xtremerat | 213acf1d7ecd25b6996aa8800d95f220b9a07ea9f8c41a029d87fbf0144e7a61

General

Target

JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
Size

52KB
MD5

0a803a4ab0b95c898fd81e79e1d71da3
SHA1

62f72fd63c70a9e774fbc9b7cc311d5dfe465665
SHA256

213acf1d7ecd25b6996aa8800d95f220b9a07ea9f8c41a029d87fbf0144e7a61
SHA512

8fcd309b7c73211a73f415ac3eddc991d02b3461af5cc8c220eff328642bdfbdf15773efbe13427bd4da6976c2f50e6035b4e208da0beac14f15824ac72d9a56
SSDEEP

768:gEJ7xLMdyOxVhtJwUTN/XY9MQTzuWYgYPG5Q8cScEHyj:gEYdBRG4Q9XzPlOSzS

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

yesno.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2348-12-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2348-11-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2152-16-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2348-19-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2152-21-0x0000000010000000-0x0000000010048000-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

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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰慊晦䍡歡獥ㄱ弸愰〸愳愴ぢ㥢挵㤸昸㡤攱㤷ㅥ㝤搱㍡攮數"	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2348-4-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2348-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2348-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2348-12-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2348-11-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2348-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2152-16-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2348-19-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2152-21-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
File opened for modification	C:\Windows\InstallDir\	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.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	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2348	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1944	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	31
PID 2540 wrote to memory of 1944	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	31
PID 2540 wrote to memory of 1944	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	31
PID 2540 wrote to memory of 1944	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	31
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2540 wrote to memory of 2348	2540	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	32
PID 2348 wrote to memory of 2152	2348	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	33
PID 2348 wrote to memory of 2152	2348	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	33
PID 2348 wrote to memory of 2152	2348	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	33
PID 2348 wrote to memory of 2152	2348	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	33
PID 2348 wrote to memory of 2152	2348	JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
  JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
  2⤵
  PID:1944
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
  JaffaCakes118_0a803a4ab0b95c898fd81e79e1d71da3.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2152

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\InstallDir\Server.exe

Filesize
52KB

MD5
0a803a4ab0b95c898fd81e79e1d71da3

SHA1
62f72fd63c70a9e774fbc9b7cc311d5dfe465665

SHA256
213acf1d7ecd25b6996aa8800d95f220b9a07ea9f8c41a029d87fbf0144e7a61

SHA512
8fcd309b7c73211a73f415ac3eddc991d02b3461af5cc8c220eff328642bdfbdf15773efbe13427bd4da6976c2f50e6035b4e208da0beac14f15824ac72d9a56

Download Submit
memory/2152-16-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2152-21-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2348-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2348-19-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2540-0-0x0000000074261000-0x0000000074262000-memory.dmp

Filesize
4KB

Download
memory/2540-13-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-2-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-1-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads