formbook | 237331c635e7f438708640a14f30c41682edd9a564be849f93e69fcb6b1bf8bb

General

Target

Final Invoice.exe
Size

606KB
MD5

4fa3f3624a3535393363d37419418907
SHA1

c52af732e90fa8c072eec07eaddaf628a45527f2
SHA256

b3726b579721d786a7288e99dfc1460fff597c9474456fbae59145f8a31fb7ef
SHA512

7802a2dcf488db321a7eb3b0eea98dac49146726b47746b4e8b49374c7ab99c7a842be23354a64d41e3a79f29b6268b71c28e584a42685a22b80b88e1a56fbe8
SSDEEP

12288:ZMaDUR4900fOE2QSP6Mu8DAl7sVymOrMNSl6YY1PpXjf49xi+C/qB:AOYjuNsVyDr611PpAC/

Score

10^/10

formbook m25s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m25s

Decoy

araghospitality.net

cleans.xyz

olnacasinotcs14.top

pringhillinfos.net

erkakasrumah.online

orean-course-289113002.zone

yeloma-treatment-82106.bond

76iw543gw.autos

nline-shopping-56055.bond

enetik.xyz

ax-th-6011838.fyi

itygatehousing.app

23zy998jk.bond

pslag-hal-2.online

uykoii.shop

9supjub3p.buzz

tmgl.bond

actus-catering-creations.net

ntercashspace24.homes

ierra777.vip

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2612-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 2612	2728	Final Invoice.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2628	2612	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	Final Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Final Invoice.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2728	Final Invoice.exe
2728	Final Invoice.exe
2728	Final Invoice.exe
2728	Final Invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	Final Invoice.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2876	2728	Final Invoice.exe	30
PID 2728 wrote to memory of 2876	2728	Final Invoice.exe	30
PID 2728 wrote to memory of 2876	2728	Final Invoice.exe	30
PID 2728 wrote to memory of 2876	2728	Final Invoice.exe	30
PID 2728 wrote to memory of 2892	2728	Final Invoice.exe	31
PID 2728 wrote to memory of 2892	2728	Final Invoice.exe	31
PID 2728 wrote to memory of 2892	2728	Final Invoice.exe	31
PID 2728 wrote to memory of 2892	2728	Final Invoice.exe	31
PID 2728 wrote to memory of 2612	2728	Final Invoice.exe	32
PID 2728 wrote to memory of 2612	2728	Final Invoice.exe	32
PID 2728 wrote to memory of 2612	2728	Final Invoice.exe	32
PID 2728 wrote to memory of 2612	2728	Final Invoice.exe	32
PID 2728 wrote to memory of 2612	2728	Final Invoice.exe	32
PID 2728 wrote to memory of 2612	2728	Final Invoice.exe	32
PID 2728 wrote to memory of 2612	2728	Final Invoice.exe	32
PID 2612 wrote to memory of 2628	2612	Final Invoice.exe	33
PID 2612 wrote to memory of 2628	2612	Final Invoice.exe	33
PID 2612 wrote to memory of 2628	2612	Final Invoice.exe	33
PID 2612 wrote to memory of 2628	2612	Final Invoice.exe	33

C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe"
  2⤵
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe"
  2⤵
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Final Invoice.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 36
    3⤵
    - Program crash
    PID:2628

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/2612-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2728-1-0x0000000000980000-0x0000000000A1C000-memory.dmp

Filesize
624KB

Download
memory/2728-2-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-3-0x0000000000240000-0x0000000000252000-memory.dmp

Filesize
72KB

Download
memory/2728-4-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2728-5-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-6-0x0000000005D10000-0x0000000005D86000-memory.dmp

Filesize
472KB

Download
memory/2728-13-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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