sakula | cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b

General

Target

cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe
Size

102KB
MD5

b0ca4c5df29d648be0ec9d95ad576cdf
SHA1

13fcf504eed2eb69f36892adcb5c865a2519bc18
SHA256

cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b
SHA512

9b5e2a4f7b59032ef298323848d4da81d5c0bbb64d12c330f2239aea6aa6df4ee439a0bf5cd70c00c0cadf47af27d511d456b4145bd6edad037d2a4a05a51825
SSDEEP

1536:jJbCiJVkgMaT2itTkjoRXnM48dXFajVPkPLnlxsz30rtrQ393:tbfVk29te2juPLlxo30Bs393

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 family
sakula

Sakula payload 5 IoCs

resource	yara_rule
behavioral2/memory/4792-0-0x0000000000400000-0x000000000041C000-memory.dmp	family_sakula
behavioral2/files/0x0009000000023c94-3.dat	family_sakula
behavioral2/memory/4792-5-0x0000000000400000-0x000000000041C000-memory.dmp	family_sakula
behavioral2/memory/2324-6-0x0000000000400000-0x000000000041C000-memory.dmp	family_sakula
behavioral2/memory/4792-7-0x0000000000400000-0x000000000041C000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe

Executes dropped EXE 1 IoCs

pid	Process
2324	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"	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.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	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.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
2212	cmd.exe
1308	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1308	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4792	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 2324	4792	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe	82
PID 4792 wrote to memory of 2324	4792	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe	82
PID 4792 wrote to memory of 2324	4792	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe	82
PID 4792 wrote to memory of 2212	4792	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe	91
PID 4792 wrote to memory of 2212	4792	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe	91
PID 4792 wrote to memory of 2212	4792	cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe	91
PID 2212 wrote to memory of 1308	2212	cmd.exe	93
PID 2212 wrote to memory of 1308	2212	cmd.exe	93
PID 2212 wrote to memory of 1308	2212	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe
"C:\Users\Admin\AppData\Local\Temp\cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.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:4792
- 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:2324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\cf35cfc4d6ec50fbaaf7d69f08688bc132a32aff6da71a72ccf254a2b8edaf9b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2212
- - 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:1308

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\AdobeUpdate.exe

Filesize
102KB

MD5
cfc0166fb631f07c2c1bf5c4faf2b69d

SHA1
4f4ac45ee24b8a80bacfbe1c6c3ffb70a479be0e

SHA256
8689e3e1fbec6f0e313eeced17884c3a9d61bb04fbcfe88782dfe6fee64b8102

SHA512
991cf4b2d1a7ec207415e38e0512af7d5f09486bed2eccca488d87e17bac2eae22a585d45f196bc267a9b1822925fdf16e0465e02b013ec53c23eabc68974258

Download Submit
memory/2324-6-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4792-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4792-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4792-7-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads