formbook | 6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe

General

Target

MalwareBazaar.exe
Size

640KB
MD5

8ae724ab3e2563c045f22b247bb503ca
SHA1

b83ee3453ede32642ed99b27b726d7640e3b9f7e
SHA256

6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe
SHA512

2b1da1732b583c3a66e0a7b35ce73a63cda90aed5beb9db965fddd75e3f1cc721bda0bb3ab06e38569a9d23dc2e1112d20a4c6ee465d42287dd06374c41df43e
SSDEEP

12288:R8xa/zmcDXmbrEtQNwRxifuSuGcaCpPUKKcLP/H2xKiWmY0qSh4Gs:R8xaak0QtQNa6uS9CpUKKcLnGKiW4qpP

Score

10^/10

formbook hy08 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy08

Decoy

weazc.top

servoceimmpajhnuz.info

vqemkdhi.xyz

wergol.com

spa-mk.com

rtpsid88.life

tatetits.fun

raidsa.xyz

suojiansuode.net

jointhejunction.com

wudai.net

typeboot.shop

mksport-app.com

miocloud.ovh

taipan77pandan.com

wwwhg58a.com

khuahamiksai31.pro

carpedatumllc.net

safebinders.com

krx21.com

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/1484-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1484-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2680-26-0x0000000000080000-0x00000000000AF000-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
2180	powershell.exe

Deletes itself 1 IoCs

pid	Process
2780	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 1484	2908	MalwareBazaar.exe	34
PID 1484 set thread context of 1188	1484	MalwareBazaar.exe	21
PID 1484 set thread context of 1188	1484	MalwareBazaar.exe	21
PID 2680 set thread context of 1188	2680	netsh.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	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
2164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
1484	MalwareBazaar.exe
1484	MalwareBazaar.exe
2180	powershell.exe
1484	MalwareBazaar.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe
2680	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1484	MalwareBazaar.exe
1484	MalwareBazaar.exe
1484	MalwareBazaar.exe
1484	MalwareBazaar.exe
2680	netsh.exe
2680	netsh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	MalwareBazaar.exe
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeDebugPrivilege	2680	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2180	2908	MalwareBazaar.exe	30
PID 2908 wrote to memory of 2180	2908	MalwareBazaar.exe	30
PID 2908 wrote to memory of 2180	2908	MalwareBazaar.exe	30
PID 2908 wrote to memory of 2180	2908	MalwareBazaar.exe	30
PID 2908 wrote to memory of 2164	2908	MalwareBazaar.exe	31
PID 2908 wrote to memory of 2164	2908	MalwareBazaar.exe	31
PID 2908 wrote to memory of 2164	2908	MalwareBazaar.exe	31
PID 2908 wrote to memory of 2164	2908	MalwareBazaar.exe	31
PID 2908 wrote to memory of 1484	2908	MalwareBazaar.exe	34
PID 2908 wrote to memory of 1484	2908	MalwareBazaar.exe	34
PID 2908 wrote to memory of 1484	2908	MalwareBazaar.exe	34
PID 2908 wrote to memory of 1484	2908	MalwareBazaar.exe	34
PID 2908 wrote to memory of 1484	2908	MalwareBazaar.exe	34
PID 2908 wrote to memory of 1484	2908	MalwareBazaar.exe	34
PID 2908 wrote to memory of 1484	2908	MalwareBazaar.exe	34
PID 1188 wrote to memory of 2680	1188	Explorer.EXE	35
PID 1188 wrote to memory of 2680	1188	Explorer.EXE	35
PID 1188 wrote to memory of 2680	1188	Explorer.EXE	35
PID 1188 wrote to memory of 2680	1188	Explorer.EXE	35
PID 2680 wrote to memory of 2780	2680	netsh.exe	36
PID 2680 wrote to memory of 2780	2680	netsh.exe	36
PID 2680 wrote to memory of 2780	2680	netsh.exe	36
PID 2680 wrote to memory of 2780	2680	netsh.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- 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 use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjvoRD.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2180
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjvoRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB79.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2164
- - C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1484
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:2680
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2780

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\tmpCB79.tmp

Filesize
1KB

MD5
f8727ce339f7b29099a0ae882147d6a9

SHA1
259ff4a7ed0dcbc9b4b2abf8c0fe43c5f7db9c52

SHA256
8b0e1f19e8398d45f318eb2013da29d5b7feed11790656e5596e210fe0018986

SHA512
543c9c0b29615e36e5ec0305dfcfeee66947841d3506e19e83677db1112bd85323877cb12a2cde4d970479975f9fa1987cb45f0dc6aabe92d54202893eff0179

Download Submit
memory/1188-24-0x0000000006570000-0x00000000066D9000-memory.dmp

Filesize
1.4MB

Download
memory/1484-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1484-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2680-26-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2680-25-0x00000000014D0000-0x00000000014EB000-memory.dmp

Filesize
108KB

Download
memory/2908-6-0x0000000004C60000-0x0000000004CD6000-memory.dmp

Filesize
472KB

Download
memory/2908-18-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-2-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2908-3-0x00000000004C0000-0x00000000004D8000-memory.dmp

Filesize
96KB

Download
memory/2908-1-0x0000000001270000-0x0000000001316000-memory.dmp

Filesize
664KB

Download
memory/2908-5-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/2908-4-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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