sakula | 31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3

General

Target

31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe
Size

92KB
MD5

1867552ac2023be58f7ec27f67e006b0
SHA1

9bc7f29351c9452ca05a932b2ac48029bfb4c069
SHA256

31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3
SHA512

ab5c800c09dd8b44ab9c02ee08bc11bf1d173c04561876bc2819a5b43b859df2c7cb69d568c5a3675c00e165918ac1baead5522489ad4a1a39138ab783ab2eea
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrD:9bfVk29te2jqxCEtg30Bn

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/0x000c000000023b8e-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe

Executes dropped EXE 1 IoCs

pid	Process
4072	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"	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.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	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.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
4908	cmd.exe
4416	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4416	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4388	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 4072	4388	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe	82
PID 4388 wrote to memory of 4072	4388	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe	82
PID 4388 wrote to memory of 4072	4388	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe	82
PID 4388 wrote to memory of 4908	4388	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe	91
PID 4388 wrote to memory of 4908	4388	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe	91
PID 4388 wrote to memory of 4908	4388	31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe	91
PID 4908 wrote to memory of 4416	4908	cmd.exe	93
PID 4908 wrote to memory of 4416	4908	cmd.exe	93
PID 4908 wrote to memory of 4416	4908	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe
"C:\Users\Admin\AppData\Local\Temp\31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.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\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\31b49e97bcc458bb89f86a0887fb68677c82805492072a07d73b52a667cb23b3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4908
- - 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:4416

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
92KB

MD5
54cd31823b7a29dff919012151ebae8d

SHA1
7829cc5f88b4c13b68cc67d480d34596cf775791

SHA256
2fb5f5150a4d07bcf684747f055cd2f9eb79e4eb7d116776e12d8f99c2ea7ef7

SHA512
e54003a652cfbc5dfc81815693d480b9b610e5f34b9fb143cfdd8dedce40ea3bd5bcc85eb8c3e7899833fa7a963502a8a4f0e21f39a93772f319ab76afe88ac1

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads