formbook | 333b2201d7744351d1b1991ff6a73e47d838195ad2747ffbdcba866c0ec50c93

General

Target

Invoice confirmation & NEW PO for 2 sets of items.exe
Size

245KB
MD5

f3c9093843cb99abb526c24e5d5cb8b1
SHA1

d63fc0888cee40b90f2dcfb96605b8720b60736e
SHA256

6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189
SHA512

9169de6e0a4d10c6e25f643bd8763da3e41c9ed75b976dc7e423c2893ca05b5b5cea0560f7bbfb636235f5d1f874a81a417292a1ee995d5e96b187da2b841db7
SSDEEP

6144:sTqjF9xMIMgoQS636xTz6bOrmKOUbAuQ+d:ssxnS63KrRAuQM

Score

10^/10

formbook gbwy discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gbwy

Decoy

fortnitegol.com

damoa.clinic

flifeunite.com

smacey.com

geekflare.host

teachflame.com

moneymakersclub.net

hollstore.com

virtual-box.cloud

electrojagat.com

lucianenergy.com

sagradha.net

bluehatcrypto.com

brandaotec.com

elisabeth-koblitz.com

miamielc-kuwait.com

juicedbikeszendesk.com

artesiansalt.com

avisena.net

homiesexuals.com

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
behavioral1/memory/2984-11-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2984-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2136	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2172	Invoice confirmation & NEW PO for 2 sets of items.exe
2172	Invoice confirmation & NEW PO for 2 sets of items.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2984	2172	Invoice confirmation & NEW PO for 2 sets of items.exe	29
PID 2984 set thread context of 1192	2984	Invoice confirmation & NEW PO for 2 sets of items.exe	20
PID 2820 set thread context of 1192	2820	wscript.exe	20

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	Invoice confirmation & NEW PO for 2 sets of items.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2984	Invoice confirmation & NEW PO for 2 sets of items.exe
2984	Invoice confirmation & NEW PO for 2 sets of items.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe
2820	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2172	Invoice confirmation & NEW PO for 2 sets of items.exe
2984	Invoice confirmation & NEW PO for 2 sets of items.exe
2984	Invoice confirmation & NEW PO for 2 sets of items.exe
2984	Invoice confirmation & NEW PO for 2 sets of items.exe
2820	wscript.exe
2820	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	Invoice confirmation & NEW PO for 2 sets of items.exe
Token: SeDebugPrivilege	2820	wscript.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2984	2172	Invoice confirmation & NEW PO for 2 sets of items.exe	29
PID 2172 wrote to memory of 2984	2172	Invoice confirmation & NEW PO for 2 sets of items.exe	29
PID 2172 wrote to memory of 2984	2172	Invoice confirmation & NEW PO for 2 sets of items.exe	29
PID 2172 wrote to memory of 2984	2172	Invoice confirmation & NEW PO for 2 sets of items.exe	29
PID 2172 wrote to memory of 2984	2172	Invoice confirmation & NEW PO for 2 sets of items.exe	29
PID 1192 wrote to memory of 2820	1192	Explorer.EXE	30
PID 1192 wrote to memory of 2820	1192	Explorer.EXE	30
PID 1192 wrote to memory of 2820	1192	Explorer.EXE	30
PID 1192 wrote to memory of 2820	1192	Explorer.EXE	30
PID 2820 wrote to memory of 2136	2820	wscript.exe	31
PID 2820 wrote to memory of 2136	2820	wscript.exe	31
PID 2820 wrote to memory of 2136	2820	wscript.exe	31
PID 2820 wrote to memory of 2136	2820	wscript.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\Invoice confirmation & NEW PO for 2 sets of items.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice confirmation & NEW PO for 2 sets of items.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Users\Admin\AppData\Local\Temp\Invoice confirmation & NEW PO for 2 sets of items.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice confirmation & NEW PO for 2 sets of items.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2984
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:2820
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Invoice confirmation & NEW PO for 2 sets of items.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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

\Users\Admin\AppData\Local\Temp\nsoF78A.tmp\System.dll

Filesize
10KB

MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

Download Submit
memory/1192-14-0x00000000036E0000-0x00000000037E0000-memory.dmp

Filesize
1024KB

Download
memory/1192-15-0x0000000004F00000-0x0000000004FD5000-memory.dmp

Filesize
852KB

Download
memory/1192-21-0x0000000004F00000-0x0000000004FD5000-memory.dmp

Filesize
852KB

Download
memory/2820-18-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/2820-20-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/2984-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2984-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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