xtremerat | 60d468845eb5b87fd13965918bb8bfe546c1cd8d01a5ab78ea65a8fdd586f296

General

Target

JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe
Size

314KB
MD5

459dff0a11f1099d65434e01b5cd8ea8
SHA1

87cd27ce5052bb97f7785a0a86fe7be2473be6f3
SHA256

60d468845eb5b87fd13965918bb8bfe546c1cd8d01a5ab78ea65a8fdd586f296
SHA512

4c112e41f045b8a2e6c20b55451b807fbc4beff574adb3ea442c109a8b5362cbdeb969fc40cd816c020a960253f6f758adeb51ab977ac20a8338b4e6e108ecb0
SSDEEP

6144:n66qhSX+YZm8va6CxLiRhZ5GqGGbhOCEvl3HfnxOE:3qhSX7UBIRhZ5RxON

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/5008-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5008-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1468-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5008-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1468-11-0x0000000010000000-0x000000001004D000-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 2032 set thread context of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5008-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5008-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5008-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5008-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1468-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5008-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1468-11-0x0000000010000000-0x000000001004D000-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
1048	1468	WerFault.exe	83
3164	1468	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_459dff0a11f1099d65434e01b5cd8ea8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 2032 wrote to memory of 5008	2032	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	82
PID 5008 wrote to memory of 1468	5008	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	83
PID 5008 wrote to memory of 1468	5008	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	83
PID 5008 wrote to memory of 1468	5008	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	83
PID 5008 wrote to memory of 1468	5008	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	83
PID 5008 wrote to memory of 4712	5008	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	84
PID 5008 wrote to memory of 4712	5008	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	84
PID 5008 wrote to memory of 4712	5008	JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_459dff0a11f1099d65434e01b5cd8ea8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5008
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 480
      4⤵
      Program crash
      PID:1048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 504
      4⤵
      Program crash
      PID:3164
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1468 -ip 1468
1⤵
PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1468 -ip 1468
1⤵
PID:3460

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/1468-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1468-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2032-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2032-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/5008-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5008-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5008-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5008-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5008-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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