formbook | f60f8e29acfcc87577de704d3fd0405f91244f6aedec9fdb7be785c7b5d29751

General

Target

F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
Size

1.1MB
MD5

c9cece47f081ecb047ea64aea3b3c5c5
SHA1

03406e0d1340cd41734b20b158a9feac7dd14848
SHA256

f60f8e29acfcc87577de704d3fd0405f91244f6aedec9fdb7be785c7b5d29751
SHA512

e7a9deadcd2437285c51c791eabf2d2d683470acfa50d167c12306486b2a997e99d718bf39c2163c983256e2874030fe83afae48c284e9c7891c7861d0375630
SSDEEP

24576:8AHnh+eWsN3skA4RV1Hom2KXMmHafFxZyvgVaL5:bh+ZkldoPK8YafF7yD

Score

10^/10

formbook nu28 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

nu28

Decoy

papage.com

dohezar.com

fegongroupserver.site

cloudhare.biz

rlxiom.xyz

emmaandrobertswedding.com

fengchenfangfu.com

jimsbestk.com

5004926.com

87558qq.ren

verify-coinbase-wallet.com

mambaka.com

foxyfinds4u.com

wearepawparents.com

pocho.shop

yoursgxmarketing.com

copywritemoney.com

armortechconsulting.com

irnt0ken-al.com

umyowallstreet.site

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

resource	yara_rule
behavioral1/memory/2380-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2380-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2000-20-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2380	2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	31
PID 2380 set thread context of 1224	2380	svchost.exe	21
PID 2000 set thread context of 1224	2000	cmmon32.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	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2380	svchost.exe
2380	svchost.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
2380	svchost.exe
2380	svchost.exe
2380	svchost.exe
2000	cmmon32.exe
2000	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	svchost.exe
Token: SeDebugPrivilege	2000	cmmon32.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2380	2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	31
PID 2112 wrote to memory of 2380	2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	31
PID 2112 wrote to memory of 2380	2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	31
PID 2112 wrote to memory of 2380	2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	31
PID 2112 wrote to memory of 2380	2112	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	31
PID 1224 wrote to memory of 2000	1224	Explorer.EXE	32
PID 1224 wrote to memory of 2000	1224	Explorer.EXE	32
PID 1224 wrote to memory of 2000	1224	Explorer.EXE	32
PID 1224 wrote to memory of 2000	1224	Explorer.EXE	32
PID 2000 wrote to memory of 2980	2000	cmmon32.exe	33
PID 2000 wrote to memory of 2980	2000	cmmon32.exe	33
PID 2000 wrote to memory of 2980	2000	cmmon32.exe	33
PID 2000 wrote to memory of 2980	2000	cmmon32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
  "C:\Users\Admin\AppData\Local\Temp\F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.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:2112
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2380
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2000
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2980

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/1224-21-0x0000000006E60000-0x0000000006FEF000-memory.dmp

Filesize
1.6MB

Download
memory/1224-16-0x0000000006E60000-0x0000000006FEF000-memory.dmp

Filesize
1.6MB

Download
memory/1224-27-0x0000000005030000-0x0000000005130000-memory.dmp

Filesize
1024KB

Download
memory/1224-28-0x0000000005030000-0x0000000005130000-memory.dmp

Filesize
1024KB

Download
memory/1224-30-0x0000000005030000-0x0000000005130000-memory.dmp

Filesize
1024KB

Download
memory/2000-19-0x0000000000880000-0x000000000088D000-memory.dmp

Filesize
52KB

Download
memory/2000-17-0x0000000000880000-0x000000000088D000-memory.dmp

Filesize
52KB

Download
memory/2000-20-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2112-10-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download
memory/2380-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2380-12-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/2380-15-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2380-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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