xtremerat | 327d445b179002c70306d9df3ce7603fd850435409c8a5967b00824fab7434e7

General

Target

ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
Size

645KB
MD5

ae92be7e93ff4205d7bbde6b311e5d0e
SHA1

3dc9a0a174890fbf54378ded8d670467d7196670
SHA256

327d445b179002c70306d9df3ce7603fd850435409c8a5967b00824fab7434e7
SHA512

89269051738edb88e294ee5e4a27ccc4e5343ed29c2b7b776180ba2d35ef4e250a8396594c17e7ab7015b9dcd5f9718020ca6aac90a534a1a0ae0ffdd654b70c
SSDEEP

12288:6QZuOWo7YNQN2YcKify3iC8ut0i1oQjUZbvFFF/Dr5uiuVC7+:6nMwQgsiK3AcIXFFf5uiuVCi

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

nando1.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3512-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3512-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3008-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3512-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3008-15-0x0000000010000000-0x000000001004D000-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 1168 set thread context of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3512-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3512-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3512-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3512-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3008-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3512-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3008-15-0x0000000010000000-0x000000001004D000-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
4204	3008	WerFault.exe	86
5040	3008	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	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 1168 wrote to memory of 3512	1168	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	85
PID 3512 wrote to memory of 3008	3512	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	86
PID 3512 wrote to memory of 3008	3512	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	86
PID 3512 wrote to memory of 3008	3512	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	86
PID 3512 wrote to memory of 3008	3512	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	86
PID 3512 wrote to memory of 4764	3512	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	87
PID 3512 wrote to memory of 4764	3512	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	87
PID 3512 wrote to memory of 4764	3512	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3512
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 480
      4⤵
      Program crash
      PID:4204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 488
      4⤵
      Program crash
      PID:5040
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3008 -ip 3008
1⤵
PID:2068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3008 -ip 3008
1⤵
PID:2012

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/1168-0-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/1168-12-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/3008-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3512-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3512-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3512-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3512-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3512-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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