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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2512 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2096 MediaCenter.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exe

pid process

2112 cmd.exe
2112 cmd.exe

pid	process
2512	cmd.exe

pid	process
2096	MediaCenter.exe

pid	process
2112	cmd.exe
2112	cmd.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2076-1-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2076-2-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2076-3-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2076-5-0x0000000000400000-0x000000000040E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
behavioral1/memory/2096-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
behavioral1/memory/2096-17-0x0000000000400000-0x000000000040E000-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

2688 reg.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2704 PING.EXE

pid	process
2688	reg.exe

pid	process
2704	PING.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

NEAS.d0683378777280f973f576a6423cce70.execmd.execmd.execmd.exe

description	pid	process	target process
PID 2076 wrote to memory of 1744	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 1744	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 1744	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 1744	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2112	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2112	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2112	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2112	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2512	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2512	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2512	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2076 wrote to memory of 2512	2076	NEAS.d0683378777280f973f576a6423cce70.exe	cmd.exe
PID 2112 wrote to memory of 2096	2112	cmd.exe	MediaCenter.exe
PID 2112 wrote to memory of 2096	2112	cmd.exe	MediaCenter.exe
PID 2112 wrote to memory of 2096	2112	cmd.exe	MediaCenter.exe
PID 2112 wrote to memory of 2096	2112	cmd.exe	MediaCenter.exe
PID 1744 wrote to memory of 2688	1744	cmd.exe	reg.exe
PID 1744 wrote to memory of 2688	1744	cmd.exe	reg.exe
PID 1744 wrote to memory of 2688	1744	cmd.exe	reg.exe
PID 1744 wrote to memory of 2688	1744	cmd.exe	reg.exe
PID 2512 wrote to memory of 2704	2512	cmd.exe	PING.EXE
PID 2512 wrote to memory of 2704	2512	cmd.exe	PING.EXE
PID 2512 wrote to memory of 2704	2512	cmd.exe	PING.EXE
PID 2512 wrote to memory of 2704	2512	cmd.exe	PING.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:2076

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:1744

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:2688

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2112

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
3⤵
- Executes dropped EXE
PID:2096

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\NEAS.d0683378777280f973f576a6423cce70.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2512

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2704

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
950a8d3dcbf1115758d9012e0b853418

SHA1
b4a5e2ecbf76d8417429afd7cfaa1637b87712a1

SHA256
7bcfde525fef3b94c6bcc34fe62d671a0430954a0c7147b8997c8a136547f83a

SHA512
93cc7fbbb429876c2bdd100d0663768cd4d66849dd9df8a85ee5aaa175bb2395fe115d9d864291ce738d19b3ff6da2462f1064809315a6e48a0a0e059d0f3152

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

MD5
950a8d3dcbf1115758d9012e0b853418

SHA1
b4a5e2ecbf76d8417429afd7cfaa1637b87712a1

SHA256
7bcfde525fef3b94c6bcc34fe62d671a0430954a0c7147b8997c8a136547f83a

SHA512
93cc7fbbb429876c2bdd100d0663768cd4d66849dd9df8a85ee5aaa175bb2395fe115d9d864291ce738d19b3ff6da2462f1064809315a6e48a0a0e059d0f3152

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

MD5
950a8d3dcbf1115758d9012e0b853418

SHA1
b4a5e2ecbf76d8417429afd7cfaa1637b87712a1

SHA256
7bcfde525fef3b94c6bcc34fe62d671a0430954a0c7147b8997c8a136547f83a

SHA512
93cc7fbbb429876c2bdd100d0663768cd4d66849dd9df8a85ee5aaa175bb2395fe115d9d864291ce738d19b3ff6da2462f1064809315a6e48a0a0e059d0f3152

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

MD5
950a8d3dcbf1115758d9012e0b853418

SHA1
b4a5e2ecbf76d8417429afd7cfaa1637b87712a1

SHA256
7bcfde525fef3b94c6bcc34fe62d671a0430954a0c7147b8997c8a136547f83a

SHA512
93cc7fbbb429876c2bdd100d0663768cd4d66849dd9df8a85ee5aaa175bb2395fe115d9d864291ce738d19b3ff6da2462f1064809315a6e48a0a0e059d0f3152

Download Submit
memory/2076-3-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-1-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2096-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2096-17-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2112-9-0x00000000001B0000-0x00000000001BE000-memory.dmp

Filesize
56KB

Download
memory/2112-13-0x00000000001B0000-0x00000000001BE000-memory.dmp

Filesize
56KB

Download
memory/2112-14-0x00000000001B0000-0x00000000001BE000-memory.dmp

Filesize
56KB

Download
memory/2112-15-0x00000000001B0000-0x00000000001BE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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