xtremerat | ce7eb06787258d293a60c1e8f98946df3951283c9dce73ae5b15e94285adda52

General

Target
1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe
Size 25KB
Sample240702-bc7t1athqp
SHA256 ce7eb06787258d293a60c1e8f98946df3951283c9dce73ae5b15e94285adda52
MD5 1d328dfdb6c7be3f646ad98df729a7a9
SHA1 1b7106a7821a7bfa0dabe8a09cce3eeb841097d1
SHA512 5d6dca021350fc3e40e5ad64eb3fb817d37e16cf19be5c56128c9da2abeddd9542e7e6456a5c4eb44a69f2140b3d72935b47fbeda5451ac368c16e547124d1c1
SSDEEP 384:/IdmF+Ti213fEF9QZd/cBr5M/gOjkaS4s/1k5YiZNk1zSgWMe59ovdbQohxR:/IsF81fG9QveLOYTe5Yi8lTq5Sf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

biladi2000.no-ip.info

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/2100-4-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/4936-6-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/3604-7-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/2600-8-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/3604-10-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/4936-12-0x0000000000C80000-0x0000000000C98000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{N68E67Q7-373H-37FU-UR3G-2736815QJ7L6}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{N68E67Q7-373H-37FU-UR3G-2736815QJ7L6}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{N68E67Q7-373H-37FU-UR3G-2736815QJ7L6}	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{N68E67Q7-373H-37FU-UR3G-2736815QJ7L6}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3604-0-0x0000000000C80000-0x0000000000C98000-memory.dmp	upx
behavioral2/memory/2100-4-0x0000000000C80000-0x0000000000C98000-memory.dmp	upx
behavioral2/files/0x000800000002324a-5.dat	upx
behavioral2/memory/4936-6-0x0000000000C80000-0x0000000000C98000-memory.dmp	upx
behavioral2/memory/3604-7-0x0000000000C80000-0x0000000000C98000-memory.dmp	upx
behavioral2/memory/2600-8-0x0000000000C80000-0x0000000000C98000-memory.dmp	upx
behavioral2/memory/3604-10-0x0000000000C80000-0x0000000000C98000-memory.dmp	upx
behavioral2/memory/4936-12-0x0000000000C80000-0x0000000000C98000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Server.exe	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\InstallDir\Server.exe	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4936	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 2100	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	90
PID 3604 wrote to memory of 2100	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	90
PID 3604 wrote to memory of 2100	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	90
PID 3604 wrote to memory of 2100	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	90
PID 3604 wrote to memory of 4936	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	91
PID 3604 wrote to memory of 4936	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	91
PID 3604 wrote to memory of 4936	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	91
PID 3604 wrote to memory of 4936	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	91
PID 3604 wrote to memory of 2600	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	92
PID 3604 wrote to memory of 2600	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	92
PID 3604 wrote to memory of 2600	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	92
PID 3604 wrote to memory of 2600	3604	1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1d328dfdb6c7be3f646ad98df729a7a9_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  PID:2100
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4936
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:2600

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 --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:4944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

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

Server.exe

Path C:\Windows\SysWOW64\InstallDir\Server.exe
Size 25KB
SHA256 ce7eb06787258d293a60c1e8f98946df3951283c9dce73ae5b15e94285adda52
MD5 1d328dfdb6c7be3f646ad98df729a7a9
SHA1 1b7106a7821a7bfa0dabe8a09cce3eeb841097d1
SHA512 5d6dca021350fc3e40e5ad64eb3fb817d37e16cf19be5c56128c9da2abeddd9542e7e6456a5c4eb44a69f2140b3d72935b47fbeda5451ac368c16e547124d1c1
SSDEEP 384:/IdmF+Ti213fEF9QZd/cBr5M/gOjkaS4s/1k5YiZNk1zSgWMe59ovdbQohxR:/IsF81fG9QveLOYTe5Yi8lTq5Sf
MD5 SHA1 SHA512 SSDEEP

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memory/2100-4-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/2600-8-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/3604-0-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/3604-7-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/3604-10-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/4936-6-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/4936-12-0x0000000000C80000-0x0000000000C98000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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