xtremerat | 383b185ca47e74c648ef824b9158f0a7a58772863ec4292f01d3e55c12218baf

General

Target

c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
Size

783KB
MD5

c79b5e7ac9336d4b2398fc6d59183e28
SHA1

3578d764f478110a10313e91025e8ac934c96b5f
SHA256

383b185ca47e74c648ef824b9158f0a7a58772863ec4292f01d3e55c12218baf
SHA512

0acd499658d1404eb34d90e31f5149768d020289fe6dc757488d8a4745896b4d7a93efd43086aca7cf8bc895391ba0db4c7638510b350113ecf08556dd347476
SSDEEP

12288:Yo2iE8n9yXz4LSiecUoSkBBjjPOMccUXas2HFGpQdyRTWAz:pb9yhrgHPFccAH2HFC5z

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

nerozhack.ddns.com.br

alonedevil.no-ip.org

gameszero.dyndns.org

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2128-33-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2840-37-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2832-40-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2832-42-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2840-45-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2832-46-0x0000000010000000-0x000000001004D000-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

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\System.exe	taskmgr.exe
File created	C:\Windows\system32\drivers\etc\System.exe	taskmgr.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\UpdaterStartupUtility = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	taskmgr.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\PlusServices = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	taskmgr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UpdaterStartupUtility = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\PlusServices = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	svchost.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/804-22-0x0000000000400000-0x0000000000582000-memory.dmp	autoit_exe
behavioral1/memory/2552-44-0x0000000003080000-0x0000000003202000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 804 set thread context of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 2552 set thread context of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2552-14-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2552-23-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2552-19-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2552-18-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2552-12-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2552-10-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2128-33-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2552-32-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2128-30-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2128-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2840-37-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2832-40-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2832-42-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2840-45-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2832-46-0x0000000010000000-0x000000001004D000-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 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	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
2832	taskmgr.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 804 wrote to memory of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 804 wrote to memory of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 804 wrote to memory of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 804 wrote to memory of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 804 wrote to memory of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 804 wrote to memory of 2552	804	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	30
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2128	2552	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	31
PID 2128 wrote to memory of 2840	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2840	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2840	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2840	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2840	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2832	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	33
PID 2128 wrote to memory of 2832	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	33
PID 2128 wrote to memory of 2832	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	33
PID 2128 wrote to memory of 2832	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	33
PID 2128 wrote to memory of 2832	2128	c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804
- C:\Users\Admin\AppData\Local\Temp\c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Users\Admin\AppData\Local\Temp\c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\c79b5e7ac9336d4b2398fc6d59183e28_JaffaCakes118.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2840
  - - C:\WINDOWS\SysWOW64\taskmgr.exe
      C:\WINDOWS\system32\taskmgr.exe
      4⤵
      Drops file in Drivers directory
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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\system32\drivers\etc\System.exe

Filesize
783KB

MD5
c79b5e7ac9336d4b2398fc6d59183e28

SHA1
3578d764f478110a10313e91025e8ac934c96b5f

SHA256
383b185ca47e74c648ef824b9158f0a7a58772863ec4292f01d3e55c12218baf

SHA512
0acd499658d1404eb34d90e31f5149768d020289fe6dc757488d8a4745896b4d7a93efd43086aca7cf8bc895391ba0db4c7638510b350113ecf08556dd347476

Download Submit
memory/804-0-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/804-17-0x0000000003B00000-0x0000000003C82000-memory.dmp

Filesize
1.5MB

Download
memory/804-22-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/2128-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2128-30-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2128-33-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2552-34-0x0000000003080000-0x0000000003202000-memory.dmp

Filesize
1.5MB

Download
memory/2552-23-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-32-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-44-0x0000000003080000-0x0000000003202000-memory.dmp

Filesize
1.5MB

Download
memory/2552-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2832-40-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2832-42-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2832-46-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2840-37-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2840-36-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2840-45-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads