sakula | b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80

General

Target
b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.exe
Size 99KB
Sample260507-caf4yahw5m
SHA256 b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80
MD5 7af0b4b3fd8b60d938fd932de4281622
SHA1 08f1880c2750d1738306080d7b63526ae32d6ff1
SHA512 c35cd6f04184aac80853f60cd2280cf6f7d4ca54c4f940f96d5fa70705780e1b102674874770bd3b73403323f6e295ff5a7765910e514741b6cd380131791362
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtruxp:t0hpgz6xGhZamyF30Bqxp
TLSH
T1AAA35A16B6D0C032E062153804B8E6635A7AF9324ABCC1977BC5177EBEB03D19D3AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery sakula persistence rat trojan

Malware Config

Signatures

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

Sakula payload 6 IoCs

resource	yara_rule
behavioral1/memory/3280-0-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/files/0x000800000002443d-2.dat	family_sakula
behavioral1/memory/4068-4-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/3280-6-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/4068-7-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/3280-8-0x0000000000400000-0x000000000041B000-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-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation	b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.exe

Executes dropped EXE 1 IoCs

pid	Process
4068	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"	b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.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	b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.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
2140	cmd.exe
4104	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4104	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3280	b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 4068	3280	b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.exe	85
PID 3280 wrote to memory of 2140	3280	b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.exe	89
PID 2140 wrote to memory of 4104	2140	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.exe
"C:\Users\Admin\AppData\Local\Temp\b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.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:3280
- 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:4068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b20b52d4a7f28e0d7a14cb42985001a5185e237fb9c960b92b462d5ce435bf80.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - 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:4104

Network

MITRE ATT&CK Enterprise v16

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 99KB
SHA256 4182d1e8d770a23060290e5b2c8d6da8138aceed2fee34d1e5e34f0b9e94f279
MD5 1109651b0f89ff297042bc327f6913c4
SHA1 c8f13648ebde463c3c999a963abe1d022d6a102d
SHA512 e13af6b51ae7d0183cf939b47fc5e8eb7ee9ae000c68ce0216ff1c28769d7108c64b3d5719c9d861fb874e92ea1163e394e384ecb59a1f56c73bbccb37027d91
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtruxy:t0hpgz6xGhZamyF30Bqxy
TLSH
T1E9A35A16B6D0C032E062153804B8E6635A7AF9324ABCC1977BC5177EBEB03D1993AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3280-0-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3280-6-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3280-8-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4068-4-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4068-7-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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