formbook | ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0

General

Target

ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
Size

741KB
MD5

fe955f341bed9ae76c079eadfa74d500
SHA1

315d49a2b722a1c881dd35e6e0f7f0eab6b7ae2a
SHA256

ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0
SHA512

31bf87a1bf301f91018b90fcf59f3569e60a3c9d5fe3a98046fb94a09de451fd16c66b45e1d55b8b4624ebdc04d747c1289df6d5d571d700def4f737d5e0ea3c
SSDEEP

12288:5x0zjLf30WH0TwOqp09vHIyUdA4fEvhoZbKz7deCthQKl7UnnHf5uiG4:6jj0ywkp4/IyUCQEvhmKvgCthQK1UnH1

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 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2356-17-0x0000000000400000-0x000000000042F000-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
2848	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32

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 3 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	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
2848	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2848	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	28
PID 2868 wrote to memory of 2848	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	28
PID 2868 wrote to memory of 2848	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	28
PID 2868 wrote to memory of 2848	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	28
PID 2868 wrote to memory of 2792	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	29
PID 2868 wrote to memory of 2792	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	29
PID 2868 wrote to memory of 2792	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	29
PID 2868 wrote to memory of 2792	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	29
PID 2868 wrote to memory of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32
PID 2868 wrote to memory of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32
PID 2868 wrote to memory of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32
PID 2868 wrote to memory of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32
PID 2868 wrote to memory of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32
PID 2868 wrote to memory of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32
PID 2868 wrote to memory of 2356	2868	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	32

C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
"C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jdJEXcso.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jdJEXcso" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0C0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
  "C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2356

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\tmpC0C0.tmp

Filesize
1KB

MD5
8c04cf1779434c82be6058962d01ecb8

SHA1
c843081dc66cf1323a2a7636eb789da1d925c422

SHA256
a757cd9772cc19d53fe834db0485a9d79f1636e9ef890abcc9f7ea7cb3d4573e

SHA512
b05cea1ad3fc9442efe366f7b0e95f783bcec61c68277544b96c1802e5c254af062b98be846bf85fb41f6af4bf5a3f9adc0a72fb33876f327b01449552d3542e

Download Submit
memory/2356-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2356-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2356-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2356-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-3-0x0000000000610000-0x0000000000628000-memory.dmp

Filesize
96KB

Download
memory/2868-6-0x0000000004C80000-0x0000000004CF6000-memory.dmp

Filesize
472KB

Download
memory/2868-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-4-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2868-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2868-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-1-0x00000000008A0000-0x000000000095E000-memory.dmp

Filesize
760KB

Download
memory/2868-20-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads