sakula | 2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c

Analysis

max time kernel
123s
max time network
156s
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 15:58

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General

Target

2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe
Size

88KB
MD5

948460a9dc9709045e0e325af9753d44
SHA1

b7fc8420a98ca85b91a0f08ba99bbe835fd8b940
SHA256

2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c
SHA512

b6d9a6c8617b574f2ae7dea590b08c6653b5bf38998c0614da86aef81da08cb7e5bc5318be8424cf91c6063db24fed2145af5af399af0bab395f198f5f5e4be5
SSDEEP

1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtro1PTEzj:y0hpgz6xGhTjwHN30BE1bE3

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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3636 MediaCenter.exe

pid	process
3636	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

Processes:

2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.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

Processes:

PING.EXE

pid process

4352 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe

description pid process

Token: SeIncBasePriorityPrivilege 1456 2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe

pid	process
4352	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	1456	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.execmd.exe

description	pid	process	target process
PID 1456 wrote to memory of 3636	1456	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe	MediaCenter.exe
PID 1456 wrote to memory of 3636	1456	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe	MediaCenter.exe
PID 1456 wrote to memory of 3636	1456	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe	MediaCenter.exe
PID 1456 wrote to memory of 2608	1456	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe	cmd.exe
PID 1456 wrote to memory of 2608	1456	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe	cmd.exe
PID 1456 wrote to memory of 2608	1456	2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe	cmd.exe
PID 2608 wrote to memory of 4352	2608	cmd.exe	PING.EXE
PID 2608 wrote to memory of 4352	2608	cmd.exe	PING.EXE
PID 2608 wrote to memory of 4352	2608	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe
"C:\Users\Admin\AppData\Local\Temp\2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3636

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\2c43bc2636af763584c23e31fd1a374b162933b11ed22d6773593896094c1d9c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2608

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4352

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Filesize
88KB

MD5
a32dda792acb1948bc64f6c3a9523baf

SHA1
fca3afb06d88ce07cfc1eda35602e10df4c74328

SHA256
591dc07659745b1c11662ad0fbb7b55b88753813886f03afa196948ffcdbdb7b

SHA512
6c7804cdb65b5110fbb1769dccfb5c63f5c7246978205a5278da55769dfc51a2d37b45d15b62e0ba87f1810564881decb4134ee61a980923dcc92609f2ca7d3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Filesize
88KB

MD5
a32dda792acb1948bc64f6c3a9523baf

SHA1
fca3afb06d88ce07cfc1eda35602e10df4c74328

SHA256
591dc07659745b1c11662ad0fbb7b55b88753813886f03afa196948ffcdbdb7b

SHA512
6c7804cdb65b5110fbb1769dccfb5c63f5c7246978205a5278da55769dfc51a2d37b45d15b62e0ba87f1810564881decb4134ee61a980923dcc92609f2ca7d3e

Download Submit
memory/2608-135-0x0000000000000000-mapping.dmp

Download
memory/3636-132-0x0000000000000000-mapping.dmp

Download
memory/4352-136-0x0000000000000000-mapping.dmp

Download