xtremerat | 3592e6d24f86015afec4b94e9d7b037a642a71b11fd27c0083aef8d22257b5f2

General

Target

6811fb576444744493588618ef27c831_JaffaCakes118.exe
Size

111KB
MD5

6811fb576444744493588618ef27c831
SHA1

aaf907d26f14bd8f5cae499c808ea1dc66d57dcc
SHA256

3592e6d24f86015afec4b94e9d7b037a642a71b11fd27c0083aef8d22257b5f2
SHA512

cce853dc43e1c96d1a0be968b300dec1a23301c34afc5661e6e08cf8f3ab4527d985cff7fbb7945f107127e764908e31a5a85b68253209bf779fa951de151e2b
SSDEEP

3072:DdvVjqqdqqqLJqMPaZ0JKYf5hPSMNWrw7JfPZF7e+U9Fn:DdvVjqqdqqqLJqkdhPYrorK+U

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mimmo86.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2528-25-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2528-23-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2260-30-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2528-31-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2260-32-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1076 set thread context of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-25-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2528-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2528-22-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2528-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2260-30-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2528-31-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2260-32-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64	6811fb576444744493588618ef27c831_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	6811fb576444744493588618ef27c831_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6811fb576444744493588618ef27c831_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 1076 wrote to memory of 2528	1076	6811fb576444744493588618ef27c831_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2260	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	32
PID 2528 wrote to memory of 2260	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	32
PID 2528 wrote to memory of 2260	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	32
PID 2528 wrote to memory of 2260	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	32
PID 2528 wrote to memory of 2260	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	32
PID 2528 wrote to memory of 2868	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2868	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2868	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2868	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2868	2528	6811fb576444744493588618ef27c831_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\6811fb576444744493588618ef27c831_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6811fb576444744493588618ef27c831_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\6811fb576444744493588618ef27c831_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6811fb576444744493588618ef27c831_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2260
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1076-3-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/1076-13-0x0000000001E90000-0x0000000001EA0000-memory.dmp

Filesize
64KB

Download
memory/1076-0-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/1076-14-0x0000000001EA0000-0x0000000001EB0000-memory.dmp

Filesize
64KB

Download
memory/1076-2-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/1076-12-0x0000000001E80000-0x0000000001E90000-memory.dmp

Filesize
64KB

Download
memory/1076-11-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1076-10-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/1076-9-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/1076-8-0x00000000003C0000-0x00000000003D0000-memory.dmp

Filesize
64KB

Download
memory/1076-7-0x00000000003B0000-0x00000000003C0000-memory.dmp

Filesize
64KB

Download
memory/1076-1-0x00000000001B0000-0x00000000001C0000-memory.dmp

Filesize
64KB

Download
memory/1076-5-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1076-4-0x0000000000280000-0x0000000000290000-memory.dmp

Filesize
64KB

Download
memory/1076-15-0x0000000001EB0000-0x0000000001EC0000-memory.dmp

Filesize
64KB

Download
memory/1076-17-0x0000000001ED0000-0x0000000001EE0000-memory.dmp

Filesize
64KB

Download
memory/1076-6-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/1076-16-0x0000000001EC0000-0x0000000001ED0000-memory.dmp

Filesize
64KB

Download
memory/1076-27-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/1076-24-0x0000000001F30000-0x0000000001F4D000-memory.dmp

Filesize
116KB

Download
memory/2260-30-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2260-28-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2260-32-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2528-25-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2528-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2528-22-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2528-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2528-26-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/2528-31-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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