xtremerat | 910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd

General

Target

910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe
Size

21KB
MD5

999d79780ce646ec198a48fe71cca237
SHA1

84e361373cf278e28f63abfab62ca4820e28c481
SHA256

910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd
SHA512

020f5e9b4cabccde35feb867f3f6208dcb80f2a4235058e047576300e1d9c72b69dbf39e6de1e5a61396c6d20bed54df147ac25822a70e5802c83d8880e08c93
SSDEEP

384:PIdmF+TH95xJMu/0PlxjV8BINhuLJ37tMOpuqqz3KK7eIVmhvYndM5SLP5pLRb:PIsF8HdbKjV8BX7Vy6K7eIVaAndEKPlb

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

hackermeker.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2692-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2788-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2748-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2640-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2788-17-0x0000000000C80000-0x0000000000C96000-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

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{VM2MQM3S-58A6-2OJM-T5A3-K2ITI87YIB71}\StubPath = "C:\\Windows\\InstallDir\\jk.exe restart"	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{VM2MQM3S-58A6-2OJM-T5A3-K2ITI87YIB71}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{VM2MQM3S-58A6-2OJM-T5A3-K2ITI87YIB71}\StubPath = "C:\\Windows\\InstallDir\\jk.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{VM2MQM3S-58A6-2OJM-T5A3-K2ITI87YIB71}	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe

Deletes itself 1 IoCs

pid	Process
2748	explorer.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\\InstallDir\\jk.exe"	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\jk.exe"	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\jk.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\jk.exe"	svchost.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2640-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2692-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/files/0x0007000000018b68-7.dat	upx
behavioral1/memory/2788-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2748-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2640-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2788-17-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\InstallDir\jk.exe	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe
File opened for modification	C:\Windows\InstallDir\jk.exe	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe

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 4 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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2788	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2692	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	30
PID 2640 wrote to memory of 2692	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	30
PID 2640 wrote to memory of 2692	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	30
PID 2640 wrote to memory of 2692	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	30
PID 2640 wrote to memory of 2692	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	30
PID 2640 wrote to memory of 2764	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	31
PID 2640 wrote to memory of 2764	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	31
PID 2640 wrote to memory of 2764	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	31
PID 2640 wrote to memory of 2764	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	31
PID 2640 wrote to memory of 2788	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	32
PID 2640 wrote to memory of 2788	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	32
PID 2640 wrote to memory of 2788	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	32
PID 2640 wrote to memory of 2788	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	32
PID 2640 wrote to memory of 2748	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	33
PID 2640 wrote to memory of 2748	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	33
PID 2640 wrote to memory of 2748	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	33
PID 2640 wrote to memory of 2748	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	33
PID 2640 wrote to memory of 2748	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	33
PID 2640 wrote to memory of 2788	2640	910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe	32

C:\Users\Admin\AppData\Local\Temp\910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe
"C:\Users\Admin\AppData\Local\Temp\910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2764
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2788
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\InstallDir\jk.exe

Filesize
21KB

MD5
999d79780ce646ec198a48fe71cca237

SHA1
84e361373cf278e28f63abfab62ca4820e28c481

SHA256
910b204d21b084ca360e999dc7b8c62c8f7ab03d1fabb144403ded43a254e7dd

SHA512
020f5e9b4cabccde35feb867f3f6208dcb80f2a4235058e047576300e1d9c72b69dbf39e6de1e5a61396c6d20bed54df147ac25822a70e5802c83d8880e08c93

Download Submit
memory/2640-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2640-14-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2692-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2692-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2748-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-17-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads