xtremerat | 9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5

General

Target

9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
Size

144KB
MD5

b969e13202c97e39d66f9d5df114597d
SHA1

835e2e214fc3b47c06b2b9c66abb7408da8e0297
SHA256

9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5
SHA512

f740bf8c95a445b92f53d28d40a8fafb7daa52fae9c70460c3bbeaacc33192dafe78e2700682708a2cc7a5385eb9beff528bae63b4898bdc165ea08c32f41214
SSDEEP

1536:aJDnipI8ZIBzIL74j97TTaQD8ZcPIVHOVRMoFhFr:alEsIXE973adqGHiRF

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

microsoft.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2368-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2368-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1536-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2368-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1536-15-0x0000000000C80000-0x0000000000C96000-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 2 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}	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe

Adds Run key to start application 2 TTPs 2 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\\Server.exe"	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2368-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1536-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2368-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1536-15-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
File created	C:\Windows\InstallDir\Server.exe	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.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 3 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	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
1536	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2116 wrote to memory of 2368	2116	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	30
PID 2368 wrote to memory of 1536	2368	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	31
PID 2368 wrote to memory of 1536	2368	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	31
PID 2368 wrote to memory of 1536	2368	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	31
PID 2368 wrote to memory of 1536	2368	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	31
PID 2368 wrote to memory of 1536	2368	9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe	31

C:\Users\Admin\AppData\Local\Temp\9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
"C:\Users\Admin\AppData\Local\Temp\9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\9d79a9d59781b4abf29b769629fcad3fa61a318bf8cf4b63132c9c8f4330c8c5.exe
  2⤵
  - 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:2368
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1536

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

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Downloads

memory/1536-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1536-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1536-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2368-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads