sakula | 27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 01:22

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General

Target
27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe
Size 89KB
Sample221107-brgw5adfap
SHA256 27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271
MD5 07af666d2117296a7814c86839ee2ae0
SHA1 45355b93874d7a3dda423bb5b48ca74a9abc9561
SHA512 6da02d79e9d35e0a22345a5752f483fe8a93fcad746b686fd544d17e1feeb6dcdd3a432ee932bac4ac9cc45819ef264bcdba2f988a89449adda7ea7244004a17
SSDEEP 1536:PQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrz:w29DkEGRQixVSjLaes5G30Bv
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/0x0003000000022de5-134.dat	family_sakula
behavioral2/files/0x0003000000022de5-133.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
2536	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.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"	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.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
4512	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5068	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 2536	5068	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe	82
PID 5068 wrote to memory of 2536	5068	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe	82
PID 5068 wrote to memory of 2536	5068	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe	82
PID 5068 wrote to memory of 1384	5068	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe	85
PID 5068 wrote to memory of 1384	5068	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe	85
PID 5068 wrote to memory of 1384	5068	27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe	85
PID 1384 wrote to memory of 4512	1384	cmd.exe	87
PID 1384 wrote to memory of 4512	1384	cmd.exe	87
PID 1384 wrote to memory of 4512	1384	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe
"C:\Users\Admin\AppData\Local\Temp\27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:2536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\27710f7919163a48325bf9859c53b6e2d9b08a85438053cfdbf336cfd2e50271.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4512

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

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Downloads

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 89KB
SHA256 f47a54e960bcb4321ae4c6e8fd5e813b267419d74723ebd171ec1ea6cd14b491
MD5 b17c98985bcdacd5a6944b1e49f71963
SHA1 535162852edef57d520c551d6f90a82a46e48769
SHA512 273db888847acc44b131d5fcb5802730f928d5c851e3402d10c480e87e38b47b87081e36c49b8a80835e4d6b37cf036caa40bbb5b1e2ea7595ae6e2a71c159b3
SSDEEP 1536:PQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrS:w29DkEGRQixVSjLaes5G30BG
MD5 SHA1 SHA512 SSDEEP

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