sakula | bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902

General

Target
bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe
Size 92KB
Sample241007-mbq1mszdqr
SHA256 bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902
MD5 fd613071a3937ba87851186edc455dd0
SHA1 41ad6604ceb6c3898d1a1e43e66882c9bf7b35dc
SHA512 bf5f02e373011115df83e36870cd29f4efe5272869c193bbb11ae61fc0fa39f93475e3fa787c10ca01d6908bdd4e14147013cf91fa25d9d853e8ca4fbedec564
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtr0:9bfVk29te2jqxCEtg30BA
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 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000234a8-2.dat	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe

Executes dropped EXE 1 IoCs

pid	Process
3048	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"	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.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	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.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
1816	PING.EXE
628	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1816	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3636	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 3048	3636	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe	82
PID 3636 wrote to memory of 3048	3636	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe	82
PID 3636 wrote to memory of 3048	3636	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe	82
PID 3636 wrote to memory of 628	3636	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe	91
PID 3636 wrote to memory of 628	3636	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe	91
PID 3636 wrote to memory of 628	3636	bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe	91
PID 628 wrote to memory of 1816	628	cmd.exe	93
PID 628 wrote to memory of 1816	628	cmd.exe	93
PID 628 wrote to memory of 1816	628	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe
"C:\Users\Admin\AppData\Local\Temp\bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.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:3636
- 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:3048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\bd39c9475872c8722786c0428d97792319b53cc0091adc3274a4c3e4cfe4e902N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:628
- - 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:1816

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 92KB
SHA256 9cb056c8618f2127807f780f0680ade5cf4e7e80f3650be799de82f3e41c6fae
MD5 c7d58c48bec28ee65a64d4fb0ee34346
SHA1 15c203d5cb0fd69e245d3d05df68841b9d60205a
SHA512 301f01f41423f19b7d826c33c4efd1b64789e44a1ce9341dfd220f8f237b07ebdae9ffd4f6a548bf00ec2b9a75a8caa6931633594ba5c3aef9f2cfe7221d3fca
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrw:9bfVk29te2jqxCEtg30Bc
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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