formbook | f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90

General

Target

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
Size

1.0MB
MD5

46ae894f5929d9d18df1c3ba2f4e4d60
SHA1

c92fdc315100ac1c25e44fd289cbc8cbf7f13b7e
SHA256

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90
SHA512

2689afe052aa3bdda590ef01eda54d085ab43b22103ec22d52bad5ef1e976de2a6f2b72866671b07788113708fb6bd1381d411e6f69f93638deb02939813a02e
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL08d4CPCXdT5Jtu3NkUicH2WzsagLzg:ffmMv6Ckr7Mny5QLDCjqJZGvzDEVhXQG

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
behavioral1/memory/2192-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2192-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1692-12-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exesvchost.exechkdsk.exe

description	pid	Process	procid_target
PID 764 set thread context of 2192	764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	30
PID 2192 set thread context of 1208	2192	svchost.exe	21
PID 1692 set thread context of 1208	1692	chkdsk.exe	21

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:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exechkdsk.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chkdsk.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

svchost.exechkdsk.exe

pid	Process
2192	svchost.exe
2192	svchost.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe
1692	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exesvchost.exechkdsk.exe

pid	Process
764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
2192	svchost.exe
2192	svchost.exe
2192	svchost.exe
1692	chkdsk.exe
1692	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exechkdsk.exe

description	pid	Process
Token: SeDebugPrivilege	2192	svchost.exe
Token: SeDebugPrivilege	1692	chkdsk.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exeExplorer.EXE

pid	Process
764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe

pid	Process
764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exeExplorer.EXEchkdsk.exe

description	pid	Process	procid_target
PID 764 wrote to memory of 2192	764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	30
PID 764 wrote to memory of 2192	764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	30
PID 764 wrote to memory of 2192	764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	30
PID 764 wrote to memory of 2192	764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	30
PID 764 wrote to memory of 2192	764	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	30
PID 1208 wrote to memory of 1692	1208	Explorer.EXE	31
PID 1208 wrote to memory of 1692	1208	Explorer.EXE	31
PID 1208 wrote to memory of 1692	1208	Explorer.EXE	31
PID 1208 wrote to memory of 1692	1208	Explorer.EXE	31
PID 1692 wrote to memory of 1080	1692	chkdsk.exe	32
PID 1692 wrote to memory of 1080	1692	chkdsk.exe	32
PID 1692 wrote to memory of 1080	1692	chkdsk.exe	32
PID 1692 wrote to memory of 1080	1692	chkdsk.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
  "C:\Users\Admin\AppData\Local\Temp\f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.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:764
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2192
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/764-2-0x0000000002EA0000-0x00000000030A0000-memory.dmp

Filesize
2.0MB

Download
memory/1208-22-0x0000000005170000-0x0000000005254000-memory.dmp

Filesize
912KB

Download
memory/1208-20-0x0000000005170000-0x0000000005254000-memory.dmp

Filesize
912KB

Download
memory/1208-19-0x0000000005170000-0x0000000005254000-memory.dmp

Filesize
912KB

Download
memory/1208-13-0x0000000006B70000-0x0000000006CC1000-memory.dmp

Filesize
1.3MB

Download
memory/1208-7-0x0000000003A80000-0x0000000003B80000-memory.dmp

Filesize
1024KB

Download
memory/1208-9-0x0000000006B70000-0x0000000006CC1000-memory.dmp

Filesize
1.3MB

Download
memory/1692-12-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1692-11-0x0000000000B50000-0x0000000000B57000-memory.dmp

Filesize
28KB

Download
memory/1692-10-0x0000000000B50000-0x0000000000B57000-memory.dmp

Filesize
28KB

Download
memory/2192-8-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/2192-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2192-4-0x0000000000B30000-0x0000000000E33000-memory.dmp

Filesize
3.0MB

Download
memory/2192-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads