xtremerat | da2bade5f06af31f40e10667d46ac85dcff3dcefff00667ea681d47a21edc4a4

General

Target

JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe
Size

126KB
MD5

0303298d95bb883fbebe3f2eca899cc3
SHA1

a8767bfc15f4669b524f3f5e48fc3e528189332c
SHA256

da2bade5f06af31f40e10667d46ac85dcff3dcefff00667ea681d47a21edc4a4
SHA512

73ee205ae1458afb993293fa5df5206a7e28cb9a30d624f5bbad465f8588c8881f2a9771bcd40bb3563290fcbf760c24b61582e650b54e3c0d8f546668124df3
SSDEEP

1536:lHfA6wKBZbryh0Vttv+7MZ8cyu90AjZN:7I4tvKRAjn

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/1708-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2484-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2504-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1708-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2504-19-0x0000000000C80000-0x0000000000C96000-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
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_0303298d95bb883fbebe3f2eca899cc3.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_0303298d95bb883fbebe3f2eca899cc3.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1708-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1708-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1708-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1708-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2484-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2504-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1708-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2504-19-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.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_0303298d95bb883fbebe3f2eca899cc3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.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
1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe
2504	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1628 wrote to memory of 1708	1628	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	30
PID 1708 wrote to memory of 2484	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	31
PID 1708 wrote to memory of 2484	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	31
PID 1708 wrote to memory of 2484	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	31
PID 1708 wrote to memory of 2484	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	31
PID 1708 wrote to memory of 2484	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	31
PID 1708 wrote to memory of 2504	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	32
PID 1708 wrote to memory of 2504	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	32
PID 1708 wrote to memory of 2504	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	32
PID 1708 wrote to memory of 2504	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	32
PID 1708 wrote to memory of 2504	1708	JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0303298d95bb883fbebe3f2eca899cc3.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:1708
- - 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:2484
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2504

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
126KB

MD5
0303298d95bb883fbebe3f2eca899cc3

SHA1
a8767bfc15f4669b524f3f5e48fc3e528189332c

SHA256
da2bade5f06af31f40e10667d46ac85dcff3dcefff00667ea681d47a21edc4a4

SHA512
73ee205ae1458afb993293fa5df5206a7e28cb9a30d624f5bbad465f8588c8881f2a9771bcd40bb3563290fcbf760c24b61582e650b54e3c0d8f546668124df3

Download Submit
memory/1708-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1708-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1708-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1708-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1708-17-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2484-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2484-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2504-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2504-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads