xtremerat | ed4cc99aa84a00cd4c1937ee762a58c8aa5f79b0889d87fd7aeaa51739066644

General

Target

dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
Size

147KB
MD5

dc9f4b52b7040731fa9b7f2126230f74
SHA1

ba707506840553179332d4cd84266537ff363755
SHA256

ed4cc99aa84a00cd4c1937ee762a58c8aa5f79b0889d87fd7aeaa51739066644
SHA512

fd89603378db446e9b9bfa1e5e80606940d413f3a519a5a69425ec5d0640aaef04460383ce5425dfe4a0fcc5017e01b572adf033dede2cf29af470b8ef76dec7
SSDEEP

3072:FG6lHamrrzT02Zgc8SpFcwTADoNNUBzF6zI/m7LH9HRlLJu:FGcrrzLgvO+wTeoNNun/mNXJu

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

almm.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2132-4-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2132-5-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2132-7-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2132-9-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2772-15-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2132-16-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2772-18-0x0000000000C80000-0x0000000000C93000-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

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\{44A04A7T-R6FY-Y104-2NBQ-148AJLW4Q3WB}	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{44A04A7T-R6FY-Y104-2NBQ-148AJLW4Q3WB}\StubPath = "C:\\Windows\\Microsoft\\win.exe restart"	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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:\\Windows\\Microsoft\\win.exe"	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Microsoft\\win.exe"	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2088 set thread context of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft\win.exe	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
File created	C:\Windows\Microsoft\win.exe	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.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 3 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	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
2772	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2132	2088	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	30
PID 2132 wrote to memory of 2772	2132	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	31
PID 2132 wrote to memory of 2772	2132	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	31
PID 2132 wrote to memory of 2772	2132	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	31
PID 2132 wrote to memory of 2772	2132	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	31
PID 2132 wrote to memory of 2772	2132	dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dc9f4b52b7040731fa9b7f2126230f74_JaffaCakes118.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:2132
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2772

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

memory/2088-0-0x0000000000400000-0x000000000046C150-memory.dmp

Filesize
432KB

Download
memory/2088-3-0x00000000025A0000-0x000000000260D000-memory.dmp

Filesize
436KB

Download
memory/2088-8-0x0000000000400000-0x000000000046C150-memory.dmp

Filesize
432KB

Download
memory/2132-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2132-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2132-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2132-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2132-16-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2772-13-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2772-15-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2772-18-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads