formbook | 626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4

General

Target

RFQ31072024_August order_pdf.bat.exe
Size

641KB
MD5

9347166b9363eba1d20b7730637c5e1c
SHA1

25939d1eed435a46a545f5c648ebf38a89921809
SHA256

626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4
SHA512

5b23fa987ee3797012c477dd31ee8721907c49c93e476bca719b3a73cbf87960012840eb749fadce22c0e9d9a6719cb145ad5675cbffcb51116732704d0df243
SSDEEP

12288:QmjQpjndCgO+a8OJnBQs5t54KP015K1bnK2y9979RzAgmU/qUYQ4kR:QmojdCMYBQsr5DYK1bnK2y9VLzA6/H9

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2668-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2668-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1472-23-0x00000000000C0000-0x00000000000EF000-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
2688	powershell.exe

Deletes itself 1 IoCs

pid	Process
724	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2668 set thread context of 1244	2668	RFQ31072024_August order_pdf.bat.exe	21
PID 2668 set thread context of 1244	2668	RFQ31072024_August order_pdf.bat.exe	21
PID 1472 set thread context of 1244	1472	NAPSTAT.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 6 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	RFQ31072024_August order_pdf.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ31072024_August order_pdf.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2668	RFQ31072024_August order_pdf.bat.exe
2668	RFQ31072024_August order_pdf.bat.exe
2688	powershell.exe
2668	RFQ31072024_August order_pdf.bat.exe
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2668	RFQ31072024_August order_pdf.bat.exe
2668	RFQ31072024_August order_pdf.bat.exe
2668	RFQ31072024_August order_pdf.bat.exe
2668	RFQ31072024_August order_pdf.bat.exe
1472	NAPSTAT.EXE
1472	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	RFQ31072024_August order_pdf.bat.exe
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeDebugPrivilege	1472	NAPSTAT.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2688	2240	RFQ31072024_August order_pdf.bat.exe	30
PID 2240 wrote to memory of 2688	2240	RFQ31072024_August order_pdf.bat.exe	30
PID 2240 wrote to memory of 2688	2240	RFQ31072024_August order_pdf.bat.exe	30
PID 2240 wrote to memory of 2688	2240	RFQ31072024_August order_pdf.bat.exe	30
PID 2240 wrote to memory of 2840	2240	RFQ31072024_August order_pdf.bat.exe	32
PID 2240 wrote to memory of 2840	2240	RFQ31072024_August order_pdf.bat.exe	32
PID 2240 wrote to memory of 2840	2240	RFQ31072024_August order_pdf.bat.exe	32
PID 2240 wrote to memory of 2840	2240	RFQ31072024_August order_pdf.bat.exe	32
PID 2240 wrote to memory of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2240 wrote to memory of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2240 wrote to memory of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2240 wrote to memory of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2240 wrote to memory of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2240 wrote to memory of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2240 wrote to memory of 2668	2240	RFQ31072024_August order_pdf.bat.exe	34
PID 2668 wrote to memory of 1472	2668	RFQ31072024_August order_pdf.bat.exe	36
PID 2668 wrote to memory of 1472	2668	RFQ31072024_August order_pdf.bat.exe	36
PID 2668 wrote to memory of 1472	2668	RFQ31072024_August order_pdf.bat.exe	36
PID 2668 wrote to memory of 1472	2668	RFQ31072024_August order_pdf.bat.exe	36
PID 1472 wrote to memory of 724	1472	NAPSTAT.EXE	37
PID 1472 wrote to memory of 724	1472	NAPSTAT.EXE	37
PID 1472 wrote to memory of 724	1472	NAPSTAT.EXE	37
PID 1472 wrote to memory of 724	1472	NAPSTAT.EXE	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\smRgQPiz.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2688
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\smRgQPiz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8D4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2840
- - C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe"
    3⤵
    - 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:2668
  - - C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      4⤵
      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:1472
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:724

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\tmpB8D4.tmp

Filesize
1KB

MD5
3f165556356d67725726c6d78b1ee6af

SHA1
1caabb021d94fc91f302f3472a6c54b589de9a94

SHA256
af30cc131767f04d45361d3d01cbd2aee3ab13c9bf19faa4e5e8b342411f14f6

SHA512
35004c2136ec9ffa47a0a75f89fd8242c8460893ce4c50f9c75561c6db5ee1e75a8ac602eebdbbc4b1a1bb2bc460d950120cd73c8fc5b7a79b4ebed8b1194d7a

Download Submit
memory/1472-23-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1472-22-0x0000000000320000-0x0000000000366000-memory.dmp

Filesize
280KB

Download
memory/2240-3-0x0000000000620000-0x0000000000636000-memory.dmp

Filesize
88KB

Download
memory/2240-4-0x0000000000560000-0x000000000056E000-memory.dmp

Filesize
56KB

Download
memory/2240-5-0x0000000000E80000-0x0000000000EF6000-memory.dmp

Filesize
472KB

Download
memory/2240-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

Filesize
4KB

Download
memory/2240-19-0x0000000074BB0000-0x000000007529E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-2-0x0000000074BB0000-0x000000007529E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-1-0x0000000001360000-0x0000000001400000-memory.dmp

Filesize
640KB

Download
memory/2668-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads