sakula | c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822

General

Target
c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe
Size 92KB
Sample241124-vbbjysynhw
SHA256 c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822
MD5 0969cf479a6327110d734a8a66ba0700
SHA1 43ff0722e5119ac723afabf73f6d7eec5f875025
SHA512 f0ca4f454298989527aa8c6c0fda8589aef332eb687ada84b6dec5509b41e49be67347d6160254217973c82572dd95a7c5bda9f8d3db42f357a30ffa98057d21
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrm:9bfVk29te2jqxCEtg30Bi
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 family
sakula

Sakula payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b93-2.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe

Executes dropped EXE 1 IoCs

pid	Process
3556	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"	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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
2900	cmd.exe
3696	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3696	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3456	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 3556	3456	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe	82
PID 3456 wrote to memory of 3556	3456	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe	82
PID 3456 wrote to memory of 3556	3456	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe	82
PID 3456 wrote to memory of 2900	3456	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe	91
PID 3456 wrote to memory of 2900	3456	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe	91
PID 3456 wrote to memory of 2900	3456	c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe	91
PID 2900 wrote to memory of 3696	2900	cmd.exe	93
PID 2900 wrote to memory of 3696	2900	cmd.exe	93
PID 2900 wrote to memory of 3696	2900	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe
"C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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:3456
- 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:3556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - 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:3696

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 58e115f3ec70afea2c5fd3cc721746d010fce5e7c6c827d71d08fc1d26e7a134
MD5 47bbd4b1c35a0c22579ca6bb69677d30
SHA1 3360835f4face6efcfa7ede89fabc8357f2602cd
SHA512 d56f84566e2b0c5057b3136accc780b4671d6687d2dc3d235002e1837d95d87dc12985e460a2234e792825598c83417ac7e339778cb797af1914f44635bb1b3c
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrb:9bfVk29te2jqxCEtg30BP
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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