formbook | c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 15:09

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General

Target

c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe
Size

1.0MB
MD5

2152b36e66b0f34d055dd94dbb86c142
SHA1

80f6ffe1c3434d5034bfa9d69486b135529c434c
SHA256

c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb
SHA512

1d3e47dbd929290732d3e42d0b1f238003bf8571c40a0fb35d1d40cc072c2aeaf3962f02df2b25081bbea6ab213c5631e1cf21a857d92b5658a1f8917f4f275c
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL0VlFA4rPpOaYqsIEBs+j4QcIZjMHcs:ffmMv6Ckr7Mny5QL0VpAarwhjhcJHCrW

Score

10^/10

formbook ms84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ms84

Decoy

ecurity-ukgaxq.xyz

45ee.top

risiddivinayaka.net

tizip-skill.xyz

ostcanadantet.top

764.xyz

oco188rtp.xyz

lobalacessory.shop

qcq-serve.xyz

dameth.top

arge-eycert.xyz

yzwj-she.xyz

bgfrp-plant.xyz

emesiartwork.net

rcw-hotel.xyz

loor-dfqzpi.xyz

vidence-zvkkln.xyz

oisthuchoyarura.shop

959108ttltxfm842.top

apzcc-both.xyz

Signatures

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

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5016-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5016-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2856-12-0x0000000000A00000-0x0000000000A2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exesvchost.exeWWAHost.exe

description	pid	Process	procid_target
PID 3972 set thread context of 5016	3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe	87
PID 5016 set thread context of 2836	5016	svchost.exe	54
PID 2856 set thread context of 2836	2856	WWAHost.exe	54

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

Processes:

cmd.exec2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exeWWAHost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WWAHost.exe

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exeWWAHost.exe

pid	Process
5016	svchost.exe
5016	svchost.exe
5016	svchost.exe
5016	svchost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe
2856	WWAHost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exesvchost.exeWWAHost.exe

pid	Process
3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe
5016	svchost.exe
5016	svchost.exe
5016	svchost.exe
2856	WWAHost.exe
2856	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeWWAHost.exe

description	pid	Process
Token: SeDebugPrivilege	5016	svchost.exe
Token: SeDebugPrivilege	2856	WWAHost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe

pid	Process
3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe
3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe

pid	Process
3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe
3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
2836	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exeExplorer.EXEWWAHost.exe

description	pid	Process	procid_target
PID 3972 wrote to memory of 5016	3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe	87
PID 3972 wrote to memory of 5016	3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe	87
PID 3972 wrote to memory of 5016	3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe	87
PID 3972 wrote to memory of 5016	3972	c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe	87
PID 2836 wrote to memory of 2856	2836	Explorer.EXE	94
PID 2836 wrote to memory of 2856	2836	Explorer.EXE	94
PID 2836 wrote to memory of 2856	2836	Explorer.EXE	94
PID 2856 wrote to memory of 1700	2856	WWAHost.exe	99
PID 2856 wrote to memory of 1700	2856	WWAHost.exe	99
PID 2856 wrote to memory of 1700	2856	WWAHost.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Users\Admin\AppData\Local\Temp\c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe
  "C:\Users\Admin\AppData\Local\Temp\c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.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:3972
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5016
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2244
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3044
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2832
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2156
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4176
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2400
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:2856
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/2836-8-0x00000000088D0000-0x00000000089CF000-memory.dmp

Filesize
1020KB

Download
memory/2836-20-0x0000000008E80000-0x0000000008F69000-memory.dmp

Filesize
932KB

Download
memory/2836-18-0x0000000008E80000-0x0000000008F69000-memory.dmp

Filesize
932KB

Download
memory/2836-17-0x0000000008E80000-0x0000000008F69000-memory.dmp

Filesize
932KB

Download
memory/2836-13-0x00000000088D0000-0x00000000089CF000-memory.dmp

Filesize
1020KB

Download
memory/2856-9-0x0000000000460000-0x000000000053C000-memory.dmp

Filesize
880KB

Download
memory/2856-11-0x0000000000460000-0x000000000053C000-memory.dmp

Filesize
880KB

Download
memory/2856-12-0x0000000000A00000-0x0000000000A2F000-memory.dmp

Filesize
188KB

Download
memory/3972-2-0x00000000040F0000-0x00000000042F0000-memory.dmp

Filesize
2.0MB

Download
memory/5016-7-0x0000000001650000-0x0000000001665000-memory.dmp

Filesize
84KB

Download
memory/5016-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5016-4-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/5016-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download