xtremerat | ead823a1182ef6db2ea5c9ca725e253fb162c4d0a81552494db5e9c109aea263

Analysis

max time kernel
161s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 15:51

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General

Target

3a646a8c31601a926f0e5894b4b9d620.exe
Size

858KB
MD5

3a646a8c31601a926f0e5894b4b9d620
SHA1

5f1de4aec9676e67808e79c0ec2dba9c7945c8a3
SHA256

ead823a1182ef6db2ea5c9ca725e253fb162c4d0a81552494db5e9c109aea263
SHA512

428cb77937f3c8017da27a2edf89429851133cc0adbab544b8020c88b7311f6ca293e790637d85fee3076d13ea4035ad3973ded6fc1584f07e40dbe05a80084a
SSDEEP

12288:2VPSnfdi/IZVxaoSkBBjjPOMccUXas2HFIKIgrdhx/AeoHv/pm:2SkmVTHPFccAH2HFIKIgRhxYeoHvhm

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

nerozhack.ddns.com.br

alonedevil.no-ip.org

gameszero.dyndns.org

Signatures

Detect XtremeRAT payload 10 IoCs

resource	yara_rule
behavioral2/memory/4800-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4800-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4800-13-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4800-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1580-14-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4196-15-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4800-16-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4196-18-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4196-20-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1580-19-0x0000000010000000-0x000000001004A000-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

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4204-0-0x0000000000400000-0x0000000000582000-memory.dmp	upx
behavioral2/memory/4204-4-0x0000000000400000-0x0000000000582000-memory.dmp	upx

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\UpdaterStartupUtility = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	taskmgr.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PlusServices = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	taskmgr.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4204-4-0x0000000000400000-0x0000000000582000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 1048 set thread context of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4332	1580	WerFault.exe	92
4880	4196	WerFault.exe	94
764	4196	WerFault.exe	94
3244	1580	WerFault.exe	92

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1048	3a646a8c31601a926f0e5894b4b9d620.exe
4196	taskmgr.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 4204 wrote to memory of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 4204 wrote to memory of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 4204 wrote to memory of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 4204 wrote to memory of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 4204 wrote to memory of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 4204 wrote to memory of 1048	4204	3a646a8c31601a926f0e5894b4b9d620.exe	91
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 1048 wrote to memory of 4800	1048	3a646a8c31601a926f0e5894b4b9d620.exe	93
PID 4800 wrote to memory of 1580	4800	3a646a8c31601a926f0e5894b4b9d620.exe	92
PID 4800 wrote to memory of 1580	4800	3a646a8c31601a926f0e5894b4b9d620.exe	92
PID 4800 wrote to memory of 1580	4800	3a646a8c31601a926f0e5894b4b9d620.exe	92
PID 4800 wrote to memory of 1580	4800	3a646a8c31601a926f0e5894b4b9d620.exe	92
PID 4800 wrote to memory of 4196	4800	3a646a8c31601a926f0e5894b4b9d620.exe	94
PID 4800 wrote to memory of 4196	4800	3a646a8c31601a926f0e5894b4b9d620.exe	94
PID 4800 wrote to memory of 4196	4800	3a646a8c31601a926f0e5894b4b9d620.exe	94
PID 4800 wrote to memory of 4196	4800	3a646a8c31601a926f0e5894b4b9d620.exe	94

C:\Users\Admin\AppData\Local\Temp\3a646a8c31601a926f0e5894b4b9d620.exe
"C:\Users\Admin\AppData\Local\Temp\3a646a8c31601a926f0e5894b4b9d620.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\3a646a8c31601a926f0e5894b4b9d620.exe
  "C:\Users\Admin\AppData\Local\Temp\3a646a8c31601a926f0e5894b4b9d620.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Users\Admin\AppData\Local\Temp\3a646a8c31601a926f0e5894b4b9d620.exe
    C:\Users\Admin\AppData\Local\Temp\3a646a8c31601a926f0e5894b4b9d620.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4800
  - - C:\WINDOWS\SysWOW64\taskmgr.exe
      C:\WINDOWS\system32\taskmgr.exe
      4⤵
      Drops file in Drivers directory
      Adds Run key to start application
      Suspicious use of SetWindowsHookEx
      PID:4196
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 1084
        5⤵
        Program crash
        
        PID:4880
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 1076
        5⤵
        Program crash
        
        PID:764

C:\Windows\SysWOW64\svchost.exe
svchost.exe
1⤵
PID:1580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 496
  2⤵
  - Program crash
  PID:4332
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 488
  2⤵
  - Program crash
  PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1580 -ip 1580
1⤵
PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1580 -ip 1580
1⤵
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4196 -ip 4196
1⤵
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4196 -ip 4196
1⤵
PID:4856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1048-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1048-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1048-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1580-14-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1580-19-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4196-15-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4196-18-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4196-20-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4204-4-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/4204-0-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/4800-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4800-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4800-13-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4800-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4800-16-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads