xtremerat | 2a63fac1b740b9c448c6cb7b37f9c32af84561477fbc73169721a53a51d12d7e

General

Target

JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe
Size

45KB
MD5

78fd7d9ddff82d6e85974e1e4c87f34c
SHA1

289a69426640d592a86c3c1826a04535b779d92f
SHA256

2a63fac1b740b9c448c6cb7b37f9c32af84561477fbc73169721a53a51d12d7e
SHA512

f46e8be944250fbb1e1eea8145301bc2c48365a0919c485bdc81a327acdf39526218c32a6596d30f828fb61abebdb80c39a1f3ee8fd8b12088eaadb1d8471c74
SSDEEP

768:9Br+tjFY90iY6W1jwmDzKgEFQXaklMIAnH8hwfOgw0cpzoWnJ:jyRh31jxPEFQXak+H84bYoWnJ

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

zerovnh.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2740-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2736-7-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2740-9-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2740-10-0x0000000000C80000-0x0000000000C93000-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 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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\java\\cmd.exe restart"	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.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\\java\\cmd.exe"	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\java\\cmd.exe"	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java\cmd.exe	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe
File created	C:\Windows\java\cmd.exe	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe
File opened for modification	C:\Windows\java\	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.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 2 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_78fd7d9ddff82d6e85974e1e4c87f34c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2740	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2276	2736	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe	84
PID 2736 wrote to memory of 2276	2736	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe	84
PID 2736 wrote to memory of 2276	2736	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe	84
PID 2736 wrote to memory of 2740	2736	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe	85
PID 2736 wrote to memory of 2740	2736	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe	85
PID 2736 wrote to memory of 2740	2736	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe	85
PID 2736 wrote to memory of 2740	2736	JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78fd7d9ddff82d6e85974e1e4c87f34c.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:2736
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2276
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2740

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/2736-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2740-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2740-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2740-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads