xtremerat | 03cefe07498539246e46f31f79468e3105a4bb44e8c22f60c782875d768a6977

General

Target

JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe
Size

21KB
MD5

41c9d6dd70740541337a77478ecbec5e
SHA1

069dff1f65ad8fa0f7c0eac336d2bb403d8eee47
SHA256

03cefe07498539246e46f31f79468e3105a4bb44e8c22f60c782875d768a6977
SHA512

f9d6a8165514cc972bba86b1a273a9cbe9a02648d058e6a75d4b37c41495a6bc03a314aebca75b289beb2a7e48e02980e336d7eb6a8bab13cdeff311a2ee293a
SSDEEP

384:471IdmF+TH95xJMu/0PlxjV8BINhuLJ37tMOpuqqz3KK7eIVmivAdmbWXBM0xuzn:471IsF8HdbKjV8BX7Vy6K7eIVTvAdyoU

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

motif111.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2380-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2984-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2416-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2380-11-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2416-13-0x0000000000C80000-0x0000000000C96000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\explor.exe restart"	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\explor.exe restart"	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\explor.exe"	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\explor.exe"	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\explor.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\explor.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\explor.exe	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe
File created	C:\Windows\SysWOW64\InstallDir\explor.exe	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2984-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/files/0x0007000000015cdc-7.dat	upx
behavioral1/memory/2416-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2380-11-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2416-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

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

System Information Discovery
T1082

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_41c9d6dd70740541337a77478ecbec5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2416	explorer.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2984	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	30
PID 2380 wrote to memory of 2984	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	30
PID 2380 wrote to memory of 2984	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	30
PID 2380 wrote to memory of 2984	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	30
PID 2380 wrote to memory of 2984	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	30
PID 2380 wrote to memory of 2064	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	31
PID 2380 wrote to memory of 2064	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	31
PID 2380 wrote to memory of 2064	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	31
PID 2380 wrote to memory of 2064	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	31
PID 2380 wrote to memory of 2416	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	32
PID 2380 wrote to memory of 2416	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	32
PID 2380 wrote to memory of 2416	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	32
PID 2380 wrote to memory of 2416	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	32
PID 2380 wrote to memory of 2416	2380	JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41c9d6dd70740541337a77478ecbec5e.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2064
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

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

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Downloads

C:\Windows\SysWOW64\InstallDir\explor.exe

Filesize
21KB

MD5
41c9d6dd70740541337a77478ecbec5e

SHA1
069dff1f65ad8fa0f7c0eac336d2bb403d8eee47

SHA256
03cefe07498539246e46f31f79468e3105a4bb44e8c22f60c782875d768a6977

SHA512
f9d6a8165514cc972bba86b1a273a9cbe9a02648d058e6a75d4b37c41495a6bc03a314aebca75b289beb2a7e48e02980e336d7eb6a8bab13cdeff311a2ee293a

Download Submit
memory/2380-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2380-11-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2416-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2416-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2984-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2984-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads