xtremerat | cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359

General

Target

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
Size

980KB
MD5

409a8d80d84aa23fedb10b49160051d9
SHA1

4aa47235e60cfc78040360e9840c2f9a55f0d67a
SHA256

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359
SHA512

2ebcba46759db8efff11490d2771057e9119ca6273fbc38f5a53b13916639d01532672620d9d27f2d9e5f221c48c2b45869fb8362a93d849eef7b18404dcab3a
SSDEEP

24576:YTLHLXccWMukmi4AQ7CsVbqQr/kV8u69fUg:QLMBRuQus/4V8uib

Score

10^/10

xtremerat evasion persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/968-61-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-62-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-63-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-64-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-65-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-67-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-68-0x000000001000D0F4-mapping.dmp	family_xtremerat
behavioral1/memory/968-69-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-72-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-77-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/968-79-0x0000000010000000-0x000000001004A000-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
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Wine	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

pid process

1676 cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

description	pid	process	target process
PID 1676 set thread context of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

pid	process
1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

pid	process
1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.execmd.execfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exenet.exe

description	pid	process	target process
PID 1676 wrote to memory of 1740	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cmd.exe
PID 1676 wrote to memory of 1740	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cmd.exe
PID 1676 wrote to memory of 1740	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cmd.exe
PID 1676 wrote to memory of 1740	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cmd.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1676 wrote to memory of 968	1676	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
PID 1740 wrote to memory of 1764	1740	cmd.exe	net.exe
PID 1740 wrote to memory of 1764	1740	cmd.exe	net.exe
PID 1740 wrote to memory of 1764	1740	cmd.exe	net.exe
PID 1740 wrote to memory of 1764	1740	cmd.exe	net.exe
PID 968 wrote to memory of 1208	968	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	iexplore.exe
PID 968 wrote to memory of 1208	968	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	iexplore.exe
PID 968 wrote to memory of 1208	968	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	iexplore.exe
PID 968 wrote to memory of 1208	968	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	iexplore.exe
PID 1764 wrote to memory of 896	1764	net.exe	net1.exe
PID 1764 wrote to memory of 896	1764	net.exe	net1.exe
PID 1764 wrote to memory of 896	1764	net.exe	net1.exe
PID 1764 wrote to memory of 896	1764	net.exe	net1.exe
PID 968 wrote to memory of 1208	968	cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
"C:\Users\Admin\AppData\Local\Temp\cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\cmd.exe
/c net stop MpsSvc
2⤵
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\net.exe
net stop MpsSvc
3⤵
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop MpsSvc
4⤵
PID:896

C:\Users\Admin\AppData\Local\Temp\cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
C:\Users\Admin\AppData\Local\Temp\cfc440d88a6d4f34035e9a9b2cbe63e5628f01f0e893370cd66cdd9c9725e359.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:968

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
3⤵
PID:1208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/896-76-0x0000000000000000-mapping.dmp

Download
memory/968-65-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-63-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-68-0x000000001000D0F4-mapping.dmp

Download
memory/968-59-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-61-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-58-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-62-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-72-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-69-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-67-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-79-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-78-0x0000000000400000-0x00000000005D7000-memory.dmp

Filesize
1.8MB

Download
memory/968-64-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/968-77-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1676-74-0x0000000077600000-0x0000000077780000-memory.dmp

Filesize
1.5MB

Download
memory/1676-56-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/1676-75-0x00000000003F0000-0x00000000003F4000-memory.dmp

Filesize
16KB

Download
memory/1676-55-0x0000000077600000-0x0000000077780000-memory.dmp

Filesize
1.5MB

Download
memory/1676-70-0x0000000000400000-0x00000000005D7000-memory.dmp

Filesize
1.8MB

Download
memory/1676-54-0x0000000000400000-0x00000000005D7000-memory.dmp

Filesize
1.8MB

Download
memory/1740-57-0x0000000000000000-mapping.dmp

Download
memory/1764-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads