xtremerat | 73778274ba4594512defec0aa62b79dcbf43af1e4f9e905c92386d189276ae84

General

Target

fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
Size

198KB
MD5

fa433772a2fbd5d509e9a2b4cbda4a09
SHA1

8d7eaffd18760a2378235c3ab8a9dc697f004e65
SHA256

73778274ba4594512defec0aa62b79dcbf43af1e4f9e905c92386d189276ae84
SHA512

4922614bf77fa612ccf85c04e712fe981a3364e7f336ffd389fa56eefde1896242fa5e20e37e1d99d9ad79895f70f4eaad9aa3e05be16d0519109c236622f2b5
SSDEEP

3072:0XVL++CyQTUh4O43HAk8duEys91lxYC5/qAq+EEtrtzwR1Zx1WAjqY:081yQH7Eys9nxV5/qAYEZtzwR1Zx1

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2980-20-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2980-17-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2980-16-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2980-15-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2980-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2980-13-0x0000000010000000-0x0000000010048000-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

Executes dropped EXE 1 IoCs

pid	Process
2980	svhost.exe

Loads dropped DLL 2 IoCs

pid	Process
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 528 set thread context of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32

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 1 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	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 2968	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	31
PID 528 wrote to memory of 2968	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	31
PID 528 wrote to memory of 2968	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	31
PID 528 wrote to memory of 2968	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	31
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32
PID 528 wrote to memory of 2980	528	fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa433772a2fbd5d509e9a2b4cbda4a09_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:528
- C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\svhost.exe
  2⤵
  PID:2968
- C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:2980

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

\Users\Admin\AppData\Local\Temp\winamp\svhost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/528-0-0x0000000073EF1000-0x0000000073EF2000-memory.dmp

Filesize
4KB

Download
memory/528-1-0x0000000073EF0000-0x000000007449B000-memory.dmp

Filesize
5.7MB

Download
memory/528-2-0x0000000073EF0000-0x000000007449B000-memory.dmp

Filesize
5.7MB

Download
memory/528-22-0x0000000073EF0000-0x000000007449B000-memory.dmp

Filesize
5.7MB

Download
memory/2980-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-20-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2980-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2980-16-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2980-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2980-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2980-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2980-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2980-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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