xtremerat | e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780

Analysis

max time kernel
76s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 17:15

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General

Target

e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
Size

668KB
MD5

ba7db8d448abf54ac01c1d21245f40f3
SHA1

84dbfcd6f5a77b3cf2237c8fbd2609c62200bf8b
SHA256

e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780
SHA512

5e646b4952e000c2bdc6e2c12ad6635875ba1a8fdf8eec2520a7e5411f215728ed85b6ec6d8ce3836947499f49e8bc14bc10e297ed153ed194bcb2d727de7e50
SSDEEP

12288:POqBSJNJ/+EkGz1lr3nxGteN4r3t8UOGz624SitfLmygYpM:2CScE7z193Rit8UJ62BmhgoM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

gkl7.no-ip.biz

Signatures

Detect XtremeRAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/2676-13-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2676-19-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2676-15-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2676-11-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2676-8-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2676-5-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2676-3-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2744-28-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2744-31-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2744-37-0x0000000000C80000-0x0000000000CE9000-memory.dmp	family_xtremerat
behavioral1/memory/2744-44-0x0000000000C80000-0x0000000000CE9000-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 4 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}	Sv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Sv.exe restart"	Sv.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Sv.exe restart"	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe

Executes dropped EXE 2 IoCs

pid	Process
3032	Sv.exe
2636	Sv.exe

Loads dropped DLL 2 IoCs

pid	Process
2744	svchost.exe
2744	svchost.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\HKLM = "C:\\Windows\\system32\\InstallDir\\Sv.exe"	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Sv.exe"	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Sv.exe"	Sv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Sv.exe"	Sv.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Sv.exe	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
File created	C:\Windows\SysWOW64\InstallDir\Sv.exe	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\Sv.exe	Sv.exe
File created	C:\Windows\SysWOW64\InstallDir\Sv.exe	Sv.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 3032 set thread context of 2636	3032	Sv.exe	33
PID 2636 set thread context of 1620	2636	Sv.exe	34

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1620-78-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-77-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-74-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-81-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-82-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-83-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-84-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-85-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-87-0x0000000001610000-0x0000000001712000-memory.dmp	upx
behavioral1/memory/1620-86-0x0000000001610000-0x0000000001712000-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 6 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	Sv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1620	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2744	svchost.exe
1620	svchost.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2772 wrote to memory of 2676	2772	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	30
PID 2676 wrote to memory of 2744	2676	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	31
PID 2676 wrote to memory of 2744	2676	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	31
PID 2676 wrote to memory of 2744	2676	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	31
PID 2676 wrote to memory of 2744	2676	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	31
PID 2676 wrote to memory of 2744	2676	e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe	31
PID 2744 wrote to memory of 3032	2744	svchost.exe	32
PID 2744 wrote to memory of 3032	2744	svchost.exe	32
PID 2744 wrote to memory of 3032	2744	svchost.exe	32
PID 2744 wrote to memory of 3032	2744	svchost.exe	32
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 3032 wrote to memory of 2636	3032	Sv.exe	33
PID 2636 wrote to memory of 1620	2636	Sv.exe	34
PID 2636 wrote to memory of 1620	2636	Sv.exe	34
PID 2636 wrote to memory of 1620	2636	Sv.exe	34
PID 2636 wrote to memory of 1620	2636	Sv.exe	34
PID 2636 wrote to memory of 1620	2636	Sv.exe	34
PID 2636 wrote to memory of 1620	2636	Sv.exe	34
PID 2636 wrote to memory of 1620	2636	Sv.exe	34
PID 2636 wrote to memory of 1620	2636	Sv.exe	34

C:\Users\Admin\AppData\Local\Temp\e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
"C:\Users\Admin\AppData\Local\Temp\e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
  C:\Users\Admin\AppData\Local\Temp\e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - C:\Windows\SysWOW64\InstallDir\Sv.exe
      "C:\Windows\system32\InstallDir\Sv.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3032
    - - C:\Windows\SysWOW64\InstallDir\Sv.exe
        
        C:\Windows\SysWOW64\InstallDir\Sv.exe
        5⤵
        Boot or Logon Autostart Execution: Active Setup
        Executes dropped EXE
        Adds Run key to start application
        Drops file in System32 directory
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2636
      - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        6⤵
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of SetWindowsHookEx
        
        PID:1620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).cfg

Filesize
1KB

MD5
f0430d974b0838d63599bf40647a7ae6

SHA1
68c7184c6f4ab0de36d249bd852ea59fd82a24e5

SHA256
d88335f0154f4022260fb00795fc2b92ccab16c482b8b3dafe6e4ff563ad39b9

SHA512
df17c4a0ab142315932d4da894ecdbb9423575bc7b6b5edf6880722787eb6d546ef0de1fd82576aa20be4edb8bfd0ff5b2c34dc0ce7d0e9f615976c6a981f5e1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).xtr

Filesize
343KB

MD5
6426d400c96fb9ffef4eaa54f6647f4c

SHA1
70a37871aff432790b6adf7d3fc4eb929476e082

SHA256
98bba0cf4c57ecd35b227f45e4aa6dd50ef7cfb1160235cc14687c96eb09fa3c

SHA512
2c8b4d3ab066cbfca6cf0c8d89d5044152b5e3d7100249cbedd1c816e3a4a94efc8bc6b79c1dab4bdf96e3ce476d6caccf625cfbe0aff3bf5e7a29dfcfa948c5

Download Submit
C:\Windows\SysWOW64\InstallDir\Sv.exe

Filesize
668KB

MD5
ba7db8d448abf54ac01c1d21245f40f3

SHA1
84dbfcd6f5a77b3cf2237c8fbd2609c62200bf8b

SHA256
e2bfbbedddbcdcf5024d06535cddf686f07e333ce02f9d30bf7eb161f9795780

SHA512
5e646b4952e000c2bdc6e2c12ad6635875ba1a8fdf8eec2520a7e5411f215728ed85b6ec6d8ce3836947499f49e8bc14bc10e297ed153ed194bcb2d727de7e50

Download Submit
memory/1620-79-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1620-89-0x0000000003C00000-0x0000000003C02000-memory.dmp

Filesize
8KB

Download
memory/1620-86-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-87-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-85-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-84-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-83-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-82-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-81-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-74-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-77-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-78-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/1620-73-0x0000000001610000-0x0000000001712000-memory.dmp

Filesize
1.0MB

Download
memory/2676-15-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-2-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-19-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-1-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-13-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-11-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-8-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-5-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2676-3-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2744-37-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2744-28-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2744-31-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2744-44-0x0000000000C80000-0x0000000000CE9000-memory.dmp

Filesize
420KB

Download
memory/2772-0-0x0000000023240000-0x000000002326A000-memory.dmp

Filesize
168KB

Download
memory/2772-29-0x0000000023240000-0x000000002326A000-memory.dmp

Filesize
168KB

Download
memory/3032-67-0x0000000023240000-0x000000002326A000-memory.dmp

Filesize
168KB

Download