xtremerat | d52a85c79b6063fe69276eb6b63a43b767de7eed0fa5b35968ebc46ff88f51dc

General

Target

Crysis2_v1-9_Trainer/Crysis2_v1-9_Trainer.exe
Size

102KB
MD5

731c9c3d522ecf0538815e35577dd373
SHA1

c075a1e83284924aea80add9023922f5bd7b2ebc
SHA256

51af50494be139e4f2e9efa19501918aff117f6ef2fe0451f62457006117abc2
SHA512

7e4d92717a9a801e4c100a4dac689a8393058cef0e9438a5506b774748ed84164b5ae1c88624cd9ccb0302bd9b9cd18cc384f36948fc2f65c5303c54c9447c13
SSDEEP

3072:m5LLpTCpf4zcugG3gVYhGWtiyn9ceSj83/U:mZNCvAsWtiy98wvU

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

ᠼhoshx.no-ip.org

c_209hoshx.no-ip.org

Signatures

Detect XtremeRAT payload 12 IoCs

resource	yara_rule
behavioral1/memory/1084-16-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2780-15-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1084-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2780-17-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 1084	2368	Crysis2_v1-9_Trainer.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Crysis2_v1-9_Trainer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Crysis2_v1-9_Trainer.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 2368 wrote to memory of 1084	2368	Crysis2_v1-9_Trainer.exe	30
PID 1084 wrote to memory of 2780	1084	Crysis2_v1-9_Trainer.exe	31
PID 1084 wrote to memory of 2780	1084	Crysis2_v1-9_Trainer.exe	31
PID 1084 wrote to memory of 2780	1084	Crysis2_v1-9_Trainer.exe	31
PID 1084 wrote to memory of 2780	1084	Crysis2_v1-9_Trainer.exe	31
PID 1084 wrote to memory of 2780	1084	Crysis2_v1-9_Trainer.exe	31
PID 1084 wrote to memory of 2836	1084	Crysis2_v1-9_Trainer.exe	32
PID 1084 wrote to memory of 2836	1084	Crysis2_v1-9_Trainer.exe	32
PID 1084 wrote to memory of 2836	1084	Crysis2_v1-9_Trainer.exe	32
PID 1084 wrote to memory of 2836	1084	Crysis2_v1-9_Trainer.exe	32
PID 1084 wrote to memory of 2836	1084	Crysis2_v1-9_Trainer.exe	32

C:\Users\Admin\AppData\Local\Temp\Crysis2_v1-9_Trainer\Crysis2_v1-9_Trainer.exe
"C:\Users\Admin\AppData\Local\Temp\Crysis2_v1-9_Trainer\Crysis2_v1-9_Trainer.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\Crysis2_v1-9_Trainer\Crysis2_v1-9_Trainer.exe
  "C:\Users\Admin\AppData\Local\Temp\Crysis2_v1-9_Trainer\Crysis2_v1-9_Trainer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2780
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1084-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-16-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1084-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-15-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2780-17-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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