sakula | b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad

General

Target

b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe
Size

41KB
MD5

004537ba1959e1da3b5c709861ccc408
SHA1

aad60fa014fde157c5d241743d7292aac9823428
SHA256

b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad
SHA512

f041180e8d3ed14814de58b63df73cf13f453366369a654813f0f2d75a88a9a6116f86c432216e797ce342ef18401a127736d31529ca99603bf65f9208d9ab20
SSDEEP

768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7U+:N/JKiMLE9bOq5fgn6Ozoaz7nouy8+

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 4 IoCs

resource	yara_rule
behavioral2/memory/4388-5-0x0000000000400000-0x000000000041E000-memory.dmp	family_sakula
behavioral2/memory/2504-7-0x0000000000400000-0x000000000041E000-memory.dmp	family_sakula
behavioral2/memory/4388-13-0x0000000000400000-0x000000000041E000-memory.dmp	family_sakula
behavioral2/memory/2504-19-0x0000000000400000-0x000000000041E000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe

Executes dropped EXE 1 IoCs

pid	Process
2504	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"	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4388-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/files/0x000a000000023b97-3.dat	upx
behavioral2/memory/4388-5-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/2504-7-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/4388-13-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/2504-19-0x0000000000400000-0x000000000041E000-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	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.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
4228	cmd.exe
4928	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4928	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4388	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 2504	4388	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe	82
PID 4388 wrote to memory of 2504	4388	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe	82
PID 4388 wrote to memory of 2504	4388	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe	82
PID 4388 wrote to memory of 4228	4388	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe	91
PID 4388 wrote to memory of 4228	4388	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe	91
PID 4388 wrote to memory of 4228	4388	b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe	91
PID 4228 wrote to memory of 4928	4228	cmd.exe	93
PID 4228 wrote to memory of 4928	4228	cmd.exe	93
PID 4228 wrote to memory of 4928	4228	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe
"C:\Users\Admin\AppData\Local\Temp\b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.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:4388
- 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:2504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b541c65ebbcd30e3ea4c3d5c2bb4832e9de3c1ab62fa46f15a76dc57d21b86ad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4228
- - 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:4928

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
5906e11144f302d66c0ae2d681a7ce3e

SHA1
16d2fb6b6fe6398aee37e2f7aa3097d11fe1d6fd

SHA256
e4d31134a8e225c424b0c76a9d9e0e826dcf911d25fec1786d9c575d0fdc35bc

SHA512
93c8894063e4db64a5c4a1e3bcdf3009256ca4518e1bdf728377fe8983cede2d61314673b3e15a5fe0c143af67d54031649313f5e925d5fd752abe571aa99009

Download Submit
memory/2504-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2504-19-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4388-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4388-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4388-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads