xtremerat | 7015cf660bf90a764296b6d069b5bd513e73c36197f633ee20183c5b0c3ead68

General

Target

JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe
Size

106KB
MD5

a60b7e6100ca2e49c1d4d1b6e00f8fb6
SHA1

8fa4780b030ba9fcbcaa18a668a98365b09f52e5
SHA256

7015cf660bf90a764296b6d069b5bd513e73c36197f633ee20183c5b0c3ead68
SHA512

1f0772acbcdaa444d4f5b3af5ac68b7a6f8154c0cf2057952099de8c5132edd67e7e2e2e6c093fa0e00032ea3ed770a5b675a90e3a35a9b8dee717269d646ca9
SSDEEP

3072:a+HP9NyT9Ey5ZLG8IiLuHj8HmChsUJvvuST2:CV5ZLbIIuHQHmCuSv2

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

jorda21.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2212-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2212-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4996-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2212-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4996-9-0x0000000010000000-0x000000001004A000-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 2744 set thread context of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2212-2-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2212-4-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2212-6-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2212-5-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/4996-7-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2212-8-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/4996-9-0x0000000010000000-0x000000001004A000-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
1340	4996	WerFault.exe	85
5104	4996	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	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2744 wrote to memory of 2212	2744	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	84
PID 2212 wrote to memory of 4996	2212	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	85
PID 2212 wrote to memory of 4996	2212	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	85
PID 2212 wrote to memory of 4996	2212	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	85
PID 2212 wrote to memory of 4996	2212	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	85
PID 2212 wrote to memory of 864	2212	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	87
PID 2212 wrote to memory of 864	2212	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	87
PID 2212 wrote to memory of 864	2212	JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a60b7e6100ca2e49c1d4d1b6e00f8fb6.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4996
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 488
      4⤵
      Program crash
      PID:1340
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 496
      4⤵
      Program crash
      PID:5104
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4996 -ip 4996
1⤵
PID:4300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4996 -ip 4996
1⤵
PID:1112

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/2212-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2212-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2212-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2212-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2212-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4996-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4996-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing