formbook | 80c30db2d99ff849295e7c0a8e6924ead10228105d0d675f02c1244ef6bd0106

General

Target

duzcazams.exe
Size

133KB
MD5

9cc4b3dcc8a712968339507dfbefa5bc
SHA1

5909f209cf93e4365180ac050d663a2076e81af8
SHA256

3017920f6f2c95870bf938c2aab1c64e77c9b65e7f8ad7e3d81cdaeb58bacff3
SHA512

c5f5955302883578f4899f9250984bcedc375a7f2c1b3e1dd3912a1e334c8f247df757cb94a4ac8ed94918659b22f0070172dfbe0dc9fe567fece22a7b34364e
SSDEEP

3072:5DCsPEvMCi32nCnQCqTJhtvjRwDOAa00LSAQzM3JDH:Z9PkKuDTJrFwD5eH

Score

10^/10

formbook sy01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy01

Decoy

aeria.life

jotted.community

mozarspalace.com

bfkoxoih.work

doganmuzik.com

ljsq.shop

vitalitycook.store

74574575.xyz

infiniteuniverse.site

storkrv.com

amendmentsymmetrical.top

adevodigital.com

renammsac.com

tptretry.info

ninfainacquerello.com

25038.top

httpsthothub.lol

yvxbt.com

72028.top

vzxtopi.xyz

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral5/memory/3000-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral5/memory/3068-9-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1644	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 3000	2380	duzcazams.exe	32
PID 3000 set thread context of 1200	3000	duzcazams.exe	21
PID 3068 set thread context of 1200	3068	msdt.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	duzcazams.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3000	duzcazams.exe
3000	duzcazams.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe
3068	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3000	duzcazams.exe
3000	duzcazams.exe
3000	duzcazams.exe
3068	msdt.exe
3068	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	duzcazams.exe
Token: SeDebugPrivilege	3068	msdt.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3000	2380	duzcazams.exe	32
PID 2380 wrote to memory of 3000	2380	duzcazams.exe	32
PID 2380 wrote to memory of 3000	2380	duzcazams.exe	32
PID 2380 wrote to memory of 3000	2380	duzcazams.exe	32
PID 2380 wrote to memory of 3000	2380	duzcazams.exe	32
PID 1200 wrote to memory of 3068	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3068	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3068	1200	Explorer.EXE	33
PID 1200 wrote to memory of 3068	1200	Explorer.EXE	33
PID 3068 wrote to memory of 1644	3068	msdt.exe	34
PID 3068 wrote to memory of 1644	3068	msdt.exe	34
PID 3068 wrote to memory of 1644	3068	msdt.exe	34
PID 3068 wrote to memory of 1644	3068	msdt.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\duzcazams.exe
  "C:\Users\Admin\AppData\Local\Temp\duzcazams.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Users\Admin\AppData\Local\Temp\duzcazams.exe
    "C:\Users\Admin\AppData\Local\Temp\duzcazams.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3000
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\duzcazams.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-5-0x0000000004D90000-0x0000000004F2E000-memory.dmp

Filesize
1.6MB

Download
memory/1200-10-0x0000000004D90000-0x0000000004F2E000-memory.dmp

Filesize
1.6MB

Download
memory/1200-15-0x0000000004F30000-0x000000000507E000-memory.dmp

Filesize
1.3MB

Download
memory/1200-16-0x0000000004F30000-0x000000000507E000-memory.dmp

Filesize
1.3MB

Download
memory/1200-18-0x0000000004F30000-0x000000000507E000-memory.dmp

Filesize
1.3MB

Download
memory/2380-0-0x0000000000090000-0x0000000000092000-memory.dmp

Filesize
8KB

Download
memory/3000-2-0x0000000000B20000-0x0000000000E23000-memory.dmp

Filesize
3.0MB

Download
memory/3000-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3000-3-0x000000000041F000-0x0000000000420000-memory.dmp

Filesize
4KB

Download
memory/3068-7-0x00000000008E0000-0x00000000009D4000-memory.dmp

Filesize
976KB

Download
memory/3068-8-0x00000000008E0000-0x00000000009D4000-memory.dmp

Filesize
976KB

Download
memory/3068-9-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

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