xtremerat | 969e50237f0c4177abf5e8266c465e7a90e8962fbb7a800c32d59013fd4d6bc0

General

Target

bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe
Size

106KB
MD5

bba9f9b5323986849596e2a63509f233
SHA1

2b5af5e575b68a0631692ebeea11a150eaff6bb2
SHA256

969e50237f0c4177abf5e8266c465e7a90e8962fbb7a800c32d59013fd4d6bc0
SHA512

a4995e9b50711f07c668c830bd99801006bc536850e0e8d01b8537a01574cb269138f2ac3d5c34f8ea479f5a0e58713e0603fcabcd706bcef0080647681be411
SSDEEP

3072:E9DbikDfrswfynnZyOlQ+fq/75GinKIWiMysngr:ERnL6EOZDinKI4yz

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

moon2009us.linkpc.net

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2768-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2644-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2644-15-0x0000000010000000-0x000000001004D000-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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2768-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2768-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2768-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2644-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2644-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30

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	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2976 wrote to memory of 2768	2976	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2644	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	31
PID 2768 wrote to memory of 2644	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	31
PID 2768 wrote to memory of 2644	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	31
PID 2768 wrote to memory of 2644	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	31
PID 2768 wrote to memory of 2644	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	31
PID 2768 wrote to memory of 2300	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2300	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2300	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2300	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	32
PID 2768 wrote to memory of 2300	2768	bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\bba9f9b5323986849596e2a63509f233_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2644
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2300

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/2644-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2644-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2644-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2768-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2768-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2768-8-0x0000000000400000-0x0000000000488D3C-memory.dmp

Filesize
547KB

Download
memory/2768-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2976-0-0x0000000000400000-0x0000000000488D3C-memory.dmp

Filesize
547KB

Download
memory/2976-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2976-5-0x0000000002390000-0x0000000002419000-memory.dmp

Filesize
548KB

Download
memory/2976-12-0x0000000000400000-0x0000000000488D3C-memory.dmp

Filesize
547KB

Download
memory/2976-7-0x0000000000400000-0x0000000000488D3C-memory.dmp

Filesize
547KB

Download

Analysis

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