sakula | ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec

General

Target

ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe
Size

43KB
MD5

56eff4dca6ee98fb0a59a831684c3ed0
SHA1

20b2226e9dfa631afd907790d4b31b9a47d71acd
SHA256

ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec
SHA512

33b89c5acc419cd6adcc3449138763a6b44ddd181f7004092888bcc2f9eb36f8912ba0406dd001d39d840645b1f5b39f1165310de2bfe67d7e1edb30e0536b0b
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqk:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8G

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/2256-6-0x0000000000590000-0x00000000005AF000-memory.dmp	family_sakula
behavioral2/memory/4916-8-0x0000000000360000-0x000000000037F000-memory.dmp	family_sakula
behavioral2/memory/2256-13-0x0000000000590000-0x00000000005AF000-memory.dmp	family_sakula
behavioral2/memory/4916-15-0x0000000000360000-0x000000000037F000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe

Executes dropped EXE 1 IoCs

pid	Process
4916	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"	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2256-0-0x0000000000590000-0x00000000005AF000-memory.dmp	upx
behavioral2/files/0x0008000000023c76-3.dat	upx
behavioral2/memory/4916-4-0x0000000000360000-0x000000000037F000-memory.dmp	upx
behavioral2/memory/2256-6-0x0000000000590000-0x00000000005AF000-memory.dmp	upx
behavioral2/memory/4916-8-0x0000000000360000-0x000000000037F000-memory.dmp	upx
behavioral2/memory/2256-13-0x0000000000590000-0x00000000005AF000-memory.dmp	upx
behavioral2/memory/4916-15-0x0000000000360000-0x000000000037F000-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	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.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
2124	cmd.exe
4776	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4776	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2256	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 4916	2256	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe	83
PID 2256 wrote to memory of 4916	2256	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe	83
PID 2256 wrote to memory of 4916	2256	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe	83
PID 2256 wrote to memory of 2124	2256	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe	100
PID 2256 wrote to memory of 2124	2256	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe	100
PID 2256 wrote to memory of 2124	2256	ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe	100
PID 2124 wrote to memory of 4776	2124	cmd.exe	102
PID 2124 wrote to memory of 4776	2124	cmd.exe	102
PID 2124 wrote to memory of 4776	2124	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe
"C:\Users\Admin\AppData\Local\Temp\ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.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:2256
- 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:4916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ef8bbcacfa4d44f573a546259ddd8ab713e1b566fd4b5d7169d33977224503ec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - 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:4776

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
962cdb3b0157b42f9819314791d8ffb8

SHA1
cdb7bb860300bb9b7fe3ec933072368b48d1c70b

SHA256
e5961bedb5269b388574176cf0fcdc916d064fdff233993dd4460356d48655d8

SHA512
f02c8aebac5f1c7adb1d3cb5f79a99e64f6699d938cefb4377a4a40fefbfa14853742ae97f7b3bb91f83aca8e3afea36247f0014827caf56f82a533f8a1874a0

Download Submit
memory/2256-0-0x0000000000590000-0x00000000005AF000-memory.dmp

Filesize
124KB

Download
memory/2256-6-0x0000000000590000-0x00000000005AF000-memory.dmp

Filesize
124KB

Download
memory/2256-13-0x0000000000590000-0x00000000005AF000-memory.dmp

Filesize
124KB

Download
memory/4916-4-0x0000000000360000-0x000000000037F000-memory.dmp

Filesize
124KB

Download
memory/4916-8-0x0000000000360000-0x000000000037F000-memory.dmp

Filesize
124KB

Download
memory/4916-15-0x0000000000360000-0x000000000037F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads