sakula | 155ca44673096819550f9f93b4f8cba9e1158e0ebf826823a9d4ddaf1df22828

General

Target
5ce058ed85de36f8f239da22f28ce700N.exe
Size 39KB
Sample240802-fyn18ssfpf
SHA256 155ca44673096819550f9f93b4f8cba9e1158e0ebf826823a9d4ddaf1df22828
MD5 5ce058ed85de36f8f239da22f28ce700
SHA1 003f271a5096d83716c21066735f71341fdece72
SHA512 fe7cd598625737678cfc8bb3909dad9aa469243386ff6e6669860002deb85263e9aadf040d4bc94aca93dab503a858382e28cbde2bafcd38e2cde056bcf963d5
SSDEEP 768:EXgqefjKf3Z6qSRnzpdwT1RIj1egKRFXSp/Dfm982r7DJ:QgqeGB6qAnzpdw5Y0wLm9h1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

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

Sakula payload 3 IoCs

resource	yara_rule
behavioral2/memory/3972-6-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral2/memory/4264-7-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral2/memory/3972-13-0x0000000000400000-0x000000000041B000-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-1-5-21-113082768-653872390-2867000172-1000\Control Panel\International\Geo\Nation	5ce058ed85de36f8f239da22f28ce700N.exe

Executes dropped EXE 1 IoCs

pid	Process
4264	AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	5ce058ed85de36f8f239da22f28ce700N.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	5ce058ed85de36f8f239da22f28ce700N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeUpdate.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
2648	PING.EXE
4840	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2648	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3972	5ce058ed85de36f8f239da22f28ce700N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 4264	3972	5ce058ed85de36f8f239da22f28ce700N.exe	84
PID 3972 wrote to memory of 4264	3972	5ce058ed85de36f8f239da22f28ce700N.exe	84
PID 3972 wrote to memory of 4264	3972	5ce058ed85de36f8f239da22f28ce700N.exe	84
PID 3972 wrote to memory of 4840	3972	5ce058ed85de36f8f239da22f28ce700N.exe	89
PID 3972 wrote to memory of 4840	3972	5ce058ed85de36f8f239da22f28ce700N.exe	89
PID 3972 wrote to memory of 4840	3972	5ce058ed85de36f8f239da22f28ce700N.exe	89
PID 4840 wrote to memory of 2648	4840	cmd.exe	91
PID 4840 wrote to memory of 2648	4840	cmd.exe	91
PID 4840 wrote to memory of 2648	4840	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\5ce058ed85de36f8f239da22f28ce700N.exe
"C:\Users\Admin\AppData\Local\Temp\5ce058ed85de36f8f239da22f28ce700N.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:3972
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\5ce058ed85de36f8f239da22f28ce700N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4840
- - 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:2648

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

AdobeUpdate.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Size 39KB
SHA256 78d040cafc9db46389557cdd58f392c6d73d729c2670b34a30d896af2d1abb4c
MD5 ff292cacbd7f9a480b9c1791813fa780
SHA1 ff4de8f62d64723bb2621df24490b9ce14c1d5cb
SHA512 afd5078f7a4c0ec5933cfdefb7fbc8339e03c174cf42445a47968d9a3eade1a0e0942b62852710bcd58ebbf89329462b1a90fdf5d35d1230c0823919fc45c01c
SSDEEP 768:EXgqefjKf3Z6qSRnzpdwT1RIj1egKRFXSp/Dfm982r7DF:QgqeGB6qAnzpdw5Y0wLm9hx
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3972-0-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3972-6-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3972-13-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/4264-5-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/4264-7-0x0000000000400000-0x000000000041B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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