xtremerat | 43a092eff2e2af87ff060518e071e14f4ec22460d47a546fdddba8bc0e2c22b5

General

Target

JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe
Size

95KB
MD5

4ce04f0ce4bf44fd628de378fcc80df1
SHA1

41301b0a6594f2ce4f5f2a1dd348ae3c5193ca83
SHA256

43a092eff2e2af87ff060518e071e14f4ec22460d47a546fdddba8bc0e2c22b5
SHA512

6b1712a8a4a02f7794b107b27bb140c38fc475cf124a812074331c7740661c689094e8e7ad8f57fc6e6d4f20a6e9564caa6bba99d09c0f708572120c36895798
SSDEEP

1536:7leFkLjr+fEQclXjwXkXhULR+VXG6te793GgaYZtdRuwLGKvdmuRcth0GkIu0nJ:7xL3Xp2R+JQBWetHBLGKvM+ohTV

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

destroyit.no-ip.info

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1156-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1156-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2700-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1156-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2700-8-0x0000000010000000-0x000000001004D000-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 3576 set thread context of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1156-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1156-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1156-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1156-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2700-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1156-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2700-8-0x0000000010000000-0x000000001004D000-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
932	2700	WerFault.exe	85
4724	2700	WerFault.exe	85

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_4ce04f0ce4bf44fd628de378fcc80df1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 3576 wrote to memory of 1156	3576	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	84
PID 1156 wrote to memory of 2700	1156	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	85
PID 1156 wrote to memory of 2700	1156	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	85
PID 1156 wrote to memory of 2700	1156	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	85
PID 1156 wrote to memory of 2700	1156	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	85
PID 1156 wrote to memory of 700	1156	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	86
PID 1156 wrote to memory of 700	1156	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	86
PID 1156 wrote to memory of 700	1156	JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ce04f0ce4bf44fd628de378fcc80df1.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2700
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 480
      4⤵
      Program crash
      PID:932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 488
      4⤵
      Program crash
      PID:4724
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2700 -ip 2700
1⤵
PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2700 -ip 2700
1⤵
PID:3364

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/1156-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1156-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1156-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1156-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1156-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3576-0-0x0000000002090000-0x0000000002094000-memory.dmp

Filesize
16KB

Download

Analysis

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