formbook | a95b0c1b827bdd6ee8bd88cf53606903570c96bca33fe9215ab64b09d1641533

General

Target

WrongBankDetails.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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2712-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2712-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2712-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2732-26-0x0000000000070000-0x000000000009F000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2696	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2712	2112	WrongBankDetails.exe	31
PID 2712 set thread context of 1244	2712	WrongBankDetails.exe	21
PID 2712 set thread context of 1244	2712	WrongBankDetails.exe	21
PID 2732 set thread context of 1244	2732	wscript.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	WrongBankDetails.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2112	WrongBankDetails.exe
2112	WrongBankDetails.exe
2712	WrongBankDetails.exe
2712	WrongBankDetails.exe
2712	WrongBankDetails.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe
2732	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2712	WrongBankDetails.exe
2712	WrongBankDetails.exe
2712	WrongBankDetails.exe
2712	WrongBankDetails.exe
2732	wscript.exe
2732	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	WrongBankDetails.exe
Token: SeDebugPrivilege	2712	WrongBankDetails.exe
Token: SeDebugPrivilege	2732	wscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2712	2112	WrongBankDetails.exe	31
PID 2112 wrote to memory of 2712	2112	WrongBankDetails.exe	31
PID 2112 wrote to memory of 2712	2112	WrongBankDetails.exe	31
PID 2112 wrote to memory of 2712	2112	WrongBankDetails.exe	31
PID 2112 wrote to memory of 2712	2112	WrongBankDetails.exe	31
PID 2112 wrote to memory of 2712	2112	WrongBankDetails.exe	31
PID 2112 wrote to memory of 2712	2112	WrongBankDetails.exe	31
PID 1244 wrote to memory of 2732	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2732	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2732	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2732	1244	Explorer.EXE	32
PID 2732 wrote to memory of 2696	2732	wscript.exe	33
PID 2732 wrote to memory of 2696	2732	wscript.exe	33
PID 2732 wrote to memory of 2696	2732	wscript.exe	33
PID 2732 wrote to memory of 2696	2732	wscript.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\WrongBankDetails.exe
  "C:\Users\Admin\AppData\Local\Temp\WrongBankDetails.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Users\Admin\AppData\Local\Temp\WrongBankDetails.exe
    "C:\Users\Admin\AppData\Local\Temp\WrongBankDetails.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2712
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:2732
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\WrongBankDetails.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2696

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/1244-18-0x0000000006D20000-0x0000000006E5E000-memory.dmp

Filesize
1.2MB

Download
memory/1244-22-0x0000000007460000-0x00000000075E8000-memory.dmp

Filesize
1.5MB

Download
memory/1244-23-0x0000000006D20000-0x0000000006E5E000-memory.dmp

Filesize
1.2MB

Download
memory/1244-27-0x0000000007460000-0x00000000075E8000-memory.dmp

Filesize
1.5MB

Download
memory/2112-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/2112-4-0x00000000009C0000-0x00000000009DA000-memory.dmp

Filesize
104KB

Download
memory/2112-3-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-2-0x00000000008C0000-0x0000000000904000-memory.dmp

Filesize
272KB

Download
memory/2112-10-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2112-11-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-1-0x0000000000E60000-0x0000000000EE8000-memory.dmp

Filesize
544KB

Download
memory/2112-13-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-17-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/2712-14-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/2712-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-21-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/2712-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-25-0x00000000006F0000-0x0000000000716000-memory.dmp

Filesize
152KB

Download
memory/2732-24-0x00000000006F0000-0x0000000000716000-memory.dmp

Filesize
152KB

Download
memory/2732-26-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download

Analysis

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