xtremerat | 3f5135b7d88a6ff4897fe59a8d731db02bab552238e84d37ac9c4f1b994b64a4

General

Target

JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe
Size

21KB
MD5

41be7aa210952457b9031be6e84ebf2d
SHA1

146860ff9ff4de3cc56b79b5c98fc6fa147a6888
SHA256

3f5135b7d88a6ff4897fe59a8d731db02bab552238e84d37ac9c4f1b994b64a4
SHA512

f594b4826353723f5e083b1f30043e9d58fe49cf6d87e13b1c9cbc95cbf04aa35a76df835cdadefaed0dda9e1fe925b5e94601508b14a62749850966fe4b0831
SSDEEP

384:IdIdmF+Ti213fEF9QZd/cBr5M/gOjkaS4s/1k5YiZNlApQ461xR/AcUVspLR:uIsF81fG9QveLOYTe5Yi2pQH7eV8

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

vipahmed.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3888-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3780-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3888-8-0x0000000000C80000-0x0000000000C96000-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 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\{04JF32U6-S125-6A84-1J18-5YHKH00E30Y3}	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{04JF32U6-S125-6A84-1J18-5YHKH00E30Y3}\StubPath = "C:\\Windows\\system\\Server.exe restart"	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.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\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system\\Server.exe"	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system\\Server.exe"	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3780-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3888-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3780-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3888-8-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\Server.exe	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe
File created	C:\Windows\system\Server.exe	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.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	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3888	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 2904	3780	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe	83
PID 3780 wrote to memory of 2904	3780	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe	83
PID 3780 wrote to memory of 2904	3780	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe	83
PID 3780 wrote to memory of 3888	3780	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe	84
PID 3780 wrote to memory of 3888	3780	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe	84
PID 3780 wrote to memory of 3888	3780	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe	84
PID 3780 wrote to memory of 3888	3780	JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41be7aa210952457b9031be6e84ebf2d.exe"
1⤵
- 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:3780
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2904
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3888

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

memory/3780-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3780-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3888-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3888-8-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads