formbook | bb8f23c39f4b98eb90c4686efbf77cae0453f1a0a7d51dc46087f1656e0a0e03

General

Target

Bank slip.exe
Size

813KB
MD5

cd9e659d35f3995b5ab1760c10800ae2
SHA1

3376e44af32ceeac22323d41925f84eade837c81
SHA256

1afa322c6a3e0964c704f0d7aea78fe5d506c4bbff033f26f0fe6abc8f88c9cd
SHA512

db1158a6aaf1fe8d00f0fa9b3a4aeddf60b56cbc241e903f5cc7f74f6c311691eeb2e704c6297aefc51bf317fd96acab3ac927bb954a7ab4fbd836a36cd303d2
SSDEEP

12288:+t2iNtXWgGIJeQAIpel315kiev0r4Cu+9It6vcmLXfXS/XnLFZOqrM2zvIAnF:+t16gOmelFZuUkLXnWqo

Score

10^/10

formbook m25s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m25s

Decoy

araghospitality.net

cleans.xyz

olnacasinotcs14.top

pringhillinfos.net

erkakasrumah.online

orean-course-289113002.zone

yeloma-treatment-82106.bond

76iw543gw.autos

nline-shopping-56055.bond

enetik.xyz

ax-th-6011838.fyi

itygatehousing.app

23zy998jk.bond

pslag-hal-2.online

uykoii.shop

9supjub3p.buzz

tmgl.bond

actus-catering-creations.net

ntercashspace24.homes

ierra777.vip

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/2044-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2044-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2380-20-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2588	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2044	2712	Bank slip.exe	31
PID 2044 set thread context of 1204	2044	Bank slip.exe	21
PID 2380 set thread context of 1204	2380	systray.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	Bank slip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2712	Bank slip.exe
2712	Bank slip.exe
2044	Bank slip.exe
2044	Bank slip.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe
2380	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2044	Bank slip.exe
2044	Bank slip.exe
2044	Bank slip.exe
2380	systray.exe
2380	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	Bank slip.exe
Token: SeDebugPrivilege	2044	Bank slip.exe
Token: SeDebugPrivilege	2380	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2044	2712	Bank slip.exe	31
PID 2712 wrote to memory of 2044	2712	Bank slip.exe	31
PID 2712 wrote to memory of 2044	2712	Bank slip.exe	31
PID 2712 wrote to memory of 2044	2712	Bank slip.exe	31
PID 2712 wrote to memory of 2044	2712	Bank slip.exe	31
PID 2712 wrote to memory of 2044	2712	Bank slip.exe	31
PID 2712 wrote to memory of 2044	2712	Bank slip.exe	31
PID 1204 wrote to memory of 2380	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2380	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2380	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2380	1204	Explorer.EXE	32
PID 2380 wrote to memory of 2588	2380	systray.exe	33
PID 2380 wrote to memory of 2588	2380	systray.exe	33
PID 2380 wrote to memory of 2588	2380	systray.exe	33
PID 2380 wrote to memory of 2588	2380	systray.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
  "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2044
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2380
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2588

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/1204-17-0x0000000004FF0000-0x000000000510B000-memory.dmp

Filesize
1.1MB

Download
memory/1204-21-0x0000000004FF0000-0x000000000510B000-memory.dmp

Filesize
1.1MB

Download
memory/2044-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2044-13-0x0000000000AD0000-0x0000000000DD3000-memory.dmp

Filesize
3.0MB

Download
memory/2044-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2044-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2044-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2044-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2044-16-0x0000000000170000-0x0000000000185000-memory.dmp

Filesize
84KB

Download
memory/2380-20-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2380-19-0x0000000000D80000-0x0000000000D85000-memory.dmp

Filesize
20KB

Download
memory/2380-18-0x0000000000D80000-0x0000000000D85000-memory.dmp

Filesize
20KB

Download
memory/2712-12-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-3-0x0000000000620000-0x000000000063E000-memory.dmp

Filesize
120KB

Download
memory/2712-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2712-2-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-6-0x0000000000350000-0x00000000003C6000-memory.dmp

Filesize
472KB

Download
memory/2712-5-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-4-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2712-1-0x0000000000280000-0x0000000000350000-memory.dmp

Filesize
832KB

Download

Analysis

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