formbook | c66ec112e6247a7dd5171f17a0559695d0adc051b285ed2df42fe738c83efe94

General

Target

MalwareBazaar.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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2180-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2180-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2180-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1568-26-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 2180	2508	MalwareBazaar.exe	29
PID 2180 set thread context of 1444	2180	svchost.exe	20
PID 2180 set thread context of 1444	2180	svchost.exe	20
PID 1568 set thread context of 1444	1568	svchost.exe	20

System Location Discovery: System Language Discovery 1 TTPs 4 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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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

pid	Process
2180	svchost.exe
2180	svchost.exe
2180	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe
1568	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2508	MalwareBazaar.exe
2180	svchost.exe
2180	svchost.exe
2180	svchost.exe
2180	svchost.exe
1568	svchost.exe
1568	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	svchost.exe
Token: SeDebugPrivilege	1568	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2508	MalwareBazaar.exe
2508	MalwareBazaar.exe
1444	Explorer.EXE
1444	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2508	MalwareBazaar.exe
2508	MalwareBazaar.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2180	2508	MalwareBazaar.exe	29
PID 2508 wrote to memory of 2180	2508	MalwareBazaar.exe	29
PID 2508 wrote to memory of 2180	2508	MalwareBazaar.exe	29
PID 2508 wrote to memory of 2180	2508	MalwareBazaar.exe	29
PID 2508 wrote to memory of 2180	2508	MalwareBazaar.exe	29
PID 2180 wrote to memory of 1568	2180	svchost.exe	30
PID 2180 wrote to memory of 1568	2180	svchost.exe	30
PID 2180 wrote to memory of 1568	2180	svchost.exe	30
PID 2180 wrote to memory of 1568	2180	svchost.exe	30
PID 1568 wrote to memory of 2268	1568	svchost.exe	31
PID 1568 wrote to memory of 2268	1568	svchost.exe	31
PID 1568 wrote to memory of 2268	1568	svchost.exe	31
PID 1568 wrote to memory of 2268	1568	svchost.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1444
- 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:2508
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - 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:2180
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      4⤵
      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:1568
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2268

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/1444-36-0x00000000078A0000-0x00000000079C7000-memory.dmp

Filesize
1.2MB

Download
memory/1444-33-0x00000000078A0000-0x00000000079C7000-memory.dmp

Filesize
1.2MB

Download
memory/1444-32-0x00000000078A0000-0x00000000079C7000-memory.dmp

Filesize
1.2MB

Download
memory/1444-29-0x0000000007760000-0x0000000007891000-memory.dmp

Filesize
1.2MB

Download
memory/1444-17-0x0000000007480000-0x00000000075D6000-memory.dmp

Filesize
1.3MB

Download
memory/1444-19-0x0000000007480000-0x00000000075D6000-memory.dmp

Filesize
1.3MB

Download
memory/1444-22-0x0000000007760000-0x0000000007891000-memory.dmp

Filesize
1.2MB

Download
memory/1568-23-0x0000000000D90000-0x0000000000D98000-memory.dmp

Filesize
32KB

Download
memory/1568-26-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1568-25-0x0000000000D90000-0x0000000000D98000-memory.dmp

Filesize
32KB

Download
memory/2180-14-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2180-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2180-21-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/2180-15-0x0000000000160000-0x0000000000175000-memory.dmp

Filesize
84KB

Download
memory/2180-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2180-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-11-0x0000000000160000-0x0000000000164000-memory.dmp

Filesize
16KB

Download

Analysis

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