xtremerat | a0830538e1da0efcbbe43ecbba0ea7397afb587e8d8eb50863b65402726aa7f6

General

Target

fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
Size

315KB
MD5

fb371836525989320d570ccb8d4a94c0
SHA1

162e47a7f9e6d1d0cf695c9f4be0536e4c904139
SHA256

a0830538e1da0efcbbe43ecbba0ea7397afb587e8d8eb50863b65402726aa7f6
SHA512

1a44d864033e9b81082cc745590df6e40c111cde7eecc3df7ddca8ee5f203eaaa674ac4c2d3ceb6cffbc3405d692bf4bf32f1b632926b2028405fa300286102a
SSDEEP

6144:U1db49+rEg024fpLZazEjvE/rbay19tSt4bO2BaDmeBJe59utc2j18m7:UjkArEN249AyE/rbaMct4bO2/VfC18S

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

hasn.no-ip.org

Signatures

Detect XtremeRAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2968-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2968-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3000-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2588-17-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2968-18-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2588-21-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3000-23-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2588-24-0x0000000010000000-0x000000001004D000-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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exeexplorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{35V344L7-T1G3-0G70-717K-5JOTX8D60C7T}\StubPath = "C:\\Windows\\system32\\system32\\system.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{35V344L7-T1G3-0G70-717K-5JOTX8D60C7T}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{35V344L7-T1G3-0G70-717K-5JOTX8D60C7T}\StubPath = "C:\\Windows\\system32\\system32\\system.exe restart"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{35V344L7-T1G3-0G70-717K-5JOTX8D60C7T}	svchost.exe

UPX packed file 15 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2524-0-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2968-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2968-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2968-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2968-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2524-8-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2968-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2968-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3000-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2588-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2968-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2588-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx
C:\Windows\SysWOW64\system32\system.exe	upx
behavioral1/memory/3000-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2588-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\system32\\system.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system32\\system.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\system32\\system.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\system32\\system.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system32\\system.exe"	svchost.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/2524-8-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe

Drops file in System32 directory 3 IoCs

Processes:

explorer.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\system32\system.exe	explorer.exe
File created	C:\Windows\SysWOW64\system32\system.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\system32\	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe

description	pid	process	target process
PID 2524 set thread context of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

2588 explorer.exe

pid	process
2588	explorer.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exefb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe

description	pid	process	target process
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2524 wrote to memory of 2968	2524	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
PID 2968 wrote to memory of 3000	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	svchost.exe
PID 2968 wrote to memory of 3000	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	svchost.exe
PID 2968 wrote to memory of 3000	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	svchost.exe
PID 2968 wrote to memory of 3000	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	svchost.exe
PID 2968 wrote to memory of 3000	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	svchost.exe
PID 2968 wrote to memory of 2588	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	explorer.exe
PID 2968 wrote to memory of 2588	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	explorer.exe
PID 2968 wrote to memory of 2588	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	explorer.exe
PID 2968 wrote to memory of 2588	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	explorer.exe
PID 2968 wrote to memory of 2588	2968	fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2524

C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\svchost.exe
svchost.exe
3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
PID:3000

C:\Windows\SysWOW64\explorer.exe
explorer.exe
3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:2588

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\system32\system.exe
Filesize
315KB

MD5
fb371836525989320d570ccb8d4a94c0

SHA1
162e47a7f9e6d1d0cf695c9f4be0536e4c904139

SHA256
a0830538e1da0efcbbe43ecbba0ea7397afb587e8d8eb50863b65402726aa7f6

SHA512
1a44d864033e9b81082cc745590df6e40c111cde7eecc3df7ddca8ee5f203eaaa674ac4c2d3ceb6cffbc3405d692bf4bf32f1b632926b2028405fa300286102a

Download Submit
memory/2524-8-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2524-0-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2588-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2588-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2588-17-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-4-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2968-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3000-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3000-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads