formbook | 29d57050ee10327642136e9e1a394ca996b42b95bae45d3dd44e392cec83c027

General

Target

MalwareBazaar.exe
Size

1.1MB
MD5

fad2601b8d3ae921451df530f754a105
SHA1

cd2e6daa5a20510ca430fd4ad0e7297f3658308e
SHA256

29d57050ee10327642136e9e1a394ca996b42b95bae45d3dd44e392cec83c027
SHA512

51176dd307286fc4a9b07cca80356a6c2b0f42a1fe947296a5f11f360ed54ea8299315223183e818da250a71f75a6134b6aafa4d3598310b896dbb9f8f8ac32d
SSDEEP

24576:BqDEvCTbMWu7rQYlBQcBiT6rprG8aCHhItAQFbb2:BTvC/MTQYxsWR7aCH/Q9

Score

10^/10

formbook dz16 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dz16

Decoy

gravechill.com

goniu-6520.cyou

qbwlszmf.xyz

computingthecosmos.com

m327841.com

socradex.com

outsidewallornaments.com

emadkasndfg.top

khaleejmed.online

awaz.shop

sunkar.capital

unlimited-merch.com

deboenterprise.net

darma88win.shop

593785.com

flyingcakecompany.com

toyorgga.shop

vyrqjrwh.xyz

window-replacement-26046.bond

marucoin.live

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/2760-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2760-34-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2748-41-0x0000000000080000-0x00000000000AF000-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
3032	name.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	MalwareBazaar.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000016d66-13.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 2760	3032	name.exe	31
PID 2760 set thread context of 1196	2760	svchost.exe	21
PID 2748 set thread context of 1196	2748	raserver.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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2760	svchost.exe
2760	svchost.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe
2748	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3032	name.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2748	raserver.exe
2748	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	svchost.exe
Token: SeDebugPrivilege	2748	raserver.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2256	MalwareBazaar.exe
2256	MalwareBazaar.exe
3032	name.exe
3032	name.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2256	MalwareBazaar.exe
2256	MalwareBazaar.exe
3032	name.exe
3032	name.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 3032	2256	MalwareBazaar.exe	30
PID 2256 wrote to memory of 3032	2256	MalwareBazaar.exe	30
PID 2256 wrote to memory of 3032	2256	MalwareBazaar.exe	30
PID 2256 wrote to memory of 3032	2256	MalwareBazaar.exe	30
PID 3032 wrote to memory of 2760	3032	name.exe	31
PID 3032 wrote to memory of 2760	3032	name.exe	31
PID 3032 wrote to memory of 2760	3032	name.exe	31
PID 3032 wrote to memory of 2760	3032	name.exe	31
PID 3032 wrote to memory of 2760	3032	name.exe	31
PID 1196 wrote to memory of 2748	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2748	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2748	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2748	1196	Explorer.EXE	32
PID 2748 wrote to memory of 3056	2748	raserver.exe	33
PID 2748 wrote to memory of 3056	2748	raserver.exe	33
PID 2748 wrote to memory of 3056	2748	raserver.exe	33
PID 2748 wrote to memory of 3056	2748	raserver.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Users\Admin\AppData\Local\directory\name.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.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:3032
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2760
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2748
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3056

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

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

Filesize
28KB

MD5
b769e9647555650f3bf9f5f141df5187

SHA1
6ce3042ba36f8a7779b609688cdd78c6fb1d4774

SHA256
cb3d3e699e9da8852d2621720ed0f72694e6743a3cf1a4e1e3c6d57c84dc0c06

SHA512
44ddc55edda392faf7d94d4efb9a5c15d0d441f60a4e65c40950dd9f40471b2d1be49a27986d8109d4c854f3aa12ac09b8fb80eefe4eb908e9116ca9d3861023

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

Filesize
1.1MB

MD5
fad2601b8d3ae921451df530f754a105

SHA1
cd2e6daa5a20510ca430fd4ad0e7297f3658308e

SHA256
29d57050ee10327642136e9e1a394ca996b42b95bae45d3dd44e392cec83c027

SHA512
51176dd307286fc4a9b07cca80356a6c2b0f42a1fe947296a5f11f360ed54ea8299315223183e818da250a71f75a6134b6aafa4d3598310b896dbb9f8f8ac32d

Download Submit
memory/1196-35-0x00000000037B0000-0x00000000038B0000-memory.dmp

Filesize
1024KB

Download
memory/1196-36-0x00000000065D0000-0x000000000674F000-memory.dmp

Filesize
1.5MB

Download
memory/1196-43-0x00000000065D0000-0x000000000674F000-memory.dmp

Filesize
1.5MB

Download
memory/1196-47-0x0000000007820000-0x0000000007947000-memory.dmp

Filesize
1.2MB

Download
memory/1196-48-0x0000000007820000-0x0000000007947000-memory.dmp

Filesize
1.2MB

Download
memory/1196-51-0x0000000007820000-0x0000000007947000-memory.dmp

Filesize
1.2MB

Download
memory/2256-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2748-39-0x00000000000F0000-0x000000000010C000-memory.dmp

Filesize
112KB

Download
memory/2748-40-0x00000000000F0000-0x000000000010C000-memory.dmp

Filesize
112KB

Download
memory/2748-41-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2760-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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