xtremerat | 07e1821f25247fe00077540c9ea9ddead92e91c40bc58be5c9962c38107802e8

General

Target

JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
Size

192KB
MD5

346c6012a915bd9991f5bd367b5ddaed
SHA1

5fede2bbaf4fffcaf6113c62cb7cb1d830b7926b
SHA256

07e1821f25247fe00077540c9ea9ddead92e91c40bc58be5c9962c38107802e8
SHA512

03e53c1c589e1e041beb72dcfd69bfa10c6b4d447311edd96ade63028b60136f4d9f739f84a9e93c6cd5f348bea08bf740bd81d80fb7e09708a4360ba41c3c49
SSDEEP

3072:qezNcARiXE1d+1mfA69pOevJtNx1FMPKGzaWrskkkPKF8/Gcv:q248pOextNx1

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3388-5-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3548-12-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4348-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3388-15-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4348-17-0x0000000000C80000-0x0000000000C95000-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 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\update.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\update.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\update.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4492 set thread context of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3388-2-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3388-4-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3388-5-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3388-6-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3548-12-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4348-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3388-15-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4348-17-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\update.exe	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
File created	C:\Windows\InstallDir\update.exe	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
4348	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 4492 wrote to memory of 3388	4492	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	82
PID 3388 wrote to memory of 3548	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	83
PID 3388 wrote to memory of 3548	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	83
PID 3388 wrote to memory of 3548	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	83
PID 3388 wrote to memory of 3548	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	83
PID 3388 wrote to memory of 4348	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	84
PID 3388 wrote to memory of 4348	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	84
PID 3388 wrote to memory of 4348	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	84
PID 3388 wrote to memory of 4348	3388	JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3388
- - 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:3548
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4348

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\InstallDir\update.exe

Filesize
192KB

MD5
346c6012a915bd9991f5bd367b5ddaed

SHA1
5fede2bbaf4fffcaf6113c62cb7cb1d830b7926b

SHA256
07e1821f25247fe00077540c9ea9ddead92e91c40bc58be5c9962c38107802e8

SHA512
03e53c1c589e1e041beb72dcfd69bfa10c6b4d447311edd96ade63028b60136f4d9f739f84a9e93c6cd5f348bea08bf740bd81d80fb7e09708a4360ba41c3c49

Download Submit
memory/3388-2-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3388-4-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3388-5-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3388-6-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3388-15-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3548-12-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4348-14-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4348-17-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads