sakula | f1d87ff8d6fa2214a286638f2a539c0ddea67c938835b4b09cd3f7ed8daf2533

General

Target

b0b18ee35a72adbc8ae250bd4da1aeb0N.exe
Size

283KB
MD5

b0b18ee35a72adbc8ae250bd4da1aeb0
SHA1

cc0a8d5a77305643882c522b36ecd24085a3189f
SHA256

f1d87ff8d6fa2214a286638f2a539c0ddea67c938835b4b09cd3f7ed8daf2533
SHA512

e46e4bbfe9b650da8b1365a9ccf6cc6d8069eefb9dee92bfdaa109106d985eca2326aa60b2f390e7184087b770d5fe5d2954fd47d7b72673189f54317ae0f946
SSDEEP

1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJv:Nm2rocIyhYtJxKJqrout+BsZhX

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 payload 4 IoCs

resource	yara_rule
behavioral2/memory/4152-6-0x00000000000E0000-0x00000000000FF000-memory.dmp	family_sakula
behavioral2/memory/3020-7-0x0000000000DD0000-0x0000000000DEF000-memory.dmp	family_sakula
behavioral2/memory/4152-13-0x00000000000E0000-0x00000000000FF000-memory.dmp	family_sakula
behavioral2/memory/3020-18-0x0000000000DD0000-0x0000000000DEF000-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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe

Executes dropped EXE 1 IoCs

pid	Process
3020	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4152-0-0x00000000000E0000-0x00000000000FF000-memory.dmp	upx
behavioral2/files/0x00080000000234d9-3.dat	upx
behavioral2/memory/3020-5-0x0000000000DD0000-0x0000000000DEF000-memory.dmp	upx
behavioral2/memory/4152-6-0x00000000000E0000-0x00000000000FF000-memory.dmp	upx
behavioral2/memory/3020-7-0x0000000000DD0000-0x0000000000DEF000-memory.dmp	upx
behavioral2/memory/4152-13-0x00000000000E0000-0x00000000000FF000-memory.dmp	upx
behavioral2/memory/3020-18-0x0000000000DD0000-0x0000000000DEF000-memory.dmp	upx

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"	b0b18ee35a72adbc8ae250bd4da1aeb0N.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
840	cmd.exe
3408	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3408	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4152	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 3020	4152	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe	84
PID 4152 wrote to memory of 3020	4152	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe	84
PID 4152 wrote to memory of 3020	4152	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe	84
PID 4152 wrote to memory of 840	4152	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe	97
PID 4152 wrote to memory of 840	4152	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe	97
PID 4152 wrote to memory of 840	4152	b0b18ee35a72adbc8ae250bd4da1aeb0N.exe	97
PID 840 wrote to memory of 3408	840	cmd.exe	99
PID 840 wrote to memory of 3408	840	cmd.exe	99
PID 840 wrote to memory of 3408	840	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\b0b18ee35a72adbc8ae250bd4da1aeb0N.exe
"C:\Users\Admin\AppData\Local\Temp\b0b18ee35a72adbc8ae250bd4da1aeb0N.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:4152
- 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:3020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b0b18ee35a72adbc8ae250bd4da1aeb0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:840
- - 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:3408

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
283KB

MD5
66d36857c77dfae6494b421331c6e8d7

SHA1
b62ed19cc908717fcf5caed799eaf5383b6b4aa3

SHA256
acef2cb8008e1ae8fd8b816bd2fc07aef1621c6f6ec7ce8b7b26e57d12e6ff46

SHA512
0b4bbd26ed74590d13c4ccedcfb308e798400fcbfb23da6b3946721c3f647d3da88608f6d3d494d4f34e660ddf92a599b09dcfce18c29a864549795bbbffe0b2

Download Submit
memory/3020-5-0x0000000000DD0000-0x0000000000DEF000-memory.dmp

Filesize
124KB

Download
memory/3020-7-0x0000000000DD0000-0x0000000000DEF000-memory.dmp

Filesize
124KB

Download
memory/3020-18-0x0000000000DD0000-0x0000000000DEF000-memory.dmp

Filesize
124KB

Download
memory/4152-0-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/4152-6-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/4152-13-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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