formbook | 636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f

General

Target

636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
Size

1.1MB
MD5

6bbfded2baa5a18cc97d10516ee91c78
SHA1

9e39944c9d057d134b119c677be07975704e546e
SHA256

636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f
SHA512

4d952c2ed6a876bd639b2a9e4baa5eeadbf01f314bcd1a2c80da564c4594330a5b26dc351c528b5c0d574e7013b387349ce77a274257b0df902a48e707545605
SSDEEP

24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8a4dz681iuw:nTvC/MTQYxsWR7a4h6Eiu

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
behavioral1/memory/1916-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1916-35-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2716-40-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	name.exe

Loads dropped DLL 1 IoCs

pid	Process
2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000d000000012284-13.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 1916	2756	name.exe	32
PID 1916 set thread context of 1188	1916	svchost.exe	21
PID 2716 set thread context of 1188	2716	chkdsk.exe	21

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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.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 31 IoCs

pid	Process
1916	svchost.exe
1916	svchost.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe
2716	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2756	name.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
2716	chkdsk.exe
2716	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	svchost.exe
Token: SeDebugPrivilege	2716	chkdsk.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
2756	name.exe
2756	name.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
2756	name.exe
2756	name.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2756	2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe	31
PID 2708 wrote to memory of 2756	2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe	31
PID 2708 wrote to memory of 2756	2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe	31
PID 2708 wrote to memory of 2756	2708	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe	31
PID 2756 wrote to memory of 1916	2756	name.exe	32
PID 2756 wrote to memory of 1916	2756	name.exe	32
PID 2756 wrote to memory of 1916	2756	name.exe	32
PID 2756 wrote to memory of 1916	2756	name.exe	32
PID 2756 wrote to memory of 1916	2756	name.exe	32
PID 1188 wrote to memory of 2716	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2716	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2716	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2716	1188	Explorer.EXE	33
PID 2716 wrote to memory of 2624	2716	chkdsk.exe	34
PID 2716 wrote to memory of 2624	2716	chkdsk.exe	34
PID 2716 wrote to memory of 2624	2716	chkdsk.exe	34
PID 2716 wrote to memory of 2624	2716	chkdsk.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
  "C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Users\Admin\AppData\Local\directory\name.exe
    "C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - 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:2756
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1916
- 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:2716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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

C:\Users\Admin\AppData\Local\Temp\molecast

Filesize
28KB

MD5
ee4cf49f57dbe9b317975148fc646c5a

SHA1
d108703eb6fcd1cce8ec0d2ef6cd0a8724de207d

SHA256
b9d18f83221f16f2f21ff6596e108562172c0e51ee1e78fae29fd4d512f9dc54

SHA512
5178a4e46d5d964f6ae9352749dcb29402ac6f75f85b117d4179fb04af1fd4faf8c2f588d1cb62d107e67fa9a3c4212c5c60bd9ada662f7989eec9acdf6732da

Download Submit
\Users\Admin\AppData\Local\directory\name.exe

Filesize
1.1MB

MD5
6bbfded2baa5a18cc97d10516ee91c78

SHA1
9e39944c9d057d134b119c677be07975704e546e

SHA256
636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f

SHA512
4d952c2ed6a876bd639b2a9e4baa5eeadbf01f314bcd1a2c80da564c4594330a5b26dc351c528b5c0d574e7013b387349ce77a274257b0df902a48e707545605

Download Submit
memory/1188-43-0x0000000007B00000-0x0000000007C4F000-memory.dmp

Filesize
1.3MB

Download
memory/1188-51-0x0000000007D10000-0x0000000007E5C000-memory.dmp

Filesize
1.3MB

Download
memory/1188-48-0x0000000007D10000-0x0000000007E5C000-memory.dmp

Filesize
1.3MB

Download
memory/1188-47-0x0000000007D10000-0x0000000007E5C000-memory.dmp

Filesize
1.3MB

Download
memory/1188-37-0x0000000007B00000-0x0000000007C4F000-memory.dmp

Filesize
1.3MB

Download
memory/1916-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1916-35-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1916-36-0x0000000000240000-0x0000000000255000-memory.dmp

Filesize
84KB

Download
memory/1916-33-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2708-11-0x0000000000230000-0x0000000000234000-memory.dmp

Filesize
16KB

Download
memory/2716-38-0x00000000008B0000-0x00000000008B7000-memory.dmp

Filesize
28KB

Download
memory/2716-39-0x00000000008B0000-0x00000000008B7000-memory.dmp

Filesize
28KB

Download
memory/2716-40-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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