xtremerat | e3ace160dc056dba8dd375bd7c4e60a3c0ef47084c83fce77fd4c6b06f0b010a

Analysis

max time kernel
150s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 11:40

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General

Target

c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe
Size

38KB
MD5

c8bf9657352e5e51a956d77f9b986ab5
SHA1

ac11229dcd3dbdebb22e5a4ff78c494d46eb56c9
SHA256

e3ace160dc056dba8dd375bd7c4e60a3c0ef47084c83fce77fd4c6b06f0b010a
SHA512

538ca012d1ba731e8fa3e0a8f358a004334c924a0e9c1d3fcce625c5464b593d9d2a0bbe3aed62326df52772586e3a96160170ce466445474245d7689c4e8768
SSDEEP

768:xMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgVzD4F:aNW71rcYDAWeoDrsgvu

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

rdnse.hopto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/3068-3-0x0000000010000000-0x0000000010050000-memory.dmp	family_xtremerat
behavioral1/memory/2056-5-0x0000000010000000-0x0000000010050000-memory.dmp	family_xtremerat
behavioral1/memory/3068-6-0x0000000010000000-0x0000000010050000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2056-0-0x0000000010000000-0x0000000010050000-memory.dmp	upx
behavioral1/memory/3068-3-0x0000000010000000-0x0000000010050000-memory.dmp	upx
behavioral1/memory/2056-5-0x0000000010000000-0x0000000010050000-memory.dmp	upx
behavioral1/memory/3068-6-0x0000000010000000-0x0000000010050000-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 2 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	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 3068	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	29
PID 2056 wrote to memory of 3068	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	29
PID 2056 wrote to memory of 3068	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	29
PID 2056 wrote to memory of 3068	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	29
PID 2056 wrote to memory of 3068	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	29
PID 2056 wrote to memory of 2212	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	30
PID 2056 wrote to memory of 2212	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	30
PID 2056 wrote to memory of 2212	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	30
PID 2056 wrote to memory of 2212	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	30
PID 2056 wrote to memory of 2212	2056	c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8bf9657352e5e51a956d77f9b986ab5_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/2056-0-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download
memory/2056-5-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download
memory/3068-3-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download
memory/3068-1-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download
memory/3068-6-0x0000000010000000-0x0000000010050000-memory.dmp

Filesize
320KB

Download