sakula | e05c89fac9411331ea9b07901e650b693b262cf0d46559baaba8e2fdf6af2101

General

Target

NEAS.d0683378777280f973f576a6423cce70.exe
Size

51KB
MD5

d0683378777280f973f576a6423cce70
SHA1

b7bbb6386b795c8d252870a6ec8d59debcd04491
SHA256

e05c89fac9411331ea9b07901e650b693b262cf0d46559baaba8e2fdf6af2101
SHA512

00a49acf2b018332f80e628d9ebdf35ee3f892b45f728604382e4a04d74a928023b5077a0f4c986b985216678ac1c901d20ecf0e240ae1dd56360f712cedbc48
SSDEEP

768:avxa3HNCmd98GrARNx4PsED3VK2+ZtyOjgO4r9vFAg2rqV:p3MbeYTjipvF2s

Score

10^/10

sakula persistence rat trojan upx

Malware Config

Extracted

Family

sakula

C2

http://vpn.premrera.com:443/viewpre.asp?cstring=%s&tom=%d&id=%d

http://vpn.premrera.com:443/photo/%s.jpg?id=%d

http://173.254.226.212:443/viewpre.asp?cstring=%s&tom=%d&id=%d

http://173.254.226.212:443/photo/%s.jpg?id=%d

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2448 MediaCenter.exe

pid	process
2448	MediaCenter.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/5044-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/5044-1-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/5044-3-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/5044-5-0x0000000000400000-0x000000000040E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
behavioral2/memory/2448-9-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2448-10-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2448-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2448-19-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

3732 reg.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2176 PING.EXE

pid	process
3732	reg.exe

pid	process
2176	PING.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

NEAS.d0683378777280f973f576a6423cce70.execmd.execmd.execmd.exe

description	pid	process	target process
PID 5044 wrote to memory of 1352	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 1352	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 1352	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 2284	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 2284	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 2284	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 1188	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 1188	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 5044 wrote to memory of 1188	5044	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 1352 wrote to memory of 3732	1352	cmd.exe	reg.exe
PID 1352 wrote to memory of 3732	1352	cmd.exe	reg.exe
PID 1352 wrote to memory of 3732	1352	cmd.exe	reg.exe
PID 1188 wrote to memory of 2176	1188	cmd.exe	PING.EXE
PID 1188 wrote to memory of 2176	1188	cmd.exe	PING.EXE
PID 1188 wrote to memory of 2176	1188	cmd.exe	PING.EXE
PID 2284 wrote to memory of 2448	2284	cmd.exe	MediaCenter.exe
PID 2284 wrote to memory of 2448	2284	cmd.exe	MediaCenter.exe
PID 2284 wrote to memory of 2448	2284	cmd.exe	MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.d0683378777280f973f576a6423cce70.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.d0683378777280f973f576a6423cce70.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5044

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1352

C:\Windows\SysWOW64\reg.exe
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
3⤵
- Adds Run key to start application
- Modifies registry key
PID:3732

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2284

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
3⤵
- Executes dropped EXE
PID:2448

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\NEAS.d0683378777280f973f576a6423cce70.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Filesize
51KB

MD5
9d0d00816684d97baf975fdd692eba45

SHA1
70d317b38ea20a16f41f4876206f7bc0173c4630

SHA256
5e786c52733136d3db9323133ce44dd4e725b65d0608c5a5a02d31e70f4d3bc1

SHA512
4bc9a39b841aab137a66aa7c188361c37032b9292d0d842b880bd9eb5f18e6d8ea6eb9839ac5a04eb7e61c65d7b07af5c0f4730317c62337a6bbbe48bbfd85a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Filesize
51KB

MD5
9d0d00816684d97baf975fdd692eba45

SHA1
70d317b38ea20a16f41f4876206f7bc0173c4630

SHA256
5e786c52733136d3db9323133ce44dd4e725b65d0608c5a5a02d31e70f4d3bc1

SHA512
4bc9a39b841aab137a66aa7c188361c37032b9292d0d842b880bd9eb5f18e6d8ea6eb9839ac5a04eb7e61c65d7b07af5c0f4730317c62337a6bbbe48bbfd85a2

Download Submit
memory/2448-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2448-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2448-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2448-19-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5044-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5044-1-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5044-3-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5044-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads