xtremerat | 3ab51d6a0fdb835fffe9c03fb5a3dcebaf2ae812d786f67404259428ca255017

General

Target

JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe
Size

146KB
MD5

91a52b1e5f730bd2044d30314fa1f034
SHA1

0c3a823b87ae0f90e7fe69b9bcb3b2af714d9be5
SHA256

3ab51d6a0fdb835fffe9c03fb5a3dcebaf2ae812d786f67404259428ca255017
SHA512

84369ff648655820bf8c631d0a657a5a02bcd49e2cd6cdfac0c1973ff8433c01a20ef76746e85dc1f464f773b5d4615e8083072545b0f9820c2216d6e53356cc
SSDEEP

3072:Mik3B6vNN3mdeActm2+zVmyBjHcOGW1KQBKGfLy3l3:Mikx61W59cOGW1tBr+V

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2680-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2680-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2740-11-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2680-12-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2740-13-0x0000000010000000-0x0000000010048000-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 2764 set thread context of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2680-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2680-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2680-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2740-11-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2680-12-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2740-13-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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_91a52b1e5f730bd2044d30314fa1f034.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe
Token: 33	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe
Token: SeIncBasePriorityPrivilege	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2764 wrote to memory of 2680	2764	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	31
PID 2680 wrote to memory of 2740	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	32
PID 2680 wrote to memory of 2740	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	32
PID 2680 wrote to memory of 2740	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	32
PID 2680 wrote to memory of 2740	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	32
PID 2680 wrote to memory of 2740	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	32
PID 2680 wrote to memory of 2400	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	33
PID 2680 wrote to memory of 2400	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	33
PID 2680 wrote to memory of 2400	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	33
PID 2680 wrote to memory of 2400	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	33
PID 2680 wrote to memory of 2400	2680	JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91a52b1e5f730bd2044d30314fa1f034.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2740
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2400

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

Loading Replay Monitor...

Downloads

memory/2680-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2680-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2680-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2680-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2680-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2740-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2740-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2740-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2764-0-0x0000000074081000-0x0000000074082000-memory.dmp

Filesize
4KB

Download
memory/2764-1-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-2-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-7-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing