xtremerat | 735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782

General

Target

735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe
Size

49KB
MD5

e0bff9dee51b34004b7f60c45c72275a
SHA1

d51da51a598b247be0c568a0bd3e1ce7cc903c1c
SHA256

735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782
SHA512

2ba9e4b445518d0031ca95e76c6390accdcb04dcb5b11d4f57d1e1613e68844760b1c94a2da508794586ed4cad0f5dddf4e465349bfe5159a58d9e0ab898035b
SSDEEP

768:bZOHoR5H/z3eKQSWFzxG6pEAihXCHMsF8ltMxuvsMgbVxFsfWTaCO25ij:leo//Q9LRv39uvt8VYfuaCij

Score

10^/10

Malware Config

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/3960-139-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3960-142-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4036-143-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/4104-145-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/3960-146-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4036-147-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4104-148-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4104-149-0x0000000000C80000-0x0000000000C95000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\lsass.exe restart"	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\lsass.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3960-136-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3960-138-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3960-139-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3960-142-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3960-146-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4036-147-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4104-148-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4104-149-0x0000000000C80000-0x0000000000C95000-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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\lsass.exe"	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\lsass.exe"	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.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:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\lsass.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\lsass.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 444 set thread context of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79

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

System Information Discovery
T1082

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\OLE1EmbedStrm.wav:Zone.Identifier	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe
4104	explorer.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 444 wrote to memory of 3960	444	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	79
PID 3960 wrote to memory of 4036	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	80
PID 3960 wrote to memory of 4036	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	80
PID 3960 wrote to memory of 4036	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	80
PID 3960 wrote to memory of 4036	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	80
PID 3960 wrote to memory of 4104	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	81
PID 3960 wrote to memory of 4104	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	81
PID 3960 wrote to memory of 4104	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	81
PID 3960 wrote to memory of 4104	3960	735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe	81

C:\Users\Admin\AppData\Local\Temp\735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe
"C:\Users\Admin\AppData\Local\Temp\735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe"
1⤵
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:444
- C:\Users\Admin\AppData\Local\Temp\735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe
  "C:\Users\Admin\AppData\Local\Temp\735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    PID:4036
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:4104

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallDir\lsass.exe

Filesize
49KB

MD5
e0bff9dee51b34004b7f60c45c72275a

SHA1
d51da51a598b247be0c568a0bd3e1ce7cc903c1c

SHA256
735b71185875369df7ce0a10b5ec5406b387bb15aea870e54074be35330e4782

SHA512
2ba9e4b445518d0031ca95e76c6390accdcb04dcb5b11d4f57d1e1613e68844760b1c94a2da508794586ed4cad0f5dddf4e465349bfe5159a58d9e0ab898035b

Download Submit
memory/444-134-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/444-140-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3960-138-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3960-139-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3960-136-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3960-141-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3960-142-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3960-135-0x0000000000000000-mapping.dmp

Download
memory/3960-146-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4036-143-0x0000000000000000-mapping.dmp

Download
memory/4036-147-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4104-145-0x0000000000000000-mapping.dmp

Download
memory/4104-148-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4104-149-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads