xtremerat | 73c00a7ab828e9409fca75ca2c96f5351abee13775ebe91361fd414cbcf5a233

General

Target

5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
Size

111KB
MD5

5b8e18a6a15cc795a263236a8d7446bb
SHA1

abf6abe329180609e198f9628e87394111b95276
SHA256

73c00a7ab828e9409fca75ca2c96f5351abee13775ebe91361fd414cbcf5a233
SHA512

0edb94c0fd02d9b73717b697cda6561a3d3033ad4255c92a664f01e30e966b58008bb7fc890cae6a2e666e09597a5b47283f9243b42e8720b18106cf5ef48d7d
SSDEEP

1536:u2ghaZcYZqJC3xdTOuWrdhoh8SHtNeuH254uqXSXuh6Ox:uHaZ0JKZWxhPSNNy4uqXS

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

waresneis.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2316-25-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2316-24-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1264-26-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2316-27-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1264-29-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3288 set thread context of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2316-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2316-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2316-25-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2316-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1264-26-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2316-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1264-29-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe

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
2524	1264	WerFault.exe	86
3256	1264	WerFault.exe	86

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	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 3288 wrote to memory of 2316	3288	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	84
PID 2316 wrote to memory of 1264	2316	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	86
PID 2316 wrote to memory of 1264	2316	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	86
PID 2316 wrote to memory of 1264	2316	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	86
PID 2316 wrote to memory of 1264	2316	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	86
PID 2316 wrote to memory of 2148	2316	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	88
PID 2316 wrote to memory of 2148	2316	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	88
PID 2316 wrote to memory of 2148	2316	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1264
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 480
      4⤵
      Program crash
      PID:2524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 488
      4⤵
      Program crash
      PID:3256
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1264 -ip 1264
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1264 -ip 1264
1⤵
PID:1436

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

Loading Replay Monitor...

Downloads

memory/1264-29-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1264-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2316-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2316-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2316-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2316-25-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2316-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3288-17-0x00000000025C0000-0x00000000025D0000-memory.dmp

Filesize
64KB

Download
memory/3288-5-0x0000000000710000-0x0000000000720000-memory.dmp

Filesize
64KB

Download
memory/3288-14-0x0000000002590000-0x00000000025A0000-memory.dmp

Filesize
64KB

Download
memory/3288-11-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/3288-13-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/3288-10-0x0000000002540000-0x0000000002550000-memory.dmp

Filesize
64KB

Download
memory/3288-9-0x0000000002530000-0x0000000002540000-memory.dmp

Filesize
64KB

Download
memory/3288-8-0x0000000002520000-0x0000000002530000-memory.dmp

Filesize
64KB

Download
memory/3288-6-0x0000000002500000-0x0000000002510000-memory.dmp

Filesize
64KB

Download
memory/3288-15-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/3288-4-0x0000000000700000-0x0000000000710000-memory.dmp

Filesize
64KB

Download
memory/3288-16-0x00000000025B0000-0x00000000025C0000-memory.dmp

Filesize
64KB

Download
memory/3288-22-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/3288-0-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/3288-12-0x0000000002570000-0x0000000002580000-memory.dmp

Filesize
64KB

Download
memory/3288-7-0x0000000002510000-0x0000000002520000-memory.dmp

Filesize
64KB

Download
memory/3288-1-0x0000000000540000-0x0000000000550000-memory.dmp

Filesize
64KB

Download
memory/3288-2-0x00000000006E0000-0x00000000006F0000-memory.dmp

Filesize
64KB

Download
memory/3288-3-0x00000000006F0000-0x0000000000700000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing