xtremerat | c777148f3880e261e1ec9ff5e174e5fd22b4f4f2aae5a459ff20e1344e785989

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 08:05

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General

Target

JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
Size

672KB
MD5

63b1f64f8aa21c54be0d2bc80251847b
SHA1

5c9df3ef0036c5ad4b92bb357504bf0dd562d2cc
SHA256

c777148f3880e261e1ec9ff5e174e5fd22b4f4f2aae5a459ff20e1344e785989
SHA512

db7d8c2055eef2039e56a450193310dea15e72e92114aab325879b67a93e372c9c1f5c4ac0a874dad35897f06fa1bed2c2cffeb3b095a4f39e887f2295487661
SSDEEP

1536:ukHBh/zwwgYYejIe1Gjsf8Na48u6Nu3SgNGmlS5Dgw/eoQ:NBkjs0Na4JSgNGmlS5DlM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

mohooooo.zapto.org

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/1712-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2500-17-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2284-20-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2284-23-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2500-25-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2284-26-0x0000000010000000-0x0000000010048000-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\{G8Q240N3-7P25-0N74-8D45-I2F06P2I0D74}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{G8Q240N3-7P25-0N74-8D45-I2F06P2I0D74}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	notepad.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{G8Q240N3-7P25-0N74-8D45-I2F06P2I0D74}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{G8Q240N3-7P25-0N74-8D45-I2F06P2I0D74}\StubPath = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴潮整慰\u2e64硥e엸က엸က㽜"	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 set thread context of 0	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1632 set thread context of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 set thread context of 0	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1712-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/1712-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/1712-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2500-17-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2284-20-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2284-23-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2500-25-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2284-26-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	notepad.exe
File created	C:\Windows\InstallDir\Server.exe	notepad.exe
File opened for modification	C:\Windows\InstallDir\	notepad.exe

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 5 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_63b1f64f8aa21c54be0d2bc80251847b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
2284	notepad.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 1632	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	30
PID 1112 wrote to memory of 0	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1112 wrote to memory of 0	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1112 wrote to memory of 0	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1112 wrote to memory of 0	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1112 wrote to memory of 0	1112	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 1712	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	31
PID 1632 wrote to memory of 0	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1632 wrote to memory of 0	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1632 wrote to memory of 0	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1632 wrote to memory of 0	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1632 wrote to memory of 0	1632	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
PID 1712 wrote to memory of 2500	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	32
PID 1712 wrote to memory of 2500	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	32
PID 1712 wrote to memory of 2500	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	32
PID 1712 wrote to memory of 2500	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	32
PID 1712 wrote to memory of 2500	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	32
PID 1712 wrote to memory of 2284	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	34
PID 1712 wrote to memory of 2284	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	34
PID 1712 wrote to memory of 2284	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	34
PID 1712 wrote to memory of 2284	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	34
PID 1712 wrote to memory of 2284	1712	JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b1f64f8aa21c54be0d2bc80251847b.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1712
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2500
  - - C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\InstallDir\Server.exe

Filesize
672KB

MD5
63b1f64f8aa21c54be0d2bc80251847b

SHA1
5c9df3ef0036c5ad4b92bb357504bf0dd562d2cc

SHA256
c777148f3880e261e1ec9ff5e174e5fd22b4f4f2aae5a459ff20e1344e785989

SHA512
db7d8c2055eef2039e56a450193310dea15e72e92114aab325879b67a93e372c9c1f5c4ac0a874dad35897f06fa1bed2c2cffeb3b095a4f39e887f2295487661

Download Submit
memory/1632-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1632-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1632-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1712-14-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1712-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1712-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1712-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2284-20-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2284-23-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2284-26-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2500-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2500-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2500-25-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads