sakula | a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39

General

Target

a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe
Size

140KB
MD5

fbf65d011592fd4f05ef7f91b39283cd
SHA1

6cb4890e4a12ca76f2e583d683b7db04a7ed4714
SHA256

a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39
SHA512

0e4a414cc6a2179dfc286ed5caf2481b576875df4e3f2a49ba2c46ecf92748e589fee95dc6ae8ee894e4d5bfb3db5d0477b38d9f103bbd3eb5e727173cebf867
SSDEEP

1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjmy9xNDCkrZ:x29DkEGRQixVSjLa130BYgjmy9T7Z

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Sakula family
sakula

Sakula payload 5 IoCs

resource	yara_rule
behavioral2/memory/4792-0-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/files/0x000a000000023b89-3.dat	family_sakula
behavioral2/memory/4792-5-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/3980-6-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/4792-7-0x0000000000400000-0x0000000000425000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe

Executes dropped EXE 1 IoCs

pid	Process
3980	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"	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4792-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/files/0x000a000000023b89-3.dat	upx
behavioral2/memory/4792-5-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/3980-6-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4792-7-0x0000000000400000-0x0000000000425000-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	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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
1884	cmd.exe
484	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
484	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4792	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 3980	4792	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe	82
PID 4792 wrote to memory of 3980	4792	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe	82
PID 4792 wrote to memory of 3980	4792	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe	82
PID 4792 wrote to memory of 1884	4792	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe	91
PID 4792 wrote to memory of 1884	4792	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe	91
PID 4792 wrote to memory of 1884	4792	a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe	91
PID 1884 wrote to memory of 484	1884	cmd.exe	93
PID 1884 wrote to memory of 484	1884	cmd.exe	93
PID 1884 wrote to memory of 484	1884	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe
"C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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:4792
- 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:3980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1884
- - 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:484

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
140KB

MD5
56b816062bfbd7a285ecf6583a0761d1

SHA1
9215e9e0a64b07428d9b6935b824becf58e204ce

SHA256
5a123462f16383b3e8111c5439ce5363266f0c8aafb0c38f774c866e83aaee22

SHA512
16f1b088f73d8384233cf305860ffb01ea01f825c92b3714ffcc5c3abc4575e8c1d9b9322facc7d647a2b8b8573bd4529c9a826e46b23664e82bf399f1bc9e47

Download Submit
memory/3980-6-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4792-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4792-5-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4792-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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