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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3684-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3684-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3684-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4508-29-0x00000000006C0000-0x00000000006EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2404 set thread context of 3684	2404	Wrong Bank Details.exe	91
PID 3684 set thread context of 3448	3684	Wrong Bank Details.exe	56
PID 3684 set thread context of 3448	3684	Wrong Bank Details.exe	56
PID 4508 set thread context of 3448	4508	ipconfig.exe	56

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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4508	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2404	Wrong Bank Details.exe
2404	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe
4508	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
3684	Wrong Bank Details.exe
4508	ipconfig.exe
4508	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	Wrong Bank Details.exe
Token: SeDebugPrivilege	3684	Wrong Bank Details.exe
Token: SeDebugPrivilege	4508	ipconfig.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3448	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 3684	2404	Wrong Bank Details.exe	91
PID 2404 wrote to memory of 3684	2404	Wrong Bank Details.exe	91
PID 2404 wrote to memory of 3684	2404	Wrong Bank Details.exe	91
PID 2404 wrote to memory of 3684	2404	Wrong Bank Details.exe	91
PID 2404 wrote to memory of 3684	2404	Wrong Bank Details.exe	91
PID 2404 wrote to memory of 3684	2404	Wrong Bank Details.exe	91
PID 3448 wrote to memory of 4508	3448	Explorer.EXE	97
PID 3448 wrote to memory of 4508	3448	Explorer.EXE	97
PID 3448 wrote to memory of 4508	3448	Explorer.EXE	97
PID 4508 wrote to memory of 828	4508	ipconfig.exe	98
PID 4508 wrote to memory of 828	4508	ipconfig.exe	98
PID 4508 wrote to memory of 828	4508	ipconfig.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3448
- 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:2404
- - 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:3684
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3864
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Wrong Bank Details.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/2404-10-0x0000000006870000-0x0000000006876000-memory.dmp

Filesize
24KB

Download
memory/2404-2-0x0000000004C30000-0x0000000004CCC000-memory.dmp

Filesize
624KB

Download
memory/2404-11-0x000000007511E000-0x000000007511F000-memory.dmp

Filesize
4KB

Download
memory/2404-4-0x0000000004DE0000-0x0000000004E72000-memory.dmp

Filesize
584KB

Download
memory/2404-3-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/2404-6-0x0000000004BC0000-0x0000000004C04000-memory.dmp

Filesize
272KB

Download
memory/2404-5-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2404-7-0x0000000004D50000-0x0000000004D5A000-memory.dmp

Filesize
40KB

Download
memory/2404-12-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2404-9-0x0000000006810000-0x000000000682A000-memory.dmp

Filesize
104KB

Download
memory/2404-16-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2404-1-0x0000000000B40000-0x0000000000BC8000-memory.dmp

Filesize
544KB

Download
memory/2404-8-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2404-13-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2404-0-0x000000007511E000-0x000000007511F000-memory.dmp

Filesize
4KB

Download
memory/3448-26-0x0000000007DB0000-0x0000000007F4C000-memory.dmp

Filesize
1.6MB

Download
memory/3448-36-0x00000000082D0000-0x000000000839B000-memory.dmp

Filesize
812KB

Download
memory/3448-35-0x00000000082D0000-0x000000000839B000-memory.dmp

Filesize
812KB

Download
memory/3448-33-0x00000000082D0000-0x000000000839B000-memory.dmp

Filesize
812KB

Download
memory/3448-21-0x0000000007DB0000-0x0000000007F4C000-memory.dmp

Filesize
1.6MB

Download
memory/3448-30-0x00000000028B0000-0x00000000029A2000-memory.dmp

Filesize
968KB

Download
memory/3448-25-0x00000000028B0000-0x00000000029A2000-memory.dmp

Filesize
968KB

Download
memory/3684-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3684-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3684-24-0x0000000003400000-0x0000000003414000-memory.dmp

Filesize
80KB

Download
memory/3684-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3684-20-0x0000000001AD0000-0x0000000001AE4000-memory.dmp

Filesize
80KB

Download
memory/3684-17-0x00000000015E0000-0x000000000192A000-memory.dmp

Filesize
3.3MB

Download
memory/4508-27-0x0000000000770000-0x000000000077B000-memory.dmp

Filesize
44KB

Download
memory/4508-28-0x0000000000770000-0x000000000077B000-memory.dmp

Filesize
44KB

Download
memory/4508-29-0x00000000006C0000-0x00000000006EF000-memory.dmp

Filesize
188KB

Download

Analysis

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