xtremerat | c9d47aa23f51f27f51082ccaabb34093da7832945f587d0b32a53e21d9a2824d

General

Target

JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe
Size

238KB
MD5

274b2285d73409e280ddf70f330e3f0d
SHA1

98140f542775f6c73b795713d7fe1b5828b15a53
SHA256

c9d47aa23f51f27f51082ccaabb34093da7832945f587d0b32a53e21d9a2824d
SHA512

5bda5ddfb6f76dc60fff4c3049f8102c20e2cafc6992de4b40ba6d75c474a37b395db353e5c50d57c1520e84481bdd5bd1351c74abca7bfe2c21ced62007816a
SSDEEP

6144:mOHhnV9TaWanVx7B0zEhcaFpvBw1nHAUlLMvUJEWinnfMa+9a:mO9Tahnb7BDMp6MuWif2a

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

psycho-mantis.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1408-16-0x0000000010000000-0x0000000010057000-memory.dmp	family_xtremerat
behavioral2/memory/2480-19-0x0000000010000000-0x0000000010057000-memory.dmp	family_xtremerat
behavioral2/memory/1408-22-0x0000000010000000-0x0000000010057000-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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1408-16-0x0000000010000000-0x0000000010057000-memory.dmp	upx
behavioral2/memory/2480-19-0x0000000010000000-0x0000000010057000-memory.dmp	upx
behavioral2/memory/1408-22-0x0000000010000000-0x0000000010057000-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
2452	1408	WerFault.exe	82
3080	1408	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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_274b2285d73409e280ddf70f330e3f0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 1408	2480	JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe	82
PID 2480 wrote to memory of 1408	2480	JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe	82
PID 2480 wrote to memory of 1408	2480	JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe	82
PID 2480 wrote to memory of 1408	2480	JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe	82
PID 2480 wrote to memory of 1204	2480	JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe	83
PID 2480 wrote to memory of 1204	2480	JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe	83
PID 2480 wrote to memory of 1204	2480	JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_274b2285d73409e280ddf70f330e3f0d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 480
    3⤵
    - Program crash
    PID:2452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 488
    3⤵
    - Program crash
    PID:3080
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1408 -ip 1408
1⤵
PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1408 -ip 1408
1⤵
PID:1852

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/1408-16-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/1408-23-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/1408-22-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/1408-18-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/2480-4-0x0000000077702000-0x0000000077703000-memory.dmp

Filesize
4KB

Download
memory/2480-12-0x00000000020F0000-0x0000000002100000-memory.dmp

Filesize
64KB

Download
memory/2480-0-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/2480-9-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/2480-8-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/2480-7-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/2480-10-0x0000000002050000-0x00000000020A2000-memory.dmp

Filesize
328KB

Download
memory/2480-11-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/2480-13-0x0000000002170000-0x0000000002180000-memory.dmp

Filesize
64KB

Download
memory/2480-6-0x0000000075AF0000-0x0000000075AF1000-memory.dmp

Filesize
4KB

Download
memory/2480-15-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/2480-14-0x00000000022F0000-0x0000000002300000-memory.dmp

Filesize
64KB

Download
memory/2480-5-0x00000000022F0000-0x0000000002300000-memory.dmp

Filesize
64KB

Download
memory/2480-17-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/2480-2-0x00000000020F0000-0x0000000002100000-memory.dmp

Filesize
64KB

Download
memory/2480-19-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/2480-20-0x0000000002050000-0x00000000020A2000-memory.dmp

Filesize
328KB

Download
memory/2480-21-0x0000000075AD0000-0x0000000075BC0000-memory.dmp

Filesize
960KB

Download
memory/2480-3-0x0000000002170000-0x0000000002180000-memory.dmp

Filesize
64KB

Download
memory/2480-1-0x0000000002050000-0x00000000020A2000-memory.dmp

Filesize
328KB

Download

Analysis

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