xtremerat | 249247e67ef295a5ddfda8efc2e88abb10ecf05cc0e1fda7089b36794f599e83

General

Target

JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe
Size

95KB
MD5

80d1e5b8b5d64fbc76b768e05cce43c7
SHA1

6e6a1453fcbb30e96402b4936234db1d2ec9651f
SHA256

249247e67ef295a5ddfda8efc2e88abb10ecf05cc0e1fda7089b36794f599e83
SHA512

75a3ed58062cbe536cd7601b899b48f9727edc031737d8431af530384d82eaed0aee7350a180894a96984613d78d01e1ce2c4d79e6cc8cd0709f8cad1930023f
SSDEEP

1536:2psRlTCJVbE4HS3nM0ZsFFT/QbazprM5tGFO0sK5BCceQ6WEakIN+0QGBVBIl2if:LaVbDHmuTQUMad5EcqPB6IlhPnH

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2596-8-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral1/memory/2596-7-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral1/memory/2752-11-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral1/memory/2596-12-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral1/memory/2752-13-0x0000000010000000-0x0000000010054000-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 2268 set thread context of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2596-3-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral1/memory/2596-6-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral1/memory/2596-8-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral1/memory/2596-7-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral1/memory/2752-11-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral1/memory/2596-12-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral1/memory/2752-13-0x0000000010000000-0x0000000010054000-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 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	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2268 wrote to memory of 2596	2268	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	29
PID 2596 wrote to memory of 2752	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	30
PID 2596 wrote to memory of 2752	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	30
PID 2596 wrote to memory of 2752	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	30
PID 2596 wrote to memory of 2752	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	30
PID 2596 wrote to memory of 2752	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	30
PID 2596 wrote to memory of 2804	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	31
PID 2596 wrote to memory of 2804	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	31
PID 2596 wrote to memory of 2804	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	31
PID 2596 wrote to memory of 2804	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	31
PID 2596 wrote to memory of 2804	2596	JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80d1e5b8b5d64fbc76b768e05cce43c7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2752
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2804

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/2268-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2268-4-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2596-3-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2596-6-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2596-8-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2596-7-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2596-12-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2752-11-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2752-9-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2752-13-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download

Analysis

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