sakula | a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1c

General

Target

a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe
Size

43KB
MD5

42d24e9a5831fc1009dfbb284a65e190
SHA1

de4edcb8623382d09b4e3e11ac0151d5b09747f6
SHA256

a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1c
SHA512

9238d2c4f922ee75748e5e976a71e4a5dff7eaddc8f54c3188c37d8aa1048120cfeb15d9e03d31e59d2c9f8703cead229a0d291879139da9a44160571c2fddae
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqX:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8J

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/916-6-0x0000000000650000-0x000000000066F000-memory.dmp	family_sakula
behavioral2/memory/3228-8-0x0000000000BF0000-0x0000000000C0F000-memory.dmp	family_sakula
behavioral2/memory/916-14-0x0000000000650000-0x000000000066F000-memory.dmp	family_sakula
behavioral2/memory/3228-19-0x0000000000BF0000-0x0000000000C0F000-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	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe

Executes dropped EXE 1 IoCs

pid	Process
3228	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"	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/916-0-0x0000000000650000-0x000000000066F000-memory.dmp	upx
behavioral2/files/0x000c000000023b94-3.dat	upx
behavioral2/memory/3228-4-0x0000000000BF0000-0x0000000000C0F000-memory.dmp	upx
behavioral2/memory/916-6-0x0000000000650000-0x000000000066F000-memory.dmp	upx
behavioral2/memory/3228-8-0x0000000000BF0000-0x0000000000C0F000-memory.dmp	upx
behavioral2/memory/916-14-0x0000000000650000-0x000000000066F000-memory.dmp	upx
behavioral2/memory/3228-19-0x0000000000BF0000-0x0000000000C0F000-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	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.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
4612	cmd.exe
4476	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4476	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	916	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 3228	916	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe	82
PID 916 wrote to memory of 3228	916	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe	82
PID 916 wrote to memory of 3228	916	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe	82
PID 916 wrote to memory of 4612	916	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe	91
PID 916 wrote to memory of 4612	916	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe	91
PID 916 wrote to memory of 4612	916	a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe	91
PID 4612 wrote to memory of 4476	4612	cmd.exe	93
PID 4612 wrote to memory of 4476	4612	cmd.exe	93
PID 4612 wrote to memory of 4476	4612	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe
"C:\Users\Admin\AppData\Local\Temp\a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.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:916
- 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:3228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a89b0d8033d218469bc3bb0c1b81373db8a2a7d705349b8519815c4d0581dc1cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4612
- - 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:4476

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
d64f05e41e67bf68a9cfd37ae72c7ff3

SHA1
df6610ddfb1fee6cb405d05bb6f4c26525dcc04e

SHA256
be84d6221e45aca71a32b5aaa4e7b1bab072155a7a1a436c445738f3ef9a00bb

SHA512
8d3ea9c14eb82ea94b4e6734569445b0a25c8fa8cebbff1cff945d4ec3f2a5372be8923ca68f3fb36b442ac7d49da98ca13044ea00a137280df6970d33462e61

Download Submit
memory/916-0-0x0000000000650000-0x000000000066F000-memory.dmp

Filesize
124KB

Download
memory/916-6-0x0000000000650000-0x000000000066F000-memory.dmp

Filesize
124KB

Download
memory/916-14-0x0000000000650000-0x000000000066F000-memory.dmp

Filesize
124KB

Download
memory/3228-4-0x0000000000BF0000-0x0000000000C0F000-memory.dmp

Filesize
124KB

Download
memory/3228-8-0x0000000000BF0000-0x0000000000C0F000-memory.dmp

Filesize
124KB

Download
memory/3228-19-0x0000000000BF0000-0x0000000000C0F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads