xtremerat | 93de40e35d13e353b61b3b8c6a2f2201d5cb2e150816f3e271334d1761883bf2

General

Target

dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe
Size

54KB
MD5

dfed61261bd1ea9fe9e18a39e558f556
SHA1

f58968cdc882c4d68e4963bd000b0559d31b5782
SHA256

93de40e35d13e353b61b3b8c6a2f2201d5cb2e150816f3e271334d1761883bf2
SHA512

f4b21fb33c5a1fb9ec6544076329eb410c94a7561e6cdcd8484f49f09e191f3d991a42f5352c0a2d2f3bbc83b38c21847a463cfba1e93e8c2d3643ff119f83d0
SSDEEP

1536:7IsFw9veVy8Zwbzc/W3kOT2iXDOTCOT4:7tFw9WVnkzEwKiX6j

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2380-3-0x0000000000C80000-0x0000000000CA6000-memory.dmp	family_xtremerat
behavioral1/memory/2204-10-0x0000000000C80000-0x0000000000CA6000-memory.dmp	family_xtremerat
behavioral1/memory/2380-11-0x0000000000C80000-0x0000000000CA6000-memory.dmp	family_xtremerat
behavioral1/memory/2204-13-0x0000000000C80000-0x0000000000CA6000-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
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart"	dfed61261bd1ea9fe9e18a39e558f556_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:\\Program Files (x86)\\InstallDir\\Server.exe"	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe"	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-0-0x0000000000C80000-0x0000000000CA6000-memory.dmp	upx
behavioral1/memory/2380-3-0x0000000000C80000-0x0000000000CA6000-memory.dmp	upx
behavioral1/memory/2204-10-0x0000000000C80000-0x0000000000CA6000-memory.dmp	upx
behavioral1/memory/2380-11-0x0000000000C80000-0x0000000000CA6000-memory.dmp	upx
behavioral1/memory/2204-13-0x0000000000C80000-0x0000000000CA6000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\InstallDir\Server.exe	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe
File created	C:\Program Files (x86)\InstallDir\Server.exe	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\InstallDir\	dfed61261bd1ea9fe9e18a39e558f556_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	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2204	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2204	2380	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2204	2380	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2204	2380	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2204	2380	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2204	2380	dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dfed61261bd1ea9fe9e18a39e558f556_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2204

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2204-10-0x0000000000C80000-0x0000000000CA6000-memory.dmp

Filesize
152KB

Download
memory/2204-8-0x0000000000C80000-0x0000000000CA6000-memory.dmp

Filesize
152KB

Download
memory/2204-13-0x0000000000C80000-0x0000000000CA6000-memory.dmp

Filesize
152KB

Download
memory/2380-0-0x0000000000C80000-0x0000000000CA6000-memory.dmp

Filesize
152KB

Download
memory/2380-3-0x0000000000C80000-0x0000000000CA6000-memory.dmp

Filesize
152KB

Download
memory/2380-11-0x0000000000C80000-0x0000000000CA6000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads