xtremerat | bb562d8452956a42c40a7c9c35d6279b6ecafcd1a20f09e97c335ac071742935

General

Target

6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe
Size

108KB
MD5

6e542c4e52c34e9f0d3e5cf429efe791
SHA1

d8383373ef8d9a73506274d9d7207c0e4708f648
SHA256

bb562d8452956a42c40a7c9c35d6279b6ecafcd1a20f09e97c335ac071742935
SHA512

502cda41b7b08c5b672f6a201fdbd589101529f7eddef7c401846581296e275da3ea9db60935f770b8e829c1580c9b77e07b937a75e8c25accfbefdc74117999
SSDEEP

3072:doWMODtBqfTOHMgAqm5+5blKy96f2PZmis:dDD7rHMgNmM5bAPf2Y

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

aka-hacker.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4344-5-0x0000000010000000-0x000000001005F000-memory.dmp	family_xtremerat
behavioral2/memory/1040-7-0x0000000010000000-0x000000001005F000-memory.dmp	family_xtremerat
behavioral2/memory/4344-8-0x0000000010000000-0x000000001005F000-memory.dmp	family_xtremerat
behavioral2/memory/1040-9-0x0000000010000000-0x000000001005F000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4344-2-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4344-4-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4344-5-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4344-6-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/1040-7-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4344-8-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/1040-9-0x0000000010000000-0x000000001005F000-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
3412	1040	WerFault.exe	85
208	1040	WerFault.exe	85

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	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 3004 wrote to memory of 4344	3004	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	84
PID 4344 wrote to memory of 1040	4344	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	85
PID 4344 wrote to memory of 1040	4344	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	85
PID 4344 wrote to memory of 1040	4344	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	85
PID 4344 wrote to memory of 1040	4344	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	85
PID 4344 wrote to memory of 1324	4344	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	87
PID 4344 wrote to memory of 1324	4344	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	87
PID 4344 wrote to memory of 1324	4344	6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6e542c4e52c34e9f0d3e5cf429efe791_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4344
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 480
      4⤵
      Program crash
      PID:3412
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 488
      4⤵
      Program crash
      PID:208
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1040 -ip 1040
1⤵
PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1040 -ip 1040
1⤵
PID:320

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/1040-7-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/1040-9-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4344-2-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4344-4-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4344-5-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4344-6-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4344-8-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download

Analysis

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