xtremerat | 5b57433cac36265a1e85f9964cb315cc5fac20cf665cd721563b684b8053ac30

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 09:31

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General

Target

c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
Size

136KB
MD5

c071f2800d2a58d5d0dd2949f7922c9a
SHA1

29b19d192c6ac5146c410b0da27f595b33a3f838
SHA256

5b57433cac36265a1e85f9964cb315cc5fac20cf665cd721563b684b8053ac30
SHA512

533cde82f791c534a78f49d9b98684872a8faafb970bc6d88603e40fff163bf58fb510d4b873058f1b03bbbd1c214e4b055cb5db49ad577fd30d3081ce2184bc
SSDEEP

3072:Gd/KliF7qfwcTIdU1kdJ2jhW7J/fIDfwoWxcsnghz:Gd/KsF+fe6/hW7JnI7PWxc

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

moon2009us.linkpc.net

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2764-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2764-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2764-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2972-15-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2972-18-0x0000000010000000-0x000000001004A000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1856-0-0x0000000000400000-0x0000000000517000-memory.dmp	upx
behavioral1/memory/1856-1-0x0000000000400000-0x0000000000517000-memory.dmp	upx
behavioral1/memory/1856-6-0x0000000000400000-0x0000000000517000-memory.dmp	upx
behavioral1/memory/1856-4-0x0000000000400000-0x0000000000517000-memory.dmp	upx
behavioral1/memory/1856-3-0x0000000000400000-0x0000000000517000-memory.dmp	upx
behavioral1/memory/1856-2-0x0000000000400000-0x0000000000517000-memory.dmp	upx
behavioral1/memory/1856-17-0x0000000000400000-0x0000000000517000-memory.dmp	upx

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 set thread context of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 1856 wrote to memory of 2764	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	30
PID 2764 wrote to memory of 2972	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	31
PID 2764 wrote to memory of 2972	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	31
PID 2764 wrote to memory of 2972	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	31
PID 2764 wrote to memory of 2972	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	31
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 2764 wrote to memory of 2972	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	31
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 2764 wrote to memory of 2828	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	32
PID 2764 wrote to memory of 2828	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	32
PID 2764 wrote to memory of 2828	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	32
PID 2764 wrote to memory of 2828	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	32
PID 1856 wrote to memory of 0	1856	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
PID 2764 wrote to memory of 2828	2764	c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c071f2800d2a58d5d0dd2949f7922c9a_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2972
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2828

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

Replay Monitor

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Downloads

memory/1856-5-0x0000000000511000-0x0000000000513000-memory.dmp

Filesize
8KB

Download
memory/1856-17-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/1856-6-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/1856-4-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/1856-3-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/1856-2-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/1856-1-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/1856-0-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2764-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2764-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2764-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2972-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2972-15-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2972-18-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download