xtremerat | 5f3bd6c7e98fd1a5af9cfc95f2ff61670db0099a52caeaeae90ce527d0736a33

General

Target

a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe
Size

45KB
MD5

a95aa8f30ca55435085536fa44267ebe
SHA1

75eee9f9eed3b142c0187a38ad7df62181254c81
SHA256

5f3bd6c7e98fd1a5af9cfc95f2ff61670db0099a52caeaeae90ce527d0736a33
SHA512

b9c2d511f70a5d53ea51bf01288eb9d96b41808d356ae1b235a8da7d91cc37721f36f14fdf049f5e54dc6555beca5916844d1fe42199a55b71a43d26d1e2ecea
SSDEEP

768:PBr+tjFY90iY6W1jwmDzKgEFQXaklMIAn0tYCpPQzoEv:ZyRh31jxPEFQXak+05QoEv

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

rax.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3004-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
C:\Users\Admin\AppData\Roaming\flashEXE\ctfmon.exe	family_xtremerat
behavioral2/memory/4580-9-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2568-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3728-10-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/4580-11-0x0000000000C80000-0x0000000000C93000-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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{61ESDE00-7JEI-D478-YP30-51F6J284W87C}	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{61ESDE00-7JEI-D478-YP30-51F6J284W87C}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\flashEXE\\ctfmon.exe restart"	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{61ESDE00-7JEI-D478-YP30-51F6J284W87C}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{61ESDE00-7JEI-D478-YP30-51F6J284W87C}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\flashEXE\\ctfmon.exe restart"	svchost.exe

Deletes itself 1 IoCs

Processes:

explorer.exe

pid process

2568 explorer.exe

pid	process
2568	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exea95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\flashEXE\\ctfmon.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\flashEXE\\ctfmon.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\flashEXE\\ctfmon.exe"	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\flashEXE\\ctfmon.exe"	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe

description	pid	process	target process
PID 3728 wrote to memory of 3004	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	svchost.exe
PID 3728 wrote to memory of 3004	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	svchost.exe
PID 3728 wrote to memory of 3004	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	svchost.exe
PID 3728 wrote to memory of 3004	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	svchost.exe
PID 3728 wrote to memory of 1656	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	msedge.exe
PID 3728 wrote to memory of 1656	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	msedge.exe
PID 3728 wrote to memory of 4580	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe
PID 3728 wrote to memory of 4580	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe
PID 3728 wrote to memory of 4580	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe
PID 3728 wrote to memory of 2568	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe
PID 3728 wrote to memory of 2568	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe
PID 3728 wrote to memory of 2568	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe
PID 3728 wrote to memory of 2568	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe
PID 3728 wrote to memory of 4580	3728	a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a95aa8f30ca55435085536fa44267ebe_JaffaCakes118.exe"
1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  PID:3004
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1656
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4580
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Deletes itself
  PID:2568

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4020,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3764 /prefetch:8
1⤵
PID:1332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\flashEXE\ctfmon.exe

Filesize
45KB

MD5
a95aa8f30ca55435085536fa44267ebe

SHA1
75eee9f9eed3b142c0187a38ad7df62181254c81

SHA256
5f3bd6c7e98fd1a5af9cfc95f2ff61670db0099a52caeaeae90ce527d0736a33

SHA512
b9c2d511f70a5d53ea51bf01288eb9d96b41808d356ae1b235a8da7d91cc37721f36f14fdf049f5e54dc6555beca5916844d1fe42199a55b71a43d26d1e2ecea

Download Submit
memory/2568-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3004-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3728-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4580-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4580-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads