xtremerat | b2205bf1ac85b2cfec1f6510570b0fd3af3f87ca30f121dd77cf4176030924ce

General

Target

JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
Size

195KB
MD5

9dcdbb8d868ab09f3cf874282cae7dfc
SHA1

7d40bf0f6ff872aead26a766fe59002f35c2b372
SHA256

b2205bf1ac85b2cfec1f6510570b0fd3af3f87ca30f121dd77cf4176030924ce
SHA512

77821fb4992b6cdefd121a3db32a0067f7155a6142fcbb7e3229134b72d708a599721bf73cfded5eba911b9adfa398a3d46f8f1595e98b33ca217ceb031f170a
SSDEEP

3072:yHpFKExTudqXHNEak3sMuRDx+76nRwGvT3OvN4W8APtV2i:cFKExDRk3sbRV+76nS3vN8gQi

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/4964-5-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4964-6-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/2928-12-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/64-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4964-15-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/64-17-0x0000000000C80000-0x0000000000C95000-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\{ALF74GD4-1L5C-75WV-YG15-0S7007NB3E77}	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ALF74GD4-1L5C-75WV-YG15-0S7007NB3E77}\StubPath = "C:\\Windows\\system32\\hacker\\win32.exe restart"	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{ALF74GD4-1L5C-75WV-YG15-0S7007NB3E77}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ALF74GD4-1L5C-75WV-YG15-0S7007NB3E77}\StubPath = "C:\\Windows\\system32\\hacker\\win32.exe"	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-1-5-21-4003209913-3868522715-854928974-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\hacker\\win32.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\hacker\\win32.exe"	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\hacker\\win32.exe"	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\hacker\\win32.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\hacker\win32.exe	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
File created	C:\Windows\SysWOW64\hacker\win32.exe	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4980 set thread context of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4964-2-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4964-4-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4964-5-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4964-6-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/2928-12-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/64-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4964-15-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/64-17-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx

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_9dcdbb8d868ab09f3cf874282cae7dfc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
64	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4980 wrote to memory of 4964	4980	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	84
PID 4964 wrote to memory of 2928	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	86
PID 4964 wrote to memory of 2928	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	86
PID 4964 wrote to memory of 2928	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	86
PID 4964 wrote to memory of 2928	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	86
PID 4964 wrote to memory of 64	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	88
PID 4964 wrote to memory of 64	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	88
PID 4964 wrote to memory of 64	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	88
PID 4964 wrote to memory of 2452	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	89
PID 4964 wrote to memory of 2452	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	89
PID 4964 wrote to memory of 2452	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	89
PID 4964 wrote to memory of 64	4964	JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9dcdbb8d868ab09f3cf874282cae7dfc.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4964
- - 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:2928
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:64
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2452

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\SysWOW64\hacker\win32.exe

Filesize
195KB

MD5
9dcdbb8d868ab09f3cf874282cae7dfc

SHA1
7d40bf0f6ff872aead26a766fe59002f35c2b372

SHA256
b2205bf1ac85b2cfec1f6510570b0fd3af3f87ca30f121dd77cf4176030924ce

SHA512
77821fb4992b6cdefd121a3db32a0067f7155a6142fcbb7e3229134b72d708a599721bf73cfded5eba911b9adfa398a3d46f8f1595e98b33ca217ceb031f170a

Download Submit
memory/64-14-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/64-17-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2928-12-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4964-2-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4964-4-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4964-5-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4964-6-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4964-15-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads