formbook | c5a0052ac65201d36e99aa9719bb2daaae6d2faf98941a2b4f5c12a5946934ba

General

Target

127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe
Size

1.3MB
MD5

9dba20e8a9b2ba8aaa80da65d85daea4
SHA1

d652d051654c475c11f362104c80fb1a69ecd282
SHA256

c5a0052ac65201d36e99aa9719bb2daaae6d2faf98941a2b4f5c12a5946934ba
SHA512

b78411da91706f35af5d11d149ac0eecc1a7c6637e8c9567512c2cb510c5824e4a6a63b13838f6ad55e87df6a36391295b0f5e9a91982f37c967832ad0721ce4
SSDEEP

24576:vtb20pkaCqT5TBWgNQ7aFokJHs8qKo10IiGgvuP5Kg6A:sVg5tQ7aukJHtqKo10IiJv25

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1960-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1960-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1960-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2108-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exesvchost.exemsdt.exe

description	pid	Process	procid_target
PID 2436 set thread context of 1960	2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe	31
PID 1960 set thread context of 1200	1960	svchost.exe	21
PID 1960 set thread context of 1200	1960	svchost.exe	21
PID 2108 set thread context of 1200	2108	msdt.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

Processes:

127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exemsdt.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

svchost.exemsdt.exe

pid	Process
1960	svchost.exe
1960	svchost.exe
1960	svchost.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe
2108	msdt.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exesvchost.exemsdt.exe

pid	Process
2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe
1960	svchost.exe
1960	svchost.exe
1960	svchost.exe
1960	svchost.exe
2108	msdt.exe
2108	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exemsdt.exe

description	pid	Process
Token: SeDebugPrivilege	1960	svchost.exe
Token: SeDebugPrivilege	2108	msdt.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exeExplorer.EXE

pid	Process
2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe
2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe

pid	Process
2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe
2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exeExplorer.EXEmsdt.exe

description	pid	Process	procid_target
PID 2436 wrote to memory of 1960	2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe	31
PID 2436 wrote to memory of 1960	2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe	31
PID 2436 wrote to memory of 1960	2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe	31
PID 2436 wrote to memory of 1960	2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe	31
PID 2436 wrote to memory of 1960	2436	127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe	31
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	32
PID 2108 wrote to memory of 2804	2108	msdt.exe	33
PID 2108 wrote to memory of 2804	2108	msdt.exe	33
PID 2108 wrote to memory of 2804	2108	msdt.exe	33
PID 2108 wrote to memory of 2804	2108	msdt.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe
  "C:\Users\Admin\AppData\Local\Temp\127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\127.11.24_LicenciaParacancelacin-A1pgina-00020.docx.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1960
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:2108
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2804

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/1200-17-0x00000000069D0000-0x0000000006B29000-memory.dmp

Filesize
1.3MB

Download
memory/1200-30-0x0000000006E40000-0x0000000006EFA000-memory.dmp

Filesize
744KB

Download
memory/1200-28-0x0000000006E40000-0x0000000006EFA000-memory.dmp

Filesize
744KB

Download
memory/1200-27-0x0000000006E40000-0x0000000006EFA000-memory.dmp

Filesize
744KB

Download
memory/1200-12-0x0000000003E30000-0x0000000003F30000-memory.dmp

Filesize
1024KB

Download
memory/1200-22-0x00000000072B0000-0x00000000073D9000-memory.dmp

Filesize
1.2MB

Download
memory/1200-13-0x00000000069D0000-0x0000000006B29000-memory.dmp

Filesize
1.3MB

Download
memory/1200-18-0x00000000072B0000-0x00000000073D9000-memory.dmp

Filesize
1.2MB

Download
memory/1960-8-0x0000000000B50000-0x0000000000E53000-memory.dmp

Filesize
3.0MB

Download
memory/1960-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1960-11-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1960-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1960-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1960-16-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/2108-19-0x00000000008A0000-0x0000000000994000-memory.dmp

Filesize
976KB

Download
memory/2108-20-0x00000000008A0000-0x0000000000994000-memory.dmp

Filesize
976KB

Download
memory/2108-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2436-6-0x0000000000C50000-0x0000000001050000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads