xtremerat | dd284168155ae820d4754d366c9adab64c3b8f15bb7c5fa1de3a762d0314047c

General

Target

JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
Size

132KB
MD5

5b9631be2bb7ecccc3176d22206d887a
SHA1

514676489ea5556aaf4f40e115b7ba810a351029
SHA256

dd284168155ae820d4754d366c9adab64c3b8f15bb7c5fa1de3a762d0314047c
SHA512

854b5c2825f941098734239b802c0322533e4414ba4e89f338d0c0867c0b202930e29f0c99b401d66c0a101cefd03eb6276bf82832140e9c5137655db5b0df22
SSDEEP

1536:eHfA6wKBZbryh0Vttv+7MZ8cyu90AjZF:+I4tvKRAjf

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ayada.no-ip.info

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2368-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2388-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1864-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2368-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1864-19-0x0000000000C80000-0x0000000000C96000-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 4 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
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	svchost.exe

Adds Run key to start application 2 TTPs 4 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\\InstallDir\\Server.exe"	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2368-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2388-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1864-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1864-19-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.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 4 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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
1864	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2496 wrote to memory of 2368	2496	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	30
PID 2368 wrote to memory of 2388	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	31
PID 2368 wrote to memory of 2388	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	31
PID 2368 wrote to memory of 2388	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	31
PID 2368 wrote to memory of 2388	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	31
PID 2368 wrote to memory of 2388	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	31
PID 2368 wrote to memory of 1864	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	32
PID 2368 wrote to memory of 1864	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	32
PID 2368 wrote to memory of 1864	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	32
PID 2368 wrote to memory of 1864	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	32
PID 2368 wrote to memory of 1864	2368	JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b9631be2bb7ecccc3176d22206d887a.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2388
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

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:\Windows\InstallDir\Server.exe

Filesize
132KB

MD5
5b9631be2bb7ecccc3176d22206d887a

SHA1
514676489ea5556aaf4f40e115b7ba810a351029

SHA256
dd284168155ae820d4754d366c9adab64c3b8f15bb7c5fa1de3a762d0314047c

SHA512
854b5c2825f941098734239b802c0322533e4414ba4e89f338d0c0867c0b202930e29f0c99b401d66c0a101cefd03eb6276bf82832140e9c5137655db5b0df22

Download Submit
memory/1864-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1864-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-17-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2388-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2388-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads