formbook | 2bedf155eaa7e02bbcd0ebbc1a0228e8bdf7cbf2b924776929c05288f5164a2d

General

Target

Payment.exe
Size

714KB
MD5

1eca8e2ba8d4939400ef3b6f315a68f2
SHA1

6729aea498f4d5d67bd78776a309cd3c7c06e3cb
SHA256

2a899ee00e6f2b09c002a3dc271e3ec7d15a7c98b8a3d9500f96dfd7fe941f4a
SHA512

c826420eeaa3cb9726de4a20ff92b8d66b13b9edfd625e1955d9f5d44c86ba2987686789e99dc42c4f8ec734090259e9c7c4582fba05e7d8b02f6bd899718159
SSDEEP

12288:mY5Qvy6uSajv6QAcFahFRavD7R5GMYG2ucItiyE:t5QvTuSar6QgjGqGV

Score

10^/10

formbook na10 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na10

Decoy

tetheus.com

ventlikeyoumeanit.com

tintbliss.com

rinabet357.com

sapphireboutiqueusa.com

abc8bet6.com

xzcn3i7jb13cqei.buzz

pinktravelsnagpur.com

bt365038.com

rtpbossujang303.shop

osthirmaker.com

thelonelyteacup.com

rlc2019.com

couverture-charpente.com

productivagc.com

defendercarcare.com

abcentixdigital.com

petco.ltd

oypivh.top

micro.guru

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1880-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1880-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1880-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2348-26-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2652	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 1880	2408	Payment.exe	31
PID 1880 set thread context of 1228	1880	Payment.exe	21
PID 1880 set thread context of 1228	1880	Payment.exe	21
PID 2348 set thread context of 1228	2348	cmmon32.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	Payment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment.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 24 IoCs

pid	Process
2408	Payment.exe
2408	Payment.exe
1880	Payment.exe
1880	Payment.exe
1880	Payment.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1880	Payment.exe
1880	Payment.exe
1880	Payment.exe
1880	Payment.exe
2348	cmmon32.exe
2348	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	Payment.exe
Token: SeDebugPrivilege	1880	Payment.exe
Token: SeDebugPrivilege	2348	cmmon32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 1880	2408	Payment.exe	31
PID 2408 wrote to memory of 1880	2408	Payment.exe	31
PID 2408 wrote to memory of 1880	2408	Payment.exe	31
PID 2408 wrote to memory of 1880	2408	Payment.exe	31
PID 2408 wrote to memory of 1880	2408	Payment.exe	31
PID 2408 wrote to memory of 1880	2408	Payment.exe	31
PID 2408 wrote to memory of 1880	2408	Payment.exe	31
PID 1880 wrote to memory of 2348	1880	Payment.exe	44
PID 1880 wrote to memory of 2348	1880	Payment.exe	44
PID 1880 wrote to memory of 2348	1880	Payment.exe	44
PID 1880 wrote to memory of 2348	1880	Payment.exe	44
PID 2348 wrote to memory of 2652	2348	cmmon32.exe	45
PID 2348 wrote to memory of 2652	2348	cmmon32.exe	45
PID 2348 wrote to memory of 2652	2348	cmmon32.exe	45
PID 2348 wrote to memory of 2652	2348	cmmon32.exe	45

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1228
- C:\Users\Admin\AppData\Local\Temp\Payment.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Users\Admin\AppData\Local\Temp\Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment.exe"
    3⤵
    - 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:1880
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2040
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2772
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2780
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2656
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2664
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1984
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2612
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2620
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2628
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2660
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2680
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2728
  - - C:\Windows\SysWOW64\cmmon32.exe
      "C:\Windows\SysWOW64\cmmon32.exe"
      4⤵
      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:2348
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\Payment.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2652

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/1228-18-0x0000000006600000-0x0000000006734000-memory.dmp

Filesize
1.2MB

Download
memory/1228-28-0x00000000046C0000-0x00000000047C5000-memory.dmp

Filesize
1.0MB

Download
memory/1228-23-0x00000000046C0000-0x00000000047C5000-memory.dmp

Filesize
1.0MB

Download
memory/1228-20-0x0000000006600000-0x0000000006734000-memory.dmp

Filesize
1.2MB

Download
memory/1880-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1880-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1880-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1880-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1880-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1880-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1880-14-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/1880-17-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/1880-22-0x0000000000450000-0x0000000000464000-memory.dmp

Filesize
80KB

Download
memory/2348-26-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2348-24-0x0000000000E50000-0x0000000000E5D000-memory.dmp

Filesize
52KB

Download
memory/2348-25-0x0000000000E50000-0x0000000000E5D000-memory.dmp

Filesize
52KB

Download
memory/2408-11-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2408-3-0x00000000006C0000-0x0000000000704000-memory.dmp

Filesize
272KB

Download
memory/2408-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2408-4-0x0000000000600000-0x000000000061A000-memory.dmp

Filesize
104KB

Download
memory/2408-13-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2408-5-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2408-10-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2408-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2408-1-0x0000000000050000-0x0000000000108000-memory.dmp

Filesize
736KB

Download

Analysis

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