xtremerat | 72f2004c5d12feb5c0b0748b6e3be3b834bd9b8922ec0549cc5f29e31121b01f

General

Target

30575afe25275088e7922ca100661737_JaffaCakes118.exe
Size

50KB
MD5

30575afe25275088e7922ca100661737
SHA1

a34bf51d5b7352240fd0305010624ff2fdff79ff
SHA256

72f2004c5d12feb5c0b0748b6e3be3b834bd9b8922ec0549cc5f29e31121b01f
SHA512

0eec9d98eb15c4cf1b2847a72f75264478f1b3549a03b11f8cdee80dc516d301d2b12576da282a85800032b55288a61bfcbd4dd5aafae63a3a41bc081f58be3e
SSDEEP

1536:VVKr3uOrO1U4iU1Ilmt24+1+6GPJPv4rhwh:V8rHrOdiXClOfGhPv4i

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

eminem30.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1376-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1376-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2492-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1376-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2492-12-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4464 set thread context of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4464-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/1376-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4464-6-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/1376-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1376-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1376-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2492-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1376-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2492-12-0x0000000010000000-0x000000001004D000-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
2180	2492	WerFault.exe	86
1680	2492	WerFault.exe	86

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	30575afe25275088e7922ca100661737_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30575afe25275088e7922ca100661737_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 4464 wrote to memory of 1376	4464	30575afe25275088e7922ca100661737_JaffaCakes118.exe	84
PID 1376 wrote to memory of 2492	1376	30575afe25275088e7922ca100661737_JaffaCakes118.exe	86
PID 1376 wrote to memory of 2492	1376	30575afe25275088e7922ca100661737_JaffaCakes118.exe	86
PID 1376 wrote to memory of 2492	1376	30575afe25275088e7922ca100661737_JaffaCakes118.exe	86
PID 1376 wrote to memory of 2492	1376	30575afe25275088e7922ca100661737_JaffaCakes118.exe	86
PID 1376 wrote to memory of 1652	1376	30575afe25275088e7922ca100661737_JaffaCakes118.exe	87
PID 1376 wrote to memory of 1652	1376	30575afe25275088e7922ca100661737_JaffaCakes118.exe	87
PID 1376 wrote to memory of 1652	1376	30575afe25275088e7922ca100661737_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\30575afe25275088e7922ca100661737_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\30575afe25275088e7922ca100661737_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Users\Admin\AppData\Local\Temp\30575afe25275088e7922ca100661737_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\30575afe25275088e7922ca100661737_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1376
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 476
      4⤵
      Program crash
      PID:2180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 504
      4⤵
      Program crash
      PID:1680
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2492 -ip 2492
1⤵
PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2492 -ip 2492
1⤵
PID:1672

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/1376-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1376-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1376-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1376-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1376-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2492-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2492-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4464-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4464-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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