xtremerat | 14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa

General

Target

JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe
Size

170KB
MD5

a79476d5858ad853bdc29614261fb19f
SHA1

f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a
SHA256

14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa
SHA512

9cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148
SSDEEP

3072:zKEKmrDUskUVIKkAX/0L0rZmm1sJmvxHfi/R1+aJe1mgawzxsBub861jIHxownLj:zKE5IIL7JnYRUTV5nLrQLulIGsZ

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/4200-2-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/4200-4-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/4200-5-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/4200-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3256-10-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3232-12-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/4200-13-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3232-15-0x0000000000C80000-0x0000000000C93000-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
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\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}\StubPath = "C:\\Windows\\system32\\microsoft\\xtreme.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}\StubPath = "C:\\Windows\\system32\\microsoft\\xtreme.exe restart"	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\microsoft\xtreme.exe	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe
File created	C:\Windows\SysWOW64\microsoft\xtreme.exe	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4560 set thread context of 4200	4560	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	84

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4560-1-0x00000000005D0000-0x00000000005DD000-memory.dmp	upx
behavioral2/memory/4560-0-0x00000000005D0000-0x00000000005DD000-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	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3232	notepad.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 4200	4560	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	84
PID 4560 wrote to memory of 4200	4560	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	84
PID 4560 wrote to memory of 4200	4560	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	84
PID 4560 wrote to memory of 4200	4560	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	84
PID 4560 wrote to memory of 4200	4560	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	84
PID 4200 wrote to memory of 3256	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	85
PID 4200 wrote to memory of 3256	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	85
PID 4200 wrote to memory of 3256	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	85
PID 4200 wrote to memory of 3256	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	85
PID 4200 wrote to memory of 3232	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	86
PID 4200 wrote to memory of 3232	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	86
PID 4200 wrote to memory of 3232	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	86
PID 4200 wrote to memory of 3232	4200	JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a79476d5858ad853bdc29614261fb19f.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4200
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - System Location Discovery: System Language Discovery
    PID:3256
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Defense Evasion

Modify Registry

1

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\microsoft\xtreme.exe

Filesize
170KB

MD5
a79476d5858ad853bdc29614261fb19f

SHA1
f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a

SHA256
14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa

SHA512
9cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148

Download Submit
memory/3232-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3232-15-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3256-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4200-2-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4200-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4200-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4200-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4200-13-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4560-1-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/4560-0-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/4560-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads