sakula | e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54

Analysis

max time kernel
129s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2022, 01:28

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General

Target
e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe
Size 88KB
Sample221013-bvmlsaaee5
SHA256 e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54
MD5 10fa04bbf25570d83c37d5b7008fe85d
SHA1 7f6c136b0cc97cfdd0ba5e27ec03a0ea4c87193f
SHA512 8fbab615e94f86612ce7e696e6f5a0457c9a0c18ccaa286b4769315350861e14e125041b828d22a3abcfbe727020d414577e70a522bfb29b9221683ebd562612
SSDEEP 1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroyPTEzg:y0hpgz6xGhTjwHN30BEybEk
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/0x0009000000022dec-133.dat	family_sakula
behavioral2/files/0x0009000000022dec-134.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
4540	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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.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"	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.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
4692	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4676	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 4540	4676	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe	82
PID 4676 wrote to memory of 4540	4676	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe	82
PID 4676 wrote to memory of 4540	4676	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe	82
PID 4676 wrote to memory of 4884	4676	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe	84
PID 4676 wrote to memory of 4884	4676	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe	84
PID 4676 wrote to memory of 4884	4676	e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe	84
PID 4884 wrote to memory of 4692	4884	cmd.exe	86
PID 4884 wrote to memory of 4692	4884	cmd.exe	86
PID 4884 wrote to memory of 4692	4884	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe
"C:\Users\Admin\AppData\Local\Temp\e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:4540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4692

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 88KB
SHA256 d6195ce720c788f614a7775a19a4a81aee2043925489e2fba3a293cccb19d6b8
MD5 75cf4b8c02161fa358ffe3e6cf748b80
SHA1 d58f77e27238fd20063df2665f4269185e96e5d9
SHA512 fd9061de9acdc30208ffa27e64ad2047a485898e73faff5136a156cf725df7f418b630b28d90b5a7be57e847065e47986df52bb2b8c70740d30add2cf2be4d35
SSDEEP 1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroyPTEzJ:y0hpgz6xGhTjwHN30BEybEN
MD5 SHA1 SHA512 SSDEEP

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