formbook | 45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746

General

Target

45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
Size

637KB
MD5

536f359f5908b1a9926b6337c3e520d4
SHA1

d8b7aa1367b6508e1e4ee99c5e0ba9d15b097219
SHA256

45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746
SHA512

dd1c82dc5779f28c33fd8d82b44a9000be1643213c1bd0d68968697e8ed24578f713724300ee73927efe058166dd00344f7e7057a44b2db6cc69efd86f8bdf14
SSDEEP

12288:YvgQpjndCDRIswmfdJ8hWUxE/350N2mDuPZgC5uvqpkqZiBXdQdkR:YvvjdCDRLH1UxE/35tmDuPl5uvRqZitT

Score

10^/10

formbook ss24 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss24

Decoy

agingwellhc.com

unikbetanggur.autos

eb2024yl.top

ja380.xyz

thehalcyon.studio

maudsoogrim.com

esteler10.click

mewtcp.xyz

www-zjbf1.club

kucinglucu.online

lunwencheck.com

65597.photos

erbxeu358h.top

startable.online

yousend.xyz

csharksg.com

centricoatings.com

ntruhslearn.xyz

achabakra.xyz

zuntool.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/2960-18-0x0000000000400000-0x000000000042F000-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
2884	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1696 set thread context of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.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	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.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
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2960	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
2884	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2884	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	31
PID 1696 wrote to memory of 2884	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	31
PID 1696 wrote to memory of 2884	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	31
PID 1696 wrote to memory of 2884	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	31
PID 1696 wrote to memory of 2772	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	33
PID 1696 wrote to memory of 2772	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	33
PID 1696 wrote to memory of 2772	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	33
PID 1696 wrote to memory of 2772	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	33
PID 1696 wrote to memory of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	35
PID 1696 wrote to memory of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	35
PID 1696 wrote to memory of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	35
PID 1696 wrote to memory of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	35
PID 1696 wrote to memory of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	35
PID 1696 wrote to memory of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	35
PID 1696 wrote to memory of 2960	1696	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	35

C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
"C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EqtGqZpPskFq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2884
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EqtGqZpPskFq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5E5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
  "C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2960

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD5E5.tmp

Filesize
1KB

MD5
20e2a673e062b18d2a99449df3e7dcf6

SHA1
12e07274796acf11b2bba29b7a8432092c923d67

SHA256
91c50a594cb4d4e3771b93607fa6f5143d2536d68739b04873af261bcee40d14

SHA512
af95b85c114a25cee37dae67bccc9b52ab5a7b09705773367d21da9b513783fcef4fec9bcd4afcc18db534df4878e3fac99e134bf21497f79ca2fe431f7d5a0e

Download Submit
memory/1696-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

Filesize
4KB

Download
memory/1696-1-0x0000000000860000-0x00000000008FE000-memory.dmp

Filesize
632KB

Download
memory/1696-2-0x0000000074E30000-0x000000007551E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-3-0x0000000000560000-0x0000000000576000-memory.dmp

Filesize
88KB

Download
memory/1696-4-0x0000000000630000-0x000000000063E000-memory.dmp

Filesize
56KB

Download
memory/1696-5-0x0000000004C20000-0x0000000004C96000-memory.dmp

Filesize
472KB

Download
memory/1696-19-0x0000000074E30000-0x000000007551E000-memory.dmp

Filesize
6.9MB

Download
memory/2960-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2960-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2960-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2960-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads