formbook | cbe1ce2523037019b0ad6710496f03b6b147cbfa833875e2b926d7126a72d66a

General

Target

Purchase Order KEI_24-25_2014_pdf.exe
Size

636KB
MD5

db540008406cdfda78d7376355137f07
SHA1

67ba297c80a80f17ec891c0429b59f30527724d9
SHA256

57faa8a932b14577e6059332889866501a93e2b9552dd81dcb79a047254be749
SHA512

4fac3ffd2d003f51bb9cc3c97c65486385c54baef4ddb88e6b3db6713f61d86b25879d119cc3f6dca675429bb8b105e7cad07477edc33edc35eb74a01208f79c
SSDEEP

12288:zT4/i2fmLZL41rjVZL3ANOZNMMizbXrK47MColgzsDk:zT4q2fmLZM53AQZ/inblwBgI

Score

10^/10

formbook btrd discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

btrd

Decoy

toulouse.gold

launchyouglobal.com

margarita-services.com

dasnail.club

casa-hilo.com

hardscapesofflorida.com

thepositivitypulse.com

kkmyanev.cfd

love6ace22.top

castorcruise.com

chch6.com

h59f07jy.cfd

saatvikteerthyatra.com

fxsecuretrading-option.com

mostbet-k1o.click

36-m.beauty

ko-or-a-news.com

eurekatextile.com

gynlkj.com

deepsouthcraftsman.com

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
behavioral2/memory/64-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/64-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1476-24-0x00000000001A0000-0x00000000001CF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 64	2084	Purchase Order KEI_24-25_2014_pdf.exe	91
PID 64 set thread context of 3580	64	AddInProcess32.exe	56
PID 1476 set thread context of 3580	1476	help.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	Purchase Order KEI_24-25_2014_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
2084	Purchase Order KEI_24-25_2014_pdf.exe
2084	Purchase Order KEI_24-25_2014_pdf.exe
2084	Purchase Order KEI_24-25_2014_pdf.exe
2084	Purchase Order KEI_24-25_2014_pdf.exe
2084	Purchase Order KEI_24-25_2014_pdf.exe
2084	Purchase Order KEI_24-25_2014_pdf.exe
2084	Purchase Order KEI_24-25_2014_pdf.exe
64	AddInProcess32.exe
64	AddInProcess32.exe
64	AddInProcess32.exe
64	AddInProcess32.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe
1476	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
64	AddInProcess32.exe
64	AddInProcess32.exe
64	AddInProcess32.exe
1476	help.exe
1476	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	Purchase Order KEI_24-25_2014_pdf.exe
Token: SeDebugPrivilege	64	AddInProcess32.exe
Token: SeDebugPrivilege	1476	help.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3064	2084	Purchase Order KEI_24-25_2014_pdf.exe	87
PID 2084 wrote to memory of 3064	2084	Purchase Order KEI_24-25_2014_pdf.exe	87
PID 2084 wrote to memory of 3064	2084	Purchase Order KEI_24-25_2014_pdf.exe	87
PID 2084 wrote to memory of 3064	2084	Purchase Order KEI_24-25_2014_pdf.exe	87
PID 2084 wrote to memory of 3064	2084	Purchase Order KEI_24-25_2014_pdf.exe	87
PID 2084 wrote to memory of 3064	2084	Purchase Order KEI_24-25_2014_pdf.exe	87
PID 2084 wrote to memory of 1756	2084	Purchase Order KEI_24-25_2014_pdf.exe	90
PID 2084 wrote to memory of 1756	2084	Purchase Order KEI_24-25_2014_pdf.exe	90
PID 2084 wrote to memory of 1756	2084	Purchase Order KEI_24-25_2014_pdf.exe	90
PID 2084 wrote to memory of 1756	2084	Purchase Order KEI_24-25_2014_pdf.exe	90
PID 2084 wrote to memory of 1756	2084	Purchase Order KEI_24-25_2014_pdf.exe	90
PID 2084 wrote to memory of 1756	2084	Purchase Order KEI_24-25_2014_pdf.exe	90
PID 2084 wrote to memory of 64	2084	Purchase Order KEI_24-25_2014_pdf.exe	91
PID 2084 wrote to memory of 64	2084	Purchase Order KEI_24-25_2014_pdf.exe	91
PID 2084 wrote to memory of 64	2084	Purchase Order KEI_24-25_2014_pdf.exe	91
PID 2084 wrote to memory of 64	2084	Purchase Order KEI_24-25_2014_pdf.exe	91
PID 2084 wrote to memory of 64	2084	Purchase Order KEI_24-25_2014_pdf.exe	91
PID 2084 wrote to memory of 64	2084	Purchase Order KEI_24-25_2014_pdf.exe	91
PID 3580 wrote to memory of 1476	3580	Explorer.EXE	94
PID 3580 wrote to memory of 1476	3580	Explorer.EXE	94
PID 3580 wrote to memory of 1476	3580	Explorer.EXE	94
PID 1476 wrote to memory of 1408	1476	help.exe	95
PID 1476 wrote to memory of 1408	1476	help.exe	95
PID 1476 wrote to memory of 1408	1476	help.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\Purchase Order KEI_24-25_2014_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order KEI_24-25_2014_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:3064
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:1756
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:64
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:1476
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1408

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

Loading Replay Monitor...

Downloads

memory/64-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/64-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/64-20-0x0000000000A70000-0x0000000000A84000-memory.dmp

Filesize
80KB

Download
memory/64-17-0x0000000001040000-0x000000000138A000-memory.dmp

Filesize
3.3MB

Download
memory/1476-24-0x00000000001A0000-0x00000000001CF000-memory.dmp

Filesize
188KB

Download
memory/1476-22-0x0000000000D00000-0x0000000000D07000-memory.dmp

Filesize
28KB

Download
memory/1476-23-0x0000000000D00000-0x0000000000D07000-memory.dmp

Filesize
28KB

Download
memory/2084-6-0x0000000005D20000-0x0000000005DB2000-memory.dmp

Filesize
584KB

Download
memory/2084-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2084-9-0x00000000079E0000-0x00000000079FA000-memory.dmp

Filesize
104KB

Download
memory/2084-10-0x000000000A010000-0x000000000A016000-memory.dmp

Filesize
24KB

Download
memory/2084-11-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2084-12-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2084-13-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2084-7-0x0000000005EC0000-0x0000000005ECA000-memory.dmp

Filesize
40KB

Download
memory/2084-16-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2084-8-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2084-5-0x00000000060B0000-0x0000000006654000-memory.dmp

Filesize
5.6MB

Download
memory/2084-4-0x00000000056A0000-0x00000000056C6000-memory.dmp

Filesize
152KB

Download
memory/2084-1-0x0000000000090000-0x0000000000136000-memory.dmp

Filesize
664KB

Download
memory/2084-3-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2084-2-0x0000000005720000-0x00000000057BC000-memory.dmp

Filesize
624KB

Download
memory/3580-21-0x00000000084A0000-0x00000000085EB000-memory.dmp

Filesize
1.3MB

Download
memory/3580-25-0x00000000084A0000-0x00000000085EB000-memory.dmp

Filesize
1.3MB

Download
memory/3580-29-0x0000000002930000-0x00000000029DF000-memory.dmp

Filesize
700KB

Download
memory/3580-30-0x0000000002930000-0x00000000029DF000-memory.dmp

Filesize
700KB

Download
memory/3580-32-0x0000000002930000-0x00000000029DF000-memory.dmp

Filesize
700KB

Download

Analysis

Sharing