xtremerat | 18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 06:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
Size

62KB
MD5

81150067656989d2e2811d08fdcd7d80
SHA1

5c61ed1e8ac0c787e590067d5e0953ca499f88bd
SHA256

18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37
SHA512

74e9c63cac3b60c01463e655304212255be7d0db88896225deac3ed0eb211f7977603c194937dbfb55bf1532d8b8531999b576c3f347002cf3db3c33e70a2324
SSDEEP

1536:b8qS+OLPjNW71rGYDAWeotvXllSTeoJ9s4hxajeNbFF2:bk+OL7NW7zEvotvX/6egu4KUbP2

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2080-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2080-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2924-17-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2924-19-0x0000000010000000-0x000000001004D000-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
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 8 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 set thread context of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 set thread context of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 set thread context of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 set thread context of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39
PID 1644 set thread context of 560	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	41
PID 1644 set thread context of 2076	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	43
PID 1644 set thread context of 2516	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	45

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2080-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2080-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2080-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2080-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2080-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2924-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2924-19-0x0000000010000000-0x000000001004D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 10 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	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 1644 wrote to memory of 2080	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	30
PID 2080 wrote to memory of 2924	2080	vbc.exe	31
PID 2080 wrote to memory of 2924	2080	vbc.exe	31
PID 2080 wrote to memory of 2924	2080	vbc.exe	31
PID 2080 wrote to memory of 2924	2080	vbc.exe	31
PID 2080 wrote to memory of 2924	2080	vbc.exe	31
PID 2080 wrote to memory of 2684	2080	vbc.exe	32
PID 2080 wrote to memory of 2684	2080	vbc.exe	32
PID 2080 wrote to memory of 2684	2080	vbc.exe	32
PID 2080 wrote to memory of 2684	2080	vbc.exe	32
PID 2080 wrote to memory of 2684	2080	vbc.exe	32
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 1644 wrote to memory of 2884	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	33
PID 2884 wrote to memory of 2708	2884	vbc.exe	34
PID 2884 wrote to memory of 2708	2884	vbc.exe	34
PID 2884 wrote to memory of 2708	2884	vbc.exe	34
PID 2884 wrote to memory of 2708	2884	vbc.exe	34
PID 2884 wrote to memory of 2708	2884	vbc.exe	34
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1644 wrote to memory of 1240	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	35
PID 1240 wrote to memory of 396	1240	vbc.exe	36
PID 1240 wrote to memory of 396	1240	vbc.exe	36
PID 1240 wrote to memory of 396	1240	vbc.exe	36
PID 1240 wrote to memory of 396	1240	vbc.exe	36
PID 1240 wrote to memory of 396	1240	vbc.exe	36
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1644 wrote to memory of 1940	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	37
PID 1940 wrote to memory of 2972	1940	vbc.exe	38
PID 1940 wrote to memory of 2972	1940	vbc.exe	38
PID 1940 wrote to memory of 2972	1940	vbc.exe	38
PID 1940 wrote to memory of 2972	1940	vbc.exe	38
PID 1940 wrote to memory of 2972	1940	vbc.exe	38
PID 1644 wrote to memory of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39
PID 1644 wrote to memory of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39
PID 1644 wrote to memory of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39
PID 1644 wrote to memory of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39
PID 1644 wrote to memory of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39
PID 1644 wrote to memory of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39
PID 1644 wrote to memory of 1404	1644	18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe	39

C:\Users\Admin\AppData\Local\Temp\18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe
"C:\Users\Admin\AppData\Local\Temp\18134d44f9e32e9333e9b42ff2be7311400784f0a5c467e2dcb07127cefafe37N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2924
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2684
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2708
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:396
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2972
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1404
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2408
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:560
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2404
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2076
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1796
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2516
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1644-0-0x0000000074C61000-0x0000000074C62000-memory.dmp

Filesize
4KB

Download
memory/1644-1-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/1644-2-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/1644-18-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2080-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2080-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2080-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2080-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2080-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2080-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2080-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2924-17-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2924-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download