xtremerat | a769b350f449c9bcaeb5032f03130a914039d7cfd0584534ee15219de1f2e5dc

General

Target

2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe
Size

146KB
MD5

2fd541cafdee4d46f5a2ec1a051e4645
SHA1

f08ffac8fb192eeca68826ff94d048ab788a9987
SHA256

a769b350f449c9bcaeb5032f03130a914039d7cfd0584534ee15219de1f2e5dc
SHA512

94e1e35be08167d3f0dcc1fa439b447a3566d56e0fd641b03abd69ae0172bf301062f18855a8774725e82b085dddd06f1ec45b2b5eae5dbfa2e9f0eb7db4fd39
SSDEEP

3072:lpYhsfT+oc0fz8XDPiMqDU6TlenAogbBjW0+qIpgTBUUF:JfTM0faLts5lYAokBjW0+qiy

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

hackermusa.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2856-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2856-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2800-20-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2856-21-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2800-22-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2856-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2856-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2856-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2856-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2856-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2856-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2800-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2856-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2800-22-0x0000000010000000-0x000000001004D000-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	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2856	2756	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2800	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2800	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2800	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2800	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2800	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2636	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	32
PID 2856 wrote to memory of 2636	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	32
PID 2856 wrote to memory of 2636	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	32
PID 2856 wrote to memory of 2636	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	32
PID 2856 wrote to memory of 2636	2856	2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2fd541cafdee4d46f5a2ec1a051e4645_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2800
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2636

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/2756-0-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2756-5-0x00000000006A0000-0x000000000070C000-memory.dmp

Filesize
432KB

Download
memory/2756-17-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2800-22-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2800-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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