xtremerat | 23b7be94ac173398c3626382f7b475ad13fc299afe3788e6812502b23592cb0b

General

Target

JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
Size

815KB
MD5

8c8b32e34654515fdb07baeb6548e8cd
SHA1

66d67489d3b2b70f2e36706b32b053688343c939
SHA256

23b7be94ac173398c3626382f7b475ad13fc299afe3788e6812502b23592cb0b
SHA512

77b6d7d524f56e75a3a3ee5001fc2e027cfcd945db6724a9750ab3a3646ba5b1cbde72fa88b7ce71a40c5d8c5af4344fe0cfe0a1891dffceea32f8a707729d7c
SSDEEP

12288:fo2iE8n9yXz4LSiecUoSkBBjjPOMccUXas2HFJHIg4uDz:gb9yhrgHPFccAH2HFJHIgJz

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/1724-23-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1624-27-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2732-30-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2732-32-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1624-35-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2732-36-0x0000000010000000-0x000000001004D000-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\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\PlusServices = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UpdaterStartupUtility = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	taskmgr.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1920-16-0x0000000000400000-0x0000000000582000-memory.dmp	autoit_exe
behavioral1/memory/1924-34-0x0000000002FF0000-0x0000000003172000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1920 set thread context of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1924 set thread context of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1924-5-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1924-3-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1924-7-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1924-9-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1924-12-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1924-10-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1724-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1924-22-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1724-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1724-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1624-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2732-30-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2732-32-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1624-35-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2732-36-0x0000000010000000-0x000000001004D000-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	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmgr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
2732	taskmgr.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1920 wrote to memory of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1920 wrote to memory of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1920 wrote to memory of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1920 wrote to memory of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1920 wrote to memory of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1920 wrote to memory of 1924	1920	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	30
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	31
PID 1724 wrote to memory of 1624	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	32
PID 1724 wrote to memory of 1624	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	32
PID 1724 wrote to memory of 1624	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	32
PID 1724 wrote to memory of 1624	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	32
PID 1724 wrote to memory of 1624	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	32
PID 1724 wrote to memory of 2732	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	33
PID 1724 wrote to memory of 2732	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	33
PID 1724 wrote to memory of 2732	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	33
PID 1724 wrote to memory of 2732	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	33
PID 1724 wrote to memory of 2732	1724	JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
    C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8b32e34654515fdb07baeb6548e8cd.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1724
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1624
  - - 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:2732

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
815KB

MD5
8c8b32e34654515fdb07baeb6548e8cd

SHA1
66d67489d3b2b70f2e36706b32b053688343c939

SHA256
23b7be94ac173398c3626382f7b475ad13fc299afe3788e6812502b23592cb0b

SHA512
77b6d7d524f56e75a3a3ee5001fc2e027cfcd945db6724a9750ab3a3646ba5b1cbde72fa88b7ce71a40c5d8c5af4344fe0cfe0a1891dffceea32f8a707729d7c

Download Submit
memory/1624-25-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1624-35-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1624-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1724-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1724-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1724-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1920-0-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/1920-16-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/1924-24-0x0000000002FF0000-0x0000000003172000-memory.dmp

Filesize
1.5MB

Download
memory/1924-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-22-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-5-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-34-0x0000000002FF0000-0x0000000003172000-memory.dmp

Filesize
1.5MB

Download
memory/1924-1-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2732-30-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2732-32-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2732-36-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads