xtremerat | 7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173

General

Target

7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe
Size

110KB
MD5

232d9c60918efc4549847704857f39e0
SHA1

a1ed690a4ec900905f60c9db0d1e5645757d1378
SHA256

7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173
SHA512

5b2559d5e424a6e03e60ede52f04a242ed93bee4d8bcdc52e461d86a57e226a2db0457f45528e287d90b4375213ba9ab20b5474a523a4f018b48b7608733eaa9
SSDEEP

3072:aGJyungcpq9EhuN3sIjW9FVKeqdp7Ol5nizw6J0:aGJyuw9EhrIjW9FQLp7O/ic

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mrjoo.no-ip.info

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3392-9-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/3392-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/3392-10-0x0000000010000000-0x000000001004B000-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 3784 set thread context of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3784-0-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/3392-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3392-5-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3784-7-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/3392-9-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3392-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3392-10-0x0000000010000000-0x000000001004B000-memory.dmp	upx

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 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	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3784 wrote to memory of 3392	3784	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	83
PID 3392 wrote to memory of 4464	3392	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	84
PID 3392 wrote to memory of 4464	3392	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	84
PID 3392 wrote to memory of 4464	3392	7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe	84

C:\Users\Admin\AppData\Local\Temp\7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe
"C:\Users\Admin\AppData\Local\Temp\7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Users\Admin\AppData\Local\Temp\7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe
  C:\Users\Admin\AppData\Local\Temp\7499ea6c943532f04d2765ddaf6e995b70be6b582c824c9e87a05cf053b65173N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3392
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4464

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/3392-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3392-5-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3392-9-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3392-8-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3392-10-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3784-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3784-7-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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