formbook | f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c

General

Target

f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
Size

1.3MB
MD5

6c307da605db691944e35458f2a5b772
SHA1

b89158e370a8658cf3a6ed2bb78925e004034905
SHA256

f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c
SHA512

2c3dc98e9850a509d30b556c5bbc0941735ef26cfcb45cf23392a1c9e23012dd46d9916792c5c559d5cb2a3b27b1d96bfdf7d89f9f1b01db7bfc2630b17dfe17
SSDEEP

24576:bqDEvCTbMWu7rQYlBQcBiT6rprG8aj1BV+opERjUD4TV3Y4M1:bTvC/MTQYxsWR7ajTkoUUwJY

Score

10^/10

formbook g49t discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g49t

Decoy

oast.now

11av1805.xyz

ourse.sale

nfoaldyfbvmdgfat.buzz

ntli.biz

apidrotation.net

ourmet94goodies.shop

eeksee.fun

aamahsa-emer6.rest

he-eyeofgod.online

ctofoot.net

ellnessdigitalmedia.store

0999yh.one

inghoki88.pro

sg.productions

basicwardrobe.club

itansofwisdom.fun

leaning-services-46734.bond

dinhk.online

arcelaamiga.shop

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1708-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1708-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1708-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1284-16-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 1708	1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe	30
PID 1708 set thread context of 1232	1708	svchost.exe	21
PID 1708 set thread context of 1232	1708	svchost.exe	21
PID 1284 set thread context of 1232	1284	cmstp.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	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe
1284	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1284	cmstp.exe
1284	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	svchost.exe
Token: SeDebugPrivilege	1284	cmstp.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1708	1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe	30
PID 1628 wrote to memory of 1708	1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe	30
PID 1628 wrote to memory of 1708	1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe	30
PID 1628 wrote to memory of 1708	1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe	30
PID 1628 wrote to memory of 1708	1628	f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe	30
PID 1232 wrote to memory of 1284	1232	Explorer.EXE	32
PID 1232 wrote to memory of 1284	1232	Explorer.EXE	32
PID 1232 wrote to memory of 1284	1232	Explorer.EXE	32
PID 1232 wrote to memory of 1284	1232	Explorer.EXE	32
PID 1232 wrote to memory of 1284	1232	Explorer.EXE	32
PID 1232 wrote to memory of 1284	1232	Explorer.EXE	32
PID 1232 wrote to memory of 1284	1232	Explorer.EXE	32
PID 1284 wrote to memory of 2344	1284	cmstp.exe	33
PID 1284 wrote to memory of 2344	1284	cmstp.exe	33
PID 1284 wrote to memory of 2344	1284	cmstp.exe	33
PID 1284 wrote to memory of 2344	1284	cmstp.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe
  "C:\Users\Admin\AppData\Local\Temp\f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\f65ec81dc8f5d0a0a1f53752cdc2bb933e2897a91091f28b8d1702ffe207481c.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1708
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:1284
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2344

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/1232-13-0x0000000005280000-0x00000000053CA000-memory.dmp

Filesize
1.3MB

Download
memory/1232-25-0x0000000006760000-0x000000000682A000-memory.dmp

Filesize
808KB

Download
memory/1232-24-0x0000000006760000-0x000000000682A000-memory.dmp

Filesize
808KB

Download
memory/1232-22-0x0000000006760000-0x000000000682A000-memory.dmp

Filesize
808KB

Download
memory/1232-17-0x0000000005280000-0x00000000053CA000-memory.dmp

Filesize
1.3MB

Download
memory/1232-8-0x0000000005110000-0x0000000005200000-memory.dmp

Filesize
960KB

Download
memory/1232-12-0x0000000005110000-0x0000000005200000-memory.dmp

Filesize
960KB

Download
memory/1284-16-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1284-15-0x00000000001D0000-0x00000000001E8000-memory.dmp

Filesize
96KB

Download
memory/1284-14-0x00000000001D0000-0x00000000001E8000-memory.dmp

Filesize
96KB

Download
memory/1628-2-0x0000000000790000-0x0000000000B90000-memory.dmp

Filesize
4.0MB

Download
memory/1708-11-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/1708-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1708-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1708-7-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/1708-4-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1708-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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