formbook | 5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a

General

Target

5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe
Size

1.1MB
MD5

60484575a729fea8468fb9f6d9dcb68e
SHA1

c1e9c49b5e00f3af3c17fc88877d8583ef64042a
SHA256

5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a
SHA512

ad72b946888951594d0a50624c40e47d9aede4eb4216f4c0b10b21075cc96afc2891912bab695fd0a4a79b215defe6de56b9ad8e81e220be93094797e79555b9
SSDEEP

24576:PqDEvCTbMWu7rQYlBQcBiT6rprG8aKM0bQI31dYpA:PTvC/MTQYxsWR7aKFbzd

Score

10^/10

formbook ot96 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ot96

Decoy

yclingbear.studio

sxuio.xyz

eon-official-bk-o57v.buzz

teel.management

rusjitu.sbs

ighwald-holdings.info

ummitfinancal.vip

layvalleyconstruction.online

pp-games-efficsecuspon.xyz

ouh.shop

mgltd.services

gshsjwhgsg.fun

eidotijolo.online

yifg.sbs

nline-gaming-ox-mx.xyz

ux-money.info

inergiputraborneo.dev

panish-classes-67016.bond

reightrading.info

23bet.xyz

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1532-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1532-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2612 set thread context of 1532	2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe	31
PID 1532 set thread context of 1220	1532	svchost.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2672	2712	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	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1532	svchost.exe
1532	svchost.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	svchost.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe
2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe
2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 1532	2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe	31
PID 2612 wrote to memory of 1532	2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe	31
PID 2612 wrote to memory of 1532	2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe	31
PID 2612 wrote to memory of 1532	2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe	31
PID 2612 wrote to memory of 1532	2612	5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe	31
PID 1220 wrote to memory of 2712	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2712	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2712	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2712	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2712	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2712	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2712	1220	Explorer.EXE	32
PID 2712 wrote to memory of 2672	2712	msiexec.exe	33
PID 2712 wrote to memory of 2672	2712	msiexec.exe	33
PID 2712 wrote to memory of 2672	2712	msiexec.exe	33
PID 2712 wrote to memory of 2672	2712	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe
  "C:\Users\Admin\AppData\Local\Temp\5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.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:2612
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\5c376333ba521bd53b47eb9b0ac1bef3c7f52172a8152bf566bb9da37f92084a.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1532
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 268
    3⤵
    - Program crash
    PID:2672

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/1220-17-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1220-18-0x0000000005220000-0x00000000053A9000-memory.dmp

Filesize
1.5MB

Download
memory/1220-24-0x0000000005220000-0x00000000053A9000-memory.dmp

Filesize
1.5MB

Download
memory/1532-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1532-13-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/1532-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1532-16-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2612-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2712-19-0x00000000007B0000-0x00000000007C4000-memory.dmp

Filesize
80KB

Download
memory/2712-20-0x00000000007B0000-0x00000000007C4000-memory.dmp

Filesize
80KB

Download
memory/2712-22-0x00000000007B0000-0x00000000007C4000-memory.dmp

Filesize
80KB

Download

Analysis

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