sakula | 31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05a

General

Target

31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe
Size

283KB
MD5

fa85b7bdc5b9763ab1afd21a6bebdf60
SHA1

ff0bd58c2a8fc2921f3b57a6fdae27a863284c24
SHA256

31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05a
SHA512

69a3140476bc7bd79e6970beadb791f5d81fcdcd4faa52c73131de6e7d70b6c7db760034c0131c8081f87f6381aa666331747b3ecce69f7fe131a325619e703f
SSDEEP

1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJ8:Nm2rocIyhYtJxKJqrout+BsZhU

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/4744-6-0x0000000000760000-0x000000000077F000-memory.dmp	family_sakula
behavioral2/memory/5064-8-0x0000000000960000-0x000000000097F000-memory.dmp	family_sakula
behavioral2/memory/4744-13-0x0000000000760000-0x000000000077F000-memory.dmp	family_sakula
behavioral2/memory/5064-16-0x0000000000960000-0x000000000097F000-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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe

Executes dropped EXE 1 IoCs

pid	Process
5064	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"	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4744-0-0x0000000000760000-0x000000000077F000-memory.dmp	upx
behavioral2/files/0x00080000000234e5-4.dat	upx
behavioral2/memory/5064-5-0x0000000000960000-0x000000000097F000-memory.dmp	upx
behavioral2/memory/4744-6-0x0000000000760000-0x000000000077F000-memory.dmp	upx
behavioral2/memory/5064-8-0x0000000000960000-0x000000000097F000-memory.dmp	upx
behavioral2/memory/4744-13-0x0000000000760000-0x000000000077F000-memory.dmp	upx
behavioral2/memory/5064-16-0x0000000000960000-0x000000000097F000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.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
2188	cmd.exe
3944	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3944	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4744	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 5064	4744	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe	82
PID 4744 wrote to memory of 5064	4744	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe	82
PID 4744 wrote to memory of 5064	4744	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe	82
PID 4744 wrote to memory of 2188	4744	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe	91
PID 4744 wrote to memory of 2188	4744	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe	91
PID 4744 wrote to memory of 2188	4744	31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe	91
PID 2188 wrote to memory of 3944	2188	cmd.exe	93
PID 2188 wrote to memory of 3944	2188	cmd.exe	93
PID 2188 wrote to memory of 3944	2188	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe
"C:\Users\Admin\AppData\Local\Temp\31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.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:4744
- 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:5064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\31f9126c12fe44ff24d9b721920393be497bc40a2bc58d907acfc5f6a1ece05aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2188
- - 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:3944

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
3db779ab78c518c9ce4dc4144fabe3c7

SHA1
1dc4ebbf1cbc84db5d87078459f3494b9a501412

SHA256
b34e896174ccef7d4af5f74d181df9d9dec2dfdc440b49dc931dfccc5c3defb0

SHA512
37938b377be10096a64add1fdd0180baedb995c377aa38c6fceee93445241b0bc5350944635afe800e788ce87f723b24d247b793b5ae9a2b25eb332e6b78069e

Download Submit
memory/4744-0-0x0000000000760000-0x000000000077F000-memory.dmp

Filesize
124KB

Download
memory/4744-6-0x0000000000760000-0x000000000077F000-memory.dmp

Filesize
124KB

Download
memory/4744-13-0x0000000000760000-0x000000000077F000-memory.dmp

Filesize
124KB

Download
memory/5064-5-0x0000000000960000-0x000000000097F000-memory.dmp

Filesize
124KB

Download
memory/5064-8-0x0000000000960000-0x000000000097F000-memory.dmp

Filesize
124KB

Download
memory/5064-16-0x0000000000960000-0x000000000097F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads