sakula | b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af

General

Target

b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe
Size

43KB
MD5

2d65fcc01ecf1f4c2f92ecf344d5b6a1
SHA1

e6bc19f1ec36e2f539a9230d19e592aa9557e5c0
SHA256

b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af
SHA512

116033e0595bd878ab9337c6b3a05bc5cde0c46dcab248fba67dcdd65063fcec42434ee5497e3a75ffdc48613f7506a2703753440f3f2d937e238e57dab1c5a7
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqs:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8u

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 family
sakula

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/2904-6-0x0000000000CA0000-0x0000000000CBF000-memory.dmp	family_sakula
behavioral2/memory/4668-9-0x0000000000320000-0x000000000033F000-memory.dmp	family_sakula
behavioral2/memory/2904-15-0x0000000000CA0000-0x0000000000CBF000-memory.dmp	family_sakula
behavioral2/memory/4668-19-0x0000000000320000-0x000000000033F000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe

Executes dropped EXE 1 IoCs

pid	Process
4668	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"	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2904-0-0x0000000000CA0000-0x0000000000CBF000-memory.dmp	upx
behavioral2/files/0x0008000000023c88-3.dat	upx
behavioral2/memory/4668-5-0x0000000000320000-0x000000000033F000-memory.dmp	upx
behavioral2/memory/2904-6-0x0000000000CA0000-0x0000000000CBF000-memory.dmp	upx
behavioral2/memory/4668-9-0x0000000000320000-0x000000000033F000-memory.dmp	upx
behavioral2/memory/2904-15-0x0000000000CA0000-0x0000000000CBF000-memory.dmp	upx
behavioral2/memory/4668-19-0x0000000000320000-0x000000000033F000-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	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.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
3584	cmd.exe
2540	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2540	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2904	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 4668	2904	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe	83
PID 2904 wrote to memory of 4668	2904	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe	83
PID 2904 wrote to memory of 4668	2904	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe	83
PID 2904 wrote to memory of 3584	2904	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe	99
PID 2904 wrote to memory of 3584	2904	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe	99
PID 2904 wrote to memory of 3584	2904	b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe	99
PID 3584 wrote to memory of 2540	3584	cmd.exe	101
PID 3584 wrote to memory of 2540	3584	cmd.exe	101
PID 3584 wrote to memory of 2540	3584	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe
"C:\Users\Admin\AppData\Local\Temp\b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.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:2904
- 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:4668
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b22a3ddc9a2447a730d70a90e0d32cf14c01c70f0260de6079e25392a95580af.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3584
- - 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:2540

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
f86e036e9bf4cc11b8d76810e151d8b7

SHA1
c09d9accd6beb0eedfcc274790c2699d19ca8ff3

SHA256
e70b1245325fee6b7f0748dd10d93fb6dc21fae754a2796d916ed1a0b48b504c

SHA512
36b1797b4a395ab68e953f6847a216087ff829719aae1e289a1bbf4ea3dcaec6c7158c708b1a8f04389dfb677422c89df107f94063e1a8e10e0862b8ff97c669

Download Submit
memory/2904-0-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/2904-6-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/2904-15-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/4668-5-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download
memory/4668-9-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download
memory/4668-19-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads