sakula | b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0

General

Target

b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe
Size

43KB
MD5

7cd082c8c8e24ed30649c358c21a7151
SHA1

1d8f1137c074a0aa9d4e94ff9cb8e1716adfed33
SHA256

b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0
SHA512

03ceeca4dd5db45a9344a1c42336e1ad885e20c10c5417bf396222297b7df56115cfa65012d5bfa1a4d26077bf4704a7e9d42d953ef65dabb4fba33cab7bb7d1
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqr:+U9abrtX4oocIK3yQkaY9z/S0hhy6k85

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Sakula family
sakula

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/684-6-0x0000000000320000-0x000000000033F000-memory.dmp	family_sakula
behavioral2/memory/2176-9-0x0000000000F30000-0x0000000000F4F000-memory.dmp	family_sakula
behavioral2/memory/684-15-0x0000000000320000-0x000000000033F000-memory.dmp	family_sakula
behavioral2/memory/2176-19-0x0000000000F30000-0x0000000000F4F000-memory.dmp	family_sakula

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	MediaCenter.exe

Adds Run key to start application 2 TTPs 1 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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/684-0-0x0000000000320000-0x000000000033F000-memory.dmp	upx
behavioral2/files/0x0009000000023c9d-3.dat	upx
behavioral2/memory/2176-4-0x0000000000F30000-0x0000000000F4F000-memory.dmp	upx
behavioral2/memory/684-6-0x0000000000320000-0x000000000033F000-memory.dmp	upx
behavioral2/memory/2176-9-0x0000000000F30000-0x0000000000F4F000-memory.dmp	upx
behavioral2/memory/684-15-0x0000000000320000-0x000000000033F000-memory.dmp	upx
behavioral2/memory/2176-19-0x0000000000F30000-0x0000000000F4F000-memory.dmp	upx

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	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2360	cmd.exe
4364	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4364	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	684	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 2176	684	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe	82
PID 684 wrote to memory of 2176	684	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe	82
PID 684 wrote to memory of 2176	684	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe	82
PID 684 wrote to memory of 2360	684	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe	91
PID 684 wrote to memory of 2360	684	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe	91
PID 684 wrote to memory of 2360	684	b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe	91
PID 2360 wrote to memory of 4364	2360	cmd.exe	93
PID 2360 wrote to memory of 4364	2360	cmd.exe	93
PID 2360 wrote to memory of 4364	2360	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe
"C:\Users\Admin\AppData\Local\Temp\b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:684
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b63955bd705af691ec8e8e62e25eb59f786fb00aea99df7ce4f39bd1f322e7b0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4364

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

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
43KB

MD5
023ff94ae67d568f7ce6a725dcdad7df

SHA1
a8015e44a8c3f139287186a119035a25e7b4767c

SHA256
d5e80aa37f84faa90f19393e6eb73edd36a1d3889269b2824d4938f0d6547db6

SHA512
cfe2ba5e08bc0112f7630f9ffccf9adefa1ce18e59fef7c24dc41f3a4bde8fb51fe983c54cd8143b5224173dd542bc1d6acc0361597bd84c3a3872ba705a2d27

Download Submit
memory/684-0-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download
memory/684-6-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download
memory/684-15-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download
memory/2176-4-0x0000000000F30000-0x0000000000F4F000-memory.dmp

Filesize
124KB

Download
memory/2176-9-0x0000000000F30000-0x0000000000F4F000-memory.dmp

Filesize
124KB

Download
memory/2176-19-0x0000000000F30000-0x0000000000F4F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads