xtremerat | ec9aa17f8ef9a490e2c82d526d692b31a0d4b481645c120c8430b615af4a1e62

General

Target

JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe
Size

26KB
MD5

0d34f8bec6bc936c516bcdc21ac7507d
SHA1

062d1b7bd54222b8a8aa7cafd9826db6d3a02f84
SHA256

ec9aa17f8ef9a490e2c82d526d692b31a0d4b481645c120c8430b615af4a1e62
SHA512

5c4dfc4beae50ede1655f536bfd39f3c03059fcb83776021060b78e057c046d5dc41ae87a396b6b8ebfc3d22bfa19437c86f548992464b82b065e2dbc5c5026b
SSDEEP

384:mpj7eNmfp+UrM8j3Mk8mw2Qwz9cEVWNuOuuOYPq8P9iYwbzu7ExgE7WStr3:jmfpbM8j8wQwz9caAuxYyuZExXf

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/3052-7-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2084-11-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2072-21-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2084-24-0x0000000013140000-0x000000001315F000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2476	cmd.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:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2072-0-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/3052-7-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/files/0x00080000000173fb-8.dat	upx
behavioral1/memory/2084-11-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2072-21-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2084-24-0x0000000013140000-0x000000001315F000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe
File opened for modification	C:\Windows\InstallDir\	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.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 5 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_0d34f8bec6bc936c516bcdc21ac7507d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2084	notepad.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3052	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	30
PID 2072 wrote to memory of 3052	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	30
PID 2072 wrote to memory of 3052	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	30
PID 2072 wrote to memory of 3052	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	30
PID 2072 wrote to memory of 3052	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	30
PID 2072 wrote to memory of 2084	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	31
PID 2072 wrote to memory of 2084	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	31
PID 2072 wrote to memory of 2084	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	31
PID 2072 wrote to memory of 2084	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	31
PID 2072 wrote to memory of 2084	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	31
PID 2072 wrote to memory of 2476	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	32
PID 2072 wrote to memory of 2476	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	32
PID 2072 wrote to memory of 2476	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	32
PID 2072 wrote to memory of 2476	2072	JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe	32
PID 2476 wrote to memory of 2764	2476	cmd.exe	34
PID 2476 wrote to memory of 2764	2476	cmd.exe	34
PID 2476 wrote to memory of 2764	2476	cmd.exe	34
PID 2476 wrote to memory of 2764	2476	cmd.exe	34

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2764	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe"
1⤵
- 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:2072
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2084
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\SelfDelete.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\attrib.exe
    attrib -A -S -H "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d34f8bec6bc936c516bcdc21ac7507d.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2764

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

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:\Users\Admin\AppData\Local\Temp\SelfDelete.bat

Filesize
368B

MD5
b984d3680b369e16556628acd9f704e9

SHA1
792a9366880f31ecb6bd8b2b59af8c6c83978403

SHA256
590e2b11698d351e1730f7977d3d433ae17adc018c2f73c049a5479296b097cd

SHA512
3dbacfb1084ea3dd35e23bd037a4c460b8e3a1d28e120ab9caea7ab9caae98a1ef57f6557beca83e17c04c6f78c9cf36677aa27be03d91806bae3d410b7d9d8c

Download Submit
C:\Windows\InstallDir\Server.exe

Filesize
26KB

MD5
0d34f8bec6bc936c516bcdc21ac7507d

SHA1
062d1b7bd54222b8a8aa7cafd9826db6d3a02f84

SHA256
ec9aa17f8ef9a490e2c82d526d692b31a0d4b481645c120c8430b615af4a1e62

SHA512
5c4dfc4beae50ede1655f536bfd39f3c03059fcb83776021060b78e057c046d5dc41ae87a396b6b8ebfc3d22bfa19437c86f548992464b82b065e2dbc5c5026b

Download Submit
memory/2072-0-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2072-21-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2084-11-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2084-24-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/3052-5-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/3052-7-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads