xtremerat | ec8b0d660f214ab46007193942ebb9af1300a9fee3f9a6dc2eff8c54cc03a845

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/02/2024, 15:29

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General

Target
9de886a7731171c2c19d3bbfb338a825.exe
Size 67KB
Sample240215-sw73jsaa8s
SHA256 ec8b0d660f214ab46007193942ebb9af1300a9fee3f9a6dc2eff8c54cc03a845
MD5 9de886a7731171c2c19d3bbfb338a825
SHA1 0bf128eba4767328b78e764804e1c161a722aaee
SHA512 e2286d216b895df7b581e8682eb7c3efc60c680a45fa6383e76ff814a8385e57f87bd3377037cbd8c106d7a4a95f19fa63d8ad4417dbb3e659d5d7654ca43e81
SSDEEP 768:LtOL9XwgC5Pbcc9pXfwxwkWoV0Rr9cxyW6MYBCpF2XMlZGBEELaF32vuDksHyeJ:aC5p7G0RGwWt6CpF2XGGmELM2vGpH9J
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/1440-8-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/1440-7-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/2288-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3520-16-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/1440-17-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3520-19-0x0000000000C80000-0x0000000000C95000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	9de886a7731171c2c19d3bbfb338a825.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\scvhos.exe restart"	9de886a7731171c2c19d3bbfb338a825.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\\scvhos.exe"	svchost.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1440-3-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1440-6-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1440-8-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1440-7-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/2288-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3520-16-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1440-17-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3520-19-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx

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\\scvhos.exe"	9de886a7731171c2c19d3bbfb338a825.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\scvhos.exe"	9de886a7731171c2c19d3bbfb338a825.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\scvhos.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\scvhos.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\scvhos.exe	9de886a7731171c2c19d3bbfb338a825.exe
File created	C:\Windows\SysWOW64\InstallDir\scvhos.exe	9de886a7731171c2c19d3bbfb338a825.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2280	9de886a7731171c2c19d3bbfb338a825.exe
3520	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 2280 wrote to memory of 1440	2280	9de886a7731171c2c19d3bbfb338a825.exe	85
PID 1440 wrote to memory of 2288	1440	9de886a7731171c2c19d3bbfb338a825.exe	86
PID 1440 wrote to memory of 2288	1440	9de886a7731171c2c19d3bbfb338a825.exe	86
PID 1440 wrote to memory of 2288	1440	9de886a7731171c2c19d3bbfb338a825.exe	86
PID 1440 wrote to memory of 2288	1440	9de886a7731171c2c19d3bbfb338a825.exe	86
PID 1440 wrote to memory of 3520	1440	9de886a7731171c2c19d3bbfb338a825.exe	87
PID 1440 wrote to memory of 3520	1440	9de886a7731171c2c19d3bbfb338a825.exe	87
PID 1440 wrote to memory of 3520	1440	9de886a7731171c2c19d3bbfb338a825.exe	87
PID 1440 wrote to memory of 3520	1440	9de886a7731171c2c19d3bbfb338a825.exe	87

C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe
"C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe
  C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1440
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    PID:2288
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3520

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

scvhos.exe

Path C:\Windows\SysWOW64\InstallDir\scvhos.exe
Size 67KB
SHA256 ec8b0d660f214ab46007193942ebb9af1300a9fee3f9a6dc2eff8c54cc03a845
MD5 9de886a7731171c2c19d3bbfb338a825
SHA1 0bf128eba4767328b78e764804e1c161a722aaee
SHA512 e2286d216b895df7b581e8682eb7c3efc60c680a45fa6383e76ff814a8385e57f87bd3377037cbd8c106d7a4a95f19fa63d8ad4417dbb3e659d5d7654ca43e81
SSDEEP 768:LtOL9XwgC5Pbcc9pXfwxwkWoV0Rr9cxyW6MYBCpF2XMlZGBEELaF32vuDksHyeJ:aC5p7G0RGwWt6CpF2XGGmELM2vGpH9J
MD5 SHA1 SHA512 SSDEEP

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memory/1440-3-0x0000000000C80000-0x0000000000C95000-memory.dmp

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memory/1440-6-0x0000000000C80000-0x0000000000C95000-memory.dmp

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memory/1440-8-0x0000000000C80000-0x0000000000C95000-memory.dmp

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memory/1440-7-0x0000000000C80000-0x0000000000C95000-memory.dmp

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memory/1440-17-0x0000000000C80000-0x0000000000C95000-memory.dmp

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memory/2280-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2280-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2288-14-0x0000000000C80000-0x0000000000C95000-memory.dmp

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memory/3520-16-0x0000000000C80000-0x0000000000C95000-memory.dmp

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memory/3520-19-0x0000000000C80000-0x0000000000C95000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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