xtremerat | fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19a

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 03:33

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General

Target

fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe
Size

81KB
MD5

6eb106e21780f10bc35a73720462a140
SHA1

a568139ff32b81e89aed417de5c5cb3ccaf41525
SHA256

fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19a
SHA512

17cbf1a478f3f2926687d0789e22a0f9c3e8c68c1abd8cc29a2c809382be2f0c6c697ba25b3610baeae8f3ed703d1f50ec59cfcbb58ba52b68162ebb6fcd1383
SSDEEP

768:XBr+dUydx3AylcfBZBRgr6aPm+JYWvl2yzouyCEeU2FMQTxz/s:xyWeLloB/Rgr6a+++Wvl2+ouyf6MQTx

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2324-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2324-1-0x0000000000C80000-0x0000000000C96000-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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2324-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2324-1-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2300	2324	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2300	2324	fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe	31
PID 2324 wrote to memory of 2300	2324	fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe	31
PID 2324 wrote to memory of 2300	2324	fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe	31
PID 2324 wrote to memory of 2300	2324	fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe	31

C:\Users\Admin\AppData\Local\Temp\fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe
"C:\Users\Admin\AppData\Local\Temp\fb9069d618f61a00ca03eba068e79542b6237afd61b7d6376eca3173cf1ae19aN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 160
  2⤵
  - Program crash
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

memory/2324-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

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memory/2324-1-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download