formbook | 70ec27a0cb26c73b7dfe3d665a87234c55864972da956c4aca69393efc74c765

Analysis

max time kernel
147s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 07:06

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General

Target

MalwareBazaar.exe
Size

1.1MB
MD5

b81b2efb25b5fc8ef39c47adc71f4f0a
SHA1

01bdbc997333aec6197832be7a57c87e777ab007
SHA256

70ec27a0cb26c73b7dfe3d665a87234c55864972da956c4aca69393efc74c765
SHA512

a0f9851855321300710b5f98c3886eab042cf851363710f48fd8ce2eef1de2348831828e2644011dadbe2af30c093a984268e86afa15400c8f176bb5c7e71f56
SSDEEP

24576:VqDEvCTbMWu7rQYlBQcBiT6rprG8aeraZ4gB0c2eV:VTvC/MTQYxsWR7aeYBD2

Score

10^/10

formbook jd21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jd21

Decoy

bankownedproperties-0.bond

slab-leak-repair-74697.bond

tvtwenty20sr.top

scw-iot.net

circusenergy.online

030002787.xyz

propertiesforrentus11.bond

defi-banksystem.online

gkbet168.net

joycasino-ed46.top

sctttc-or.top

borghardt.xyz

therealtorpeddler.info

macexpress.online

bobbyharvey.store

dating-dd-de.info

thetrue.one

alqahtani.site

mahlubini.africa

truck-driver-jobs-42274.bond

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2196-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2196-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2952-21-0x0000000000EC0000-0x0000000000EEF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 2196	2352	MalwareBazaar.exe	86
PID 2196 set thread context of 3548	2196	svchost.exe	56
PID 2952 set thread context of 3548	2952	svchost.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2196	svchost.exe
2196	svchost.exe
2196	svchost.exe
2196	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2352	MalwareBazaar.exe
2196	svchost.exe
2196	svchost.exe
2196	svchost.exe
2952	svchost.exe
2952	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	svchost.exe
Token: SeDebugPrivilege	2952	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2352	MalwareBazaar.exe
2352	MalwareBazaar.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2352	MalwareBazaar.exe
2352	MalwareBazaar.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3548	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2196	2352	MalwareBazaar.exe	86
PID 2352 wrote to memory of 2196	2352	MalwareBazaar.exe	86
PID 2352 wrote to memory of 2196	2352	MalwareBazaar.exe	86
PID 2352 wrote to memory of 2196	2352	MalwareBazaar.exe	86
PID 3548 wrote to memory of 2952	3548	Explorer.EXE	87
PID 3548 wrote to memory of 2952	3548	Explorer.EXE	87
PID 3548 wrote to memory of 2952	3548	Explorer.EXE	87
PID 2952 wrote to memory of 4236	2952	svchost.exe	88
PID 2952 wrote to memory of 4236	2952	svchost.exe	88
PID 2952 wrote to memory of 4236	2952	svchost.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.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:2352
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2196
- 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:2952
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2196-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-13-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/2196-16-0x0000000002070000-0x0000000002085000-memory.dmp

Filesize
84KB

Download
memory/2196-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-11-0x0000000002450000-0x0000000002454000-memory.dmp

Filesize
16KB

Download
memory/2952-21-0x0000000000EC0000-0x0000000000EEF000-memory.dmp

Filesize
188KB

Download
memory/2952-18-0x0000000000FF0000-0x0000000000FFE000-memory.dmp

Filesize
56KB

Download
memory/2952-20-0x0000000000FF0000-0x0000000000FFE000-memory.dmp

Filesize
56KB

Download
memory/3548-17-0x0000000007E80000-0x0000000007F5D000-memory.dmp

Filesize
884KB

Download
memory/3548-23-0x0000000007E80000-0x0000000007F5D000-memory.dmp

Filesize
884KB

Download
memory/3548-26-0x00000000080F0000-0x0000000008197000-memory.dmp

Filesize
668KB

Download
memory/3548-27-0x00000000080F0000-0x0000000008197000-memory.dmp

Filesize
668KB

Download
memory/3548-30-0x00000000080F0000-0x0000000008197000-memory.dmp

Filesize
668KB

Download