sakula | a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764

General

Target

a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe
Size

43KB
MD5

0110796a59768f0a10d2a4e84054f5b0
SHA1

c016958f99476ebf25b0b7aa54547502915dad30
SHA256

a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764
SHA512

2260733d804fa72c075f8a86f427456042ea912c41ee90a99dca885c7fe9f3fa9aec6ac02fc059672e154a16a1e78fdbdded6182d3cc7e0eaf6cba19219848c1
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqL:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8h

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/4004-6-0x0000000000010000-0x000000000002F000-memory.dmp	family_sakula
behavioral2/memory/4112-8-0x0000000000050000-0x000000000006F000-memory.dmp	family_sakula
behavioral2/memory/4004-14-0x0000000000010000-0x000000000002F000-memory.dmp	family_sakula
behavioral2/memory/4112-20-0x0000000000050000-0x000000000006F000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe

Executes dropped EXE 1 IoCs

pid	Process
4112	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4004-0-0x0000000000010000-0x000000000002F000-memory.dmp	upx
behavioral2/files/0x00080000000234ed-3.dat	upx
behavioral2/memory/4112-5-0x0000000000050000-0x000000000006F000-memory.dmp	upx
behavioral2/memory/4004-6-0x0000000000010000-0x000000000002F000-memory.dmp	upx
behavioral2/memory/4112-8-0x0000000000050000-0x000000000006F000-memory.dmp	upx
behavioral2/memory/4004-14-0x0000000000010000-0x000000000002F000-memory.dmp	upx
behavioral2/memory/4112-20-0x0000000000050000-0x000000000006F000-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"	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.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
4560	PING.EXE
3008	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4560	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4004	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 4112	4004	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe	82
PID 4004 wrote to memory of 4112	4004	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe	82
PID 4004 wrote to memory of 4112	4004	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe	82
PID 4004 wrote to memory of 3008	4004	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe	91
PID 4004 wrote to memory of 3008	4004	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe	91
PID 4004 wrote to memory of 3008	4004	a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe	91
PID 3008 wrote to memory of 4560	3008	cmd.exe	93
PID 3008 wrote to memory of 4560	3008	cmd.exe	93
PID 3008 wrote to memory of 4560	3008	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe
"C:\Users\Admin\AppData\Local\Temp\a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.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:4004
- 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:4112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a794b0e4b620059f94e93e0a794ed3aa0af13ca1933086cf1c80e9d52396b764N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - 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:4560

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
ca257a682c5782b75c9a52cac88cbe5e

SHA1
4158858b71e73db4713299fd6518770ece04f1ef

SHA256
faaf92dfd5c7466830e4d818df2c34aa10f8fb79bcc64b84f127909e8d1a2c64

SHA512
77c815daae8dc09185819fe3b89743db866e49708e7193939078cabc2faf3f7e1c5521804b97d488f961f1f381813dd51278a71d37541c81a61ab6517b0b8130

Download Submit
memory/4004-0-0x0000000000010000-0x000000000002F000-memory.dmp

Filesize
124KB

Download
memory/4004-6-0x0000000000010000-0x000000000002F000-memory.dmp

Filesize
124KB

Download
memory/4004-14-0x0000000000010000-0x000000000002F000-memory.dmp

Filesize
124KB

Download
memory/4112-5-0x0000000000050000-0x000000000006F000-memory.dmp

Filesize
124KB

Download
memory/4112-8-0x0000000000050000-0x000000000006F000-memory.dmp

Filesize
124KB

Download
memory/4112-20-0x0000000000050000-0x000000000006F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads