xtremerat | f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca

General

Target

f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe
Size

99KB
MD5

a6adb73892aad9de5da0c9e01a5f8a8f
SHA1

c7689a3be3ab4071e7d10e2a61eed6d231c16a20
SHA256

f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca
SHA512

dea0eca85fc6ab7abd643e5bfedc3b0d0d8ed4e2fca890126398ac9515ab2c5700c7d23ffbd6a910e0ce6e6f123fd9fc7e33a856faa39201399ca3c89eb3a9fd
SSDEEP

1536:c33e3GQlkUxkzTQRmHBvhVLW62H/e6VnPp31x+Cr2c4Cchf97:ckGQlkUxuTQRmHhzEeu3trNchV7

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

geniuxred.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/1252-69-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1252-72-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1448-76-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral1/memory/1448-78-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1252-80-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1448-81-0x0000000010000000-0x000000001004D000-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
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{W7512454-0J11-B478-76VW-L545PQ08R1V0}	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{W7512454-0J11-B478-76VW-L545PQ08R1V0}\StubPath = "C:\\Windows\\system32\\InstallDir\\explorer.exe restart"	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{W7512454-0J11-B478-76VW-L545PQ08R1V0}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{W7512454-0J11-B478-76VW-L545PQ08R1V0}\StubPath = "C:\\Windows\\system32\\InstallDir\\explorer.exe"	svchost.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1252-64-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1252-68-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1252-69-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1252-72-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1448-78-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1252-80-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1448-81-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 9 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\explorer.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\explorer.exe"	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Explorador de Widnwos = "C:\\Windows\\system32\\InstallDir\\explorer.exe"	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.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\\explorer.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\explorer.exe"	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
File opened for modification	C:\Windows\SysWOW64\InstallDir\explorer.exe	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
File created	C:\Windows\SysWOW64\InstallDir\explorer.exe	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1912 set thread context of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28

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
1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe
1252	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1912 wrote to memory of 1252	1912	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe	28
PID 1252 wrote to memory of 1448	1252	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE	29
PID 1252 wrote to memory of 1448	1252	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE	29
PID 1252 wrote to memory of 1448	1252	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE	29
PID 1252 wrote to memory of 1448	1252	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE	29
PID 1252 wrote to memory of 1448	1252	f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE	29

C:\Users\Admin\AppData\Local\Temp\f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe
"C:\Users\Admin\AppData\Local\Temp\f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca.EXE
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    PID:1448

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

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Downloads

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

Filesize
99KB

MD5
a6adb73892aad9de5da0c9e01a5f8a8f

SHA1
c7689a3be3ab4071e7d10e2a61eed6d231c16a20

SHA256
f2f669abf7a704d2491d84863dfa00374cb399be75a9d49f5f7df39ef48121ca

SHA512
dea0eca85fc6ab7abd643e5bfedc3b0d0d8ed4e2fca890126398ac9515ab2c5700c7d23ffbd6a910e0ce6e6f123fd9fc7e33a856faa39201399ca3c89eb3a9fd

Download Submit
memory/1252-69-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1252-80-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1252-72-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1252-71-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1252-68-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1252-64-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1252-67-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1448-81-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1448-78-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1448-74-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1912-60-0x0000000000310000-0x0000000000320000-memory.dmp

Filesize
64KB

Download
memory/1912-63-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1912-70-0x0000000000430000-0x0000000000443000-memory.dmp

Filesize
76KB

Download
memory/1912-62-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/1912-61-0x0000000000320000-0x0000000000330000-memory.dmp

Filesize
64KB

Download
memory/1912-73-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1912-54-0x0000000000220000-0x0000000000230000-memory.dmp

Filesize
64KB

Download
memory/1912-59-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/1912-58-0x00000000002F0000-0x0000000000300000-memory.dmp

Filesize
64KB

Download
memory/1912-57-0x00000000002E0000-0x00000000002F0000-memory.dmp

Filesize
64KB

Download
memory/1912-56-0x0000000000240000-0x0000000000250000-memory.dmp

Filesize
64KB

Download
memory/1912-55-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads