xtremerat | e46911584344ce1bacc7da13d6d0961ea26b23711bbf711b92c68ca19ae9d22d

General

Target

JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe
Size

260KB
MD5

e3a80c6369ba9577bcff2d009d71cb32
SHA1

0af15d482403c0783051804a1344bffadf981e2b
SHA256

e46911584344ce1bacc7da13d6d0961ea26b23711bbf711b92c68ca19ae9d22d
SHA512

0f39bc60be872a6cc94573b433d37ac59f7afadf3281aaca6cc15452b69914af77f223da13a2a8424d4db7d6752e35d652ca6ec9d35eaf39535ecede7b8778eb
SSDEEP

1536:/DWY2LVp5mH+V77dC/nLpMbt41HP4nLNTBjO/4jExtKeJr5Fwna:aY2xis7dC/LpKOGxkwYSsrona

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ayada.dyndns.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2224-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2224-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2192-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2936-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2224-18-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2936-20-0x0000000000C80000-0x0000000000C96000-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\{046OHQQT-VN31-8XQ4-0437-CT54H1012041}	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{046OHQQT-VN31-8XQ4-0437-CT54H1012041}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{046OHQQT-VN31-8XQ4-0437-CT54H1012041}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{046OHQQT-VN31-8XQ4-0437-CT54H1012041}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2224-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2224-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2224-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2224-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2192-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2936-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2224-18-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2936-20-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.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_e3a80c6369ba9577bcff2d009d71cb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe
2936	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 1628 wrote to memory of 2224	1628	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	30
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	31
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	31
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	31
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	31
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	31
PID 2224 wrote to memory of 2936	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	32
PID 2224 wrote to memory of 2936	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	32
PID 2224 wrote to memory of 2936	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	32
PID 2224 wrote to memory of 2936	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	32
PID 2224 wrote to memory of 2936	2224	JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e3a80c6369ba9577bcff2d009d71cb32.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_e3a80c6369ba9577bcff2d009d71cb32.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - System Location Discovery: System Language Discovery
    PID:2192
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Defense Evasion

Modify Registry

1

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
260KB

MD5
e3a80c6369ba9577bcff2d009d71cb32

SHA1
0af15d482403c0783051804a1344bffadf981e2b

SHA256
e46911584344ce1bacc7da13d6d0961ea26b23711bbf711b92c68ca19ae9d22d

SHA512
0f39bc60be872a6cc94573b433d37ac59f7afadf3281aaca6cc15452b69914af77f223da13a2a8424d4db7d6752e35d652ca6ec9d35eaf39535ecede7b8778eb

Download Submit
memory/2192-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2192-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2224-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2224-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2224-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2224-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2224-18-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2936-17-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2936-20-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads