xtremerat | 532ea988bbc2ce48863e19808db4a4b7933d36a1c359d34d78c07170819f46aa

General

Target

9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
Size

111KB
MD5

9e1f1f2a3b150ada8cb6b956f9575928
SHA1

ac1ac7904a35a347f0db6eb3290c93ad7e0edf04
SHA256

532ea988bbc2ce48863e19808db4a4b7933d36a1c359d34d78c07170819f46aa
SHA512

43d01b450ef31301f588337d3ddfd9dc0b72427e4cc6f5abd91b1da6f76bfb15e97eb277c81b4a6cbed6b185a1f3c206d556a50351e58fc42cbd2cca192d55f0
SSDEEP

3072:g0M1iwNRUNi9xbAaBEYkmKf2gPOh6FNl+mLw:zh48Ykpn70

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

novohost.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/5096-29-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5096-30-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/544-31-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5096-32-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/544-33-0x0000000010000000-0x000000001004D000-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 2 IoCs

description	pid	Process	procid_target
PID 3888 set thread context of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 2356 set thread context of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5096-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5096-26-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5096-29-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5096-30-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/544-31-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5096-32-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/544-33-0x0000000010000000-0x000000001004D000-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
3096	544	WerFault.exe	87
5056	544	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 4 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	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 3888 wrote to memory of 2356	3888	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	85
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 2356 wrote to memory of 5096	2356	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	86
PID 5096 wrote to memory of 544	5096	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	87
PID 5096 wrote to memory of 544	5096	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	87
PID 5096 wrote to memory of 544	5096	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	87
PID 5096 wrote to memory of 544	5096	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	87
PID 5096 wrote to memory of 3356	5096	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	88
PID 5096 wrote to memory of 3356	5096	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	88
PID 5096 wrote to memory of 3356	5096	9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Users\Admin\AppData\Local\Temp\9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Users\Admin\AppData\Local\Temp\9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9e1f1f2a3b150ada8cb6b956f9575928_JaffaCakes118.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5096
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:544
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 480
        5⤵
        Program crash
        
        PID:3096
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 488
        5⤵
        Program crash
        
        PID:5056
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      4⤵
      PID:3356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 544 -ip 544
1⤵
PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 544 -ip 544
1⤵
PID:3136

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/544-33-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/544-31-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2356-21-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2356-27-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2356-19-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3888-12-0x00000000020F0000-0x0000000002100000-memory.dmp

Filesize
64KB

Download
memory/3888-7-0x0000000000600000-0x0000000000610000-memory.dmp

Filesize
64KB

Download
memory/3888-16-0x0000000002130000-0x0000000002140000-memory.dmp

Filesize
64KB

Download
memory/3888-5-0x00000000005D0000-0x00000000005E0000-memory.dmp

Filesize
64KB

Download
memory/3888-4-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download
memory/3888-14-0x0000000002110000-0x0000000002120000-memory.dmp

Filesize
64KB

Download
memory/3888-13-0x0000000002100000-0x0000000002110000-memory.dmp

Filesize
64KB

Download
memory/3888-0-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/3888-11-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/3888-10-0x0000000000630000-0x0000000000640000-memory.dmp

Filesize
64KB

Download
memory/3888-8-0x0000000000610000-0x0000000000620000-memory.dmp

Filesize
64KB

Download
memory/3888-15-0x0000000002120000-0x0000000002130000-memory.dmp

Filesize
64KB

Download
memory/3888-6-0x00000000005E0000-0x00000000005F0000-memory.dmp

Filesize
64KB

Download
memory/3888-2-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/3888-9-0x0000000000620000-0x0000000000630000-memory.dmp

Filesize
64KB

Download
memory/3888-3-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/3888-1-0x0000000000590000-0x00000000005A0000-memory.dmp

Filesize
64KB

Download
memory/5096-29-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5096-30-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5096-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5096-32-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5096-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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