xtremerat | 327d445b179002c70306d9df3ce7603fd850435409c8a5967b00824fab7434e7

General

Target

ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
Size

645KB
MD5

ae92be7e93ff4205d7bbde6b311e5d0e
SHA1

3dc9a0a174890fbf54378ded8d670467d7196670
SHA256

327d445b179002c70306d9df3ce7603fd850435409c8a5967b00824fab7434e7
SHA512

89269051738edb88e294ee5e4a27ccc4e5343ed29c2b7b776180ba2d35ef4e250a8396594c17e7ab7015b9dcd5f9718020ca6aac90a534a1a0ae0ffdd654b70c
SSDEEP

12288:6QZuOWo7YNQN2YcKify3iC8ut0i1oQjUZbvFFF/Dr5uiuVC7+:6nMwQgsiK3AcIXFFf5uiuVCi

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

nando1.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2700-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2700-16-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2864-23-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2700-24-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2864-25-0x0000000010000000-0x000000001004D000-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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2700-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-25-0x0000000010000000-0x000000001004D000-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	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2700	2536	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2864	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	31
PID 2700 wrote to memory of 2864	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	31
PID 2700 wrote to memory of 2864	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	31
PID 2700 wrote to memory of 2864	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	31
PID 2700 wrote to memory of 2864	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	31
PID 2700 wrote to memory of 2600	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	32
PID 2700 wrote to memory of 2600	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	32
PID 2700 wrote to memory of 2600	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	32
PID 2700 wrote to memory of 2600	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	32
PID 2700 wrote to memory of 2600	2700	ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ae92be7e93ff4205d7bbde6b311e5d0e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2864
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2600

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/2536-0-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/2536-18-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/2536-15-0x0000000003500000-0x00000000038B0000-memory.dmp

Filesize
3.7MB

Download
memory/2700-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-19-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/2700-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-25-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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