sakula | 40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190

General

Target

40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe
Size

43KB
MD5

879f1a9aa5e5897c65322fc69bcd1972
SHA1

1805bba379aa91c094e6480084fbc5ad1d76ae15
SHA256

40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190
SHA512

d6c0308b91ad36d3e9790c847df8eeb9d19a7b71e8fa8924547fd8fdb17fe40407c3a21b0d93b3760ca876bdd6691ad7c5f906484829d9270c49ffd52f071b43
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqM:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8S

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/3692-6-0x00000000000B0000-0x00000000000CF000-memory.dmp	family_sakula
behavioral2/memory/2100-8-0x0000000000F20000-0x0000000000F3F000-memory.dmp	family_sakula
behavioral2/memory/3692-14-0x00000000000B0000-0x00000000000CF000-memory.dmp	family_sakula
behavioral2/memory/2100-19-0x0000000000F20000-0x0000000000F3F000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe

Executes dropped EXE 1 IoCs

pid	Process
2100	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"	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3692-0-0x00000000000B0000-0x00000000000CF000-memory.dmp	upx
behavioral2/files/0x000a000000023b96-3.dat	upx
behavioral2/memory/2100-4-0x0000000000F20000-0x0000000000F3F000-memory.dmp	upx
behavioral2/memory/3692-6-0x00000000000B0000-0x00000000000CF000-memory.dmp	upx
behavioral2/memory/2100-8-0x0000000000F20000-0x0000000000F3F000-memory.dmp	upx
behavioral2/memory/3692-14-0x00000000000B0000-0x00000000000CF000-memory.dmp	upx
behavioral2/memory/2100-19-0x0000000000F20000-0x0000000000F3F000-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	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.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
1792	cmd.exe
2464	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2464	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3692	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 2100	3692	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe	82
PID 3692 wrote to memory of 2100	3692	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe	82
PID 3692 wrote to memory of 2100	3692	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe	82
PID 3692 wrote to memory of 1792	3692	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe	91
PID 3692 wrote to memory of 1792	3692	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe	91
PID 3692 wrote to memory of 1792	3692	40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe	91
PID 1792 wrote to memory of 2464	1792	cmd.exe	93
PID 1792 wrote to memory of 2464	1792	cmd.exe	93
PID 1792 wrote to memory of 2464	1792	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe
"C:\Users\Admin\AppData\Local\Temp\40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.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:3692
- 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:2100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\40a8c94522288a73f77ab5f3df05eebf4b0e8c5a50dfbbef2c5d3ee6a3702190.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1792
- - 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:2464

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
b00b8d449c5a9b3e893898b78cc0420e

SHA1
e123e51d31cf83c198052fb6e686123814d1a7b1

SHA256
1296e50692344d6a69e4fcfeee310d07902119bf55b058128fda37ad3358aca6

SHA512
62d29cd56ab3917a0f03d155de15e954d367c788be0333b8ae6836bb32dcee31cf45b7c4c135d3e2f3b349bfd3492c63b45c67601dc680f2987e264e37026a25

Download Submit
memory/2100-4-0x0000000000F20000-0x0000000000F3F000-memory.dmp

Filesize
124KB

Download
memory/2100-8-0x0000000000F20000-0x0000000000F3F000-memory.dmp

Filesize
124KB

Download
memory/2100-19-0x0000000000F20000-0x0000000000F3F000-memory.dmp

Filesize
124KB

Download
memory/3692-0-0x00000000000B0000-0x00000000000CF000-memory.dmp

Filesize
124KB

Download
memory/3692-6-0x00000000000B0000-0x00000000000CF000-memory.dmp

Filesize
124KB

Download
memory/3692-14-0x00000000000B0000-0x00000000000CF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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