formbook | 88489f399a91cf02b01012981cd1cec452c0e885d6c5728892f45920fdc68b66

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 11:35

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General

Target

Creative Artists Agency.exe
Size

675KB
MD5

aaa655302b6609a7b315fa61817de31d
SHA1

ac8d992f82e2b959c12e570eafef8e8ad751fe80
SHA256

e3b137b034830c5189138a584ad99c6710a65e30d94779c92a1610c3d7de97ad
SHA512

fdc0b8163622b9471b44857cbf791e25e142ad1dbe9e56d3ca8bc994d33dc8069abf0c244f84c0153182de52415a95c636cd0a2384d98b6cc9d6244cba6186cc
SSDEEP

12288:Gqux1UoIG5MPUXaewhSi2FWMTaiPNhkl5Wq2xChiss1dVxunRgjcbGq965c:gUobysaewhSi4TNPNhkl59WChNCBugj8

Score

10^/10

formbook j01s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

j01s

Decoy

ransportationmtsmtpro.top

v-camper-motorhomes-77740.bond

vrepairmumbai.shop

hocosmooth.xyz

etirementplanning01.today

ompralojaonline.shop

ransportationmpmptpro.top

hehomeownermanuel.info

oppr.fit

ilmynadin.cfd

ontrol-bipolar-treatments.club

eorge-saaab.buzz

ose-ferrer.online

16au612ch.bond

y0015.net

ksdnhe58w.top

epression-treatment-75701.bond

illagin.shop

xahf.top

vzpbty.buzz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3296-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3296-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1048-23-0x00000000004D0000-0x00000000004FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 404 set thread context of 3296	404	Creative Artists Agency.exe	95
PID 3296 set thread context of 3476	3296	Creative Artists Agency.exe	56
PID 1048 set thread context of 3476	1048	rundll32.exe	56

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	Creative Artists Agency.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
404	Creative Artists Agency.exe
404	Creative Artists Agency.exe
404	Creative Artists Agency.exe
404	Creative Artists Agency.exe
3296	Creative Artists Agency.exe
3296	Creative Artists Agency.exe
3296	Creative Artists Agency.exe
3296	Creative Artists Agency.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3296	Creative Artists Agency.exe
3296	Creative Artists Agency.exe
3296	Creative Artists Agency.exe
1048	rundll32.exe
1048	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	Creative Artists Agency.exe
Token: SeDebugPrivilege	3296	Creative Artists Agency.exe
Token: SeDebugPrivilege	1048	rundll32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 1836	404	Creative Artists Agency.exe	94
PID 404 wrote to memory of 1836	404	Creative Artists Agency.exe	94
PID 404 wrote to memory of 1836	404	Creative Artists Agency.exe	94
PID 404 wrote to memory of 3296	404	Creative Artists Agency.exe	95
PID 404 wrote to memory of 3296	404	Creative Artists Agency.exe	95
PID 404 wrote to memory of 3296	404	Creative Artists Agency.exe	95
PID 404 wrote to memory of 3296	404	Creative Artists Agency.exe	95
PID 404 wrote to memory of 3296	404	Creative Artists Agency.exe	95
PID 404 wrote to memory of 3296	404	Creative Artists Agency.exe	95
PID 3476 wrote to memory of 1048	3476	Explorer.EXE	101
PID 3476 wrote to memory of 1048	3476	Explorer.EXE	101
PID 3476 wrote to memory of 1048	3476	Explorer.EXE	101
PID 1048 wrote to memory of 2016	1048	rundll32.exe	102
PID 1048 wrote to memory of 2016	1048	rundll32.exe	102
PID 1048 wrote to memory of 2016	1048	rundll32.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\Creative Artists Agency.exe
  "C:\Users\Admin\AppData\Local\Temp\Creative Artists Agency.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:404
- - C:\Users\Admin\AppData\Local\Temp\Creative Artists Agency.exe
    "C:\Users\Admin\AppData\Local\Temp\Creative Artists Agency.exe"
    3⤵
    PID:1836
- - C:\Users\Admin\AppData\Local\Temp\Creative Artists Agency.exe
    "C:\Users\Admin\AppData\Local\Temp\Creative Artists Agency.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3296
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:832
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4568
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2768
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3468
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3428
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:1048
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Creative Artists Agency.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/404-10-0x0000000006B80000-0x0000000006BF6000-memory.dmp

Filesize
472KB

Download
memory/404-13-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/404-0-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/404-3-0x00000000055E0000-0x0000000005672000-memory.dmp

Filesize
584KB

Download
memory/404-6-0x0000000005870000-0x000000000590C000-memory.dmp

Filesize
624KB

Download
memory/404-5-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/404-4-0x0000000005560000-0x000000000556A000-memory.dmp

Filesize
40KB

Download
memory/404-7-0x0000000006C50000-0x0000000006C68000-memory.dmp

Filesize
96KB

Download
memory/404-8-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/404-9-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/404-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

Filesize
5.6MB

Download
memory/404-1-0x0000000000AF0000-0x0000000000BA0000-memory.dmp

Filesize
704KB

Download
memory/1048-23-0x00000000004D0000-0x00000000004FF000-memory.dmp

Filesize
188KB

Download
memory/1048-19-0x0000000000FB0000-0x0000000000FC4000-memory.dmp

Filesize
80KB

Download
memory/1048-22-0x0000000000FB0000-0x0000000000FC4000-memory.dmp

Filesize
80KB

Download
memory/3296-14-0x0000000001860000-0x0000000001BAA000-memory.dmp

Filesize
3.3MB

Download
memory/3296-17-0x0000000001750000-0x0000000001764000-memory.dmp

Filesize
80KB

Download
memory/3296-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3296-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3476-28-0x0000000008660000-0x0000000008747000-memory.dmp

Filesize
924KB

Download
memory/3476-24-0x0000000008500000-0x0000000008652000-memory.dmp

Filesize
1.3MB

Download
memory/3476-26-0x0000000008660000-0x0000000008747000-memory.dmp

Filesize
924KB

Download
memory/3476-18-0x0000000008500000-0x0000000008652000-memory.dmp

Filesize
1.3MB

Download