90261fd2b54be1ebfee9780ff466351d1cc4b1a675c41329fc5eae62f20ccb9423d3ee4e3457c7a8ed63b14bc2e30f205a4512122301ce2d1541
SSDEEP

1536:7BKK5PX8Q01Hb20oJ0fekpamVGfhCW7j:lKSx0177ouekpamVGfhCW7j

Score

10^/10

formbook zx85 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

zx85

Decoy

myclassly.com

rilcon.xyz

miracleun.shop

gadgetward-usa.com

farmaacademy.com

dreamsolutions.group

fffood.online

ziggnl.site

cherpol.com

imprescriptible-tienoscope.biz

yztc.fun

chicagonftweek.com

zz0659.com

hznaixi.com

027-seo.net

korlekded.com

gelatoitaly.com

finlitguru.com

gupingapp.com

manmakecoffee.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/4752-134-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/4752-136-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2224-143-0x0000000000AC0000-0x0000000000AEF000-memory.dmp	formbook
behavioral1/memory/2224-147-0x0000000000AC0000-0x0000000000AEF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4800 set thread context of 4752	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe	83
PID 4752 set thread context of 2212	4752	aspnet_compiler.exe	42
PID 2224 set thread context of 2212	2224	NETSTAT.EXE	42

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
2224	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4752	aspnet_compiler.exe
4752	aspnet_compiler.exe
4752	aspnet_compiler.exe
4752	aspnet_compiler.exe
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE
2224	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2212	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4752	aspnet_compiler.exe
4752	aspnet_compiler.exe
4752	aspnet_compiler.exe
2224	NETSTAT.EXE
2224	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe
Token: SeDebugPrivilege	4752	aspnet_compiler.exe
Token: SeDebugPrivilege	2224	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 4752	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe	83
PID 4800 wrote to memory of 4752	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe	83
PID 4800 wrote to memory of 4752	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe	83
PID 4800 wrote to memory of 4752	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe	83
PID 4800 wrote to memory of 4752	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe	83
PID 4800 wrote to memory of 4752	4800	6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe	83
PID 2212 wrote to memory of 2224	2212	Explorer.EXE	84
PID 2212 wrote to memory of 2224	2212	Explorer.EXE	84
PID 2212 wrote to memory of 2224	2212	Explorer.EXE	84
PID 2224 wrote to memory of 4960	2224	NETSTAT.EXE	85
PID 2224 wrote to memory of 4960	2224	NETSTAT.EXE	85
PID 2224 wrote to memory of 4960	2224	NETSTAT.EXE	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe
  "C:\Users\Admin\AppData\Local\Temp\6d3397c687aea5017b90a5e96adc6fbfb0429d56a8b2ead1f1d4273994952379.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4800
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4752
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2212-148-0x0000000008510000-0x0000000008607000-memory.dmp

Filesize
988KB

Download
memory/2212-146-0x0000000008510000-0x0000000008607000-memory.dmp

Filesize
988KB

Download
memory/2212-139-0x0000000008440000-0x0000000008505000-memory.dmp

Filesize
788KB

Download
memory/2224-143-0x0000000000AC0000-0x0000000000AEF000-memory.dmp

Filesize
188KB

Download
memory/2224-147-0x0000000000AC0000-0x0000000000AEF000-memory.dmp

Filesize
188KB

Download
memory/2224-145-0x0000000001040000-0x00000000010D4000-memory.dmp

Filesize
592KB

Download
memory/2224-142-0x0000000000270000-0x000000000027B000-memory.dmp

Filesize
44KB

Download
memory/2224-144-0x00000000011F0000-0x000000000153A000-memory.dmp

Filesize
3.3MB

Download
memory/4752-137-0x0000000001540000-0x000000000188A000-memory.dmp

Filesize
3.3MB

Download
memory/4752-138-0x00000000014A0000-0x00000000014B5000-memory.dmp

Filesize
84KB

Download
memory/4752-136-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4752-134-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4800-132-0x0000000000210000-0x0000000000228000-memory.dmp

Filesize
96KB

Download