xtremerat | 42e83c904f3c430d7fb008dd4d7e599c2965d51f1f11fddde91cb41ed3c9563c

General

Target

JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Size

126KB
MD5

b3338f0b3999f08d48e19a89fc45e311
SHA1

2899496275e0caff09b70f32bb041918b3e5b0d1
SHA256

42e83c904f3c430d7fb008dd4d7e599c2965d51f1f11fddde91cb41ed3c9563c
SHA512

595bfebbc62bdd7c346528b4ef075353cea998228daeb1d9286ef6e5e08683976fcd21e888d5da28bbb2911e5140d6c65f826ce4c95610bbfc818ed1039abc21
SSDEEP

1536:dpqoQUMtCdP+iibnf90jLXlC7zKl36h6G0pxoBwPU1s1wTKFJR18T2hz6Ziezbay:TCtU+tbfvA36YFpxKM6TMaQ6ZW62Up

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

Hack3r.zapto.org

Signatures

Detect XtremeRAT payload 13 IoCs

resource	yara_rule
behavioral1/memory/3140-1-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-10-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-4-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-7-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-11-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-12-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-2-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/5612-16-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/4128-17-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/3140-18-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/4128-20-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe

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

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Java = "C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Java = "C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe

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\{M12A15WV-D5M6-7ER8-2Y58-T187J1Q06FOY}	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{M12A15WV-D5M6-7ER8-2Y58-T187J1Q06FOY}\StubPath = "C:\\Java\\Java.exe restart"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe

Deletes itself 1 IoCs

pid	Process
5612	explorer.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Java = "C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Java = "C:\\Java\\Java.exe"	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5480 set thread context of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93

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_b3338f0b3999f08d48e19a89fc45e311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4128	explorer.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 5480 wrote to memory of 3140	5480	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	93
PID 3140 wrote to memory of 3920	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	94
PID 3140 wrote to memory of 3920	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	94
PID 3140 wrote to memory of 4128	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	95
PID 3140 wrote to memory of 4128	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	95
PID 3140 wrote to memory of 4128	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	95
PID 3140 wrote to memory of 5612	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	96
PID 3140 wrote to memory of 5612	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	96
PID 3140 wrote to memory of 5612	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	96
PID 3140 wrote to memory of 5612	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	96
PID 3140 wrote to memory of 4128	3140	JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5480
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3338f0b3999f08d48e19a89fc45e311.exe
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3140
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3920
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4128
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:5612

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

4

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/3140-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-1-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-18-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-2-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3140-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4128-17-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4128-20-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/5480-0-0x0000000023240000-0x0000000023257000-memory.dmp

Filesize
92KB

Download
memory/5480-21-0x0000000023240000-0x0000000023257000-memory.dmp

Filesize
92KB

Download
memory/5612-16-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads