formbook | c66ec112e6247a7dd5171f17a0559695d0adc051b285ed2df42fe738c83efe94

Analysis

max time kernel
148s
max time network
157s
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 19:42

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General

Target

DHL SHIPPING DOCUMENT.exe
Size

1.1MB
MD5

aeffc423b2e483ccad4ffef8ff7195a7
SHA1

85b40f249df8b988bdf42aad6be931d0fcacf79b
SHA256

c66ec112e6247a7dd5171f17a0559695d0adc051b285ed2df42fe738c83efe94
SHA512

692c07a901cc99be0d0b0f2d7f1272a9a6541a531494f34d43338a3e6beec9a3b6a3fbe9e42d2506459599dc7f17f59530eee893660788f08ec995f39e66cc9e
SSDEEP

24576:JqDEvCTbMWu7rQYlBQcBiT6rprG8a3DtLxBLGV/:JTvC/MTQYxsWR7a3Dd+

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/3520-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3520-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1584-20-0x0000000000F30000-0x0000000000F5F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4148 set thread context of 3520	4148	DHL SHIPPING DOCUMENT.exe	86
PID 3520 set thread context of 3436	3520	svchost.exe	56
PID 1584 set thread context of 3436	1584	chkdsk.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	DHL SHIPPING DOCUMENT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4148	DHL SHIPPING DOCUMENT.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3520	svchost.exe
3520	svchost.exe
3520	svchost.exe
3520	svchost.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe
1584	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4148	DHL SHIPPING DOCUMENT.exe
3520	svchost.exe
3520	svchost.exe
3520	svchost.exe
1584	chkdsk.exe
1584	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3520	svchost.exe
Token: SeDebugPrivilege	1584	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4148	DHL SHIPPING DOCUMENT.exe
4148	DHL SHIPPING DOCUMENT.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4148	DHL SHIPPING DOCUMENT.exe
4148	DHL SHIPPING DOCUMENT.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 3520	4148	DHL SHIPPING DOCUMENT.exe	86
PID 4148 wrote to memory of 3520	4148	DHL SHIPPING DOCUMENT.exe	86
PID 4148 wrote to memory of 3520	4148	DHL SHIPPING DOCUMENT.exe	86
PID 4148 wrote to memory of 3520	4148	DHL SHIPPING DOCUMENT.exe	86
PID 3436 wrote to memory of 1584	3436	Explorer.EXE	87
PID 3436 wrote to memory of 1584	3436	Explorer.EXE	87
PID 3436 wrote to memory of 1584	3436	Explorer.EXE	87
PID 1584 wrote to memory of 708	1584	chkdsk.exe	88
PID 1584 wrote to memory of 708	1584	chkdsk.exe	88
PID 1584 wrote to memory of 708	1584	chkdsk.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENT.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENT.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4148
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENT.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3520
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1584-18-0x0000000000FA0000-0x0000000000FAA000-memory.dmp

Filesize
40KB

Download
memory/1584-20-0x0000000000F30000-0x0000000000F5F000-memory.dmp

Filesize
188KB

Download
memory/1584-19-0x0000000000FA0000-0x0000000000FAA000-memory.dmp

Filesize
40KB

Download
memory/3436-22-0x0000000008B50000-0x0000000008C5A000-memory.dmp

Filesize
1.0MB

Download
memory/3436-17-0x0000000008B50000-0x0000000008C5A000-memory.dmp

Filesize
1.0MB

Download
memory/3436-25-0x0000000008C60000-0x0000000008D92000-memory.dmp

Filesize
1.2MB

Download
memory/3436-26-0x0000000008C60000-0x0000000008D92000-memory.dmp

Filesize
1.2MB

Download
memory/3436-29-0x0000000008C60000-0x0000000008D92000-memory.dmp

Filesize
1.2MB

Download
memory/3520-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3520-16-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/3520-13-0x0000000000E00000-0x000000000114A000-memory.dmp

Filesize
3.3MB

Download
memory/3520-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4148-11-0x00000000022A0000-0x00000000022A4000-memory.dmp

Filesize
16KB

Download