sakula | 38f639e51e80bb29dc44913411c69f03b953a6aaeed5319f5ad4df18354fd4ba

General

Target
b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe
Size 60KB
Sample240831-ma8jasydlm
SHA256 b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf
MD5 66bff874892ff467378d5c9c8f9c9ef5
SHA1 7174ad727f8346615b9a7174603a789529c29f56
SHA512 77efdf47e120751c4a5ea9a93036287da6912574b16dbef10000ff69c736beaef89caedc8ac103ab83b440aef97c00d5a924f0fc6160018cc4d04326ec9fba23
SSDEEP 1536:iZioIoCwbYP4nuEApQK4TQbtY2gA9DX+ytBO8c3G3eTJ/T:iEoIlwIguEA4c5DgA9DOyq0eF7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Signatures

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

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/4888-5-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/3244-7-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/4888-13-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/3244-17-0x0000000000400000-0x000000000041A000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe

Executes dropped EXE 1 IoCs

pid	Process
3244	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"	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe

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	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.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
2724	cmd.exe
748	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
748	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4888	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 3244	4888	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe	83
PID 4888 wrote to memory of 3244	4888	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe	83
PID 4888 wrote to memory of 3244	4888	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe	83
PID 4888 wrote to memory of 2724	4888	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe	96
PID 4888 wrote to memory of 2724	4888	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe	96
PID 4888 wrote to memory of 2724	4888	b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe	96
PID 2724 wrote to memory of 748	2724	cmd.exe	98
PID 2724 wrote to memory of 748	2724	cmd.exe	98
PID 2724 wrote to memory of 748	2724	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe
"C:\Users\Admin\AppData\Local\Temp\b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.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:4888
- 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:3244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b655052323d602b1059c47413f60e908ffdb38edc45bde553f6cd91133cfc1cf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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:748

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 60KB
SHA256 a174fa318840e09f7a5cee2f00753f4667984269f7735f31634d532879fd5eb7
MD5 4d91743cf762f11a0fd72a46828a3abc
SHA1 7a56b974879916613ddcfd2634e722017765afb0
SHA512 e974fa9fb17fdfd5a77a5a6dd7a1a9bad52a57fc9d0594cf7e82722ef641f5ac88e56c50c8866506a89cbb0c123159e53de64b32b457a29603f55fd8cfbdc08f
SSDEEP 1536:iZioIoCwbYP4nuEApQK4TQbtY2gA9DX+ytBO8c3G3eTJ/v:iEoIlwIguEA4c5DgA9DOyq0eFn
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3244-7-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/3244-17-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4888-0-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4888-5-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4888-13-0x0000000000400000-0x000000000041A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads