darktortilla | 4206c4ded33b3137cb67d2013deb8c6d78b4a55fd16d9930904ad548d8802c19

Analysis

max time kernel
148s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20250619-en
resource tags

arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2025, 13:04

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General

Target
Cotización de Shine, 2 de octubre de 2025.exe
Size 448KB
Sample251003-qbcd2a1sev
SHA256 4206c4ded33b3137cb67d2013deb8c6d78b4a55fd16d9930904ad548d8802c19
MD5 c9f0f5c54927915dfa5be5898e7afde0
SHA1 8ca33f8f3097d3c3d8d005c0f0060ea9606f93a7
SHA512 aff619924e5fe804c1cbe73bbc3bdc2f0d66589b535a681ffe5a12f914aea3af1cc67937c362df6f94239937e16aac2eec3d4fca8a734c3fda60b4e0b46d2739
SSDEEP 6144:it9Im+XtFgYKXkep2sNbq4TydaFJ1a0nAKVpROuZKcuWr4C4QcdugZAaqy+sDG:it9kdFgX52Ybv2daD1xAKrROu+T
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

crypter discovery darktortilla xworm loader persistence rat trojan

Malware Config

Extracted

Family

xworm

petro4prime.ydns.eu:5909

Attributes

Install_directory
%AppData%
install_file
PowerPoint.exe

Signatures

Darktortilla
DarkTortilla is a highly configurable .NET based crypter that delivers a wide range of information stealers.
loader crypter darktortilla
Darktortilla family
darktortilla

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4548-19-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm

Detects Darktortilla crypter. 2 IoCs

resource	yara_rule
behavioral1/memory/2904-5-0x0000000004A70000-0x0000000004AB2000-memory.dmp	darktortilla
behavioral1/memory/4404-15-0x0000000004C40000-0x0000000004C82000-memory.dmp	darktortilla

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\newapp.exe,"	reg.exe

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PowerPoint.lnk	newapp.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PowerPoint.lnk	newapp.exe

Executes dropped EXE 2 IoCs

pid	Process
4404	newapp.exe
4548	newapp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4404 set thread context of 4548	4404	newapp.exe	99

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 9 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	Cotización de Shine, 2 de octubre de 2025.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	newapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	newapp.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1180	cmd.exe
2456	PING.EXE
1408	cmd.exe
5912	PING.EXE
3336	PING.EXE

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
2456	PING.EXE
5912	PING.EXE
3336	PING.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
2904	Cotización de Shine, 2 de octubre de 2025.exe
4404	newapp.exe
4404	newapp.exe
4404	newapp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	Cotización de Shine, 2 de octubre de 2025.exe
Token: SeDebugPrivilege	4404	newapp.exe
Token: SeDebugPrivilege	4548	newapp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1180	2904	Cotización de Shine, 2 de octubre de 2025.exe	83
PID 2904 wrote to memory of 1180	2904	Cotización de Shine, 2 de octubre de 2025.exe	83
PID 2904 wrote to memory of 1180	2904	Cotización de Shine, 2 de octubre de 2025.exe	83
PID 1180 wrote to memory of 2456	1180	cmd.exe	85
PID 1180 wrote to memory of 2456	1180	cmd.exe	85
PID 1180 wrote to memory of 2456	1180	cmd.exe	85
PID 2904 wrote to memory of 1408	2904	Cotización de Shine, 2 de octubre de 2025.exe	86
PID 2904 wrote to memory of 1408	2904	Cotización de Shine, 2 de octubre de 2025.exe	86
PID 2904 wrote to memory of 1408	2904	Cotización de Shine, 2 de octubre de 2025.exe	86
PID 1408 wrote to memory of 5912	1408	cmd.exe	88
PID 1408 wrote to memory of 5912	1408	cmd.exe	88
PID 1408 wrote to memory of 5912	1408	cmd.exe	88
PID 1180 wrote to memory of 2288	1180	cmd.exe	89
PID 1180 wrote to memory of 2288	1180	cmd.exe	89
PID 1180 wrote to memory of 2288	1180	cmd.exe	89
PID 1408 wrote to memory of 3336	1408	cmd.exe	90
PID 1408 wrote to memory of 3336	1408	cmd.exe	90
PID 1408 wrote to memory of 3336	1408	cmd.exe	90
PID 1408 wrote to memory of 4404	1408	cmd.exe	96
PID 1408 wrote to memory of 4404	1408	cmd.exe	96
PID 1408 wrote to memory of 4404	1408	cmd.exe	96
PID 4404 wrote to memory of 4548	4404	newapp.exe	99
PID 4404 wrote to memory of 4548	4404	newapp.exe	99
PID 4404 wrote to memory of 4548	4404	newapp.exe	99
PID 4404 wrote to memory of 4548	4404	newapp.exe	99
PID 4404 wrote to memory of 4548	4404	newapp.exe	99
PID 4404 wrote to memory of 4548	4404	newapp.exe	99
PID 4404 wrote to memory of 4548	4404	newapp.exe	99
PID 4404 wrote to memory of 4548	4404	newapp.exe	99

C:\Users\Admin\AppData\Local\Temp\Cotización de Shine, 2 de octubre de 2025.exe
"C:\Users\Admin\AppData\Local\Temp\Cotización de Shine, 2 de octubre de 2025.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 7 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe,"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 7
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2456
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe,"
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:2288
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 9 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Cotización de Shine, 2 de octubre de 2025.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe" && ping 127.0.0.1 -n 9 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 9
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5912
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 9
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3336
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4404
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4548

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

newapp.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\newapp.exe.log
Size 1KB
SHA256 e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
MD5 84e77a587d94307c0ac1357eb4d3d46f
SHA1 83cc900f9401f43d181207d64c5adba7a85edc1e
SHA512 aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
MD5 SHA1 SHA512

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newapp.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\newapp.exe
Size 448KB
SHA256 4206c4ded33b3137cb67d2013deb8c6d78b4a55fd16d9930904ad548d8802c19
MD5 c9f0f5c54927915dfa5be5898e7afde0
SHA1 8ca33f8f3097d3c3d8d005c0f0060ea9606f93a7
SHA512 aff619924e5fe804c1cbe73bbc3bdc2f0d66589b535a681ffe5a12f914aea3af1cc67937c362df6f94239937e16aac2eec3d4fca8a734c3fda60b4e0b46d2739
SSDEEP 6144:it9Im+XtFgYKXkep2sNbq4TydaFJ1a0nAKVpROuZKcuWr4C4QcdugZAaqy+sDG:it9kdFgX52Ybv2daD1xAKrROu+T
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2904-4-0x0000000004D40000-0x0000000004D50000-memory.dmp

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memory/2904-1-0x0000000005070000-0x0000000005614000-memory.dmp

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memory/2904-0-0x00000000000C0000-0x0000000000136000-memory.dmp

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memory/2904-5-0x0000000004A70000-0x0000000004AB2000-memory.dmp

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memory/2904-6-0x0000000004D20000-0x0000000004D2A000-memory.dmp

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memory/2904-7-0x0000000004D40000-0x0000000004D50000-memory.dmp

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memory/2904-2-0x0000000004B60000-0x0000000004BF2000-memory.dmp

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memory/2904-3-0x0000000004C00000-0x0000000004C9C000-memory.dmp

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memory/4404-14-0x0000000004C30000-0x0000000004C40000-memory.dmp

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memory/4404-16-0x0000000006F00000-0x0000000006F16000-memory.dmp

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memory/4404-17-0x0000000009500000-0x0000000009506000-memory.dmp

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memory/4404-18-0x0000000004C30000-0x0000000004C40000-memory.dmp

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memory/4404-15-0x0000000004C40000-0x0000000004C82000-memory.dmp

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memory/4548-19-0x0000000000400000-0x0000000000416000-memory.dmp

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memory/4548-27-0x00000000064E0000-0x0000000006546000-memory.dmp

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