xtremerat | 7749206551e48c3b2ea550054e46bd3db81fcaa8882c507c49cf3eef01b1fd1d

General

Target

JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe
Size

1022KB
MD5

567cdf0c695fc906e9312f8ed1e8abec
SHA1

e52c5c6d6b79cc38b4e3baac4a82e88156530ba1
SHA256

7749206551e48c3b2ea550054e46bd3db81fcaa8882c507c49cf3eef01b1fd1d
SHA512

69b5d3784e3e1f351f7226f2221257ad45f7c8e0afc0f8c466e5b86838bcd50ea6f3bad4085f1b0cae24a5cc6454e1ce6c4851a86f49f8382f450039d25ff0ce
SSDEEP

3072:71ppM48XpHWH/k1nLBnAebAD69BjvdjH5B91o032ZwjyVcfehTwHdkimsvxNafQ/:x/bA2HgBA0AG9BjVr5BYwHdz/CQKR

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/4816-5-0x0000000000C80000-0x0000000000C93000-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 2 IoCs

description	pid	Process	procid_target
PID 772 set thread context of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 set thread context of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2868	4712	WerFault.exe	84
2480	4816	WerFault.exe	87

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	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4712	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe
4816	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4712	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	84
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87
PID 772 wrote to memory of 4816	772	JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe
  2⤵
  - Suspicious use of UnmapMainImage
  PID:4712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 12
    3⤵
    - Program crash
    PID:2868
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_567cdf0c695fc906e9312f8ed1e8abec.exe
  2⤵
  - Suspicious use of UnmapMainImage
  PID:4816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 12
    3⤵
    - Program crash
    PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4712 -ip 4712
1⤵
PID:2384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4816 -ip 4816
1⤵
PID:1272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/772-0-0x000000007501E000-0x000000007501F000-memory.dmp

Filesize
4KB

Download
memory/772-1-0x0000000000080000-0x0000000000188000-memory.dmp

Filesize
1.0MB

Download
memory/772-2-0x0000000004A60000-0x0000000004AFC000-memory.dmp

Filesize
624KB

Download
memory/772-4-0x000000000E9E0000-0x000000000EF84000-memory.dmp

Filesize
5.6MB

Download
memory/4712-3-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4816-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

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