xtremerat | 3e516424ae7a476715627a7ca297ff0c904c5d855b05ffef04ad427298f1ab13

General

Target

8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe
Size

113KB
MD5

8d47f815c276735b6a1d555a3e568884
SHA1

c0d2ef0ba575fa6825545ef4cbb7b11b7d5de84b
SHA256

3e516424ae7a476715627a7ca297ff0c904c5d855b05ffef04ad427298f1ab13
SHA512

e36bf2e557ef5d56bd0a1d44cd4bcdac89d3ba19daa8210c55231051227f25c3d886f54ef9068eaf150b42b4d2007392734341d9a3a0c3189bf40e6847318096
SSDEEP

1536:VdOqztWa1qOfjePIjziyo85gPwpPMyNqmVuR9ZKxNYoo9FVJx5xIVZ97:VMqpFXiy9AR4uxKxpo9vwT97

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

franco800.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2396-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2396-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1400-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2396-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1400-16-0x0000000010000000-0x000000001004D000-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 2176 set thread context of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2396-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2396-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2396-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2396-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2396-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2396-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1400-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2396-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1400-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2160	2176	WerFault.exe	29

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2396	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2160	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	31
PID 2176 wrote to memory of 2160	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	31
PID 2176 wrote to memory of 2160	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	31
PID 2176 wrote to memory of 2160	2176	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	31
PID 2396 wrote to memory of 1400	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	32
PID 2396 wrote to memory of 1400	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	32
PID 2396 wrote to memory of 1400	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	32
PID 2396 wrote to memory of 1400	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	32
PID 2396 wrote to memory of 1400	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	32
PID 2396 wrote to memory of 2444	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	33
PID 2396 wrote to memory of 2444	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	33
PID 2396 wrote to memory of 2444	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	33
PID 2396 wrote to memory of 2444	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	33
PID 2396 wrote to memory of 2444	2396	8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8d47f815c276735b6a1d555a3e568884_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1400
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 204
  2⤵
  - Program crash
  PID:2160

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/1400-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1400-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2396-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2396-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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