xtremerat | fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64

Analysis

max time kernel
169s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 08:59

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General

Target

fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe
Size

45KB
MD5

6cc38970a9a7f26bc21018fe02e31820
SHA1

4a83ec9e59beb3fbcc97a9af140e0eed4d252906
SHA256

fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64
SHA512

3e0510d415bf2ad8b5d7c213317787a156cf03e6f06979ea4ae48f4abe4ed77ba5534b37c994f7ffd95e56f162613e888ac9197d5f069659622f6f2669240dbe
SSDEEP

768:NB7+tjFH90iY6W1jwmDzKgEFQXaklzIAUH8hwfOgw0cRzova:zCRg31jxPEFQXakGH84bkova

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1624-57-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral1/memory/1624-59-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/1624-60-0x0000000000C80000-0x0000000000C93000-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 2 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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart"	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wbem\xml.exe	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe
File created	C:\Windows\SysWOW64\wbem\xml.exe	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe
File opened for modification	C:\Windows\SysWOW64\wbem\	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe

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 1 IoCs

pid	Process
1624	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 1624	1032	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe	28
PID 1032 wrote to memory of 1624	1032	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe	28
PID 1032 wrote to memory of 1624	1032	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe	28
PID 1032 wrote to memory of 1624	1032	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe	28
PID 1032 wrote to memory of 1624	1032	fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe	28

C:\Users\Admin\AppData\Local\Temp\fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe
"C:\Users\Admin\AppData\Local\Temp\fac10bd6f8b4226559347f563ed23c3443dfc7b27b8c203cbe065924b9334c64.exe"
1⤵
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1032-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/1624-55-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/1624-59-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/1624-60-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download