xtremerat | 3ea0ae2b4f2ef54ec31a155fd20c493ebc6aae640aadf20a2731f50e3e1242f0

General

Target

JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
Size

597KB
MD5

92463f77f40595d193ec96d7110ca7d9
SHA1

a1ef00f5635ade5de097373d89710cf00f16bfe3
SHA256

3ea0ae2b4f2ef54ec31a155fd20c493ebc6aae640aadf20a2731f50e3e1242f0
SHA512

59116d3df98e5ac0aecffc71328cc3d6065bbc193df1fc2555ebcc71783a3cdc16600ef54a6bf6aabcb3de6a230fc592bf302c8a879d817b6a6e3dcc5df7b7a5
SSDEEP

12288:WqucHnZrJ2WFtJMOqf2Q1/1MoF5+eh8aWvp2g1iqoY3t+vVLtT/:tr0YtKOqr1i+H6aWvpX3uVLtT/

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2080-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2080-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2792-26-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2908-30-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2080-31-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2908-33-0x0000000000C80000-0x0000000000C96000-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

Adds policy Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Updater = "C:\\Windows\\UpdaterWin\\update.exe"	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Updater = "C:\\Windows\\UpdaterWin\\update.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Updater = "C:\\Windows\\UpdaterWin\\update.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Updater = "C:\\Windows\\UpdaterWin\\update.exe"	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\UpdaterWin\\update.exe restart"	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.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\\UpdaterWin\\update.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2004 set thread context of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2080-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2080-7-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2080-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2080-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2080-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2792-26-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2908-30-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2080-31-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2908-33-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\UpdaterWin\update.exe	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
File created	C:\Windows\UpdaterWin\update.exe	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
File opened for modification	C:\Windows\UpdaterWin\	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.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	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
2908	explorer.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2004 wrote to memory of 2080	2004	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	30
PID 2080 wrote to memory of 2792	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	31
PID 2080 wrote to memory of 2792	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	31
PID 2080 wrote to memory of 2792	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	31
PID 2080 wrote to memory of 2792	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	31
PID 2080 wrote to memory of 2792	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	31
PID 2080 wrote to memory of 2900	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	32
PID 2080 wrote to memory of 2900	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	32
PID 2080 wrote to memory of 2900	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	32
PID 2080 wrote to memory of 2900	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	32
PID 2080 wrote to memory of 2908	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	33
PID 2080 wrote to memory of 2908	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	33
PID 2080 wrote to memory of 2908	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	33
PID 2080 wrote to memory of 2908	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	33
PID 2080 wrote to memory of 2908	2080	JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92463f77f40595d193ec96d7110ca7d9.exe
  2⤵
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - System Location Discovery: System Language Discovery
    PID:2792
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2900
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2908

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\UpdaterWin\update.exe

Filesize
597KB

MD5
92463f77f40595d193ec96d7110ca7d9

SHA1
a1ef00f5635ade5de097373d89710cf00f16bfe3

SHA256
3ea0ae2b4f2ef54ec31a155fd20c493ebc6aae640aadf20a2731f50e3e1242f0

SHA512
59116d3df98e5ac0aecffc71328cc3d6065bbc193df1fc2555ebcc71783a3cdc16600ef54a6bf6aabcb3de6a230fc592bf302c8a879d817b6a6e3dcc5df7b7a5

Download Submit
memory/2004-15-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2004-0-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2004-2-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2080-14-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2080-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-17-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2080-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2080-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2080-7-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2080-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2080-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2080-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2080-31-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2792-26-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2908-30-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2908-33-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads