xtremerat | 7508eac8f92a60b84e761d6cb54a6f6c64e8a026c10f96ee9e7165bc1b3f5381

General

Target

e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe
Size

825KB
MD5

e25a530a619d80f47c07859ffb30c461
SHA1

6c4e028a9af10aeef790afb754e192ff4973d9a3
SHA256

7508eac8f92a60b84e761d6cb54a6f6c64e8a026c10f96ee9e7165bc1b3f5381
SHA512

51bcdbf9ffc6533e450de5147e4d0ae237121bc48b40f0a4be10b54e9c8ff63b84d3fb18a52e55b6a7a143f988265be67bf00586e3b2747b75ef8073c4f58c83
SSDEEP

24576:2AojG2m6TtySYXU9/UwlPGhnxy4i9XCWsu5agFya3TphZo:A/PtySL9/UwluhnhuyWZagdTPZo

Score

10^/10

xtremerat discovery evasion persistence rat spyware trojan upx

Malware Config

Extracted

Family

xtremerat

C2

jc9-hacker.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2748-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3044-20-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3044-22-0x0000000010000000-0x000000001004D000-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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1116 set thread context of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2748-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2748-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2748-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2748-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2748-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3044-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3044-22-0x0000000010000000-0x000000001004D000-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	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 1116 wrote to memory of 2748	1116	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	31
PID 2748 wrote to memory of 3044	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	32
PID 2748 wrote to memory of 3044	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	32
PID 2748 wrote to memory of 3044	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	32
PID 2748 wrote to memory of 3044	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	32
PID 2748 wrote to memory of 3044	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	32
PID 2748 wrote to memory of 3040	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	33
PID 2748 wrote to memory of 3040	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	33
PID 2748 wrote to memory of 3040	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	33
PID 2748 wrote to memory of 3040	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	33
PID 2748 wrote to memory of 3040	2748	e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e25a530a619d80f47c07859ffb30c461_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3044
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1116-15-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-1-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/1116-21-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-10-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-0-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-16-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-17-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2748-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3044-22-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads