xtremerat | aaa157684377b4f97b555562104247b1af56a52dece8d3af172e9e4d993b7d13

General

Target

JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
Size

484KB
MD5

553b2fdd58c83bce4806c40ecc359ac4
SHA1

66ffff4db2f8761bcef4114df29da1d80abb1a87
SHA256

aaa157684377b4f97b555562104247b1af56a52dece8d3af172e9e4d993b7d13
SHA512

cf7f309f325bf4e1e53d70d6b0579098155b60b0afad023de622225b871d6b612d4305589f2265f9c379a29d273bb7b3a9f5d1867f13ae1b0bd060c2b914036f
SSDEEP

6144:wjEx+4kJGbnw5lORJTOvRabYkRXBc6oCiTMMM:SExnq8Kivi5M

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

saiddz.no-ip.info

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3932-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2336-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/748-15-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3932-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/748-18-0x0000000000C80000-0x0000000000C96000-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

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\{1W2UBC4I-52NO-Y56J-B2I7-0W2675527B0W}	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1W2UBC4I-52NO-Y56J-B2I7-0W2675527B0W}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart"	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{1W2UBC4I-52NO-Y56J-B2I7-0W2675527B0W}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1W2UBC4I-52NO-Y56J-B2I7-0W2675527B0W}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart"	svchost.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe"	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe"	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4992 set thread context of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3932-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3932-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3932-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3932-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2336-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/748-15-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3932-16-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/748-18-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\InstallDir\Server.exe	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
File created	C:\Program Files (x86)\InstallDir\Server.exe	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
File opened for modification	C:\Program Files (x86)\InstallDir\	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
748	explorer.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 4992 wrote to memory of 3932	4992	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	84
PID 3932 wrote to memory of 2336	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	86
PID 3932 wrote to memory of 2336	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	86
PID 3932 wrote to memory of 2336	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	86
PID 3932 wrote to memory of 2336	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	86
PID 3932 wrote to memory of 748	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	87
PID 3932 wrote to memory of 748	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	87
PID 3932 wrote to memory of 748	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	87
PID 3932 wrote to memory of 748	3932	JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_553b2fdd58c83bce4806c40ecc359ac4.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3932
- - 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:2336
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:748

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:\Program Files (x86)\InstallDir\Server.exe

Filesize
484KB

MD5
553b2fdd58c83bce4806c40ecc359ac4

SHA1
66ffff4db2f8761bcef4114df29da1d80abb1a87

SHA256
aaa157684377b4f97b555562104247b1af56a52dece8d3af172e9e4d993b7d13

SHA512
cf7f309f325bf4e1e53d70d6b0579098155b60b0afad023de622225b871d6b612d4305589f2265f9c379a29d273bb7b3a9f5d1867f13ae1b0bd060c2b914036f

Download Submit
memory/748-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/748-18-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2336-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3932-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3932-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3932-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3932-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3932-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads