xtremerat | 238735f88d2598db00d2fa784866b040554759c5edc221784b0e46d3718f430c

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 17:20

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General

Target

c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
Size

45KB
MD5

c8b199a06be1c87cff83ccc1c316431a
SHA1

fb719288cbeaa144d5026fcfca4cfc1e0bb3a338
SHA256

238735f88d2598db00d2fa784866b040554759c5edc221784b0e46d3718f430c
SHA512

74d0b4ba78079990c6997badd3e90ec4f1107540303a12398987d6bb186a0d982db39408a8a19488c93da310565a63fccbc3954851ee2001bf5ceeed64447233
SSDEEP

768:9BL+tjFY90iY6W1jAzDzKgEFQXaklMIAnH8hwfOgw08pzo5J:jSRh31j4PEFQXak+H84bso5J

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

namehost.dyndns.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1236-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/1940-7-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/1236-9-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart"	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\wbem\\xml.exe"	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe"	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wbem\xml.exe	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wbem\xml.exe	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wbem\	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe

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 2 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	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1236	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1236	1940	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe	83
PID 1940 wrote to memory of 1236	1940	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe	83
PID 1940 wrote to memory of 1236	1940	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe	83
PID 1940 wrote to memory of 1236	1940	c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1236-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/1236-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/1940-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads