xtremerat | f74bd56640cfe04f74e7d40c73a676e83fa4494ac956005133c6c429b36673b3

General

Target

e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
Size

312KB
MD5

e98fb6fed466eb8a03193e708e79b509
SHA1

31db6748251e6d70ea26f426874d52a1c4ad00e4
SHA256

f74bd56640cfe04f74e7d40c73a676e83fa4494ac956005133c6c429b36673b3
SHA512

08083c633c2bf9f912d705e801441e0f1c4bcb9b28c0f4d437130fcdeab9a2aa3dab8f132029fed0ad95440c8f901f4d5fb6e7b8961b1292af279176ede230f0
SSDEEP

6144:bFGeVNBpt+nTepIH0WuGcd13hnXc1zuty45pYts+oTMho:bFGcNB+Te+0WuDdBhM1yv56S+Y

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mta.myvnc.com

Signatures

Detect XtremeRAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2020-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/5028-9-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2020-11-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2020-12-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/5028-13-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2020-14-0x0000000010000000-0x000000001004B000-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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{2737D22R-5688-8L23-2V1U-8X78872D6X02}	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2737D22R-5688-8L23-2V1U-8X78872D6X02}\StubPath = "C:\\Windows\\InstallDir\\System.exe restart"	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2020-4-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2020-7-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2020-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/5028-9-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2020-11-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2020-12-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/5028-13-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2020-14-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NEW!! = "C:\\Windows\\InstallDir\\System.exe"	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NEW!! = "C:\\Windows\\InstallDir\\System.exe"	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NEW!! = "%NEW!!%"	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

description	pid	process	target process
PID 3840 set thread context of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

Processes:

e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\InstallDir\System.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
File created	C:\Windows\InstallDir\System.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4816 5028 WerFault.exe svchost.exe
1744 5028 WerFault.exe svchost.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exee98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

pid process

3840 e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
2020 e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

pid	pid_target	process	target process
4816	5028	WerFault.exe	svchost.exe
1744	5028	WerFault.exe	svchost.exe

pid	process
3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
2020	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exee98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe

description	pid	process	target process
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 3840 wrote to memory of 2020	3840	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
PID 2020 wrote to memory of 5028	2020	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	svchost.exe
PID 2020 wrote to memory of 5028	2020	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	svchost.exe
PID 2020 wrote to memory of 5028	2020	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	svchost.exe
PID 2020 wrote to memory of 5028	2020	e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3840

C:\Users\Admin\AppData\Local\Temp\e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e98fb6fed466eb8a03193e708e79b509_JaffaCakes118.exe
2⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\svchost.exe
svchost.exe
3⤵
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 480
4⤵
- Program crash
PID:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 488
4⤵
- Program crash
PID:1744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5028 -ip 5028
1⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5028 -ip 5028
1⤵
PID:4716

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4100 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
1⤵
PID:3920

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

memory/2020-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2020-7-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2020-8-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2020-11-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2020-12-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2020-14-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3840-0-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/3840-1-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/3840-6-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/5028-9-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/5028-13-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads