xtremerat | 53d810367978a6cf71d8b0af7859e01e67b6cf23be83c6248e445b7a2ddd7efc

General

Target

JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe
Size

233KB
MD5

06c378bb207e0febb810f40334c5988b
SHA1

70a3d54c393b8f39457947c998794afbd4132218
SHA256

53d810367978a6cf71d8b0af7859e01e67b6cf23be83c6248e445b7a2ddd7efc
SHA512

a76a326d329b3f99747ca4953a694b2290344ab55a93fe4ae8eb1a9ee1de721b396abbf6d3280e073fe1ad4ebdffe44a36c65344177b743b0e167e4775fe81c4
SSDEEP

6144:FyGsgenDjBQSE7MnnSpZK3finayp+ZbWGsuz/R8H8sFs:FdsgenxxEInnMWfSHmD+s

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

xstremaa.no-ip.info

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/752-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2192-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2192-16-0x0000000010000000-0x000000001004D000-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 1080 set thread context of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/752-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/752-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/752-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2192-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2192-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2464	2192	WerFault.exe	83
2140	2192	WerFault.exe	83

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_06c378bb207e0febb810f40334c5988b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 1080 wrote to memory of 752	1080	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	82
PID 752 wrote to memory of 2192	752	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	83
PID 752 wrote to memory of 2192	752	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	83
PID 752 wrote to memory of 2192	752	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	83
PID 752 wrote to memory of 2192	752	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	83
PID 752 wrote to memory of 3060	752	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	84
PID 752 wrote to memory of 3060	752	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	84
PID 752 wrote to memory of 3060	752	JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06c378bb207e0febb810f40334c5988b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:752
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2192
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 476
      4⤵
      Program crash
      PID:2464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 488
      4⤵
      Program crash
      PID:2140
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2192 -ip 2192
1⤵
PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2192 -ip 2192
1⤵
PID:2588

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/752-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/752-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/752-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1080-3-0x0000000000400000-0x0000000000448A24-memory.dmp

Filesize
290KB

Download
memory/1080-4-0x0000000002670000-0x00000000026A3000-memory.dmp

Filesize
204KB

Download
memory/1080-5-0x0000000000400000-0x0000000000448A24-memory.dmp

Filesize
290KB

Download
memory/1080-0-0x0000000000400000-0x0000000000448A24-memory.dmp

Filesize
290KB

Download
memory/1080-2-0x0000000000408000-0x000000000040A000-memory.dmp

Filesize
8KB

Download
memory/1080-10-0x0000000002670000-0x00000000026A3000-memory.dmp

Filesize
204KB

Download
memory/1080-13-0x0000000000400000-0x0000000000448A24-memory.dmp

Filesize
290KB

Download
memory/1080-1-0x0000000000400000-0x0000000000448A24-memory.dmp

Filesize
290KB

Download
memory/2192-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2192-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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