xtremerat | 673f296dabec3508ab4fceb56ddeebf60de0a64b036cb4148cbf0186252329df

General

Target

JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe
Size

121KB
MD5

5f196fc3bd4b0e264c3eac02488f7ff2
SHA1

a3e8d91b30bb66d6d7fecf859ae1f74f7c669614
SHA256

673f296dabec3508ab4fceb56ddeebf60de0a64b036cb4148cbf0186252329df
SHA512

c4b728b6156ed2cb15b2ef91f00256ba35db3c03e711980e4d94e861062dc7ebd193d5455955b2f0402ff572020b8673cd403e6b8e0629ecc5a0b9f41f44b817
SSDEEP

3072:7nZvNCi3axsajFVfHfffff3HhffffffffDfz:MLN

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
behavioral2/memory/608-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3000-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3508-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/608-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3508-15-0x0000000000C80000-0x0000000000C96000-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
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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.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_5f196fc3bd4b0e264c3eac02488f7ff2.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	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\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.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-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/608-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/608-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/608-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/608-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3000-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3508-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/608-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3508-15-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.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	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe
3508	explorer.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 3052 wrote to memory of 608	3052	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	84
PID 608 wrote to memory of 3000	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	86
PID 608 wrote to memory of 3000	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	86
PID 608 wrote to memory of 3000	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	86
PID 608 wrote to memory of 3000	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	86
PID 608 wrote to memory of 3508	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	87
PID 608 wrote to memory of 3508	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	87
PID 608 wrote to memory of 3508	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	87
PID 608 wrote to memory of 3508	608	JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f196fc3bd4b0e264c3eac02488f7ff2.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:608
- - 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:3000
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3508

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
121KB

MD5
5f196fc3bd4b0e264c3eac02488f7ff2

SHA1
a3e8d91b30bb66d6d7fecf859ae1f74f7c669614

SHA256
673f296dabec3508ab4fceb56ddeebf60de0a64b036cb4148cbf0186252329df

SHA512
c4b728b6156ed2cb15b2ef91f00256ba35db3c03e711980e4d94e861062dc7ebd193d5455955b2f0402ff572020b8673cd403e6b8e0629ecc5a0b9f41f44b817

Download Submit
memory/608-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/608-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/608-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/608-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/608-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3000-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3508-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3508-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads