sakula | 4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769

Analysis

max time kernel
134s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2022, 16:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe
Size 88KB
Sample221012-tg3d7aaefr
SHA256 4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769
MD5 95798d3fa38084bc973dc4ea09c06455
SHA1 e820f73f713eb38d853b5b2da3a9c153c36750a5
SHA512 78c378db1aaeb8b80ac54462f9e3b1f660e70c7cd587f04ff7c1ab5378f413bf1268674524931dcad55ebd32405621cc8f0a69a3480bbbdaf54d977c20634258
SSDEEP 1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroyPTEz7:y0hpgz6xGhTjwHN30BEybE3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

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

Sakula payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0008000000022f6d-133.dat	family_sakula
behavioral2/files/0x0008000000022f6d-134.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
4764	MediaCenter.exe

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3416	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2276	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 4764	2276	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe	80
PID 2276 wrote to memory of 4764	2276	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe	80
PID 2276 wrote to memory of 4764	2276	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe	80
PID 2276 wrote to memory of 4232	2276	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe	86
PID 2276 wrote to memory of 4232	2276	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe	86
PID 2276 wrote to memory of 4232	2276	4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe	86
PID 4232 wrote to memory of 3416	4232	cmd.exe	88
PID 4232 wrote to memory of 3416	4232	cmd.exe	88
PID 4232 wrote to memory of 3416	4232	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe
"C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:4764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4232
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 88KB
SHA256 f651ecfe15903aed38c4c1e01bc50468b73c3efcbe4363b050580ab32fadaaad
MD5 67ee8d4b248f2ff067b3d644a7c3c47a
SHA1 25e30add01c22257269da18bd3129786bf23119e
SHA512 28d7735bb925584fc8f42d9532e94a95f7f07ca2cbde836c4194d0fc7a256c0df6007ec89ea046ad14410c167baea9fb63ecf87dc453ca5a13f89cefbafb1b04
SSDEEP 1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroyPTEz6:y0hpgz6xGhTjwHN30BEybEO
MD5 SHA1 SHA512 SSDEEP

Submit Download