formbook | 8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60

General

Target

8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
Size

709KB
MD5

e4f60d72ec802f36b0bf548cebf866d5
SHA1

3062a74ea120d1d6df530198fbee72748c00012a
SHA256

8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60
SHA512

69bc1f57bb13424a8d34bfd5b14f6c3877a5971849d642fd01018e3567d49bf9819f0634fc535647c3c36446f1475092f18db10a998dd884c2b84be10f89c889
SSDEEP

12288:VJ6J0nVj9Eqf84uRggd7Gfl/BIiim7gzTC/OoEEaSOVwkZEgK7:GqiuIug4flZ37g/9oEE1OVw7g

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/2760-20-0x0000000000400000-0x000000000042F000-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
2836	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2416 set thread context of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35

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	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.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
2120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2760	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
2836	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2836	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	31
PID 2416 wrote to memory of 2836	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	31
PID 2416 wrote to memory of 2836	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	31
PID 2416 wrote to memory of 2836	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	31
PID 2416 wrote to memory of 2120	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	33
PID 2416 wrote to memory of 2120	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	33
PID 2416 wrote to memory of 2120	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	33
PID 2416 wrote to memory of 2120	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	33
PID 2416 wrote to memory of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35
PID 2416 wrote to memory of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35
PID 2416 wrote to memory of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35
PID 2416 wrote to memory of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35
PID 2416 wrote to memory of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35
PID 2416 wrote to memory of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35
PID 2416 wrote to memory of 2760	2416	8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe	35

C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
"C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xnbRpyBcNAT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xnbRpyBcNAT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB66.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2120
- C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe
  "C:\Users\Admin\AppData\Local\Temp\8e185a2f10e620e49f3286683619c50ba26c2197de7377d657462ae039462b60.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2760

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\tmpB66.tmp

Filesize
1KB

MD5
a8772aa586005562b61c41f56df2d78e

SHA1
489f74dc4a4a81aa07ad7d9ab8a683cbd96c41db

SHA256
ce8d2e35f7b5acecca97940458da5ef84ae9af39c0bc4320bbdcd58e9843db2a

SHA512
aeaf3d2193ee8f8bda275a471c41b0fbb024944bc2fc1e82a179f136cd2b4d4c3b48805ca2adc91126acf0ff02e70dc0924b9e7b73081af128494f84386798d7

Download Submit
memory/2416-6-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2416-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2416-3-0x0000000004CB0000-0x0000000004D40000-memory.dmp

Filesize
576KB

Download
memory/2416-4-0x0000000002070000-0x0000000002088000-memory.dmp

Filesize
96KB

Download
memory/2416-5-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2416-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2416-7-0x0000000005750000-0x00000000057C6000-memory.dmp

Filesize
472KB

Download
memory/2416-1-0x0000000000AD0000-0x0000000000B88000-memory.dmp

Filesize
736KB

Download
memory/2416-21-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2760-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads