formbook | 4bf978ec447793b5945d346db1d2c4f9585cd9314071f13a79bb070577419696

General

Target

inquiry.exe
Size

1.1MB
MD5

bdcaea5a90a95e1ac6e710c7eb59d6e5
SHA1

41ad452e6ab3a2d3ff745b4936623e426a9a882e
SHA256

4bf978ec447793b5945d346db1d2c4f9585cd9314071f13a79bb070577419696
SHA512

48dd28be3df0d5c8c9fd1e8f091c1827d8b3686406550d3f25ef32a9b5bc1da50a5a812c4daa9744adfd6655d8165b0d2ce8dc42b4819cfdb6c1f792bcdfa3aa
SSDEEP

24576:ztb20pkaCqT5TBWgNQ7aKN00yvWi8JXIREMs6A:wVg5tQ7aK6DSlV5

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

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

Processes:

resource	yara_rule
behavioral1/memory/2104-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2104-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2636-15-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

inquiry.exesvchost.exemsdt.exe

description	pid	Process	procid_target
PID 1668 set thread context of 2104	1668	inquiry.exe	31
PID 2104 set thread context of 1160	2104	svchost.exe	20
PID 2636 set thread context of 1160	2636	msdt.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

Processes:

inquiry.exemsdt.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	inquiry.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
2104	svchost.exe
2104	svchost.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe
2636	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

inquiry.exesvchost.exemsdt.exe

pid	Process
1668	inquiry.exe
2104	svchost.exe
2104	svchost.exe
2104	svchost.exe
2636	msdt.exe
2636	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exemsdt.exe

description	pid	Process
Token: SeDebugPrivilege	2104	svchost.exe
Token: SeDebugPrivilege	2636	msdt.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

inquiry.exeExplorer.EXEmsdt.exe

description	pid	Process	procid_target
PID 1668 wrote to memory of 2104	1668	inquiry.exe	31
PID 1668 wrote to memory of 2104	1668	inquiry.exe	31
PID 1668 wrote to memory of 2104	1668	inquiry.exe	31
PID 1668 wrote to memory of 2104	1668	inquiry.exe	31
PID 1668 wrote to memory of 2104	1668	inquiry.exe	31
PID 1160 wrote to memory of 2636	1160	Explorer.EXE	32
PID 1160 wrote to memory of 2636	1160	Explorer.EXE	32
PID 1160 wrote to memory of 2636	1160	Explorer.EXE	32
PID 1160 wrote to memory of 2636	1160	Explorer.EXE	32
PID 2636 wrote to memory of 2864	2636	msdt.exe	33
PID 2636 wrote to memory of 2864	2636	msdt.exe	33
PID 2636 wrote to memory of 2864	2636	msdt.exe	33
PID 2636 wrote to memory of 2864	2636	msdt.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\inquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- 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:2636
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2864

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

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Downloads

memory/1160-12-0x0000000005210000-0x0000000005366000-memory.dmp

Filesize
1.3MB

Download
memory/1160-16-0x0000000005210000-0x0000000005366000-memory.dmp

Filesize
1.3MB

Download
memory/1668-6-0x0000000000D90000-0x0000000001190000-memory.dmp

Filesize
4.0MB

Download
memory/2104-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2104-8-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/2104-11-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/2104-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-13-0x0000000000520000-0x0000000000614000-memory.dmp

Filesize
976KB

Download
memory/2636-14-0x0000000000520000-0x0000000000614000-memory.dmp

Filesize
976KB

Download
memory/2636-15-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads