xtremerat | 239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a

General

Target

239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
Size

224KB
MD5

a05e9c78f9d6d317f8faaa3f28f7e3ad
SHA1

51172978c5b97718a1d3a15fb645f685e2be8711
SHA256

239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a
SHA512

f01d16d010244105957b4ddda81c7ef061dc06875b12257954564d53f07eea43320077788a14d12cfd6ee1fef608d93f27731266f80ecc44f8bab6d4d6ee6223
SSDEEP

1536:dwYL9p89qvUhhhhhOjY1CnhMZhmbQtahhhhhhhhhhhhhhfER+TIlyX8JWLAdKP0z:KynfS

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sajenhaker.no-ip.info

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2012-61-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2012-62-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/1152-65-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral1/memory/1152-68-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/268-71-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral1/memory/2012-74-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/268-75-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/268-76-0x0000000000C80000-0x0000000000C96000-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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{654DI56A-M7GY-4368-3602-50EQG84WI7O1}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{654DI56A-M7GY-4368-3602-50EQG84WI7O1}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{654DI56A-M7GY-4368-3602-50EQG84WI7O1}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{654DI56A-M7GY-4368-3602-50EQG84WI7O1}	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2012-56-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2012-60-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2012-61-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2012-62-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/1152-68-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2012-74-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/268-75-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/268-76-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Server.exe	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
File created	C:\Windows\SysWOW64\InstallDir\Server.exe	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1284 set thread context of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
268	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 1284 wrote to memory of 2012	1284	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	27
PID 2012 wrote to memory of 1152	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	28
PID 2012 wrote to memory of 1152	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	28
PID 2012 wrote to memory of 1152	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	28
PID 2012 wrote to memory of 1152	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	28
PID 2012 wrote to memory of 1152	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	28
PID 2012 wrote to memory of 268	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	29
PID 2012 wrote to memory of 268	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	29
PID 2012 wrote to memory of 268	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	29
PID 2012 wrote to memory of 268	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	29
PID 2012 wrote to memory of 268	2012	239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe	29

C:\Users\Admin\AppData\Local\Temp\239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
"C:\Users\Admin\AppData\Local\Temp\239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    PID:1152
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\InstallDir\Server.exe

Filesize
224KB

MD5
a05e9c78f9d6d317f8faaa3f28f7e3ad

SHA1
51172978c5b97718a1d3a15fb645f685e2be8711

SHA256
239a6e9d655f69032bdcd8e0dd05335c82cd866713a2a39453783e5d4b42668a

SHA512
f01d16d010244105957b4ddda81c7ef061dc06875b12257954564d53f07eea43320077788a14d12cfd6ee1fef608d93f27731266f80ecc44f8bab6d4d6ee6223

Download Submit
memory/268-76-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/268-75-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/268-73-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download
memory/268-71-0x0000000000000000-mapping.dmp

Download
memory/1152-68-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1152-63-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/1152-65-0x0000000000000000-mapping.dmp

Download
memory/2012-62-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2012-56-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2012-61-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2012-60-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2012-74-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2012-59-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/2012-57-0x0000000000C94870-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads