xtremerat | 58de042459482f23ac84b89d9bf27c37ca448aaf2e8c6dd8f66cac33ae27b27e

General

Target

9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
Size

702KB
MD5

9d161a64501f679b04f29384f21d74eb
SHA1

a04e0435ae25e740ce9de37e472af8dd028de6eb
SHA256

58de042459482f23ac84b89d9bf27c37ca448aaf2e8c6dd8f66cac33ae27b27e
SHA512

5910a1bc761bb5af9988e995caf6e5d6a4c80b642df9c80a00d723c8bd371f28a62031273b10e48775773ea9cfdc834ca6ad2aa6ea4011ba897237c8699e28f6
SSDEEP

12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCc6K:uRmJkcoQricOIQxiZY1iaCcr

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

gonaz.no-ip.biz

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/1640-7-0x00000000000D0000-0x00000000000E3000-memory.dmp	family_xtremerat
behavioral2/memory/1640-8-0x00000000000D0000-0x00000000000E3000-memory.dmp	family_xtremerat
behavioral2/memory/1640-9-0x00000000000D0000-0x00000000000E3000-memory.dmp	family_xtremerat
behavioral2/memory/1640-10-0x00000000000D0000-0x00000000000E3000-memory.dmp	family_xtremerat
behavioral2/memory/1980-14-0x00000000000D0000-0x00000000000E3000-memory.dmp	family_xtremerat
behavioral2/memory/4964-16-0x00000000000D0000-0x00000000000E3000-memory.dmp	family_xtremerat
behavioral2/memory/1640-17-0x00000000000D0000-0x00000000000E3000-memory.dmp	family_xtremerat
behavioral2/memory/4964-19-0x00000000000D0000-0x00000000000E3000-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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{26454M04-0800-AC51-J7YD-4QX484W01L76}\StubPath = "C:\\Windows\\system32\\runtime\\Server.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{26454M04-0800-AC51-J7YD-4QX484W01L76}	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{26454M04-0800-AC51-J7YD-4QX484W01L76}\StubPath = "C:\\Windows\\system32\\runtime\\Server.exe restart"	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{26454M04-0800-AC51-J7YD-4QX484W01L76}	svchost.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\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Windows\\system32\\runtime\\Server.exe"	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Windows\\system32\\runtime\\Server.exe"	svchost.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023b90-15.dat	autoit_exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\runtime\Server.exe	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\runtime\Server.exe	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3296 set thread context of 1640	3296	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	83

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	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4964	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 1640	3296	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	83
PID 3296 wrote to memory of 1640	3296	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	83
PID 3296 wrote to memory of 1640	3296	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	83
PID 3296 wrote to memory of 1640	3296	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	83
PID 3296 wrote to memory of 1640	3296	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	83
PID 1640 wrote to memory of 1980	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	84
PID 1640 wrote to memory of 1980	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	84
PID 1640 wrote to memory of 1980	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	84
PID 1640 wrote to memory of 1980	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	84
PID 1640 wrote to memory of 4964	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	85
PID 1640 wrote to memory of 4964	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	85
PID 1640 wrote to memory of 4964	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	85
PID 1640 wrote to memory of 4964	1640	9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3296
- C:\Users\Admin\AppData\Local\Temp\9d161a64501f679b04f29384f21d74eb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9d161a64501f679b04f29384f21d74eb_JaffaCakes118.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:1640
- - 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:1980
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4964

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\runtime\Server.exe

Filesize
702KB

MD5
9d161a64501f679b04f29384f21d74eb

SHA1
a04e0435ae25e740ce9de37e472af8dd028de6eb

SHA256
58de042459482f23ac84b89d9bf27c37ca448aaf2e8c6dd8f66cac33ae27b27e

SHA512
5910a1bc761bb5af9988e995caf6e5d6a4c80b642df9c80a00d723c8bd371f28a62031273b10e48775773ea9cfdc834ca6ad2aa6ea4011ba897237c8699e28f6

Download Submit
memory/1640-7-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download
memory/1640-8-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download
memory/1640-9-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download
memory/1640-10-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download
memory/1640-17-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download
memory/1980-14-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download
memory/4964-16-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download
memory/4964-19-0x00000000000D0000-0x00000000000E3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads