xtremerat | bdc2b55659b8b89d1bb54d80b64d85527fb67382a4b8fc58852bb3513605822c

General

Target

d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe
Size

117KB
MD5

d5d1d52ae2c5479eb5dded21656ed24b
SHA1

87201fc20230954670141ce7853c1e6c9bb92003
SHA256

bdc2b55659b8b89d1bb54d80b64d85527fb67382a4b8fc58852bb3513605822c
SHA512

f85b4c35853a1d8753f0e6805886229c00815779c8b082e1ab3496dcadf9c7759a6450c3d0f1548f14acc78e339b78a5ea570e9cdbefb4f8d226718d312d797a
SSDEEP

1536:HReaCi4LtqlqHrwr2zST+J5Zme8pDYJ0TFsII2jENH6K0SrXkEKcrXk:HReaCi4JMr4ST+odJDsIIKo6K0Sm0k

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

nando1.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4432-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4592-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4432-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4592-10-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4000 set thread context of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4432-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4432-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4432-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4432-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4592-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4432-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4592-10-0x0000000010000000-0x000000001004D000-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
4860	4592	WerFault.exe	83
2956	4592	WerFault.exe	83

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	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4000 wrote to memory of 4432	4000	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	82
PID 4432 wrote to memory of 4592	4432	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	83
PID 4432 wrote to memory of 4592	4432	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	83
PID 4432 wrote to memory of 4592	4432	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	83
PID 4432 wrote to memory of 4592	4432	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	83
PID 4432 wrote to memory of 4672	4432	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	84
PID 4432 wrote to memory of 4672	4432	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	84
PID 4432 wrote to memory of 4672	4432	d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d5d1d52ae2c5479eb5dded21656ed24b_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4432
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 480
      4⤵
      Program crash
      PID:4860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 488
      4⤵
      Program crash
      PID:2956
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4592 -ip 4592
1⤵
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4592 -ip 4592
1⤵
PID:3376

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/4432-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4432-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4432-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4432-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4432-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4592-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4592-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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