xtremerat | 4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a

General

Target

4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe
Size

131KB
MD5

616eab44f50aa866fd0ef9a5b118ff44
SHA1

9b2c5d7610fc0c84f0e2c803f3b2157f7a6860d1
SHA256

4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a
SHA512

58382203a128997feda33207e20f43ff5582e22f641364f1292b4be298259df26c7f9e8052566bf5a70e41cf9bf245803efb76317028d60cd51814642fce43b4
SSDEEP

3072:d83h69aSMFJ1z4G19SIzKrEIOfE7BQL43KyYm5gtp4ZxRJ:dIFxczrB5246g5gtp4Z

Score

10^/10

xtremerat evasion persistence rat spyware trojan upx

Malware Config

Extracted

Family

xtremerat

C2

mnnww.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4356-141-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4356-142-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4752-143-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/4356-144-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4752-145-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4356-138-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4356-140-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4356-141-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4356-142-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4356-144-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4752-145-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3184 set thread context of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4736	4752	WerFault.exe	82
1452	4752	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeBackupPrivilege	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 3184 wrote to memory of 4356	3184	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	81
PID 4356 wrote to memory of 4752	4356	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	82
PID 4356 wrote to memory of 4752	4356	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	82
PID 4356 wrote to memory of 4752	4356	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	82
PID 4356 wrote to memory of 4752	4356	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	82
PID 4356 wrote to memory of 3540	4356	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	83
PID 4356 wrote to memory of 3540	4356	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	83
PID 4356 wrote to memory of 3540	4356	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe	83

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe

C:\Users\Admin\AppData\Local\Temp\4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe
"C:\Users\Admin\AppData\Local\Temp\4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe"
1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3184
- C:\Users\Admin\AppData\Local\Temp\4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe
  C:\Users\Admin\AppData\Local\Temp\4c083492999f81f02babbfca027d2b484f7bb4e432c2cf17824f42004c5bb50a.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4356
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 476
      4⤵
      Program crash
      PID:4736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 488
      4⤵
      Program crash
      PID:1452
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4752 -ip 4752
1⤵
PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4752 -ip 4752
1⤵
PID:1732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3184-132-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3184-133-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3184-136-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3184-146-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4356-138-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4356-140-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4356-141-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4356-142-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4356-144-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4752-145-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads