xtremerat | 2e3bee4f7e334e2da0cf399c8e6bbcfded717c8613d9fa39ebbe0b752fc53b59

General

Target

JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
Size

636KB
MD5

22b577f297a90740d0645c9ac0abe0ac
SHA1

ff3f2d29a257e48c9f889a4b6b2f71fc65441f32
SHA256

2e3bee4f7e334e2da0cf399c8e6bbcfded717c8613d9fa39ebbe0b752fc53b59
SHA512

78651591a094a2310275da8b9d99490ddef746c8fee5d36a7b70020dbe9b6c9413a95f611daa59a3aa64c71b258f2268ae84ac535701c9e18756d5037c7d28d3
SSDEEP

12288:Vo7YNQyRLPxez8dFlZqBFgNhza28pYnz1WZXNpby4d8S29OqW90rajSmfB:WwQy+z+8PtZYz1WP8SWOqWGIpB

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

furky37.dyndns.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/860-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/860-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5072-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/860-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/5072-14-0x0000000010000000-0x000000001004A000-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 4608 set thread context of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/860-4-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/860-6-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/860-9-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/860-7-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/5072-11-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/860-12-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/5072-14-0x0000000010000000-0x000000001004A000-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
1088	5072	WerFault.exe	84
4108	5072	WerFault.exe	84

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	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 4608 wrote to memory of 860	4608	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	83
PID 860 wrote to memory of 5072	860	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	84
PID 860 wrote to memory of 5072	860	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	84
PID 860 wrote to memory of 5072	860	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	84
PID 860 wrote to memory of 5072	860	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	84
PID 860 wrote to memory of 5052	860	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	85
PID 860 wrote to memory of 5052	860	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	85
PID 860 wrote to memory of 5052	860	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5072
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 472
      4⤵
      Program crash
      PID:1088
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 488
      4⤵
      Program crash
      PID:4108
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5072 -ip 5072
1⤵
PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5072 -ip 5072
1⤵
PID:3780

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

Loading Replay Monitor...

Downloads

memory/860-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/860-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/860-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/860-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/860-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4608-0-0x0000000000400000-0x000000000079E000-memory.dmp

Filesize
3.6MB

Download
memory/4608-10-0x0000000000400000-0x000000000079E000-memory.dmp

Filesize
3.6MB

Download
memory/5072-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5072-14-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing