xtremerat | aaed356473987345e6cd12d10853ef6164b1d33a82d7cc56fdf51e1afe8e3388

General

Target

JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe
Size

852KB
MD5

b9680879e6419bd4793c8b55adcd660c
SHA1

5c6f87fdf4f456aabab345d80d2eb4f220310e39
SHA256

aaed356473987345e6cd12d10853ef6164b1d33a82d7cc56fdf51e1afe8e3388
SHA512

a9dc90cfb715fd9f29babc00b63f2303aa916c65443d2d958f5fc2a7002b9c4b6f63f5295cc5cf66a1b16ad0c33e8aa7b3a07a9e4687cfcdb9f8dadaa9479452
SSDEEP

6144:Xaxi4g/Lp2xNswnIgK54IQzeeeL4/Qn6nIgK54IQzeeeL4/:KxNoLp2xN3IgKKM4Yn6IgKKM4

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/1868-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1868-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2112-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2672-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1868-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2672-19-0x0000000000C80000-0x0000000000C96000-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
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{046OHQQT-VN31-8XQ4-0437-CT54H1012041}	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.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_b9680879e6419bd4793c8b55adcd660c.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 3020 set thread context of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1868-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1868-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1868-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1868-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2112-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2672-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1868-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2672-19-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.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_b9680879e6419bd4793c8b55adcd660c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe
2672	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 3020 wrote to memory of 1868	3020	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	30
PID 1868 wrote to memory of 2112	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	31
PID 1868 wrote to memory of 2112	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	31
PID 1868 wrote to memory of 2112	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	31
PID 1868 wrote to memory of 2112	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	31
PID 1868 wrote to memory of 2112	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	31
PID 1868 wrote to memory of 2672	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	32
PID 1868 wrote to memory of 2672	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	32
PID 1868 wrote to memory of 2672	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	32
PID 1868 wrote to memory of 2672	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	32
PID 1868 wrote to memory of 2672	1868	JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.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:1868
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - System Location Discovery: System Language Discovery
    PID:2112
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2672

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
852KB

MD5
b9680879e6419bd4793c8b55adcd660c

SHA1
5c6f87fdf4f456aabab345d80d2eb4f220310e39

SHA256
aaed356473987345e6cd12d10853ef6164b1d33a82d7cc56fdf51e1afe8e3388

SHA512
a9dc90cfb715fd9f29babc00b63f2303aa916c65443d2d958f5fc2a7002b9c4b6f63f5295cc5cf66a1b16ad0c33e8aa7b3a07a9e4687cfcdb9f8dadaa9479452

Download Submit
memory/1868-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1868-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1868-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1868-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1868-17-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2112-11-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2112-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2672-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2672-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads