sakula | 76cb213faa95d51b6022a3f936437657c8ef499571978774684075f73782b522

General

Target

a1d842f11aedee4ea2d681b25ce900b0N.exe
Size

41KB
MD5

a1d842f11aedee4ea2d681b25ce900b0
SHA1

dbc6c4608d6fe60968c9e4ea0fbe4f8d805c39c5
SHA256

76cb213faa95d51b6022a3f936437657c8ef499571978774684075f73782b522
SHA512

8ace17b75d9aafe60cfafcc88394f5ca87b1d1b44c0503750c7c08c7f2dc8cc19fecc8fa4601dd92f3f1f36bcfda6651053796aed6cfb9a0e5df3ed5f7c12cb9
SSDEEP

768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7Ua:N/JKiMLE9bOq5fgn6Ozoaz7nouy8a

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 payload 4 IoCs

resource	yara_rule
behavioral2/memory/3900-6-0x0000000000400000-0x000000000041E000-memory.dmp	family_sakula
behavioral2/memory/2220-8-0x0000000000400000-0x000000000041E000-memory.dmp	family_sakula
behavioral2/memory/3900-13-0x0000000000400000-0x000000000041E000-memory.dmp	family_sakula
behavioral2/memory/2220-15-0x0000000000400000-0x000000000041E000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	a1d842f11aedee4ea2d681b25ce900b0N.exe

Executes dropped EXE 1 IoCs

pid	Process
2220	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3900-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/files/0x000b0000000234c9-3.dat	upx
behavioral2/memory/2220-5-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/3900-6-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/2220-8-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/3900-13-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/2220-15-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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"	a1d842f11aedee4ea2d681b25ce900b0N.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	a1d842f11aedee4ea2d681b25ce900b0N.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
2324	PING.EXE
1276	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2324	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3900	a1d842f11aedee4ea2d681b25ce900b0N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 2220	3900	a1d842f11aedee4ea2d681b25ce900b0N.exe	84
PID 3900 wrote to memory of 2220	3900	a1d842f11aedee4ea2d681b25ce900b0N.exe	84
PID 3900 wrote to memory of 2220	3900	a1d842f11aedee4ea2d681b25ce900b0N.exe	84
PID 3900 wrote to memory of 1276	3900	a1d842f11aedee4ea2d681b25ce900b0N.exe	97
PID 3900 wrote to memory of 1276	3900	a1d842f11aedee4ea2d681b25ce900b0N.exe	97
PID 3900 wrote to memory of 1276	3900	a1d842f11aedee4ea2d681b25ce900b0N.exe	97
PID 1276 wrote to memory of 2324	1276	cmd.exe	99
PID 1276 wrote to memory of 2324	1276	cmd.exe	99
PID 1276 wrote to memory of 2324	1276	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\a1d842f11aedee4ea2d681b25ce900b0N.exe
"C:\Users\Admin\AppData\Local\Temp\a1d842f11aedee4ea2d681b25ce900b0N.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:3900
- 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:2220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a1d842f11aedee4ea2d681b25ce900b0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1276
- - 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:2324

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
41KB

MD5
8c562887790bf79e1a123f2e2329891c

SHA1
2ac5468ced4f5cabaced16a1bf0038806b59033b

SHA256
4306a36018a4ce18cc3030ddee1627f1d5055c7f37d8e1ee89c6b247365f7b71

SHA512
ead109f986562e556f66cc074576e1ffb0d3b8e73a3ad02e06dd5a7bf767a2b96434e3a0d1dfddac1c6fec41a7ce4fe6bc0522d605e4ef3ed8c4af31ade10ae9

Download Submit
memory/2220-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2220-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2220-15-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3900-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3900-6-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3900-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads