xtremerat | 28b4a73687430cf137c73b9e33483c150d539f25089cf439c2644b588ad38e7c

General

Target

JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe
Size

52KB
MD5

cbcb18b055500f3d2e0113cf0e14a7b4
SHA1

960cc86d2c1d2fca09a97187139423e69702e369
SHA256

28b4a73687430cf137c73b9e33483c150d539f25089cf439c2644b588ad38e7c
SHA512

0a80e9b68ecb7f9c4613eb17fa7573b5234180ef06d9faa0917cca764d1f229caef36597588b860f8960d037e59f7a31a30fa9ceffcacd6ece84fa9e3521273d
SSDEEP

1536:j5pKykodYEopdFV7DHeR3xAjxdW8jZZGiFl:j5Pko3op1/Hw3xP890

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

khaldoon.no-ip.org

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/324-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/324-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2056-12-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/1636-15-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/324-16-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/1636-18-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2056-20-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/1636-21-0x0000000010000000-0x0000000010048000-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\{SU7E5378-5J44-QLH1-8XLK-Q0V0TQY802EC}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{SU7E5378-5J44-QLH1-8XLK-Q0V0TQY802EC}\StubPath = "C:\\Windows\\KOKO\\KOKO.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{SU7E5378-5J44-QLH1-8XLK-Q0V0TQY802EC}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{SU7E5378-5J44-QLH1-8XLK-Q0V0TQY802EC}\StubPath = "C:\\Windows\\KOKO\\KOKO.exe restart"	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\\KOKO\\KOKO.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\KOKO\\KOKO.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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\\KOKO\\KOKO.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\KOKO\\KOKO.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/324-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/324-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/324-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/324-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2056-12-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/1636-15-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/324-16-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/1636-18-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2056-20-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/1636-21-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\KOKO\KOKO.exe	svchost.exe
File created	C:\Windows\KOKO\KOKO.exe	svchost.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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe
1636	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 2580 wrote to memory of 324	2580	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	30
PID 324 wrote to memory of 2056	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	31
PID 324 wrote to memory of 2056	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	31
PID 324 wrote to memory of 2056	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	31
PID 324 wrote to memory of 2056	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	31
PID 324 wrote to memory of 2056	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	31
PID 324 wrote to memory of 1636	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	32
PID 324 wrote to memory of 1636	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	32
PID 324 wrote to memory of 1636	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	32
PID 324 wrote to memory of 1636	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	32
PID 324 wrote to memory of 1636	324	JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbcb18b055500f3d2e0113cf0e14a7b4.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:324
- - 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:2056
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - 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
    PID:1636

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\KOKO\KOKO.exe

Filesize
52KB

MD5
cbcb18b055500f3d2e0113cf0e14a7b4

SHA1
960cc86d2c1d2fca09a97187139423e69702e369

SHA256
28b4a73687430cf137c73b9e33483c150d539f25089cf439c2644b588ad38e7c

SHA512
0a80e9b68ecb7f9c4613eb17fa7573b5234180ef06d9faa0917cca764d1f229caef36597588b860f8960d037e59f7a31a30fa9ceffcacd6ece84fa9e3521273d

Download Submit
memory/324-16-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/324-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/324-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/324-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/324-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1636-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1636-18-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1636-21-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2056-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2056-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2056-20-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2580-9-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2580-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads