xtremerat | 14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/02/2024, 23:05

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General

Target
a79476d5858ad853bdc29614261fb19f.exe
Size 170KB
Sample240226-23av3aaf27
SHA256 14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa
MD5 a79476d5858ad853bdc29614261fb19f
SHA1 f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a
SHA512 9cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148
SSDEEP 3072:zKEKmrDUskUVIKkAX/0L0rZmm1sJmvxHfi/R1+aJe1mgawzxsBub861jIHxownLj:zKE5IIL7JnYRUTV5nLrQLulIGsZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/2392-2-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2392-3-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2392-5-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2392-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/732-10-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3524-12-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2392-13-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3524-15-0x0000000000C80000-0x0000000000C93000-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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}	a79476d5858ad853bdc29614261fb19f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}\StubPath = "C:\\Windows\\system32\\microsoft\\xtreme.exe restart"	a79476d5858ad853bdc29614261fb19f.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}\StubPath = "C:\\Windows\\system32\\microsoft\\xtreme.exe restart"	svchost.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/516-1-0x00000000005D0000-0x00000000005DD000-memory.dmp	upx
behavioral2/memory/516-0-0x00000000005D0000-0x00000000005DD000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\microsoft\xtreme.exe	a79476d5858ad853bdc29614261fb19f.exe
File created	C:\Windows\SysWOW64\microsoft\xtreme.exe	a79476d5858ad853bdc29614261fb19f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 516 set thread context of 2392	516	a79476d5858ad853bdc29614261fb19f.exe	86

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3524	notepad.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 2392	516	a79476d5858ad853bdc29614261fb19f.exe	86
PID 516 wrote to memory of 2392	516	a79476d5858ad853bdc29614261fb19f.exe	86
PID 516 wrote to memory of 2392	516	a79476d5858ad853bdc29614261fb19f.exe	86
PID 516 wrote to memory of 2392	516	a79476d5858ad853bdc29614261fb19f.exe	86
PID 516 wrote to memory of 2392	516	a79476d5858ad853bdc29614261fb19f.exe	86
PID 2392 wrote to memory of 732	2392	a79476d5858ad853bdc29614261fb19f.exe	88
PID 2392 wrote to memory of 732	2392	a79476d5858ad853bdc29614261fb19f.exe	88
PID 2392 wrote to memory of 732	2392	a79476d5858ad853bdc29614261fb19f.exe	88
PID 2392 wrote to memory of 732	2392	a79476d5858ad853bdc29614261fb19f.exe	88
PID 2392 wrote to memory of 3524	2392	a79476d5858ad853bdc29614261fb19f.exe	91
PID 2392 wrote to memory of 3524	2392	a79476d5858ad853bdc29614261fb19f.exe	91
PID 2392 wrote to memory of 3524	2392	a79476d5858ad853bdc29614261fb19f.exe	91
PID 2392 wrote to memory of 3524	2392	a79476d5858ad853bdc29614261fb19f.exe	91

C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe
"C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:516
- C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe
  "C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Modifies Installed Components in the registry
    PID:732
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

xtreme.exe

Path C:\Windows\SysWOW64\microsoft\xtreme.exe
Size 170KB
SHA256 14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa
MD5 a79476d5858ad853bdc29614261fb19f
SHA1 f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a
SHA512 9cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148
SSDEEP 3072:zKEKmrDUskUVIKkAX/0L0rZmm1sJmvxHfi/R1+aJe1mgawzxsBub861jIHxownLj:zKE5IIL7JnYRUTV5nLrQLulIGsZ
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/516-1-0x00000000005D0000-0x00000000005DD000-memory.dmp

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memory/516-0-0x00000000005D0000-0x00000000005DD000-memory.dmp

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memory/516-4-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/732-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/2392-2-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/2392-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/2392-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/2392-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/2392-13-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/3524-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/3524-15-0x0000000000C80000-0x0000000000C93000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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