xtremerat | c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900

General

Target

c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
Size

420KB
MD5

eb559a01c1db2e84e7b2732b23efa2c0
SHA1

b35ad4d355b407cecaf9fe147292a51fa1e18cb9
SHA256

c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900
SHA512

a9771a8d4778eb5e3b3f62fae89f0abcb270264bb59064b2d8855fcc5291983667f53a30d1edaf223208f7225aca50bead28ea04da27687c1966f4ccca6b7de0
SSDEEP

6144:4+9hS3kbFRQqzfz7qeEzDSZbFm2A2g2McTrDLKmE:XMkHzfz77b62McTOmE

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sam-of.myq-see.com

Desktopsam-of.publicvm.com

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2460-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2460-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2460-13-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2488 set thread context of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2460-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2460-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2460-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2460-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2460-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2460-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2460-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2460-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
2460	notepad.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31
PID 2488 wrote to memory of 2460	2488	c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe	31

C:\Users\Admin\AppData\Local\Temp\c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe
"C:\Users\Admin\AppData\Local\Temp\c6a96acfc0d093a8c5090d50c57efebfecf18ccada224ffa8a21c357b118a900N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2460-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2460-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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