xtremerat | 792f4a19b63f5fd9fb2c6c90641c5f521f356c93112b8bf7db15ae40e6931114

General

Target

JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe
Size

228KB
MD5

73ea30014f5b74c0cadc8def2406d087
SHA1

5447215d8a9de6ab586f6d12d8b1bea5dd9b2ff3
SHA256

792f4a19b63f5fd9fb2c6c90641c5f521f356c93112b8bf7db15ae40e6931114
SHA512

b656207ef6ee4d586ee9ad7af5c6528715c352355331b9c2d7381d09834831e3c9f80d5d845f097bf349c062d757316cec849aae6076202968b420287f85421e
SSDEEP

6144:lnpAOgw8HYWO9QD7+AfK9P0dQcecrFYcS7s4UAtFHBxz:lnpH4HYWO9QPfKNceJY4UAxx

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

scd.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4668-19-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1060-21-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1060-22-0x0000000077190000-0x0000000077280000-memory.dmp	family_xtremerat
behavioral2/memory/1060-24-0x0000000010000000-0x000000001004D000-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 3372 set thread context of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4668-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4668-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4668-19-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1060-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1060-24-0x0000000010000000-0x000000001004D000-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
2036	1060	WerFault.exe	89
4564	1060	WerFault.exe	89

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_73ea30014f5b74c0cadc8def2406d087.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 3372 wrote to memory of 4668	3372	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	86
PID 4668 wrote to memory of 1060	4668	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	89
PID 4668 wrote to memory of 1060	4668	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	89
PID 4668 wrote to memory of 1060	4668	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	89
PID 4668 wrote to memory of 1060	4668	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	89
PID 4668 wrote to memory of 2352	4668	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	90
PID 4668 wrote to memory of 2352	4668	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	90
PID 4668 wrote to memory of 2352	4668	JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ea30014f5b74c0cadc8def2406d087.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 484
      4⤵
      Program crash
      PID:2036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 492
      4⤵
      Program crash
      PID:4564
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1060 -ip 1060
1⤵
PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1060 -ip 1060
1⤵
PID:1984

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/1060-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1060-22-0x0000000077190000-0x0000000077280000-memory.dmp

Filesize
960KB

Download
memory/1060-25-0x0000000077190000-0x0000000077280000-memory.dmp

Filesize
960KB

Download
memory/1060-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3372-3-0x0000000002390000-0x00000000023A0000-memory.dmp

Filesize
64KB

Download
memory/3372-12-0x0000000077190000-0x0000000077280000-memory.dmp

Filesize
960KB

Download
memory/3372-5-0x0000000077652000-0x0000000077653000-memory.dmp

Filesize
4KB

Download
memory/3372-4-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/3372-8-0x00000000771B0000-0x00000000771B1000-memory.dmp

Filesize
4KB

Download
memory/3372-9-0x0000000077190000-0x0000000077280000-memory.dmp

Filesize
960KB

Download
memory/3372-0-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/3372-6-0x00000000023E0000-0x00000000023F0000-memory.dmp

Filesize
64KB

Download
memory/3372-15-0x00000000005F0000-0x000000000062D000-memory.dmp

Filesize
244KB

Download
memory/3372-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3372-16-0x0000000077190000-0x0000000077280000-memory.dmp

Filesize
960KB

Download
memory/3372-7-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/3372-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3372-1-0x00000000005F0000-0x000000000062D000-memory.dmp

Filesize
244KB

Download
memory/4668-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4668-20-0x0000000077190000-0x0000000077280000-memory.dmp

Filesize
960KB

Download
memory/4668-23-0x0000000077190000-0x0000000077280000-memory.dmp

Filesize
960KB

Download
memory/4668-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4668-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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