xtremerat | 6ea117d4d58dd5ad3dca68457e9d64629c6fb4279fcaf733710988cbf6d36685

General

Target

0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe
Size

448KB
MD5

0d85eac1231895c7931dfe36d50a44eb
SHA1

e03ae2b24473ac46440af570c1b48aa3b22bb032
SHA256

6ea117d4d58dd5ad3dca68457e9d64629c6fb4279fcaf733710988cbf6d36685
SHA512

db3e582ea5090836817cd4f60a5780fec2df7f3b8a11e4b85de30420e7c9ddb9a0ff1cd6dd69856d0cb363368f2dd0fddcb3b60f0399fe6fa644e71c6f48aede
SSDEEP

3072:J2fiQUShCEJneq1DT3AZMA1b1DT3AZMA1liqbTKgLF3pp341DT3AZMA1:xo1W1UKgLF81

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

dfuso.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2476-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2476-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2552-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2476-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2552-9-0x0000000010000000-0x000000001004D000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2476-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2476-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2476-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2476-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2552-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2476-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2552-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81

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
2128	2552	WerFault.exe	82
1852	2552	WerFault.exe	82

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2848 wrote to memory of 2476	2848	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	81
PID 2476 wrote to memory of 2552	2476	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	82
PID 2476 wrote to memory of 2552	2476	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	82
PID 2476 wrote to memory of 2552	2476	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	82
PID 2476 wrote to memory of 2552	2476	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	82
PID 2476 wrote to memory of 3568	2476	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	83
PID 2476 wrote to memory of 3568	2476	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	83
PID 2476 wrote to memory of 3568	2476	0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0d85eac1231895c7931dfe36d50a44eb_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:2552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 480
      4⤵
      Program crash
      PID:2128
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 488
      4⤵
      Program crash
      PID:1852
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2552 -ip 2552
1⤵
PID:2772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2552 -ip 2552
1⤵
PID:4576

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2476-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2476-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2476-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2476-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2476-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2552-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2552-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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