formbook | ee7dd9158f6175700aa6d58f346036f949889f8deebf8dbee83c40874bbc1f26

General

Target

MalwareBazaar.exe
Size

561KB
MD5

01fbcc6559c010e59be1dc7b66c12e4f
SHA1

657f058d4032447658f71265803f7a6d52a64532
SHA256

ee7dd9158f6175700aa6d58f346036f949889f8deebf8dbee83c40874bbc1f26
SHA512

8d83eea254360b6fcbb2a83ef6a6d26898a2370c151cdd36fc964509b27b4e5241ebff1d520d6bfb194ce14589c51d2387023ece6858c6a8e6a7634f7418fdcc
SSDEEP

12288:0MHalYsHfne1TDq/MrmqiqaXpSxDHjFB0LobIgySCq:Jaltve1TmUvir4zZuLobSSF

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

yb40w.top

286live.com

poozonlife.com

availableweedsonline.com

22926839.com

petlovepet.fun

halbaexpress.com

newswingbd.com

discountdesh.com

jwoalhbn.xyz

dandevonald.com

incrediblyxb.christmas

ailia.pro

ga3ki3.com

99812.photos

richiecom.net

ummahskills.online

peakleyva.store

a1cbloodtest.com

insurancebygarry.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2976-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2636-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1924	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2976	2632	MalwareBazaar.exe	35
PID 2976 set thread context of 1220	2976	RegSvcs.exe	21
PID 2636 set thread context of 1220	2636	colorcpl.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	colorcpl.exe
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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2632	MalwareBazaar.exe
1924	powershell.exe
2632	MalwareBazaar.exe
2976	RegSvcs.exe
2976	RegSvcs.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe
2636	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2976	RegSvcs.exe
2976	RegSvcs.exe
2976	RegSvcs.exe
2636	colorcpl.exe
2636	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2632	MalwareBazaar.exe
Token: SeDebugPrivilege	1924	powershell.exe
Token: SeDebugPrivilege	2976	RegSvcs.exe
Token: SeDebugPrivilege	2636	colorcpl.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 1924	2632	MalwareBazaar.exe	31
PID 2632 wrote to memory of 1924	2632	MalwareBazaar.exe	31
PID 2632 wrote to memory of 1924	2632	MalwareBazaar.exe	31
PID 2632 wrote to memory of 1924	2632	MalwareBazaar.exe	31
PID 2632 wrote to memory of 2656	2632	MalwareBazaar.exe	33
PID 2632 wrote to memory of 2656	2632	MalwareBazaar.exe	33
PID 2632 wrote to memory of 2656	2632	MalwareBazaar.exe	33
PID 2632 wrote to memory of 2656	2632	MalwareBazaar.exe	33
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 2632 wrote to memory of 2976	2632	MalwareBazaar.exe	35
PID 1220 wrote to memory of 2636	1220	Explorer.EXE	36
PID 1220 wrote to memory of 2636	1220	Explorer.EXE	36
PID 1220 wrote to memory of 2636	1220	Explorer.EXE	36
PID 1220 wrote to memory of 2636	1220	Explorer.EXE	36
PID 2636 wrote to memory of 2548	2636	colorcpl.exe	37
PID 2636 wrote to memory of 2548	2636	colorcpl.exe	37
PID 2636 wrote to memory of 2548	2636	colorcpl.exe	37
PID 2636 wrote to memory of 2548	2636	colorcpl.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- 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: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KfYvtUBOq.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1924
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KfYvtUBOq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22EC.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2656
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2976
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2636
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp22EC.tmp

Filesize
1KB

MD5
70109c5df84984fc260fbfb3d5e6b206

SHA1
2fccee1bfd1f0ffbbbef44cb5b477c8bb8db4669

SHA256
dd42765997aaca8abe364c740538ab7042c649f7c634a728f8b06ca8b9a2db42

SHA512
e215c7eb1dc5c53d1ce45af07b129957d36e820a086d7dfe31f156a3f39642b16065d1021e56b6a8e76cf05db5f27fbb638f1155c42a84813415713293ac0bfa

Download Submit
memory/2632-3-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/2632-2-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/2632-4-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/2632-5-0x0000000004670000-0x00000000046E6000-memory.dmp

Filesize
472KB

Download
memory/2632-1-0x0000000000DF0000-0x0000000000E82000-memory.dmp

Filesize
584KB

Download
memory/2632-19-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-21-0x0000000000C80000-0x0000000000C98000-memory.dmp

Filesize
96KB

Download
memory/2636-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2976-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2976-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2976-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads