xtremerat | f2527f13af8583daaca036ddfb8f4f6715b8b086a8a4b35fa215b501261b1e56

General

Target

974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe
Size

204KB
MD5

974856747485487c8d4eaeb9d9e6ae61
SHA1

afc3a7d278037d5af3225ea76ba614d79532ceff
SHA256

f2527f13af8583daaca036ddfb8f4f6715b8b086a8a4b35fa215b501261b1e56
SHA512

285779f7f3622dd3e41726024039fb71f001884b9863cc87dbfdd70939f4bcdf1efa46e89eab2c294a23722b64af9b5f80843240940264a802b0d515139c6bd8
SSDEEP

6144:mYq/crJ+4eX8JpRE6HEPWZwjAZa+3+AVOEMyN:mbkrJ+4eMusEPWDZTMyN

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

abooood.no-ip.info

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2748-9-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/5040-10-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/5040-11-0x0000000010000000-0x0000000010049000-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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2748-4-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/2748-7-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/2748-9-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/5040-10-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/5040-11-0x0000000010000000-0x0000000010049000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4536 set thread context of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84

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
1852	5040	WerFault.exe	86
1876	5040	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	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2748	4536	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	84
PID 2748 wrote to memory of 5040	2748	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	86
PID 2748 wrote to memory of 5040	2748	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	86
PID 2748 wrote to memory of 5040	2748	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	86
PID 2748 wrote to memory of 5040	2748	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	86
PID 2748 wrote to memory of 3640	2748	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	88
PID 2748 wrote to memory of 3640	2748	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	88
PID 2748 wrote to memory of 3640	2748	974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Users\Admin\AppData\Local\Temp\974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\974856747485487c8d4eaeb9d9e6ae61_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 484
      4⤵
      Program crash
      PID:1852
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 500
      4⤵
      Program crash
      PID:1876
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5040 -ip 5040
1⤵
PID:2468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 5040 -ip 5040
1⤵
PID:2924

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/2748-4-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/2748-7-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/2748-9-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/4536-0-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4536-1-0x0000000000401000-0x0000000000434000-memory.dmp

Filesize
204KB

Download
memory/4536-8-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/5040-10-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/5040-11-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download

Analysis

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