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/1448-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1448-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2040-15-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

inquiry.exesvchost.exesvchost.exe

description	pid	process	target process
PID 1688 set thread context of 1448	1688	inquiry.exe	svchost.exe
PID 1448 set thread context of 1204	1448	svchost.exe	Explorer.EXE
PID 2040 set thread context of 1204	2040	svchost.exe	Explorer.EXE

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

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

svchost.exesvchost.exe

pid	process
1448	svchost.exe
1448	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

inquiry.exesvchost.exesvchost.exe

pid process

1688 inquiry.exe
1448 svchost.exe
1448 svchost.exe
1448 svchost.exe
2040 svchost.exe
2040 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1448 svchost.exe
Token: SeDebugPrivilege 2040 svchost.exe

pid	process
1688	inquiry.exe
1448	svchost.exe
1448	svchost.exe
1448	svchost.exe
2040	svchost.exe
2040	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1448	svchost.exe
Token: SeDebugPrivilege	2040	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

inquiry.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1688 wrote to memory of 1448	1688	inquiry.exe	svchost.exe
PID 1688 wrote to memory of 1448	1688	inquiry.exe	svchost.exe
PID 1688 wrote to memory of 1448	1688	inquiry.exe	svchost.exe
PID 1688 wrote to memory of 1448	1688	inquiry.exe	svchost.exe
PID 1688 wrote to memory of 1448	1688	inquiry.exe	svchost.exe
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	svchost.exe
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	svchost.exe
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	svchost.exe
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	svchost.exe
PID 2040 wrote to memory of 2420	2040	svchost.exe	cmd.exe
PID 2040 wrote to memory of 2420	2040	svchost.exe	cmd.exe
PID 2040 wrote to memory of 2420	2040	svchost.exe	cmd.exe
PID 2040 wrote to memory of 2420	2040	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- 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:1688
- - 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:1448
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2040
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2420

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/1204-12-0x0000000004A90000-0x0000000004BE3000-memory.dmp

Filesize
1.3MB

Download
memory/1204-16-0x0000000004A90000-0x0000000004BE3000-memory.dmp

Filesize
1.3MB

Download
memory/1448-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1448-8-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/1448-11-0x0000000000160000-0x0000000000174000-memory.dmp

Filesize
80KB

Download
memory/1448-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1688-6-0x0000000000D50000-0x0000000001150000-memory.dmp

Filesize
4.0MB

Download
memory/2040-14-0x0000000000680000-0x0000000000688000-memory.dmp

Filesize
32KB

Download
memory/2040-13-0x0000000000680000-0x0000000000688000-memory.dmp

Filesize
32KB

Download
memory/2040-15-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads