sakula | b23919cbd230fb0c8e79ccfa9fea3710187b773b546be657770fb5f99874b915

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 18:11

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General

Target
73526589581b2455a7fbee2deea4d159.exe
Size 517KB
Sample231219-wsla6abcan
SHA256 b23919cbd230fb0c8e79ccfa9fea3710187b773b546be657770fb5f99874b915
MD5 73526589581b2455a7fbee2deea4d159
SHA1 ac3cd9b2f6c1d3e2061455ae0bbbd9168463a26f
SHA512 dcfe757cb3143a563e5b0e8d4bec35c65944e868749c0e5129aa54cae5368094bf633e6627a01091056850cb1065f7bfeabc6c8879a4eb022502b6376fd66df0
SSDEEP 12288:0RfQn+w8EYiBlMkn5f9J105ko8T6csVej:g4+wlYBsb3zNsm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula persistence rat trojan

Malware Config

Extracted

Family

sakula

www.polarroute.com

Signatures

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

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/2896-0-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/files/0x0007000000023214-3.dat	family_sakula
behavioral2/memory/5004-4-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/2896-6-0x0000000000400000-0x0000000000420000-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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	73526589581b2455a7fbee2deea4d159.exe

Executes dropped EXE 1 IoCs

pid	Process
5004	MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	73526589581b2455a7fbee2deea4d159.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4820	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2896	73526589581b2455a7fbee2deea4d159.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 5004	2896	73526589581b2455a7fbee2deea4d159.exe	88
PID 2896 wrote to memory of 5004	2896	73526589581b2455a7fbee2deea4d159.exe	88
PID 2896 wrote to memory of 5004	2896	73526589581b2455a7fbee2deea4d159.exe	88
PID 2896 wrote to memory of 4848	2896	73526589581b2455a7fbee2deea4d159.exe	95
PID 2896 wrote to memory of 4848	2896	73526589581b2455a7fbee2deea4d159.exe	95
PID 2896 wrote to memory of 4848	2896	73526589581b2455a7fbee2deea4d159.exe	95
PID 4848 wrote to memory of 4820	4848	cmd.exe	97
PID 4848 wrote to memory of 4820	4848	cmd.exe	97
PID 4848 wrote to memory of 4820	4848	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\73526589581b2455a7fbee2deea4d159.exe
"C:\Users\Admin\AppData\Local\Temp\73526589581b2455a7fbee2deea4d159.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:5004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\73526589581b2455a7fbee2deea4d159.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

vzkfqalw412275303[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BP0ZYM9B\vzkfqalw412275303[1].htm
Size 1KB
SHA256 e27b64c9737988f9d6a1bff653e7de7b46c8150133d6b4e9061b70d70dbde8b4
MD5 8d4c07efda188f4ca3290b68b7b5c2b4
SHA1 ba392480e4f36eaf02ce8df0e7b3ca86aebbd3ea
SHA512 fbbd1b4596151b13a9de1ed87c37783f2e7519c1e0b7f90fe00cba33a848b538fcb8474d0975fb18568085e81e84053d4ec2f18021fcc76cda68e0b808ed2ef2
MD5 SHA1 SHA512

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MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 517KB
SHA256 d5db4b21cff65c00c12314ffe050260f24917d75ffaa402c68df8db29c4412ed
MD5 2c838c1bab4e1cc746f19db70e207693
SHA1 f108e46be39660152a9c0f436786f26ed8a90a7e
SHA512 6d915c7305532f99735ea65a8db2b05d766a3423285b8831152fe2b3a52e697cec4a04821589592baa69596c6a59cb82dc95e9dc34f09e6e57b915982adb99b9
SSDEEP 12288:0RfQn+w8EYiBlMkn5f9J105ko8T6csVed:g4+wlYBsb3zNs4
MD5 SHA1 SHA512 SSDEEP

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memory/2896-0-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/2896-6-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/5004-4-0x0000000000400000-0x0000000000420000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads