xtremerat | 31d9328a5c77b2ac0337798e3102952f99ddb4926328a1af6ec2573c0cd21a47

General

Target

JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe
Size

412KB
MD5

1a0a6597af66859243f756f6fde625c7
SHA1

899c54d6258278faf91a5c7adb382253e6b19d5b
SHA256

31d9328a5c77b2ac0337798e3102952f99ddb4926328a1af6ec2573c0cd21a47
SHA512

3fbad6b94a08933c2a26227cfcccbb4f408de2b1499ca18bfc54f5522a076793dd485ef94589c4ab734951f49b3559c6d66e850f09487ea9e2e9adc96381c142
SSDEEP

3072:gF+jfPsCLt5oMxHLXy7DWhiU/mUpZ1KeIDmVVaPzrc77OWw8x8conyDldbcdzvTZ:RNR71eCZEeVVsc769/concldbs+

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mal3k.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2360-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2360-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2116-13-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2360-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2116-17-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2528-19-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2116-20-0x0000000010000000-0x0000000010048000-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\{YJ41T1G6-BXRD-25I8-JI71-R460GL84BDKT}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{YJ41T1G6-BXRD-25I8-JI71-R460GL84BDKT}\StubPath = "C:\\Windows\\system32\\HD\\HD.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{YJ41T1G6-BXRD-25I8-JI71-R460GL84BDKT}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{YJ41T1G6-BXRD-25I8-JI71-R460GL84BDKT}\StubPath = "C:\\Windows\\system32\\HD\\HD.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\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\HD\\HD.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴癳档獯\u2e74硥e엸က엸က㽜"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\HD\\HD.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\HD\\HD.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\HD\\HD.exe"	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\HD\HD.exe	svchost.exe
File created	C:\Windows\SysWOW64\HD\HD.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\HD\	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2360-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2360-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2360-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2360-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2116-13-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2360-14-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2116-17-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2528-19-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2116-20-0x0000000010000000-0x0000000010048000-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 4 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_1a0a6597af66859243f756f6fde625c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe
2116	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2540 wrote to memory of 2360	2540	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	31
PID 2360 wrote to memory of 2528	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	32
PID 2360 wrote to memory of 2528	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	32
PID 2360 wrote to memory of 2528	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	32
PID 2360 wrote to memory of 2528	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	32
PID 2360 wrote to memory of 2528	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	32
PID 2360 wrote to memory of 2116	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	33
PID 2360 wrote to memory of 2116	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	33
PID 2360 wrote to memory of 2116	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	33
PID 2360 wrote to memory of 2116	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	33
PID 2360 wrote to memory of 2116	2360	JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a0a6597af66859243f756f6fde625c7.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - 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:2528
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2116

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\SysWOW64\HD\HD.exe

Filesize
412KB

MD5
1a0a6597af66859243f756f6fde625c7

SHA1
899c54d6258278faf91a5c7adb382253e6b19d5b

SHA256
31d9328a5c77b2ac0337798e3102952f99ddb4926328a1af6ec2573c0cd21a47

SHA512
3fbad6b94a08933c2a26227cfcccbb4f408de2b1499ca18bfc54f5522a076793dd485ef94589c4ab734951f49b3559c6d66e850f09487ea9e2e9adc96381c142

Download Submit
memory/2116-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2116-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2116-20-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2360-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2360-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2360-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2360-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2360-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2528-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2528-19-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2540-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads