formbook | a95b0c1b827bdd6ee8bd88cf53606903570c96bca33fe9215ab64b09d1641533

General

Target

Wrong Bank Details.exe
Size

521KB
MD5

717451feb14c98b89bf070951f904329
SHA1

c3d8ebb50c519a06195706aaa7e6370f30582088
SHA256

a95b0c1b827bdd6ee8bd88cf53606903570c96bca33fe9215ab64b09d1641533
SHA512

5b250fbcae3a7092a1d2920a90afdbb910f86052e6bd1736905cc1ed4a34236535d6d83b597babcad01e99b14069c5fae66f467cd7cf5b663534c536fd7ccf52
SSDEEP

12288:t7JYXh0JJro3lFqXjumztJRavD7R5GAYG2ucIw:Rih0JJrovcTGaGV

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2256-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2256-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2876-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2604	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1088 set thread context of 2256	1088	Wrong Bank Details.exe	29
PID 2256 set thread context of 1240	2256	Wrong Bank Details.exe	20
PID 2876 set thread context of 1240	2876	explorer.exe	20

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	Wrong Bank Details.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1088	Wrong Bank Details.exe
1088	Wrong Bank Details.exe
2256	Wrong Bank Details.exe
2256	Wrong Bank Details.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe
2876	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2256	Wrong Bank Details.exe
2256	Wrong Bank Details.exe
2256	Wrong Bank Details.exe
2876	explorer.exe
2876	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1088	Wrong Bank Details.exe
Token: SeDebugPrivilege	2256	Wrong Bank Details.exe
Token: SeDebugPrivilege	2876	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 2256	1088	Wrong Bank Details.exe	29
PID 1088 wrote to memory of 2256	1088	Wrong Bank Details.exe	29
PID 1088 wrote to memory of 2256	1088	Wrong Bank Details.exe	29
PID 1088 wrote to memory of 2256	1088	Wrong Bank Details.exe	29
PID 1088 wrote to memory of 2256	1088	Wrong Bank Details.exe	29
PID 1088 wrote to memory of 2256	1088	Wrong Bank Details.exe	29
PID 1088 wrote to memory of 2256	1088	Wrong Bank Details.exe	29
PID 1240 wrote to memory of 2876	1240	Explorer.EXE	30
PID 1240 wrote to memory of 2876	1240	Explorer.EXE	30
PID 1240 wrote to memory of 2876	1240	Explorer.EXE	30
PID 1240 wrote to memory of 2876	1240	Explorer.EXE	30
PID 2876 wrote to memory of 2604	2876	explorer.exe	31
PID 2876 wrote to memory of 2604	2876	explorer.exe	31
PID 2876 wrote to memory of 2604	2876	explorer.exe	31
PID 2876 wrote to memory of 2604	2876	explorer.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Users\Admin\AppData\Local\Temp\Wrong Bank Details.exe
  "C:\Users\Admin\AppData\Local\Temp\Wrong Bank Details.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Users\Admin\AppData\Local\Temp\Wrong Bank Details.exe
    "C:\Users\Admin\AppData\Local\Temp\Wrong Bank Details.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2256
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2876
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Wrong Bank Details.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2604

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/1088-15-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1088-1-0x0000000000A20000-0x0000000000AA8000-memory.dmp

Filesize
544KB

Download
memory/1088-2-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1088-3-0x00000000003A0000-0x00000000003E4000-memory.dmp

Filesize
272KB

Download
memory/1088-4-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1088-5-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1088-6-0x00000000003F0000-0x000000000040A000-memory.dmp

Filesize
104KB

Download
memory/1088-7-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1088-0-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1240-25-0x0000000006AE0000-0x0000000006C30000-memory.dmp

Filesize
1.3MB

Download
memory/1240-21-0x0000000006AE0000-0x0000000006C30000-memory.dmp

Filesize
1.3MB

Download
memory/1240-20-0x0000000003AF0000-0x0000000003CF0000-memory.dmp

Filesize
2.0MB

Download
memory/2256-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-16-0x0000000000AB0000-0x0000000000DB3000-memory.dmp

Filesize
3.0MB

Download
memory/2256-19-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/2256-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2876-22-0x0000000000EF0000-0x0000000001171000-memory.dmp

Filesize
2.5MB

Download
memory/2876-23-0x0000000000EF0000-0x0000000001171000-memory.dmp

Filesize
2.5MB

Download
memory/2876-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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